The Fluorescence Detector of the Pierre Auger Observatory (2009)
Abreu, P., Aglietta, M., Aguirre, C., Ahn, E. J., Allard, D., ...
The Pierre Auger Observatory is a hybrid detector for ultra-high energy cosmic rays. It combines a surface array to measure secondary particles at ground level together with a fluorescence detector...
Abreu, P., Aglietta, M., Aguirre, C., Ahn, E. J., Allard, D., ...
Studies of the correlations of ultra-high energy cosmic ray directions with extra-Galactic objects, of general anisotropy, of photons and neutrinos, and of other astrophysical effects, with the...
Operations of and Future Plans for the Pierre Auger Observatory (2009)
Abreu, P., Aglietta, M., Aguirre, C., Ahn, E. J., Allard, D., ...
Technical reports on operations and features of the Pierre Auger Observatory, including ongoing and planned enhancements and the status of the future northern hemisphere portion of the Observatory....
Calibration and Monitoring of the Pierre Auger Observatory (2009)
Abreu, P., Aglietta, M., Aguirre, C., Ahn, E. J., Allard, D., ...
Reports on the atmospheric monitoring, calibration, and other operating systems of the Pierre Auger Observatory. Contributions to the 31st International Cosmic Ray Conference, Lodz, Poland, July 2009.
The Cosmic Ray Energy Spectrum and Related Measurements with the Pierre Auger Observatory (2009)
Abreu, P., Aglietta, M., Aguirre, C., Ahn, E. J., Allard, D., ...
Studies of the cosmic ray energy spectrum at the highest energies with the Pierre Auger Observatory.
Studies of Cosmic Ray Composition and Air Shower Structure with the Pierre Auger Observatory (2009)
Abreu, P., Aglietta, M., Aguirre, C., Ahn, E. J., Allard, D., ...
Studies of the composition of the highest energy cosmic rays with the Pierre Auger Observatory, including examination of hadronic physics effects on the structure of extensive air showers....
Ultra High Energy neutrinos with the Pierre Auger Observatory (2006)
The Pierre Auger Observatory was designed to observe cosmic rays of ultra-high energy. It has also the capability to observe rare neutrino-induced showers. An evaluation of the sensitivity of the...
Ultra High Energy neutrinos with the Pierre Auger Observatory (2006)
The Pierre Auger Observatory was designed to observe cosmic rays of ultra-high energy. It has also the capability to observe rare neutrino-induced showers. An evaluation of the sensitivity of the...
Ultra High Energy neutrinos with the Pierre Auger Observatory (2006)
The Pierre Auger Observatory was designed to observe cosmic rays of ultra-high energy. It has also the capability to observe rare neutrino-induced showers. An evaluation of the sensitivity of the...
Measurement of the Quark and Gluon Fragmentation Functions in Z$^0$ Hadronic Decays (1999)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in $e^+e^-$ collisions at LEP. As in deep inelastic...
Measurement of the Quark and Gluon Fragmentation Functions in Z$^0$ Hadronic Decays (1999)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in $e^+e^-$ collisions at LEP. As in deep inelastic...
Measurement of the Quark and Gluon Fragmentation Functions in Z$^0$ Hadronic Decays (1999)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in $e^+e^-$ collisions at LEP. As in deep inelastic...
Investigation of the splitting of quark and gluon jets (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
The splitting processes in identified quark and gluon jets are investigated using longitudinal and transverse observables. The jets are selected from symmetric three-jet events measured in Z decays L...
Measurement of the inclusive charmless and double-charm B branching ratios (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
The DELPHI experiment at LEP has measured the inclusive charmless $B$ hadron decay branching ratio, the $B$ branching ratio into two charmed particles, and the total number of charmed particles per...
Measurement of Trilinear Gauge Couplings in $e^+ e^-$ Collisions at 161 GeV and 172 GeV (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
Trilinear gauge boson couplings are measured using data taken by DELPHI at 161~GeV and 172~GeV. Values for $WWV$ couplings ($V=Z, \gamma$) are determined from a study of the reactions \eeWW\ and...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
From a data sample of $9.98 {\mathrm{~pb^{-1}}}$ integrated luminosity collected by DELPHI at a centre-of-mass energy of 172 GeV, 118 events were selected as W-pair candidates. From these, the...
Search for charginos, neutralinos and gravitinos at LEP (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...
Measurement of the inclusive charmless and double-charm B branching ratios (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The DELPHI experiment at LEP has measured the inclusive charmless $B$ hadron decay branching ratio, the $B$ branching ratio into two charmed particles, and the total number of charmed particles per...
Search for charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$ = 172 GeV (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
This paper presents results on charged Higgs boson production, based on LEP data collected at $\sqrt{s} = 172$ GeV, that complement the previous DELPHI results obtained at centre of mass energies up...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
From a data sample of $9.98 {\mathrm{~pb^{-1}}}$ integrated luminosity collected by DELPHI at a centre-of-mass energy of 172 GeV, 118 events were selected as W-pair candidates. From these, the...
Investigation of the splitting of quark and gluon jets (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
A search for neutral and charged Higgs bosons has been performed in the data collected by the {\sc DELPHI} detector at centre-of-mass energies of 161~GeV and 172~GeV. The analysis assumes either the...
Measurement of Trilinear Gauge Couplings in $e^+ e^-$ Collisions at 161 GeV and 172 GeV (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Trilinear gauge boson couplings are measured using data taken by DELPHI at 161~GeV and 172~GeV. Values for $WWV$ couplings ($V=Z, \gamma$) are determined from a study of the reactions \eeWW\ and...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
A search for neutral and charged Higgs bosons has been performed in the data collected by the {\sc DELPHI} detector at centre-of-mass energies of 161~GeV and 172~GeV. The analysis assumes either the...
Investigation of the splitting of quark and gluon jets (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
Measurement of Trilinear Gauge Couplings in $e^+ e^-$ Collisions at 161 GeV and 172 GeV (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Trilinear gauge boson couplings are measured using data taken by DELPHI at 161~GeV and 172~GeV. Values for $WWV$ couplings ($V=Z, \gamma$) are determined from a study of the reactions \eeWW\ and...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
From a data sample of $9.98 {\mathrm{~pb^{-1}}}$ integrated luminosity collected by DELPHI at a centre-of-mass energy of 172 GeV, 118 events were selected as W-pair candidates. From these, the...
Search for charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$ = 172 GeV (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
This paper presents results on charged Higgs boson production, based on LEP data collected at $\sqrt{s} = 172$ GeV, that complement the previous DELPHI results obtained at centre of mass energies up...
Measurement of the inclusive charmless and double-charm B branching ratios (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The DELPHI experiment at LEP has measured the inclusive charmless $B$ hadron decay branching ratio, the $B$ branching ratio into two charmed particles, and the total number of charmed particles per...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...
Search for charginos, neutralinos and gravitinos at LEP (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
A search for neutral and charged Higgs bosons has been performed in the data collected by the {\sc DELPHI} detector at centre-of-mass energies of 161~GeV and 172~GeV. The analysis assumes either the...
Investigation of the splitting of quark and gluon jets (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
Measurement of Trilinear Gauge Couplings in $e^+ e^-$ Collisions at 161 GeV and 172 GeV (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Trilinear gauge boson couplings are measured using data taken by DELPHI at 161~GeV and 172~GeV. Values for $WWV$ couplings ($V=Z, \gamma$) are determined from a study of the reactions \eeWW\ and...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
From a data sample of $9.98 {\mathrm{~pb^{-1}}}$ integrated luminosity collected by DELPHI at a centre-of-mass energy of 172 GeV, 118 events were selected as W-pair candidates. From these, the...
Search for charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$ = 172 GeV (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
This paper presents results on charged Higgs boson production, based on LEP data collected at $\sqrt{s} = 172$ GeV, that complement the previous DELPHI results obtained at centre of mass energies up...
Measurement of the inclusive charmless and double-charm B branching ratios (1998)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The DELPHI experiment at LEP has measured the inclusive charmless $B$ hadron decay branching ratio, the $B$ branching ratio into two charmed particles, and the total number of charmed particles per...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...
Search for charginos, neutralinos and gravitinos at LEP (1998)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...
Search for charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$ = 172 GeV (1997)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
This paper presents results on charged Higgs boson production, based on LEP data collected at $\sqrt{s} = 172$ GeV, that complement the previous DELPHI results obtained at centre of mass energies up...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
The value of the $b$ quark mass at the $M_Z$ scale defined in the $\overline{MS}$ renormalization scheme, $m_b(M_Z)$, is determined using 2.8 million hadronic Z decays collected during 1992-1994 by...
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...
Search for $B^{0}_s -\overline{B^{0}_s}$ oscillations (1997)
Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, Allport, P P, ...
was obtained by combining the results obtained in three channels.
Measurement of the triple gluon vertex from double quark tagged 4-jet events (1997)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...
Measurement of the Quark and Gluon Fragmentation Functions in $Z^0$ Hadronic Decays (1997)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
The fragmentation functions and multiplicities in $b\overline{b}$ and light quark events are compared. The measured transverse and longitudinal components of the fragmentation function allow the...
Search for charginos, neutralinos and gravitinos at LEP (1997)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. Except for...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
A search for neutral and charged Higgs bosons has been performed in the data collected by the {\sc DELPHI} detector at centre-of-mass energies of 161~GeV and 172~GeV. The analysis assumes either the...
Observation of charge ordering in particle production in hadronic $Z^0$ decay (1997)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...
Abreu, P, Adam, W, Adye, T, Alekseev, G D, Alemany, R, Allport, P P, ...
The spin density matrix elements for the $\rho^0$, K$^{*0}(892)$ and $\phi$ produced in hadronic Z$^0$ decays are measured in the DELPHI detector. There is no evidence for spin alignment of the...
Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
\Delta m_d = 0.496 \pm 0.034 ~ \mbox{ps}^{-1}.
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
This result LZalews
Measurement of the transverse spin correlation in $Z \to \tau^+\tau^-$ decays (1997)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
The measurement of the correlation between the transverse spin components of $\tau^+\tau^-$ pairs collected during 1992 to 1994 with the DELPHI detector at LEP1 is presented. A value \begin{center}...
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
Correlations between pions from different Ws in $e^+e^-
Rapidity correlations in $\Lambda$ baryon and proton production in hadronic $Z^0$ decays (1997)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
In an analysis of multihadronic events recorded at LEP by DELPHI in the years 1992 through 1994, charged hadrons are identified using the measurement of their energy loss and their Cherenkov angle....
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
In 1996 LEP ran at a centre-of-mass energy of 161~GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of $9.93 {\mathrm{~pb^{-1}}}$,...
Identified particles in quark and gluon jets (1997)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
A search for stable or long-lived heavy charged particles in $e^+e^-$ interactions at energies of 130-136, 161 and 172 GeV has been performed using the data taken by the DELPHI experiment at LEP. The...
Search for the $B_c$ meson (1997)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
constant over the range of predicted $B_c\upm$ lifetimes.
Search for Neutral Heavy Leptons Produced in Z Decays (1997)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...
A Measurement of $\alpha_s$ from the Scaling Violation in $e^+ e^-$ Annihilation (1997)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from $\zz$ decays with the DELPHI detector and are compared...
Measurement of the W pair cross-section and of the W mass in e+ e- interactions at 172-GeV (1997)
DELPHI Collaboration, Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, ...
Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 gev (1997)
Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...
A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...
Search for new phenomena using single photon events at Lep1 (1997)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...
Search for Neutral Heavy Leptons Produced in Z Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...
Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Inclusive charged particle and event shape distributions are measured using 321 hadronic events collected with the DELPHI experiment at LEP at effective centre of mass energies of 130 to 136 GeV....
Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
${B}^0_d$ meson oscillations are measured in hadronic $\Zz$ decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a $b$ or a $\overline{b}$ quark when...
Search for Lepton Flavour Number violating Z$^0$-Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...
Measurement of the triple gluon vertex from double quark tagged 4-jet event (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...
Identified particles in quark and gluon jets (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...
Search for the $B_c$ meson (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In a sample of 3.02 million hadronic $Z^o$ decays collected by the DELPHI detector, 270 $J/\psi \into$ \lplm candidates have been selected. A search for fully reconstructed $B_c\upm$ mesons has...
A Measurement of $\alpha_s$ from the scaling violation in $e^+ e^-$ annihilation (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from $\zz$ decays with the DELPHI detector and are compared...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for stable or long-lived heavy charged particles in $e^+e^-$ interactions at energies of 130-136, 161 and 172 GeV has been performed using the data taken by the DELPHI experiment at LEP. The...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Correlations between pions from different Ws in $e^+e^- rightarrow$W$^+$W$^-$ events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
In 1996 LEP ran at a centre-of-mass energy of 161~GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of $9.93 {\mathrm{~pb^{-1}}}$,...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An inclusive measurement of the average multiplicity of $b \bar b$ pairs from gluons, \gb, in hadronic $Z^0$ events collected by the DELPHI experiment at LEP, is presented. A counting technique,...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...
Observation of charge ordering in particle production in hadronic Z$^0$ decay (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...
Search for $B_s^0-\overline{B_s^0}$ oscillations (1997)
Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., Allport, P P., ...
Oscillations of $\mbox{B}^0_{\mathrm s}$ mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic $\Zz$ decays registered by DELPHI between 1991 and...
Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Inclusive charged particle and event shape distributions are measured using 321 hadronic events collected with the DELPHI experiment at LEP at effective centre of mass energies of 130 to 136 GeV....
Search for the $B_c$ meson (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In a sample of 3.02 million hadronic $Z^o$ decays collected by the DELPHI detector, 270 $J/\psi \into$ \lplm candidates have been selected. A search for fully reconstructed $B_c\upm$ mesons has...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Correlations between pions from different Ws in $e^+e^- rightarrow$W$^+$W$^-$ events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in...
Observation of charge ordering in particle production in hadronic Z$^0$ decay (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
In 1996 LEP ran at a centre-of-mass energy of 161~GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of $9.93 {\mathrm{~pb^{-1}}}$,...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for stable or long-lived heavy charged particles in $e^+e^-$ interactions at energies of 130-136, 161 and 172 GeV has been performed using the data taken by the DELPHI experiment at LEP. The...
A Measurement of $\alpha_s$ from the scaling violation in $e^+ e^-$ annihilation (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from $\zz$ decays with the DELPHI detector and are compared...
Identified particles in quark and gluon jets (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...
Search for Neutral Heavy Leptons Produced in Z Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...
Measurement of the triple gluon vertex from double quark tagged 4-jet event (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...
Search for $B_s^0-\overline{B_s^0}$ oscillations (1997)
Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., Allport, P P., ...
Oscillations of $\mbox{B}^0_{\mathrm s}$ mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic $\Zz$ decays registered by DELPHI between 1991 and...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An inclusive measurement of the average multiplicity of $b \bar b$ pairs from gluons, \gb, in hadronic $Z^0$ events collected by the DELPHI experiment at LEP, is presented. A counting technique,...
Search for Lepton Flavour Number violating Z$^0$-Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...
Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
${B}^0_d$ meson oscillations are measured in hadronic $\Zz$ decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a $b$ or a $\overline{b}$ quark when...
Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 gev (1997)
Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...
A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...
Search for new phenomena using single photon events at Lep1 (1997)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...
Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Inclusive charged particle and event shape distributions are measured using 321 hadronic events collected with the DELPHI experiment at LEP at effective centre of mass energies of 130 to 136 GeV....
Search for the $B_c$ meson (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
In a sample of 3.02 million hadronic $Z^o$ decays collected by the DELPHI detector, 270 $J/\psi \into$ \lplm candidates have been selected. A search for fully reconstructed $B_c\upm$ mesons has...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Correlations between pions from different Ws in $e^+e^- rightarrow$W$^+$W$^-$ events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in...
Observation of charge ordering in particle production in hadronic Z$^0$ decay (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
In 1996 LEP ran at a centre-of-mass energy of 161~GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of $9.93 {\mathrm{~pb^{-1}}}$,...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for stable or long-lived heavy charged particles in $e^+e^-$ interactions at energies of 130-136, 161 and 172 GeV has been performed using the data taken by the DELPHI experiment at LEP. The...
A Measurement of $\alpha_s$ from the scaling violation in $e^+ e^-$ annihilation (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from $\zz$ decays with the DELPHI detector and are compared...
Identified particles in quark and gluon jets (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...
Search for Neutral Heavy Leptons Produced in Z Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...
Measurement of the triple gluon vertex from double quark tagged 4-jet event (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...
The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...
Search for $B_s^0-\overline{B_s^0}$ oscillations (1997)
Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., Allport, P P., ...
Oscillations of $\mbox{B}^0_{\mathrm s}$ mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic $\Zz$ decays registered by DELPHI between 1991 and...
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An inclusive measurement of the average multiplicity of $b \bar b$ pairs from gluons, \gb, in hadronic $Z^0$ events collected by the DELPHI experiment at LEP, is presented. A counting technique,...
Search for Lepton Flavour Number violating Z$^0$-Decays (1997)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...
Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)
Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...
${B}^0_d$ meson oscillations are measured in hadronic $\Zz$ decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a $b$ or a $\overline{b}$ quark when...
Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 gev (1997)
Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...
A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...
Search for new phenomena using single photon events at Lep1 (1997)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...
Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ =161 GeV (1996)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...
Search for Lepton Flavour Number violating $Z^0$-Decays (1996)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...
Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1996)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
%\noindent from the high energy data.
An Upper Limit for $Br(Z^0 \rightarrow ggg)$ from Symmetric 3-jet $Z^0$ Hadronic Decays (1996)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
An upper limit for $BR(Z^0\ rightarrow 3g)$ is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle...
Search for Pair Production of Heavy Objects in 4-Jet Events at $\sqrt{s}=130-136$ GeV (1996)
Adam, W, Adye, T, Agasi, E, Ajinenko, I, Alekseev, G D, Alemany, R, ...
Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, \hA ~or \HH,...
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
Event shape and charged particle inclusive distributions are measured using 750000 decays of the $Z$ to hadrons from the DELPHI detector at LEP. These precise data allow a decisive confrontation with...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Alekseev, G D, ...
Using data accumulated by DELPHI during the November 1995 LEP run at 130~GeV -- 136~GeV, searches have been made for events with jets or leptons in conjunction with missing momentum. The results are...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Search for the lightest chargino at \Sqrt s = 130 and 136 GeV in DELPHI (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
A search for pair production of the lightest chargino at $\rs=$ 130.4 and 136.3~GeV has been carried out using the data sample corresponding to the 5.92~${\rm pb}^{-1}$ recorded by the DELPHI...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
A search for high mass photon pairs from the processes ${\mathrm e}^+ {\mathrm e}^- \to \ell^+ \ell^- \gamma \gamma\ $, ${\mathrm e}^+ {\mathrm e}^- \to {\mathrm \nu} \overline {\mathrm \nu} \gamma...
Study of rare b decays with the DELPHI detector at LEP (1996)
Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, Alekseev, G D, ...
Rare decays of beauty particles were studied in several charmless modes using the data collected with the DELPHI detector at LEP from 1991 to 1994. These decays are mediated by both tree level $b...
Search for anomalous production of single photons at \Sqrt s = 130 and 136 GeV (1996)
Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, Alekseev, G D, ...
This letter reports the results of the measurement of single photon production in the reaction $e^+e^- \rightarrow \gamma +$ invisible particles at centre-of-mass energies $\sqrt{s}=$~130 and 136 GeV...
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
During the last 1995 data acquisition period at LEP, the DELPHI experiment collected an integrated luminosity of $5.9$ pb$^{-1}$ at centre-of-mass energies of 130 GeV and 136 GeV. Radiative leptonic...
Kaon Interference in the Hadronic Decays of the $Z^{0}$ (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
The first measurement of like-sign charged kaon correlations in hadronic decays of the Z$^0$ is presented, based on data collected by the DELPHI detector. The charged kaons are identified by means of...
First study of the interference between initial and final state radiation at the Z resonance (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
The interference between initial and final state radiation in the process \eemm\ at $\sqs \approx \MZ$ has been studied by measuring the forward-backward asymmetry as a function of the acoplanarity...
Mean lifetime of the B$_{s}^{0}$ meson (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
This paper presents an update of the measurement of the mean lifetime of the B^0_s meson. Combining D_s - \ell, D_s-h, \phi - \ell and inclusive D_s final states from the 3.2 million hadronic \Zz...
First measurement of f'$_{2}$(1525) production in Z$^{0}$ hadronic decays (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
\newcommand{\zz}{Z^{0}} Inclusive production of the f'_{2}(1525) in hadronic \zz\ decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were...
Determination of the average lifetime of b-baryons (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
The average lifetime of b-baryons has been studied using 3 \times 10^6 hadronic Z^0 decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different...
Search for exclusive decays of the $\Lambda_{b}$ baryon and measurement of its mass (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
A search for fully reconstructed \lb beauty baryons is performed using about 3 million Z decays collected with the DELPHI detector at LEP. The analysis relies on the combined use of the accurate...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
The partial decay width of the Z to b\overline{ b} quark pairs has been measured by the DELPHI detector at LEP. B-hadrons, containing b-quarks, were tagged by several methods using tracks with large...
Updated precision measurement of the average lifetime of B hadrons (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
The measurement of the average lifetime of B hadrons using inclusively reconstructed secondary vertices has been updated using both an improved processing of previous data and additional statistics...
Production of $\Sigma^{0}$ and $\Omega^{-}$ in Z decays (1996)
Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, Alekseev, G D, ...
Reconstructed \lam\ baryon decays and photon conversions in DELPHI are used to measure the \sig\ production rate from hadronic Z^0 decays at LEP. The number of \sig\ decays per hadronic Z decay is...
Determination of |V$_{cb}$| from the semileptonic decay B$^{0}$ --> D$*^{-}$l$^{+}\nu$ (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Semileptonic decays B \rightarrow D^{*-} \ell^+ \nu X were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for semileptonic B...
Measurement of the B$^{0}_{d}$ oscillation frequency using kaons, leptons and jet charge (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
A measurement of the mass difference, \Delta m_d, between the two physical \mbox{B}^0_d states has been obtained from the analysis of the impact parameter distribution of a lepton emitted at large...
Performance of the DELPHI detector (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
DELPHI (DEtector with Lepton, Photon and Hadron Identification) is a detector for e^+e^- physics, designed to provide high granularity over a 4\pi solid angle, allowing an effective particle...
Charged particle multiplicity in e+e- interactions at \Sqrt s = 130 GeV (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be = 23.84 \pm 0.51 (stat) \pm 0.52 (syst). When...
Search for new phenomena using single photon events in the DELPHI detector at LEP (1996)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The partial decay width of the Z to b\overline{ b} quark pairs has been measured by the DELPHI detector at LEP. B-hadrons, containing b-quarks, were tagged by several methods using tracks with large...
Search for promptly produced heavy quarkonium states in hadronic Z decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
A search has been made for direct production of heavy quarkonium states in more than 3 million hadronic Z^{0} decays in the 1991-1994 DELPHI data. Prompt J/\psi, \psi(2S) and \Upsilon candidates have...
Search for exclusive decays of the $\Lambda_{b}$ baryon and measurement of its mass (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for fully reconstructed \lb beauty baryons is performed using about 3 million Z decays collected with the DELPHI detector at LEP. The analysis relies on the combined use of the accurate...
Search for pair production of heavy objects in 4-jets events at $\sqrt{s}$ = 130-136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, \hA ~or \HH,...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., ...
Using data accumulated by DELPHI during the November 1995 LEP run at 130~GeV -- 136~GeV, searches have been made for events with jets or leptons in conjunction with missing momentum. The results are...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for high mass photon pairs from the processes ${\mathrm e}^+ {\mathrm e}^- \to \ell^+ \ell^- \gamma \gamma\ $, ${\mathrm e}^+ {\mathrm e}^- \to {\mathrm \nu} \overline {\mathrm \nu} \gamma...
Search for anomalous production of single photons at $\sqrt{s}$ = 130 and 136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
This letter reports the results of the measurement of single photon production in the reaction $e^+e^- \rightarrow \gamma +$ invisible particles at centre-of-mass energies $\sqrt{s}=$~130 and 136 GeV...
Production of $\Sigma^{0}$ and $\Omega^{-}$ in Z decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Reconstructed \lam\ baryon decays and photon conversions in DELPHI are used to measure the \sig\ production rate from hadronic Z^0 decays at LEP. The number of \sig\ decays per hadronic Z decay is...
Performance of the DELPHI detector (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
DELPHI (DEtector with Lepton, Photon and Hadron Identification) is a detector for e^+e^- physics, designed to provide high granularity over a 4\pi solid angle, allowing an effective particle...
Measurement of the B$^{0}_{d}$ oscillation frequency using kaons leptons and jet charge (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the mass difference, \Delta m_d, between the two physical \mbox{B}^0_d states has been obtained from the analysis of the impact parameter distribution of a lepton emitted at large...
Measurement of inclusive $\pi^{0}$ production in hadronic Z$^{0}$ decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
An analysis is presented of inclusive \pi^0 production in Z^0 decays measured with the DELPHI detector. At low energies, \pi^0 decays are reconstructed by \linebreak using pairs of converted photons...
Mean lifetime of the b$^{0}_{s}$ meson (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
This paper presents an update of the measurement of the mean lifetime of the B^0_s meson. Combining D_s - \ell, D_s-h, \phi - \ell and inclusive D_s final states from the 3.2 million hadronic \Zz...
Kaon interference in the hadronic decays of the Z$^{0}$ (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
The first measurement of like-sign charged kaon correlations in hadronic decays of the Z$^0$ is presented, based on data collected by the DELPHI detector. The charged kaons are identified by means of...
First study of the interference between initial and final state radiation at the Z resonance (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The interference between initial and final state radiation in the process \eemm\ at $\sqs \approx \MZ$ has been studied by measuring the forward-backward asymmetry as a function of the acoplanarity...
First measurement of f'$_{2}$(1525) production in Z$^{0}$ hadronic decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Inclusive production of the f'_{2}(1525) in hadronic Z^{0} decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were important tools in the...
Energy dependence of the differences between the quark and gluon jet fragmentation (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Three jet events arising from decays of the Z boson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Semileptonic decays B \rightarrow D^{*-} \ell^+ \nu X were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for semileptonic B...
Determination of the average lifetime of b-baryons (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The average lifetime of b-baryons has been studied using 3 \times 10^6 hadronic Z^0 decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different...
Charged particle multiplicity in $e^+e^-$ interactions at $\sqrt{s}$ = 130 GeV (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be n_{ch} = 23.84 \pm 0.51 (stat) \pm 0.52 (syst)....
An upper limit for $Br(Z^0 \rightarrow ggg)$ from Symmetric 3-jet $Z^0$ Hadronic Decays (1996)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An upper limit for $BR(Z^0\rightarrow3g)$ is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle...
A precise measurement of the $\tau$ lepton lifetime (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The tau lepton lifetime has been measured using three different methods with the DELPHI detector. Two measurements of one-prong decays are combined, accounting for correlations, giving a result of...
A precise measurement of the $\tau$ lepton lifetime (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The tau lepton lifetime has been measured using three different methods with the DELPHI detector. Two measurements of one-prong decays are combined, accounting for correlations, giving a result of...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Semileptonic decays B \rightarrow D^{*-} \ell^+ \nu X were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for semileptonic B...
Search for exclusive decays of the $\Lambda_{b}$ baryon and measurement of its mass (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for fully reconstructed \lb beauty baryons is performed using about 3 million Z decays collected with the DELPHI detector at LEP. The analysis relies on the combined use of the accurate...
Measurement of inclusive $\pi^{0}$ production in hadronic Z$^{0}$ decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
An analysis is presented of inclusive \pi^0 production in Z^0 decays measured with the DELPHI detector. At low energies, \pi^0 decays are reconstructed by \linebreak using pairs of converted photons...
An upper limit for $Br(Z^0 \rightarrow ggg)$ from Symmetric 3-jet $Z^0$ Hadronic Decays (1996)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An upper limit for $BR(Z^0\rightarrow3g)$ is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle...
Charged particle multiplicity in $e^+e^-$ interactions at $\sqrt{s}$ = 130 GeV (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be n_{ch} = 23.84 \pm 0.51 (stat) \pm 0.52 (syst)....
Determination of the average lifetime of b-baryons (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The average lifetime of b-baryons has been studied using 3 \times 10^6 hadronic Z^0 decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different...
Energy dependence of the differences between the quark and gluon jet fragmentation (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Three jet events arising from decays of the Z boson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b...
First measurement of f'$_{2}$(1525) production in Z$^{0}$ hadronic decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Inclusive production of the f'_{2}(1525) in hadronic Z^{0} decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were important tools in the...
First study of the interference between initial and final state radiation at the Z resonance (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The interference between initial and final state radiation in the process \eemm\ at $\sqs \approx \MZ$ has been studied by measuring the forward-backward asymmetry as a function of the acoplanarity...
Kaon interference in the hadronic decays of the Z$^{0}$ (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
The first measurement of like-sign charged kaon correlations in hadronic decays of the Z$^0$ is presented, based on data collected by the DELPHI detector. The charged kaons are identified by means of...
Mean lifetime of the b$^{0}_{s}$ meson (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
This paper presents an update of the measurement of the mean lifetime of the B^0_s meson. Combining D_s - \ell, D_s-h, \phi - \ell and inclusive D_s final states from the 3.2 million hadronic \Zz...
Measurement of the B$^{0}_{d}$ oscillation frequency using kaons leptons and jet charge (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the mass difference, \Delta m_d, between the two physical \mbox{B}^0_d states has been obtained from the analysis of the impact parameter distribution of a lepton emitted at large...
Performance of the DELPHI detector (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
DELPHI (DEtector with Lepton, Photon and Hadron Identification) is a detector for e^+e^- physics, designed to provide high granularity over a 4\pi solid angle, allowing an effective particle...
Search for anomalous production of single photons at $\sqrt{s}$ = 130 and 136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
This letter reports the results of the measurement of single photon production in the reaction $e^+e^- \rightarrow \gamma +$ invisible particles at centre-of-mass energies $\sqrt{s}=$~130 and 136 GeV...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for high mass photon pairs from the processes ${\mathrm e}^+ {\mathrm e}^- \to \ell^+ \ell^- \gamma \gamma\ $, ${\mathrm e}^+ {\mathrm e}^- \to {\mathrm \nu} \overline {\mathrm \nu} \gamma...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., ...
Using data accumulated by DELPHI during the November 1995 LEP run at 130~GeV -- 136~GeV, searches have been made for events with jets or leptons in conjunction with missing momentum. The results are...
Search for pair production of heavy objects in 4-jets events at $\sqrt{s}$ = 130-136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, \hA ~or \HH,...
Production of $\Sigma^{0}$ and $\Omega^{-}$ in Z decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Reconstructed \lam\ baryon decays and photon conversions in DELPHI are used to measure the \sig\ production rate from hadronic Z^0 decays at LEP. The number of \sig\ decays per hadronic Z decay is...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The partial decay width of the Z to b\overline{ b} quark pairs has been measured by the DELPHI detector at LEP. B-hadrons, containing b-quarks, were tagged by several methods using tracks with large...
Search for promptly produced heavy quarkonium states in hadronic Z decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
A search has been made for direct production of heavy quarkonium states in more than 3 million hadronic Z^{0} decays in the 1991-1994 DELPHI data. Prompt J/\psi, \psi(2S) and \Upsilon candidates have...
A precise measurement of the $\tau$ lepton lifetime (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The tau lepton lifetime has been measured using three different methods with the DELPHI detector. Two measurements of one-prong decays are combined, accounting for correlations, giving a result of...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Semileptonic decays B \rightarrow D^{*-} \ell^+ \nu X were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for semileptonic B...
Search for exclusive decays of the $\Lambda_{b}$ baryon and measurement of its mass (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for fully reconstructed \lb beauty baryons is performed using about 3 million Z decays collected with the DELPHI detector at LEP. The analysis relies on the combined use of the accurate...
Measurement of inclusive $\pi^{0}$ production in hadronic Z$^{0}$ decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
An analysis is presented of inclusive \pi^0 production in Z^0 decays measured with the DELPHI detector. At low energies, \pi^0 decays are reconstructed by \linebreak using pairs of converted photons...
An upper limit for $Br(Z^0 \rightarrow ggg)$ from Symmetric 3-jet $Z^0$ Hadronic Decays (1996)
Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...
An upper limit for $BR(Z^0\rightarrow3g)$ is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle...
Charged particle multiplicity in $e^+e^-$ interactions at $\sqrt{s}$ = 130 GeV (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be n_{ch} = 23.84 \pm 0.51 (stat) \pm 0.52 (syst)....
Determination of the average lifetime of b-baryons (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The average lifetime of b-baryons has been studied using 3 \times 10^6 hadronic Z^0 decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different...
Energy dependence of the differences between the quark and gluon jet fragmentation (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Three jet events arising from decays of the Z boson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b...
First measurement of f'$_{2}$(1525) production in Z$^{0}$ hadronic decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Inclusive production of the f'_{2}(1525) in hadronic Z^{0} decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were important tools in the...
First study of the interference between initial and final state radiation at the Z resonance (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The interference between initial and final state radiation in the process \eemm\ at $\sqs \approx \MZ$ has been studied by measuring the forward-backward asymmetry as a function of the acoplanarity...
Kaon interference in the hadronic decays of the Z$^{0}$ (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
The first measurement of like-sign charged kaon correlations in hadronic decays of the Z$^0$ is presented, based on data collected by the DELPHI detector. The charged kaons are identified by means of...
Mean lifetime of the b$^{0}_{s}$ meson (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
This paper presents an update of the measurement of the mean lifetime of the B^0_s meson. Combining D_s - \ell, D_s-h, \phi - \ell and inclusive D_s final states from the 3.2 million hadronic \Zz...
Measurement of the B$^{0}_{d}$ oscillation frequency using kaons leptons and jet charge (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the mass difference, \Delta m_d, between the two physical \mbox{B}^0_d states has been obtained from the analysis of the impact parameter distribution of a lepton emitted at large...
Performance of the DELPHI detector (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
DELPHI (DEtector with Lepton, Photon and Hadron Identification) is a detector for e^+e^- physics, designed to provide high granularity over a 4\pi solid angle, allowing an effective particle...
Search for anomalous production of single photons at $\sqrt{s}$ = 130 and 136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
This letter reports the results of the measurement of single photon production in the reaction $e^+e^- \rightarrow \gamma +$ invisible particles at centre-of-mass energies $\sqrt{s}=$~130 and 136 GeV...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A search for high mass photon pairs from the processes ${\mathrm e}^+ {\mathrm e}^- \to \ell^+ \ell^- \gamma \gamma\ $, ${\mathrm e}^+ {\mathrm e}^- \to {\mathrm \nu} \overline {\mathrm \nu} \gamma...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., ...
Using data accumulated by DELPHI during the November 1995 LEP run at 130~GeV -- 136~GeV, searches have been made for events with jets or leptons in conjunction with missing momentum. The results are...
Search for pair production of heavy objects in 4-jets events at $\sqrt{s}$ = 130-136 GeV (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Alekseev, G D., Alemany, R., ...
Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, \hA ~or \HH,...
Production of $\Sigma^{0}$ and $\Omega^{-}$ in Z decays (1996)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Reconstructed \lam\ baryon decays and photon conversions in DELPHI are used to measure the \sig\ production rate from hadronic Z^0 decays at LEP. The number of \sig\ decays per hadronic Z decay is...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The partial decay width of the Z to b\overline{ b} quark pairs has been measured by the DELPHI detector at LEP. B-hadrons, containing b-quarks, were tagged by several methods using tracks with large...
Search for promptly produced heavy quarkonium states in hadronic Z decays (1996)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
A search has been made for direct production of heavy quarkonium states in more than 3 million hadronic Z^{0} decays in the 1991-1994 DELPHI data. Prompt J/\psi, \psi(2S) and \Upsilon candidates have...
Energy dependence of the differences between the quark and gluon jet fragmentation (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Three jet events arising from decays of the Z boson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b...
A precise measurement of the $\tau$ lepton lifetime (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
The tau lepton lifetime has been measured using three different methods with the DELPHI detector. Two measurements of one-prong decays are combined, accounting for correlations, giving a result of...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
The hadronic photon structure function F_{2}^{\gamma} has been measured in the Q^{2} range from 4 to 30~GeV^2/c^{4} and down to x values of order 0.001, using data taken with the DELPHI detector at...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Search for heavy neutral Higgs bosons in two-doublet models (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
First Measurement of the Strange Quark Asymmetry at the $Z^{0}$ Peak (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Observation of orbitally excited B mesons (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
B-asterisk production in Z-Decays (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, R, ...
Study of prompt photon production in hadronic Z$^{0}$ decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Production of strange B-baryons decaying into $\Xi^{\mp}$ - l$^{\mp}$ pairs at LEP (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Lifetime of charged and neutral B hadrons using event topology (1995)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Lifetime and production rate of beauty baryons from Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
B$*$ production in Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the $\tau$ leptonic branching fractions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A sample of 25000 \Z\rightarrow\tt events collected by the DELPHI experiment at LEP in 1991 and 1992 is used to measure the leptonic branching fractions of the \tau lepton. The results are B(\TEL) =...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The DELPHI collaboration has searched for lepton flavour violating decays \tau \rightarrow \mu \gamma and \tau \rightarrow e \gamma using a data sample of about 70~pb^{-1} of integrated luminosity...
Measurement of $\Delta^{++}$(1232) production in hadronic Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the \Delta^{++}(1232) inclusive production in hadronic decays of the Z at LEP is presented, based on 1.3 million hadronic events collected~ by the DELPHI~ detector in the 1994 LEP...
First evidence of hard scattering processes in single tagged $\gamma\gamma$ collisions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Lifetime and production rate of beauty baryons from Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
First evidence of hard scattering processes in single tagged $\gamma\gamma$ collisions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Measurement of $\Delta^{++}$(1232) production in hadronic Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the \Delta^{++}(1232) inclusive production in hadronic decays of the Z at LEP is presented, based on 1.3 million hadronic events collected~ by the DELPHI~ detector in the 1994 LEP...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The DELPHI collaboration has searched for lepton flavour violating decays \tau \rightarrow \mu \gamma and \tau \rightarrow e \gamma using a data sample of about 70~pb^{-1} of integrated luminosity...
A measurement of the $\tau$ leptonic branching fractions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A sample of 25000 \Z\rightarrow\tt events collected by the DELPHI experiment at LEP in 1991 and 1992 is used to measure the leptonic branching fractions of the \tau lepton. The results are B(\TEL) =...
B$*$ production in Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Lifetime of charged and neutral B hadrons using event topology (1995)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Production of strange B-baryons decaying into $\Xi^{\mp}$ - l$^{\mp}$ pairs at LEP (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Study of prompt photon production in hadronic Z$^{0}$ decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Lifetime and production rate of beauty baryons from Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
First evidence of hard scattering processes in single tagged $\gamma\gamma$ collisions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Measurement of $\Delta^{++}$(1232) production in hadronic Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A measurement of the \Delta^{++}(1232) inclusive production in hadronic decays of the Z at LEP is presented, based on 1.3 million hadronic events collected~ by the DELPHI~ detector in the 1994 LEP...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
The DELPHI collaboration has searched for lepton flavour violating decays \tau \rightarrow \mu \gamma and \tau \rightarrow e \gamma using a data sample of about 70~pb^{-1} of integrated luminosity...
A measurement of the $\tau$ leptonic branching fractions (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
A sample of 25000 \Z\rightarrow\tt events collected by the DELPHI experiment at LEP in 1991 and 1992 is used to measure the leptonic branching fractions of the \tau lepton. The results are B(\TEL) =...
B$*$ production in Z decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Lifetime of charged and neutral B hadrons using event topology (1995)
Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., Alekseev, G D., ...
Production of strange B-baryons decaying into $\Xi^{\mp}$ - l$^{\mp}$ pairs at LEP (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Study of prompt photon production in hadronic Z$^{0}$ decays (1995)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Gamma Oscillations And, Gamma B, P. Billoir, A. Borgland, G. Borisov, M. Canepa, ...
This note presents a new limit on the mass difference of the physical B 0 s states which partially updates the result given in a previous publication, which is appended in the Addendum. In the...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
First evidence of hard scattering processes in single tagged $\gamma\gamma$ collisions (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Measurement of time dependent B$_{d}^{0}$-$\overline{B}_{d}^{0}$ mixing (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
J/$\psi$ production in the hadronic decays of the Z (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Charged kaon production in tau decays at LEP (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Search for Pair-Produced Heavy Scalars in $Z^{0}$ Decays (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
On the possible observation of real pomerons (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, R, ...
Measurement of the B$^{0}$-$\overline{B}^{0}$ mixing parameter in DELPHI (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Search for the Standard Model Higgs Boson in $Z^{0}$ Decays (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Measurement of the e+e- --> $\gamma\gamma$($\gamma$) cross section at LEP energies (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Improved Measurements of Cross-Sections and Asymmetries at the $Z^{0}$ Resonance (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
A measurement of the B$_{s}^{0}$ meson mass (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
A precision measurement of the average lifetime of B hadrons (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Interference of Neutral Kaons in the Hadronic Decays of the $Z^{0}$ (1994)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
Interference of neutral kaons in the hadronic decays of the Z$^0$ (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Search for pair-produced heavy scalars in Z$^0$ decays (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
Interference of neutral kaons in the hadronic decays of the Z$^0$ (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
Search for pair-produced heavy scalars in Z$^0$ decays (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
Interference of neutral kaons in the hadronic decays of the Z$^0$ (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G D., ...
Search for pair-produced heavy scalars in Z$^0$ decays (1994)
Abreu, P., Adam, W., Adye, T., Agasi, E., Azhinenko, I., Aleksan, R., ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Limits on the Production of Scalar Leptoquarks from $Z^{0}$ Decays at LEP (1993)
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
A measurement of the mean lifetimes of charged and neutral B-hadrons (1993)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Search for $Z^{0}$ Decays to Two Leptons and a Charged Particle-Antiparticle Pair (1993)
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
A Measurement of $D$ Meson Production in $Z^{0}$ Hadronic Decays (1993)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Determination of $\alpha_{s}$ using the next-to-leading-log approximation of QCD (1993)
Abreu, P, Frodesen, A G, Frühwirth, R, Fulda-Quenzer, F, Furnival, K, Fürstenau, H, ...
Determination of $\alpha_{s}$ for $b$ Quarks at the $Z^{0}$ Resonance (1993)
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Measurement of $\Lambda_{b}$ Production and Lifetime in $Z^{0}$ Hadronic Decays (1993)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Measurement of the triple-gluon vertex from 4-jet events at LEP (1993)
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
A measurement of the tau lifetime (1993)
Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, Roy, Alekseev, G D, ...
Measurement of the mass of the Z boson and the energy calibration of LEP (1993)
Arnaudon, L., Assmann, R., Billan, J., Birr, W., Blondel, A., Bobbink, G., ...
Measurement of the triple-gluon vertex from 4-jet events at Lep (1993)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G.D., ...
Measurement of the mass of the Z boson and the energy calibration of LEP (1993)
Arnaudon, L., Assmann, R., Billan, J., Birr, W., Blondel, A., Bobbink, G., ...
Measurement of the triple-gluon vertex from 4-jet events at Lep (1993)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G.D., ...
Measurement of the mass of the Z boson and the energy calibration of LEP (1993)
Arnaudon, L., Assmann, R., Billan, J., Birr, W., Blondel, A., Bobbink, G., ...
Measurement of the triple-gluon vertex from 4-jet events at Lep (1993)
Abreu, P., Adam, W., Adye, T., Agasi, E., Aleksan, R., Alekseev, G.D., ...
A search for lepton flavour violation in Z0 decays (1992)
Abreu, P, Adam, W, Adye, T, Agasi, E, Alekseev, G D, Algeri, A, ...
A measurement of B meson production and lifetime using Dl$^{-}$ events in Z$^{0}$ decays (1992)
Abreu, P, Adam, W, Adye, T, Agasi, E, Alekseev, G D, Algeri, A, ...
Multiplicity fluctuations in hadronic final states from the decay of the Z0 (1992)
Abreu, P, Adam, W, Adye, T, Agasi, E, Alekseev, G D, Algeri, A, ...
Evidence for B$^{0}_{s}$ meson production in Z$^{0}$ decays (1992)
Abreu, P, Adam, W, Adye, T, Agasi, E, Alekseev, G D, Allen, P, ...
Bose-Einstein correlations in the hadronic decays of the Z0 (1992)
Abreu, P, Adam, W, Adami, F, Adye, T, Agasi, E, Alekseev, G D, ...
Charged particle multiplicity distributions for fixed number of jets in Z0 hadronic decays (1992)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allen, P, ...
A study of the decays of tau leptons produced on the Z resonance at LEP (1992)
Abreu, P, Adam, W, Adami, F, Adye, T, Agasi, E, Alekseev, G D, ...
Determination of $\alpha_{s}$ in second order QCD in hadronic Z decays (1992)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Production of strange particles in the hadronic decays of the Z0 (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Multiplicity dependence of mean transverse momentum in e+e- annihilations at LEP energies (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Searches for heavy neutrinos from Z decays (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Study of final state photons in hadronic Z0 decay and limits on new phenomena (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Search for scalar leptoquarks from Z0 decays (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Measurement of the average lifetime of B hadrons (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
A search for neutral Higgs particles in Z0 decays (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
A measurement of the lifetime of the tau lepton (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
The Reaction $e^{+}e^{-} \to \gamma\gamma (\gamma)$ at $Z^{0}$ Energies (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Study of orientation of 3-jet events in Z0 hadronic decays using the DELPHI detector (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Search for excited charged leptons in Z0 decays (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Determination of Z0 resonance parameters and couplings from its hadronic and leptonic decays (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
A study of the reaction e$^{+}$e$^{-}$ --> $\mu^{+}\mu^{-}$ around the Z$^{0}$ pole (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Search for low mass Higgs bosons produced in Z$^{0}$ decays (1991)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Experimental study of the triple-gluon vertex (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Åkesson, T, Alekseev, G D, ...
Measurement of the partial width of the decay of the Z0 into charm quark pairs (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allen, P, ...
Energy-energy correlations in hadronic final states from Z0 decays (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
A comparison of jet production rates on the Z0 resonance to perturbative QCD (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
A search for sleptons and gauginos in Z0 decays (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
A study for intermittency in hadronic Z0 decays (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
Search for scalar quarks in Z0 decays (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
Search for pair production of neutral Higgs bosons in Z0 decays (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
Search for the t and b' quarks in hadronic decays of the Z0 boson (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
Search for light neutral Higgs particles produced in Z0 decays (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
Study of the leptonic decays of the Z0 boson (1990)
Aarnio, Pertti A, Abreu, P, Adam, W, Adami, F, Adrianos, P, Adye, T, ...
A precise measurement of the Z resonance parameters through its hadronic decays (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
Search for heavy charged scalars in Z0 decays (1990)
Abreu, P, Adam, W, Adami, F, Adye, T, Alekseev, G D, Allaby, James V, ...
Study of hadronic decays of the Z0 boson (1990)
Aarnio, Pertti A, Abreu, P, Adam, W, Adami, F, Adrianos, P, Adye, T, ...