Multivariate Techniques for Identifying Diffractive Interactions at the LHC (2009)
Kuusela, Mikael, Lamsa, Jerry W., Malmi, Eric, Mehtala, Petteri, Orava, Risto
Close to one half of the LHC events are expected to be due to elastic or inelastic diffractive scattering. Still, predictions based on extrapolations of experimental data at lower energies differ by...
Central Diffraction at the LHCb (2009)
The LHCb experiment is shown to be ideal for studies of exclusive final states from central diffractive reactions. The gluon-rich environment of the central system allows detailed QCD studies and...
EDS'09: 13th International Conference On Elastic & Diffractive Scattering (blois Workshop) 09 (2009)
Michele Arneodo, Marco Bruschi, Mario Deile (Chair), David D’Enterria, Albert De Roeck, Beniamino Di Girolamo, ...
EDS'09: 13th International Conference On Elastic & Diffractive Scattering (blois Workshop) 09 (2009)
Michele Arneodo, Marco Bruschi, Mario Deile (Chair), David D’Enterria, Albert De Roeck, Beniamino Di Girolamo, ...
Eränen, Simo, Kalliopuska, Juha, Orava, Risto, Van Remortel, Nick, Virolainen, Tuula
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Vol.607 Nr.1, 85 - 88
Forward Physics with Rapidity Gaps at the LHC (2008)
Albrow, Michael, De Roeck, Albert, Khoze, Valery, Lamsa, Jerry, Norbeck, E., Onel, Y., ...
A rapidity gap physics program with great potential can be realized at the LHC by adding a few simple forward shower counters (FSCs) along the beam line on both sides of the CMS detector. Measurement...
A novel silicon detector for neutral particle analysis in JET fusion research (2008)
Kalliopuska, Juha, Erä Nen, Simo, Karttunen, Seppo, Kovero, Tomi, Vehmas, Tapani, ...
Nuclear Instruments and Methods in Physics Research Section A. In press
Kalliopuska, Juha, Eränen, Simo, Virolainen, Tuula, Van Remortel, Nick, Orava, Risto
10th International Workshop on Radiation Imaging Detectors. Helsinki, 29 June - 3 July 2008
Kalliopuska, Juha, Eränen, Simo, Virolainen, Tuula, Van Remortel, Nick, Orava, Risto, Tlustos, Lukas
2008 Nuclear Science Symposium. Dresden, Germany, 19 - 25 Oct. 2008
Charge collection characterization of a 3D silicon radiation detector by using 3D simulations (2007)
Kalliopuska, Juha, Eränen, Simo, Orava, Risto
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Vol.572 Nr.1, 292 - 296
Charge collection characterization of a 3D silicon radiation detector by using 3D simulations (2007)
Kalliopuska, Juha, Eränen, Simo, Orava, Risto
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Vol.572 Nr.1, 292 - 296
Straw Performance Studies and Quality Assurance for the ATLAS Transition Radiation Tracker (2006)
Cwetanski, Peter, Orava, Risto, Dittus, Fido
The Transition Radiation Tracker (TRT) of the ATLAS experiment at the LHC is part of the Inner Detector. It is designed as a robust and powerful gaseous detector that provides tracking through...
3D simulations of 3D silicon radiation detector structures (2006)
Kalliopuska, Juha, Eränen, Simo, Orava, Risto
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Vol.568 Nr.1, 27 - 33
Tests of a Roman Pot Prototype for the TOTEM Experiment (2005)
Deile, Mario, Alagoz, Enver, Anelli, Giovanni M, Antchev, Gueorgui H, Avati, Valentina, Ayache, M, ...
The TOTEM collaboration has developed and tested the first prototype of its Roman Pots to be operated in the LHC. TOTEM Roman Pots contain stacks of 10 silicon detectors with strips oriented in two...
Simulations of 3D silicon radiation detector structures in 2D and 3D (2005)
Kalliopuska, Juha, Eränen, Simo, Orava, Risto
IEEE Nuclear Science Symposium and Medical Imaging Conference. Puerto Rico, 23 - 29 Oct. 2005, 803 - 807
3D semiconductor radiation detectors for particle physics applications (2005)
Kalliopuska, Juha, Eränen, Simo, Orava, Risto, Eräluoto, Markku, Härkönen, Jaakko, Kurvinen, Kari, ...
Proceedings of the XXXIX Annual Conference of the Finnish Physical Society. Espoo 17 - 19 March 2005, Talk 18.3
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Hadronic event shape distributions are determined from data in e+e- collisions between 183 and 207 GeV. From these the strong coupling alpha_s is extracted in O(alpha_s^2), NLLA and matched...
Measurement of the $\Lambda_{b}^{0}$ Decay Form Factor (2004)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
The form factor of Lambda_b^0 baryons is estimated using 3.46 10^6 hadronic Z decays collected by the DELPHI experiment between 1992 and 1995. Charmed Lambda_c^+ baryons fully reconstructed in the...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
The forward-backward asymmetries of the processes e+e- -> Z -> b bbar and e+e- -> Z -> c cbar were measured from a sample of hadronic Z decays collected by the DELPHI experiment between 1993 and...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
These final results on e+e- -> W+W- production cross-section measurements at LEP2 use data collected by the DELPHI detector at centre-of-mass energies up to 209 GeV. Measurements of total...
Search for SUSY in the AMSB scenario with the DELPHI detector (2004)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
The DELPHI experiment at the LEP e+e- collider collected almost 700 pb^-1 at centre-of-mass energies above the Z0 mass pole and up to 208 GeV. Those data were used to search for SUSY in the Anomaly...
Searches for invisibly decaying Higgs bosons with the DELPHI detector at LEP (2004)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Searches for HZ production with the Higgs boson decaying into an invisible final state were performed using the data collected by the DELPHI experiment at centre-of-mass energies between 188 GeV and...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Data from Z decays in DELPHI have been searched for anti-B0d -> D*+ l- anti-nu_l with the D*+ decaying to D0 pi+ and D0 -> K- pi+, K- pi+ pi+ pi- or K- pi+ (pi0). These events are used to measure the...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Final results from the DELPHI Collaboration on the lifetime of B+ and B0 mesons and the mean b-hadron lifetime, are presented using the data collected at the Z0 peak in 1994 and 1995. Elaborate,...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
DELPHI data collected at centre-of-mass energies up to 208 GeV have been analysed to search for charginos, neutralinos and sfermions in the framework of the Minimal Supersymmetric Standard Model...
A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons (2003)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
The production fractions of charged and neutral b-hadrons in b-quark events from Z0 decays have been measured with the DELPHI detector at LEP. An algorithm has been developed, based on a neural...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
W+W-gamma production at LEP2 is studied using data collected with the DELPHI detector at centre-of-mass energies between 189 GeV and 209 GeV, corresponding to an integrated luminosity of about 600...
b-tagging in DELPHI at LEP (2003)
Abdallah, J, Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, T, ...
The standard method used for tagging b-hadrons in the DELPHI experiment at the CERN LEP Collider is discussed in detail. The main ingredient of b-tagging is the impact parameters of tracks, which...
The $\eta_c$(2980) formation in two-photon collisions at LEP energies (2003)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
eta_c(2980) production in gammagamma interactions has been detected via its decays into K0_sK+-pi-+, K+K-K+K- and K+K-pi+pi- in the data taken with the DELPHI detector at LEP1 and LEP2 energies. The...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
DELPHI results are presented on the inclusive production of two (K Kbar pi)^0 states in the mass region 1.2-1.6 GeV/c^2 in hadronic Z decays at LEP I. The measured masses (widths) are 1274 +/- 6...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Inclusive J/psi production in photon-photon collisions has been observed at LEP II beam energies. A clear signal from the reactions gammagamma → J/psi + X is seen. The number of observed...
ZZ production in $e^{+}e^{-}$ interactions at $\sqrt{s}$ = 183 - 209 GeV (2003)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Measurements of on-shell ZZ production are described, using data from the DELPHI experiment at LEP in e+e- collisions at centre-of-mass energies between 183 and 209 GeV, corresponding to an...
Inclusive b Decays to Wrong Sign Charmed mesons (2003)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
The production of wrong sign charmed mesons b -> Dbar_(s)X, D_(s) = (D0, D+, Ds), is studied using the data collected by the DELPHI experiment in the years 1994 and 1995. Charmed mesons in Z -> bbbar...
Final results from DELPHI on the searches for SM and MSSM Neutral Higgs bosons (2003)
Abdallah, J, Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, ...
These final results from DELPHI searches for the Standard Model (SM) Higgs boson, together with benchmark scans of the Minimal Supersymmetric Standard Model (MSSM) neutral Higgs bosons, used data...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Infrared and collinear safe event shape distributions and their mean values are determined in e+e− collisions at centre-of-mass energies between 45 and 202 GeV. A phenomenological analysis...
Search for resonant $\widetilde\nu$ production at $\sqrt{s}$ = 183 to 208 GeV (2003)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Searches for resonant ~nu production in e+e collisions under the assumption that R-parity is not conserved and that the dominant R-parity violating coupling is lambda121 or lambda131 used data...
Search for supersymmetric particles in light gravitino scenarios and sleptons NLSP (2002)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
A search for sleptons, neutralinos, charginos, sgoldstinos and heavy stable charged sleptons in the context of scenarios where the lightest su\-per\-sym\-me\-tric particle is the gravitino, is...
Search for supersymmetric particles in light gravitino scenarios and sleptons NLSP (2002)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
A search for sleptons, neutralinos, charginos, sgoldstinos and heavy stable charged sleptons in the context of scenarios where the lightest su\-per\-sym\-me\-tric particle is the gravitino, is...
Search for an LSP gluino at LEP with the DELPHI detector (2002)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
In some supersymmetric models, the gluino (\glui) is predicted to be light and stable. In that case, it would hadronize to form R-hadrons. In these models, the missing energy signature of the...
Search for Doubly Charged Higgs Bosons at LEP2 (2002)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
A search for pair-produced doubly charged Higgs bosons has been performed using the data collected by the DELPHI detector at LEP at centre-of-mass energies between 189 and 209 GeV. No excess is...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Neutral B meson oscillations in the $\mbox{B}^0_s-\overline{B^0_s}$ and $B^0_d-\overline{B^0_d}$ systems were studied using a sample of about 4.0 million hadronic Z decays recorded by the DELPHI...
Search for an LSP gluino at LEP with the DELPHI detector (2002)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
In some supersymmetric models, the gluino (\glui) is predicted to be light and stable. In that case, it would hadronize to form R-hadrons. In these models, the missing energy signature of the...
Search for Doubly Charged Higgs Bosons at LEP2 (2002)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
A search for pair-produced doubly charged Higgs bosons has been performed using the data collected by the DELPHI detector at LEP at centre-of-mass energies between 189 and 209 GeV. No excess is...
Ways to detect a light Higgs boson at the LHC (2002)
De Roeck, A, Khoze, V A, Martin, A D, Orava, Risto, Ryskin, M G
We summarize the possible processes which may be used to search for a Higgs boson, of mass in the range 114-130 GeV, at the LHC. We discuss, in detail, two processes with rapidity gaps: exclusive...
Rapidity-Alignment and $mrm{p}_T$ Compensation of Particle Pairs in Hadronic $Z^0$ Decays (2002)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Observation is made of rapidity-alignment of \KK and \pp pairs which results from their asymmetric orientation in rapidity, with respect to the direction from primary quark to antiquark. The \KK and...
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Neutral Higgs bosons of the Standard Model ({\sc SM}) and the Minimal Supersymmetric Standard Model ({\sc MSSM}) were searched for in the data collected in 1999 by the DELPHI experiment at...
Search for technicolor with DELPHI (2001)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
Technicolor represents a viable alternative to the Higgs mechanism for generating gauge boson masses. Searches for technicolor particles $\rho_T$ and $\pi_T$ have been performed in the data collected...
Search for Charged Higgs Bosons in $e^{+} e^{-}$ Collisions at $\sqrt{s}$=189-202 GeV (2001)
Abdallah, J, Abreu, P, Adam, W, Adzic, P, Albrecht, T, Alderweireld, T, ...
A search for pair-produced charged Higgs bosons was performed in the high energy data collected by the DELPHI detector at LEP II at centre-of-mass energies from 189~GeV to 202~GeV\@. The three...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The cross-sections for the production of single charged and neutral intermediate vector bosons were measured using integrated luminosities of 52~pb$^{-1}$ and 154~pb$^{-1}$ collected by the DELPHI...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The cross-sections for the production of single charged and neutral intermediate vector bosons were measured using integrated luminosities of 52~pb$^{-1}$ and 154~pb$^{-1}$ collected by the DELPHI...
A Measurement of the Tau Topological Branching Ratios (2001)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Using data collected in the DELPHI detector at LEP-1, measurements of the inclusive tau branching ratios for decay modes containing one, three, or five charged particles have been performed, giving...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A measurement of the W mass and width has been performed by the DELPHI collaboration using the data collected during 1998. The data sample has an integrated luminosity of 155 pb^{-1} and an average...
Search for a fermiophobic Higgs at LEP 2 (2001)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Higgs bosons predicted by the fermiophobic scenario within Two Higgs Doublets Models were searched for in the data collected by the DELPHI detector at centre-of-mass energies between 189 GeV and 202...
Measurement of $V_{cb}$ from the decay process $\bar{B^0} \to D^{*+} \ell^- \bar{\nu}$ (2001)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A new precise measurement of |V_{cb}| and of the branching ratio BR(\bar{B^0} -> D^{*+} \ell^- \bar{\nu_\ell}) has been performed using a sample of about 5000 semileptonic decays \bar{B^0} -> D^{*+}...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A more general MSSM parameter scan is described
1st Workshop on Forward Physics and Luminosity Determination at LHC (2001)
Huitu, Katri, Khoze, Valery, Orava, Risto, Tapprogge, Stefan
Search for the Standard Model Higgs boson at LEP in the year 2000 (2001)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Searches for the Standard Model Higgs boson have been performed in the data collected by the DELPHI experiment at LEP in the year 2000 at centre-of-mass energies between 200 and...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Measurements of the trilinear gauge boson couplings $WW\gamma$ and $WWZ$ are presented using the data taken by DELPHI in 1998 at a centre-of-mass energy of 189~GeV and combined with DELPHI data at...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
An update of the search for sleptons, neutralinos and charginos in the context of scenarios where the lightest supersymmetric particle is the gravitino and the next-to-lightest supersymmetric...
Search for sleptons in $e^+ e^-$ collisions at $\sqrt{s}$= 183 to 189 GeV (2001)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Data taken by the {\tt DELPHI} experiment at centre-of-mass energies of 183~\GeV\ and 189~\GeV\ with a total integrated luminosity of 212 pb$^{-1} have been used to search for the supersymmetric...
Search for neutralino pair production at $\sqrt{s}$ = 189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
A search for pair-production of neutralinos at a LEP centre-of-mass energy of 189 GeV gave no evidence for a signal. This limits the neutralino production cross-section and excludes regions in the...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Muon pair production in the process $e^+e^-\to e^+e^-\mu^+\mu^-$ is studied using the data taken at LEP1 ($\sqrt{s}\simeq m_Z$) with the DELPHI detector during the years 1992-1995. The corresponding...
Measurement of the ZZ cross-section in $e^+ e^-$ interactions at 183-189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Measurements of on-shell $ZZ$ production are described, using data collected by DELPHI in 1997 and 1998, at centre-of-mass energies $\sqrt s$ = 182.6 GeV and 188.6 GeV respectively. Results obtained...
Search for Spontaneous R-parity violation at $\sqrt{s}$ = 183 GeV and 189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Searches for spontaneous $R$-parity violating signals at $\sqrt{s}=183$\,GeV and \mbox{$\sqrt{s}=189$\,GeV} have been performed using 1997 and 1998 DELPHI data, under the assumption of $R$-parity...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Searches for pair production of gauginos and squarks in $e^{+} e^{-}$ collisions at a centre-of-mass energy of 189 GeV have been performed on data corresponding to an integrated luminosity of 158...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Searches for {\mbox{$ {\mathrm H} {\mathrm Z} $}} production d with the Higgs boson decaying into an invisible final state have been performedd the data collected by the DELPHI experimentd up to the...
Search for the sgoldstino at $\sqrt{s}$ from 189 to 202 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A search for the supersymmetric partner of the goldstino, the sgoldstino S, at LEP2 is presented. The production S$\gLWahlen, H
Luminosity monitors at the LHC (2000)
Khoze, V A, Martin, A D, Orava, Risto, Ryskin, M G
We study the theoretical accuracy of various methods that have been proposed to measure the luminosity of the LHC pp collider, as well as for Run II of the Tevatron p barp collider. In particular we...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The combination of these results with those obtained using $\mathrm{\rm{D}_{s}^{\pm}} \ell^{\mp}$ sample gives: %\cite{ref:dsl} \bes \ba{c} \dms > 4.9~\mbox{ps}^{-1}~\mbox{at the 95\% C.L.} \\...
Search for supersymmetric partners of top and bottom quarks at $\sqrt{s}$= 189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model expectations are...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A test of the QED process \eeintogg(\fot) is reported. The data analysed were collected with the DELPHI detector in 1998 and 1999 at the highest ener\-gies achieved at LEP, reaching 202 GeV in the...
Limits on the Masses of Supersymmetric Particles at $\sqrt{s}$=189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Searches for charginos, neutralinos and sleptons at LEP2 centre-of-mass energies from 130 GeV to 189 GeV have been used to set lower limits on the mass of the Lightest Supersymmetric Particle and...
Rapidity-Rank Structure of $p\overline{p}$ Pairs in Hadronic $Z^{0}$ Decays (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The rapidity-rank structure of \ppb pairs is used to analyze the mechanism of baryon production in hadronic \zz decay. The relative occurrence of the rapidity-ordered configuration \pmpb, where $M$...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Lifetime and oscillations of $\Bs$ mesons have been studied in eventswith a large transverse momentum lepton and a $\Ds$ of opposite electric charge>the same hemisphere, selected from about 3.6...
Search for SUSY with R-parity violating $LL\overline{E}$ couplings at $\sqrt{s}$=189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Searches for pair production of supersymmetric particlesunder the assumption that $R$--parity is not conserved are presented,based on data recorded by the DELPHI detector in 1998from e$^{+}$e$^{-}$...
Update of the search for charginos nearly mass-degenerate with the lightest neutralino (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The data collected by DELPHI in 1998 at the centre-of-mass energy of 189~GeVhave been used to update the search for charginos nearly mass-degenerate withthe lightest supersymmetric particle, which is...
Measurement and Interpretation of Fermion-Pair Production at LEP Energies of 183 and 189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
An analysis of the data collected in 1997 and 1998 with the DELPHIdetector at $e^+e^-$ collision energies close to 183 and 189GeV was performed in order to extract the hadronic and leptonic...
Cross-Sections and Leptonic Forward-Backward Asymmetries from the $Z^0$ Running of LEP (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
During 1993 and 1995 LEP was run at 3 energies near the Z$^0$ peak in order to give improved measurements of the mass and width of the resonance. During 1994, LEP operated only at the Z$^0$peak. In...
Measurement of the $\overline{B} \to D^{(*)}\pi l\overline{\nu}_l$ Branching Fraction (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
A study of $b$ semileptonic decays into $D$, $D\pi^{\pm}$ and $D^*\pi^{\pm}$ final states is presented.The $D^0$, $D^+$ and $D^{*+}$ mesons are exclusively reconstructed in $Z$ decay data recorded...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The cross-section for the process $e^+e^-\rightarrow W^+W^-$has been measured with the data sample collected by DELPHIat an average centre-of-mass energy of 189~GeV andcorresponding to an integrated...
Searches for Neutral Higgs Bosons in $e^+ e^-$ Collisions around $\sqrt{s}$ = 189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Searches for neutral Higgs bosons in the Standard Model and the MSSM havebeen performed using data collected by the DELPHI experiment at acentre-of-mass energy of 188.7 GeV, corresponding toan...
A Study of the Lorentz Structure in $\tau$ Decays (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
This paper describes a measurement of the Michel parameters, $\eta$, $\rho$, $\xi$, $\xi \delta$, and the average $\nu_{\tau}$helicity, $h_{\nu_{\tau}}$, in $\tau$ lepton decays together withthe...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A search for stable and long-lived heavy charged particles was performed using the data taken by the DELPHI experiment at an energy of 189 GeV. The Cherenkov light detected in the Ring Imaging...
Determination of |$V_{ub}$|/|$V_{cb}$| with DELPHI at LEP (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The ratio of the CKM quark-mixing matrix elements |V_{ub}|/|V_{cb}|has been measured using B hadron semileptonic decays.The analysis is based on a novel technique, recently proposed by theoreticians,...
Photon Events with Missing Energy at $\sqrt{s}$= 183 to 189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The production of single photons has been studiedin the reaction e+e- --> gamma+ invisible particles at centre-of-mass energies of 183~GeV and 189~GeV.A previously published analysis of events with...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Inclusive distributions of charged particles in hadronic Wdecays are experimentally investigated using the statisticscollected by the DELPHI experiment at LEP during 1997, 1998and 1999, at...
Search for supersymmetric particles in scenarios with gravitino LSP and stau NLSP (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Sleptons, neutralinos and charginos were searched for in the context of scenarios where the lightest supersymmetric particle isthe gravitino.It was assumed that the stau is the next-to-lightest...
Identified Charged Particles in Quark and Gluon Jets (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A sample of 2.2 million hadronic \z decays, selected fythe {\sc Delphi} detector at {\sc Lep} during 1994-199nimprovedmeasurement of inclusive distributions of \pie, \kp anrantiparticles in gluon and...
Search for charginos in $e^+ e^-$ interactions at $\sqrt{s}$= 189 GeV (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
An update of the searches for charginos and gravitinodon a data sample corresponding to the 158 pb$^{-1}$ rIdetector in 1998, at a centre-of-mass energy of 18asignal was found. The lower mass limits...
Inclusive $\Sigma^{-}$ and $\Lambda(1520)$ production in hadronic Z decays (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Production of $\sm$ and $\lft$ in hadronic Z decays has been measuredusing the \delphi detector at \lep. The $\sm$ is directly reconstructed as acharged track in the \delphi microvertex detector and...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The DELPHI detector at LEP has collected 54 pb$^{-1}$ of dataat a centre-of-mass energy around 183 GeV during 1997,158 pb$^{-1}$ around 189 GeV during 1998,and 187 pb$^{-1}$ between 192 and 200 GeV...
Consistent Measurements of $\alpha_{s}$ from Precise Oriented Event Shape Distributions (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
An updated analysis using about 1.5 million events recorded at $\sqrt{s} =M_Z$ with the DELPHI detector in 1994 is presented. Eighteen infrared and collinear safe event shape observables are measured...
A Search for Interconnection Effects in WW Decays using Identified Hadrons (2000)
Battaglia, Marco, Liko, D, Neufeld, N, Orava, Risto, Tonazzo, A
$\Lambda_{b}$ polarization in $Z^{0}$ decays at LEP (2000)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
Identifying gluons event-by-event in Z$^{0}\to b\bar{b}g$ Mercedes events (1999)
Battaglia, Marco, Kiiskinen, A P, Nomokonov, V P, Orava, Risto
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
A precise measurement of the $\tau$ polarisation at LEP-1 (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The $\tau$ polarisation has been studied with the $\eett$ data collected by the DELPHI detector at LEP in 1993, 1994 and 1995 around the $\Z$ resonance firstly through the exclusive decay channels...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The study of the directional dependence of two-particle correlations in the hadronic decays of the $Z^0$ boson is performed using the data collected by the DELPHI experiment in the 1992--1995 running...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Using the data sample of hadronic $Z^0$ decays collected by the DELPHI experiment in the 1992-1995 LEP1 period, the leptonic decay of the charged $B$ mesons (\btauex) has been studied. The analysis...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Battaglia, Marco, Caccia, M, Campagnolo, R, Grabiec, P, Jaroszewicz, B, Kucewicz, W, ...
In order to fully exploit the physics potential of a future high energy e+e- linear collider, a Vertex Tracker, providing high resolution track reconstruction, is required. Hybrid Silicon pixel...
Measurement of the strange quark forward-backward asymmetry around the $Z^0$ peak (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Promptly decaying lightest charginos were searched for in the context of scenarios with gravitino LSP. It was assumed that the stau is the next to lightest supersymmetric particle (NLSP). Data...
Energy Dependence of Inclusive Spectra in $e^{+} e^{-}$ Annihilation (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Inclusive charged hadron distributions as obtaind from the DELPHI measurements at 130, 136, 161, 172 and 183 GeV are presented as a function of the variables rapidity, $\xi_p$, $p$ and transversal...
Search for the Higgs boson in events with isolated photons at LEP 2 (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
A search for the Higgs boson in final states with one, two or three isolated photons has been performed based on data taken at LEP 2 by the DELPHI detector. The data analysed correspond to a total...
A search for invisible Higgs bosons produced in $e^{+} e^{-}$ interactions at LEP 2 energies (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Searches for HZ production with the Higgs boson decaying into an invisible final state have been performed with the data collected by the DELPHI experiment up to the centre-of-mass energy of 183 GeV....
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Measurements of the trilinear gauge boson couplings $WW\gamma$ and $WWZ$ are presented from data taken by DELPHI in 1997 at an energy of 183 GeV. From a study of the reactions $e^+ e^- \to W^+ W^-,...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The rate $Z \rightarrow b\overline{b}b\overline{b}$ was measured using about $2 x 10^6$ hadronic decays collected by the DELPHI experiment in 1994 and 1995. Events were forced into 3-jets with...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The partial decay width $R_c$ of the $Z$ into $c\bar{c}$ quark pair and the number of charm quarks $n_c$ per $b$ decay are measured with the DELPHI detector at \mbox{LEP 1}. Particle identification...
Determination of $P(c \to D^{*+})$ and $BR(c \to l^{+})$ at LEP 1 (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The probability $P(c \rightarrow D^{*+})$ that a charm quark fragments into a $D^{*+}$ meson and the $c \rightarrow l^+$ semileptonic branching fraction were measured in $Z^0\ $ decay into $c\bar{c}$...
Search for Charged Higgs Bosons at LEP 2 (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A search for pair produced charged Higgs bosons has been performed in the high energy data collected by DELPHI at LEP with $\sqrt{s} =$ 161, 172 and 183~GeV. The analysis uses the $\tau \nu \tau...
Measurement of the mass of the W boson using direct reconstruction at $\sqrt{s}$ = 183 GeV (1999)
Abreu, P, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, G D, ...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Multiplicity fluctuations in rings around the jet axis and in off-axis cones have been measured by the DELPHI collaboration in $e^+e^-$ annihilations into hadrons at LEP energies. The measurements...
Energy dependence of event shapes and of $\alpha_s$ at LEP 2 (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
Infrared and collinear safe event shape distributions and their mean values are determined using the data taken at ve di erent centre of mass energies above $M_Z$ with the DELPHI detector at LEP....
Measurements of the leptonic branching fractions of the $\tau$ (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Data collected with the DELPHI detector from 1993 to 1995 combined with previous DELPHI results for data from 1991 and 1992 yield the branching fractions $ B({\tau \rightarrow \mbox{\rm e} \nu...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The cross-section for the process $e^+e^-\rightarrow W^+W^-$ has been measured with the data sample collected by DELPHI at an average centre-of-mass energy of 182.65 GeV and corresponding to an...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Searches for pair production of supersymmetric particles in e$^{+}$e$^{-}$ collisions at centre-of-mass energy of 183~GeV have been performed on DELPHI data under the assumption that $R$-parity is...
Search for charginos nearly mass-degenerate with the lightest neutralino (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
A search for charginos with masses close to the mass of the lightest neutralino is reported, based on the data collected with the DELPHI detector at LEP from 1995 to 1997 at centre-of-mass energies...
Measurement of the Lifetime of b-baryons (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The average lifetime of weakly decaying $b$-baryons was studied using 3.6 million $Z^0$ hadronic decays collected by the DELPHI detector at LEP. The measurement of the proper decay time distribution...
Search for neutral Higgs bosons in $e^{+}e^{-}$ collisions at $\sqrt{s}$ = 183 GeV (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
Neutral Higgs bosons were searched for in the data collected by DELPHI at a centre-of-mass energy of 183 GeV, corresponding to an integrated luminosity of 54 pb/sup -1/
Abreu, P, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, G D, ...
A measurement of the forward--backward asymmetry of $e^{+}e^{-} \to c\bar{c}$ and $e^{+}e^{-} \to b\bar{b}$ on the $Z$ resonance is performed using about 3.5 million hadronic $Z$ decays collected by...
Measurement and Interpretation of Fermion-Pair Production at LEP energies from 130 to 172 GeV (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The data collected with the DELPHI detector at centre-of-mass energies between 130 and 172~$\GeV$, during LEP operation in 1995 and 1996, have been used to determine the hadronic and leptonic...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
\frac{C_A}{C_F} = 2.246 \pm 0.062~(stat.) \pm 0.080~(syst.) \pm 0.095~(theo.)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
DELPHI results are presented on the inclusive production of the neutral mesons$\rho^0$, $f_0(980)$, $f_2(1270)$, K$^{*0}_2(1430)$ and $f^{'}_2(1525)$ in hadronic Z$^0$ decays. They are based on about...
Study of the four-jet anomaly observed at LEP centre-of-mass energies of 130 and 136 GeV (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, ...
The four-jet events collected by \delphi\ during the speciaLEP run at centre-of-mass energies of 130 and 136 \GeV\ in 1997 with an integrated luminosity of $5.9 \ipb $ are analysed. Their rate and...
Measurement of $A_{FB}^{\overline{b}b}$ in Hadronic Z Decays using a Jet Charge Technique (1999)
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The $\BB$ forward-backward asymmetry %, $\AFBbb$, has been determined from the average charge flow %, $\langle Q_{FB}\rangle$, measured in a sample of 3,500,000 hadronic Z decays collected with the...
Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, ...
The partial decay width of the Z to $\bb$ quark pairs has beenmeasured by the DELPHI detector at LEP using data taken in the years1992 to 1995.Decays of b-hadrons were tagged by several methods...
Search for Leptoquarks and FCNC in $e^{+} e^{-}$ annihilations at $\sqrt{s}$=183 GeV (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alderweireld, T, Alekseev, G D, ...
A search for events with one jet and at most one isolated leptonused data taken at LEP-2 by the DELPHI detector.These data were accumulated at a center-of-mass energy of183 GeV and correspond to an...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alderweireld, T, ...
An update of the searches for charginos and neutralinos is presented, basedon a data sample corresponding to the 53.9 pb$^{-1}$ recorded by the DELPHIdetector in 1997, at a centre-of-mass energy of...
Search for composite and exotic fermions at LEP 2 (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alderweireld, T, Alekseev, G D, ...
A search for unstable heavy fermions with the DELPHI detector at LEP is reported. Sequential and non-canonical leptons, as well as excited leptons and quarks, are considered. The data analysed...
Abreu, P, Adam, W, Adye, T, Adzic, P, Alderweireld, T, Alekseev, G D, ...
Promptly decaying lightest neutralinos and long-lived staus are searched for in the context of light gravitino scenarios. It is assumed that the stau is the next to lightest supersymmetric particle...
Abreu, P, Adam, W, Adye, T, Adzic, P, Alderweireld, T, Alekseev, G D, ...
A search for stable and long-lived heavy charged particles used the data taken by the DELPHI experiment at energies from 130 to 183 GeV. The Cherenkov light detected in the Ring Imaging Cherenkov...
A search for $\eta'_c$ production in photon-photon fusion at LEP (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
A search for the production of the $\eta'_c$ meson, the first radial excitation of the ground state of charmonium $\eta_c$(2980), in the photon-photon fusion reaction at LEP has been performed using...
Two-particle angular correlations in $e^+ e^-$ interactions compared with QCD predictions (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
Two--particle angular correlations in jet cones have been measured in $e^+e^-$ annihilation into hadrons at LEP energies ($\sqrt{s}=$ 91 and 183~GeV) and are compared with QCD predictions using the...
Abreu, P, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, Alemany, R, ...
The events with two photons and missing (transverse) energy collected by the DELPHI detector at centre-of-mass energies between 130~GeV and 183~GeV have been studied to search for processes of the...
Measurement of |V_{cs}| using W decays at LEP2 (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
Decays of $W^{\pm}$ bosons, produced at LEP2, have been used to measure the $|V_{cs}|$ element of the Cabibbo-Kobayashi-Maskawa matrix. Values for $|V_{cs}|$ were extracted both from the measured...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
Data taken by DELPHI during the 1995 and 1996 LEP runs have been used to search for the supersymmetric partners of electron, muon and tau leptons and of top and bottom quarks. The observations are in...
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
The DELPHI experiment at LEP uses Ring Imaging Cherenkov detectors for particle identification. The good understanding of the RICH detectors allows the identification of charged pions, kaons and p...
Measurement of the $e^+ e^- \to \gamma\gamma (\gamma)$ cross section at the LEP energies (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
The total and the differential cross-sections for the reaction $e^+e^-\rightarrow \gamma\gamma(\gamma)$ have been measured with the DELPHI detector at LEP % with at centre-of-mass energies from 1 30...
From jets to color portraits of hard scattering final states (1998)
Orava, Risto, Khoze, V A, Nomokonov, V P, Vuopionperä, R, Väisänen, K, Lassila, K E
Measurement of the charged particle multiplicity of weakly decaying B hadrons (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
From the $Z$ decays recorded in 1994 and 1995 by the DELPHI detector at LEP, the charged particle multiplicity of weakly decaying $B$ hadrons was measured to be: \begin{center} $4.97 \pm 0.03 \pm...
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...
First evidence for a charm radial excitation, $D^{*}'$ (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...
Using D$^{*+}$ mesons exclusively reconstructed in the DELPHI detector at LEP, an excess of $66\pm14(\mbox{stat.})$ events is observed in the D$^{*+}\pi^+\pi^-$ final state with a mass of...
A study of the hadronic resonance structure in the decay $\tau \to 3\pi\nu_{\tau}$ (1998)
Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, G D, Alemany, R, ...
The hadronic structure of the decay of the $\tau$ lepton to three charged particles, $\tau\rightarrow 3\pi\nu_\tau$, is studied using data collected by the DELPHI detector at LEP between 1992 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...
The DELPHI Silicon Tracker at LEP2 (1998)
Chochula, P, Rosinsky, P, Andreazza, A, Barker, G, Chabaud, V, Collins, P, ...
The DELPHI Silicon Tracker, an ensemble of microstrips, ministrips and pixels, was completed in 1997 and has accumulated over $70~{\rm pb^{-1}}$ of high energy data. The Tracker is optimised for 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, ...
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 (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...
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...
A precise measurement of the $B^{0}_{d}$ meson lifetime using a new technique (1996)
Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, G D, Alemany, R, ...
From data recorded by DELPHI between 1991 and 1994, which correspond to 3.2 million hadronic $\mbox{Z}^0$ decays, a measurement of the $\Bdb$ meson lifetime has been performed based on the inclusive...
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...
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...
Search for promptly produced heavy quarkonium states in hadronic Z decays (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
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...
Measurement of inclusive $\pi^{0}$ production in hadronic $Z^{0}$ decays (1995)
Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, 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...
Measurement of $\Delta^{++}$(1232) production in hadronic Z decays (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
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...
A measurement of the $\tau$ leptonic branching fractions (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
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) =...
Upper limits on the branching ratios $\tau$ --> $\mu\gamma$ and $\tau$ --> e$\gamma$ (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
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...
Study of Prompt Photon Production in Hadronic $Z^{0}$ Decays (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
From a sample of 1.5 million \zqq decays collected by the DELPHI detector during 1991, 1992 and 1993, the production cross section for isolated final state photons is measured and is compared with...
Search for exclusive charmless B meson decays with the DELPHI detector at LEP (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Charmless hadronic decays of beauty mesons have been searched for using the data collected with the DELPHI detector at the LEP collider. Several two, three and four-body decay modes have been...
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...
The DELPHI silicon strip microvertex detector with double sided readout (1995)
Chabaud, V, Collins, P, Dijkstra, H, Gómez-Cadenas, J J, Keränen, R, Masciocchi, S, ...
Observation of short range three-particle correlations in e+e- annihilations at LEP energies (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
\def\tpc{three-particle correlation} \def\twopc{two-particle correlation} Measurements are presented of short range three-particle correlations in e^+ e^- annihilations at LEP using data collected by...
B$*$ production in Z decays (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Lifetimes of charged and neutral B hadrons using event topology (1995)
Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, Alekseev, G D, ...
The lifetimes of charged and neutral B hadrons have been measured using data collected by the DELPHI experiment at LEP between 1991 and 1993. B hadrons are tagged as jets with a secondary vertex and...
A measurement of B$^{+}$ and B$^{0}$ lifetimes using $\overline{D}$l$^{+}$ events (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
A measurement of B meson lifetimes is presented using data collected from 1991 to 1993 by the DELPHI detector at the LEP collider. Samples of events with a D meson and a lepton in the same jet are...
Lifetime and production rate of beauty baryons from Z decays (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
The production and decay of beauty baryons (b-baryons) have been studied using 1.7 \times 10^6 Z hadronic decays collected by the DELPHI detector at LEP. Three different techniques were used to...
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
Strange baryon production in Z hadronic decays (1995)
Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, Roy, ...
A study of the production of strange octet and decuplet baryons in hadronic decays of the Z recorded by the DELPHI detector at LEP is presented. This includes the first measurement of the \Sigma^\pm...
Beam test results of a 60 cm long silicon microstrip detector (1995)
Lauhakangas, R, Laurikainen, P, Orava, Risto, Ostonen, R, Pyyhtiä, J, Schulman, T, ...
Seismic conditions in Finland and stability requirements for the future linear collider (1995)
Juravlev, V M, Lunev, P A, Seryi, Andrei, Sleptsov, A I, Honkavaara, K, Orava, Risto, ...
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, Roy, ...
Measurements of the $\tau$ polarisation in Z$^{0}$ decays (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, ...
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, ...
Observation of orbitally excited B mesons (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, ...
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, ...
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, 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, ...
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, ...
The DELPHI microvertex detector (1992)
Bingefors, N, Börner, H, Boulter, R, Caccia, M, Chabaud, V, Dijkstra, H, ...
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, ...
Beam test results of an ion-implanted silicon strip detector on a 100 mm wafer (1991)
Hietanen, I, Lindgren, J, Orava, Risto, Tuuva, T, Brenner, R, Andersson, M, ...
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, ...
A-dependence of the inclusive production of hadrons with high transverse momenta (1990)
Hsiung, Y B, Sakai, Y, Crittenden, James Arthur, Adams, M R, Brown, N, Charpak, Georges, ...
Crittenden, James Arthur, Hsiung, Y B, Kaplan, D M, Hubbard, John R, Mangeot, Philippe, Peisert, Anna, ...
Single pi$^{+}$ production in charged current neutrino-hydrogen interactions (1990)
Allen, P, Blietschau, J, Grässler, Herbert, Lanske, D, Schulte, R, Seyfert, H H, ...