P. A. Delpierre

Publication List Details

Period

1990 - 2007

Number

972

Co-Authors

A Search for Heavy Stable and Long-Lived Squarks and Sleptons in $e^+ e^-$ Collisions at Energies from 130 to 183 GeV (2007)

Abreu, P., Adam, W., Adye, T., Adzic, P., Aldeweireld, 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...

Search for neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV (2006)

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...

Search for Leptoquarks and FCNC in $e^{+} e^{-}$ annihilations at $\sqrt{s}$=183 GeV (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Aldeweireld, 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...

Search for Leptoquarks and FCNC in $e^{+} e^{-}$ annihilations at $\sqrt{s}$=183 GeV (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Aldeweireld, 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...

Search for Leptoquarks and FCNC in $e^{+} e^{-}$ annihilations at $\sqrt{s}$=183 GeV (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Aldeweireld, 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...

The Scale Dependence of the Hadron Multiplicity in Quark and Gluon Jets and a Precise Determination of ${\rm C_A/C_F}$ (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

\newcommand{\cacf} {\ifmmode{C_A/C_F} \else{$C_A/C_F$}\fi} Data collected at the Z resonance using the DELPHI detector at LEP are used to determine the charged hadron multiplicity in gluon and quark...

The Scale Dependence of the Hadron Multiplicity in Quark and Gluon Jets and a Precise Determination of ${\rm C_A/C_F}$ (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

\newcommand{\cacf} {\ifmmode{C_A/C_F} \else{$C_A/C_F$}\fi} Data collected at the Z resonance using the DELPHI detector at LEP are used to determine the charged hadron multiplicity in gluon and quark...

The Scale Dependence of the Hadron Multiplicity in Quark and Gluon Jets and a Precise Determination of ${\rm C_A/C_F}$ (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

\newcommand{\cacf} {\ifmmode{C_A/C_F} \else{$C_A/C_F$}\fi} Data collected at the Z resonance using the DELPHI detector at LEP are used to determine the charged hadron multiplicity in gluon and quark...

Search for charginos nearly mass-degenerate with the lightest neutralino (2006)

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 forward backward asymmetry of c and b quarks at the Z pole using reconstructed D mesons (2006)

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...

Search for lightest neutralino and stau pair production in light gravitino scenarios with stau NLSP (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Aldeweireld, 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...

Search for lightest neutralino and stau pair production in light gravitino scenarios with stau NLSP (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Aldeweireld, 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...

Measurement of the forward backward asymmetry of c and b quarks at the Z pole using reconstructed D mesons (2006)

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...

Search for charginos nearly mass-degenerate with the lightest neutralino (2006)

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...

Search for lightest neutralino and stau pair production in light gravitino scenarios with stau NLSP (2006)

Abreu, P., Adam, W., Adye, T., Adzic, P., Aldeweireld, 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...

Measurement of the forward backward asymmetry of c and b quarks at the Z pole using reconstructed D mesons (2006)

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...

Search for charginos nearly mass-degenerate with the lightest neutralino (2006)

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...

A study of the hadronic resonance structure in the decay $\tau \rightarrow 3 \pi \nu_{\tau}$ (2006)

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...

Single Intermediate Vector Boson Production in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 and 189 GeV (2006)

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...

Single Intermediate Vector Boson Production in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 and 189 GeV (2006)

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...

Single Intermediate Vector Boson Production in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 and 189 GeV (2006)

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...

Precision Electroweak Measurements on the Z Resonance (2005)

Schael, S, Barate, R, Brunelière, R, Buskulic, Damir, De Bonis, I, Décamp, D, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

Precision Electroweak Measurements on the Z Resonance (2005)

Schael, S, Barate, R, Brunelière, R, Buskulic, Damir, De Bonis, I, Décamp, D, ...

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17...

The ATLAS Silicon Pixel Sensors (2003)

Alam, M S, Ciocio, A, Einsweiler, K F, Emes, J, Gilchriese, M G D, Joshi, A, ...

Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...

A Measurement of Lorentz Angle and Spatial Resolution of Radiation Hard Silicon Pixel Sensors (2003)

Gorelov, I, Gorfine, G W, Hoeferkamp, M, Seidel, S C, Ciocio, A, Einsweiler, Kevin F, ...

Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...

A CVD Diamond Beam Telescope for Charged Particle Tracking (2002)

Adam, W, Berdermann, E, Bergonzo, P, De Boer, W, Bogani, F, Borchi, E, ...

CVD diamond is a radiation hard sensor material which may be used for charged particle tracking near the interaction region in experiments at high luminosity colliders. The goal of the work described...

A measurement of Lorentz angle and spatial resolution of radiation hard silicon pixel sensors (2002)

Gorelov, I., Gorfine, G., Hoeferkamp, M., Seidel, S C., Ciocio, A., Einsweiler, K., ...

Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...

Performance of irradiated CVD diamond micro-strip sensors (2002)

Adam, W., Berdermann, E., Bergonzo, P., Bertuccio, G., Bogani, F., Borchi, E., ...

CVD diamond detectors are of interest for charged particle detection and tracking due to their high radiation tolerance. In this article we present, for the first time, beam test results from...

A CVD Diamond Beam Telescope for Charged Particle Tracking (2002)

Adam, W, Berdermann, E, Bergonzo, P, De Boer, W, Bogani, F, Borchi, E, ...

CVD diamond is a radiation hard sensor material which may be used for charged particle tracking near the interaction region in experiments at high luminosity colliders. The goal of the work described...

A measurement of Lorentz angle and spatial resolution of radiation hard silicon pixel sensors (2002)

Gorelov, I., Gorfine, G., Hoeferkamp, M., Seidel, S C., Ciocio, A., Einsweiler, K., ...

Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...

Performance of irradiated CVD diamond micro-strip sensors (2002)

Adam, W., Berdermann, E., Bergonzo, P., Bertuccio, G., Bogani, F., Borchi, E., ...

CVD diamond detectors are of interest for charged particle detection and tracking due to their high radiation tolerance. In this article we present, for the first time, beam test results from...

A CVD Diamond Beam Telescope for Charged Particle Tracking (2002)

Adam, W, Berdermann, E, Bergonzo, P, De Boer, W, Bogani, F, Borchi, E, ...

CVD diamond is a radiation hard sensor material which may be used for charged particle tracking near the interaction region in experiments at high luminosity colliders. The goal of the work described...

A measurement of Lorentz angle and spatial resolution of radiation hard silicon pixel sensors (2002)

Gorelov, I., Gorfine, G., Hoeferkamp, M., Seidel, S C., Ciocio, A., Einsweiler, K., ...

Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...

Performance of irradiated CVD diamond micro-strip sensors (2002)

Adam, W., Berdermann, E., Bergonzo, P., Bertuccio, G., Bogani, F., Borchi, E., ...

CVD diamond detectors are of interest for charged particle detection and tracking due to their high radiation tolerance. In this article we present, for the first time, beam test results from...

A measurement of Lorentz angle and spatial resolution of radiation hard silicon pixel sensors (2002)

Gorelov, I., Gorfine, G., Hoeferkamp, M., Seidel, S C., Ciocio, A., Einsweiler, K., ...

Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...

A CVD Diamond Beam Telescope for Charged Particle Tracking (2002)

Adam, W, Berdermann, E, Bergonzo, P, De Boer, W, Bogani, F, Borchi, E, ...

CVD diamond is a radiation hard sensor material which may be used for charged particle tracking near the interaction region in experiments at high luminosity colliders. The goal of the work described...

Performance of irradiated CVD diamond micro-strip sensors (2002)

Adam, W., Berdermann, E., Bergonzo, P., Bertuccio, G., Bogani, F., Borchi, E., ...

CVD diamond detectors are of interest for charged particle detection and tracking due to their high radiation tolerance. In this article we present, for the first time, beam test results from...

A measurement of Lorentz angle and spatial resolution of radiation hard silicon pixel sensors (2002)

Gorelov, I., Gorfine, G., Hoeferkamp, M., Seidel, S C., Ciocio, A., Einsweiler, K., ...

Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...

A CVD Diamond Beam Telescope for Charged Particle Tracking (2002)

Adam, W, Berdermann, E, Bergonzo, P, De Boer, W, Bogani, F, Borchi, E, ...

CVD diamond is a radiation hard sensor material which may be used for charged particle tracking near the interaction region in experiments at high luminosity colliders. The goal of the work described...

Performance of irradiated CVD diamond micro-strip sensors (2002)

Adam, W., Berdermann, E., Bergonzo, P., Bertuccio, G., Bogani, F., Borchi, E., ...

CVD diamond detectors are of interest for charged particle detection and tracking due to their high radiation tolerance. In this article we present, for the first time, beam test results from...

A CVD diamond beam telescope for charged particle tracking (2001)

Adam, W, Berdermann, E, Bergonzo, P, De Boer, Wim, Bogani, F, Borchi, E, ...

CVD diamond is a radiation hard sensor material which may be used for charged particle tracking near the interaction region in experiments at high luminosity colliders. The goal of the work described...

Single Intermediate Vector Boson Production in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 and 189 GeV (2001)

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...

Single Intermediate Vector Boson Production in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 and 189 GeV (2001)

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...

A Measurement of Lorentz Angle and Spatial Resolution of Radiation Hard Silicon Pixel Sensors (2001)

Gorelov, I V, Gorfine, G W, Hoeferkamp, M, Seidel, S C, Ciocio, A, Einsweiler, Kevin F, ...

Silicon pixel sensors developed by the ATLAS collaboration to meet LHC requirements and to withstand hadronic irradiation to fluences of up to $10^{15} n_eq/cm^{2}$ have been evaluated using a test...

Measurement of the Mass and Width of the W Boson in $e^+ e^-$ Collisions at $\sqrt{s}$ = 189 GeV (2001)

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^{*+}...

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...

Measurement of Trilinear Gauge Boson Couplings $WWV, (V \equiv Z, \gamma)$ in $e^+ e^-$ Collisions at 189 GeV (2001)

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...

Update of the search for supersymmetric particles in scenarios with Gravitino LSP and Sleptons NLSP (2001)

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...

Single Intermediate Vector Boson Production in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 and 189 GeV (2001)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

Abstract: 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...

A Measurement of the Tau Topological Branching Ratios (2001)

Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., ...

Abstract: 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...

Measurement of the Mass and Width of the W Boson in e$^+$e$^-$ Collisions at $\sqrt(s)$ = 189 GeV (2001)

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...

The ATLAS silicon pixel sensors (2001)

Alam, M S., Ciocio, A., Einsweiler, K., Emes, J., Gilchriese, M G D., Joshi, A., ...

Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...

Single Intermediate Vector Boson Production in $e^+ e^-$ collisions at $\sqrt{s}$ = 183 and 189 GeV (2001)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

Abstract: 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...

A Measurement of the Tau Topological Branching Ratios (2001)

Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., ...

Abstract: 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...

Measurement of the Mass and Width of the W Boson in e$^+$e$^-$ Collisions at $\sqrt(s)$ = 189 GeV (2001)

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...

The ATLAS silicon pixel sensors (2001)

Alam, M S., Ciocio, A., Einsweiler, K., Emes, J., Gilchriese, M G D., Joshi, A., ...

Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...

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...

Measurement of the Mass and Width of the W Boson in e$^+$e$^-$ Collisions at $\sqrt(s)$ = 189 GeV (2001)

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...

The ATLAS silicon pixel sensors (2001)

Alam, M S., Ciocio, A., Einsweiler, K., Emes, J., Gilchriese, M G D., Joshi, A., ...

Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...

Measurement of the Mass and Width of the W Boson in e$^+$e$^-$ Collisions at $\sqrt(s)$ = 189 GeV (2001)

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...

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...

The ATLAS silicon pixel sensors (2001)

Alam, M S., Ciocio, A., Einsweiler, K., Emes, J., Gilchriese, M G D., Joshi, A., ...

Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...

Measurement of the Mass and Width of the W Boson in e$^+$e$^-$ Collisions at $\sqrt(s)$ = 189 GeV (2001)

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...

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...

The ATLAS silicon pixel sensors (2001)

Alam, M S., Ciocio, A., Einsweiler, K., Emes, J., Gilchriese, M G D., Joshi, A., ...

Prototype sensors for the ATLAS silicon pixel detector have been developed. The design of the sensors is guided by the need to operate them in the severe LHC radiation environment at up to several...

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...

Study of Dimuon Production in Photon-Photon Collisions and Measurement of QED Photon Structure Functions at LEP (2000)

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...

Search for R-parity violation with a $\overline{U}\overline{D}\overlin e{D}$ coupling at $\sqrt{s}$=189 GeV (2000)

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...

A search for invisible Higgs bosons produced in $e^{+} e^{-}$ interactions up to $\sqrt{s}$ = 189 GeV (2000)

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

Study of $B^0_s - \overline{B^0_s}$ oscillations and $B^0_s$ lifetimes using hadronic decays of $B^0_s$ mesons (2000)

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...

Performance of irradiated CVD diamond micro-strip sensors (2000)

Adam, W, Berdermann, E, Bergonzo, P, Bertuccio, G, Bogani, F, Borchi, E, ...

CVD diamond detectors are of interest for charged particle detection and tracking due to their high radiation tolerance. In this article we present, for the first time, beam test results from...

Determination of the $e^+ e^- \to \gamma \gamma(\gamma)$ cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV (2000)

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 $M$...

Measurement of the $B^0_s$ Lifetime and Study of $B^0_s - \overline{B^0_s}$ Oscillations using $D_{s}l$ Events (2000)

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...

W pair production cross-section and W branching fractions in $e^{+}e^{-}$ interactions at 189 GeV (2000)

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...

Micro-strip sensors based on CVD Diamond (2000)

Adam, W, Berdermann, E, Bergonzo, P, Bertuccio, G, Bogani, F, Borchi, E, ...

In this article we present the performance of recent chemical vapour deposition (CVD) diamond micro-strip sensors in beam tests. In addition we present the first comparison of a CVD diamond...

Micro-strip sensors based on CVD Diamond (2000)

Adam, W, Berdermann, E, Bergonzo, P, Bertuccio, G, Bogani, F, Borchi, E, ...

In this article we present the performance of recent chemical vapour deposition (CVD) diamond micro-strip sensors in beam tests. In addition we present the first comparison of a CVD diamond...

Search for Heavy Stable and Long-Lived Particles in $e^{+}e^{-}$ Collisions at $\sqrt{s}$=189 GeV (2000)

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...

Charged and Identified Particles in the Hadronic Decay of W Bosons and in $e^{+}e^{-} \to q\overline{q}$ from 130 to 200 GeV (2000)

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...

Hadronization properties of b quarks compared to light quarks in $e^{+}e^{-} \to q\overline{q}$ from 183 to 200 GeV (2000)

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...

Pulse height distribution and radiation tolerance of CVD diamond detectors (2000)

Adam, W., Berdermann, E., Bergonzo, P., Bertuccio, G., Bogani, F., Borchi, E., ...

The paper reviews measurements of the radiation tolerance of CVD diamond for irradiation with 24 GeV/c protons, 300 MeV/c pions and 1 MeV neutrons. For proton and neutron irradiation, the measured...

Charged and Identified Particles in the Hadronic Decay of W Bosons and in $e^{+} e^{-} \to q\overline{q}$ from 130 to 200 GeV (2000)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

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 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...

Upper Limit for the Decay $B^{-} \to \tau^{-}\overline{\nu}_{\tau}$ and Measurement of the $b \to \tau\overline{\nu}_{\tau}X$ Branching Ratio (2000)

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...

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$\gamma$ followed by S decay into two gluons or into two photons was studied at 189 -...

A search for invisible Higgs bosons produced in $e^{+} e^{-}$ interactions up to $\sqrt{s}$ = 189 GeV (2000)

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...

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...

Identified Charged Particles and Resonances 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...

Determination of the $e^+ e^- \to \gamma \gamma(\gamma)$ cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV (2000)

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...

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...

Measurement of the $B^0_s$ Lifetime and Study of $B^0_s - \overline{B^0_s}$ Oscillations using $D_{s}l$ Events (2000)

Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., ...

Abstract: 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...

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., ...

Abstract: 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,...

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...

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...

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...

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...

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., ...

Abstract: 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...

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...

A Precise Measurement of the $\tau$ Polarisation at LEP-1 (2000)

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...

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...

W pair production cross-section and W branching fractions in $e^+ e^-$ interactions at 189 GeV (2000)

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...

Bier&Pastis, a pixel readout prototype chip for LHC (2000)

Berg, C., Blanquart, L., Bonzom, V., Delpierre, P A., Desch, K., Fischer, P., ...

The 12*63 pixel readout prototype chip Bieu&Pastis, designed to cope with the environment imposed on a pixel detector by high-energy proton-proton collisions as expected at the Large Hadron Collider...

Bier&Pastis, a pixel readout prototype chip for LHC (2000)

Berg, C., Blanquart, L., Bonzom, V., Delpierre, P A., Desch, K., Fischer, P., ...

The 12*63 pixel readout prototype chip Bieu&Pastis, designed to cope with the environment imposed on a pixel detector by high-energy proton-proton collisions as expected at the Large Hadron Collider...

Pixel readout electronics for LHC and biomedical applications (2000)

Blanquart, L., Bonzom, V., Comes, G., Delpierre, P A., Fischer, P., Hausmann, J., ...

The demanding requirements for pixel readout electronics for high- energy physics experiments and biomedical applications are reviewed. Some examples of the measured analog performance of prototype...

Determination of $\mid V_{ub} \mid/\mid V_{cb} \mid$ 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,...

Search for Heavy Stable and Long-Lived Particles in $e^+ e^-$ Collisions at $\sqrt{s}$=189 GeV (2000)

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...

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...

Two-dimensional analysis of the Bose-Einstein correlations in $e^+ e^-$ annihilation at the Z$^0$ peak (2000)

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...

Pulse height distribution and radiation tolerance of CVD diamond detectors (2000)

Adam, W., Berdermann, E., Bergonzo, P., Bertuccio, G., Bogani, F., Borchi, E., ...

The paper reviews measurements of the radiation tolerance of CVD diamond for irradiation with 24 GeV/c protons, 300 MeV/c pions and 1 MeV neutrons. For proton and neutron irradiation, the measured...

Charged and Identified Particles in the Hadronic Decay of W Bosons and in $e^{+} e^{-} \to q\overline{q}$ from 130 to 200 GeV (2000)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

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 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...

Upper Limit for the Decay $B^{-} \to \tau^{-}\overline{\nu}_{\tau}$ and Measurement of the $b \to \tau\overline{\nu}_{\tau}X$ Branching Ratio (2000)

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...

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$\gamma$ followed by S decay into two gluons or into two photons was studied at 189 -...

A search for invisible Higgs bosons produced in $e^{+} e^{-}$ interactions up to $\sqrt{s}$ = 189 GeV (2000)

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...

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...

Identified Charged Particles and Resonances 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...

Determination of the $e^+ e^- \to \gamma \gamma(\gamma)$ cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV (2000)

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...

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...

Measurement of the $B^0_s$ Lifetime and Study of $B^0_s - \overline{B^0_s}$ Oscillations using $D_{s}l$ Events (2000)

Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., ...

Abstract: 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...

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., ...

Abstract: 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,...

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...

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...

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...

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...

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., ...

Abstract: 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...

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...

A Precise Measurement of the $\tau$ Polarisation at LEP-1 (2000)

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...

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...

W pair production cross-section and W branching fractions in $e^+ e^-$ interactions at 189 GeV (2000)

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...

Bier&Pastis, a pixel readout prototype chip for LHC (2000)

Berg, C., Blanquart, L., Bonzom, V., Delpierre, P A., Desch, K., Fischer, P., ...

The 12*63 pixel readout prototype chip Bieu&Pastis, designed to cope with the environment imposed on a pixel detector by high-energy proton-proton collisions as expected at the Large Hadron Collider...

Bier&Pastis, a pixel readout prototype chip for LHC (2000)

Berg, C., Blanquart, L., Bonzom, V., Delpierre, P A., Desch, K., Fischer, P., ...

The 12*63 pixel readout prototype chip Bieu&Pastis, designed to cope with the environment imposed on a pixel detector by high-energy proton-proton collisions as expected at the Large Hadron Collider...

Pixel readout electronics for LHC and biomedical applications (2000)

Blanquart, L., Bonzom, V., Comes, G., Delpierre, P A., Fischer, P., Hausmann, J., ...

The demanding requirements for pixel readout electronics for high- energy physics experiments and biomedical applications are reviewed. Some examples of the measured analog performance of prototype...

Determination of $\mid V_{ub} \mid/\mid V_{cb} \mid$ 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,...

Search for Heavy Stable and Long-Lived Particles in $e^+ e^-$ Collisions at $\sqrt{s}$=189 GeV (2000)

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...

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...

Two-dimensional analysis of the Bose-Einstein correlations in $e^+ e^-$ annihilation at the Z$^0$ peak (2000)

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...

Charged and Identified Particles in the Hadronic Decay of W Bosons and in $e^{+} e^{-} \to q\overline{q}$ from 130 to 200 GeV (2000)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

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 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...

Upper Limit for the Decay $B^{-} \to \tau^{-}\overline{\nu}_{\tau}$ and Measurement of the $b \to \tau\overline{\nu}_{\tau}X$ Branching Ratio (2000)

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...

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$\gamma$ followed by S decay into two gluons or into two photons was studied at 189 -...

A search for invisible Higgs bosons produced in $e^{+} e^{-}$ interactions up to $\sqrt{s}$ = 189 GeV (2000)

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...

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...

Identified Charged Particles and Resonances 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...

Determination of the $e^+ e^- \to \gamma \gamma(\gamma)$ cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV (2000)

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...

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...

Measurement of the $B^0_s$ Lifetime and Study of $B^0_s - \overline{B^0_s}$ Oscillations using $D_{s}l$ Events (2000)

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...

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 $M$...

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...

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...

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...

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...

A Precise Measurement of the $\tau$ Polarisation at LEP-1 (2000)

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...

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...

W pair production cross-section and W branching fractions in $e^+ e^-$ interactions at 189 GeV (2000)

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...

Determination of $\mid V_{ub} \mid/\mid V_{cb} \mid$ 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,...

Search for Heavy Stable and Long-Lived Particles in $e^+ e^-$ Collisions at $\sqrt{s}$=189 GeV (2000)

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...

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...

Two-dimensional analysis of the Bose-Einstein correlations in $e^+ e^-$ annihilation at the Z$^0$ peak (2000)

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...

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...

Determination of the $e^+ e^- \to \gamma \gamma(\gamma)$ cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV (2000)

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...

Two-dimensional analysis of the Bose-Einstein correlations in $e^+ e^-$ annihilation at the Z$^0$ peak (2000)

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...

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...

W pair production cross-section and W branching fractions in $e^+ e^-$ interactions at 189 GeV (2000)

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...

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...

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...

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...

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$^{-}$...

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...

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 $M$...

Measurement of the $B^0_s$ Lifetime and Study of $B^0_s - \overline{B^0_s}$ Oscillations using $D_{s}l$ Events (2000)

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...

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...

Identified Charged Particles and Resonances 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...

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...

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$\gamma$ followed by S decay into two gluons or into two photons was studied at 189 -...

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...

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...

Charged and Identified Particles in the Hadronic Decay of W Bosons and in $e^{+} e^{-} \to q\overline{q}$ from 130 to 200 GeV (2000)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., ...

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...

Upper Limit for the Decay $B^{-} \to \tau^{-}\overline{\nu}_{\tau}$ and Measurement of the $b \to \tau\overline{\nu}_{\tau}X$ Branching Ratio (2000)

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...

A search for invisible Higgs bosons produced in $e^{+} e^{-}$ interactions up to $\sqrt{s}$ = 189 GeV (2000)

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...

A Precise Measurement of the $\tau$ Polarisation at LEP-1 (2000)

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...

Determination of $\mid V_{ub} \mid/\mid V_{cb} \mid$ 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,...

Search for Heavy Stable and Long-Lived Particles in $e^+ e^-$ Collisions at $\sqrt{s}$=189 GeV (2000)

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...

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...

Determination of the $e^+ e^- \to \gamma \gamma(\gamma)$ cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV (2000)

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...

Two-dimensional analysis of the Bose-Einstein correlations in $e^+ e^-$ annihilation at the Z$^0$ peak (2000)

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...

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...