M. Wielers

Publication List Details

Period

1993 - 2008

Number

694

Co-Authors

Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)

Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...

A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...

THE ATLAS HIGH LEVEL TRIGGER GROUP ∗ (2008)

S. Armstrong, J. T. Baines, C. P. Bee, M. Biglietti, A. Bogaerts, V. Boisvert, ...

Given the extremely high bunch crossing rate foreseen at the Large Hadron Collider (LHC) and the general-purpose nature of the ATLAS particle physics experiment, after the hardware-based first level...

Integration of the Trigger and Data Acquisition Systems in ATLAS (2008)

Abolins, M, Adragna, P, Aleksandrov, E, Aleksandrov, I, Amorim, A, Anderson, K, ...

During 2006 and the first half of 2007, the installation, integration and commissioning of trigger and data acquisition (TDAQ) equipment in the ATLAS experimental area have progressed. There have...

Construction, assembly and testing of the ATLAS hadronic end-cap calorimeter (2007)

Gingrich, D M, Lachat, G, Pinfold, J L, Soukup, J, Axen, D, Cojocaru, C, ...

The construction and assembly of the four wheels of the ATLAS hadronic end-cap calorimeter and their insertion into the two end-cap cryostats are described. The results of the qualification tests...

Hadronic Calibration of the ATLAS Liquid Argon End-Cap Calorimeter in the Pseudorapidity Region 1.6 < $|\eta|$ < 1.8 in Beam Tests (2007)

Cojocaru, C., Pinfold, J., Soukup, J., Vincter, M., Datskov, V., Fedorov, A., ...

A full azimuthal phi-wedge of the ATLAS liquid argon end-cap calorimeter has been exposed to beams of electrons, muons and pions in the energy range 6 GeV

W and Z Production: cross-section and asymmetries (2006)

Wielers, M

The LHC will be a W and factory. These processes will be important channels to test the SM model as well as doing precision measurements. A precise knowledge is needed for searches for new particles...

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...

Implementation and performance of a tau lepton selection within the ATLAS trigger system at the LHC (2006)

Casado, M P, Dos Anjos, A, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS experiment at the Large Hadron Collider (LHC) has an interaction rate of up to $10^9$ Hz. The trigger must efficiently select interesting events while rejecting the large amount of...

Implementation and Performance of the Seeded Reconstruction for the ATLAS Event Filter Selection Software (2006)

Santamarina, C., Conde-Muino, P., Dos Anjos, A., Armstrong, S., Baines, J. T. M., Bee, C. P., ...

ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...

Hadron energy reconstruction for the ATLAS calorimetry in the framework of the non-parametrical method (2006)

Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...

This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...

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...

Implementation and Performance of the Seeded Reconstruction for the ATLAS Event Filter Selection Software (2006)

Santamarina, C., Conde-Muino, P., Dos Anjos, A., Armstrong, S., Baines, J. T. M., Bee, C. P., ...

ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Implementation and performance of the third level muon trigger of the ATLAS experiment at LHC (2006)

Armstrong, S., A. Assamagan, K., P. Bee, C., Bellomo, M., Biglietti, M., ...

The trigger system of the ATLAS experiment at the LHC aims at a high selectivity in order to keep the full physics potential while reducing the 40 MHz initial event rate imposed by the LHC bunch...

Deployment of the ATLAS High-Level Trigger (2006)

Dos Anjos, A., Armstrong, S., P. Beck, H., Bee, C.P., Biglietti, M., ...

The ATLAS combined test beam in the second half of 2004 saw the first deployment of the ATLAS High-Level Trigger (HLT). The next steps are deployment on the pre-series farms in the experimental area...

Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC (2005)

Goncalo, R, Armstrong, S, Baines, J T M, Casado, M P, Clark, A, Conde-Muíño, P, ...

The ATLAS experiment is one of two general purpose experiments to start running at the Large Hadron Collider in 2007. The short bunch crossing period of 25ns and the large background of...

Hadronic calibration of the ATLAS liquid argon end-cap calorimeter in the pseudorapidity region 1.6 (2005)

Cojocaru, C, Pinfold, J L, Soukup, J, Vincter, M G, Datskov, V I, Fedorov, A, ...

A full azimuthal phi-wedge of the ATLAS liquid argon end-cap calorimeter has been exposed to beams of electrons, muons and pions in the energy range 6 GeV

Implementation and Performance of the Seeded Reconstruction for the ATLAS Event Filter Selection Software (2005)

Santamarina-Rios, C, Conde-Muíño, P, Dos Anjos, A, Armstrong, S, Baines, J T M, Bee, C P, ...

ATLAS is one of the four LHC experiments that will start data taking in 2007, designed to cover a wide range of physics topics. The ATLAS trigger system has to cope with a rate of 40 MHz and 23...

Overview of the High-Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC (2005)

Gesualdi-Mello, A, Anjos, A, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center-of-mass energy, whilst...

Implementation and Performance of the High Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC (2005)

Schiavi, C, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and Performance of the High Level Trigger Electron and Photon Selection for the ATLAS Experiment at the LHC (2005)

Schiavi, C, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

A Level-2 trigger algorithm for the identification of muons in the ATLAS Muon Spectrometer (2005)

Di Mattia, A, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS Level-2 trigger provides a software-based event selection after the initial Level-1 hardware trigger. For the muon events, the selection is decomposed in a number of broad steps: first, the...

A Level-2 trigger algorithm for the identification of muons in the ATLAS Muon Spectrometer (2005)

Di Mattia, A, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

The ATLAS Level-2 trigger provides a software-based event selection after the initial Level-1 hardware trigger. For the muon events, the selection is decomposed in a number of broad steps: first, the...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Design, deployment and functional tests of the online event filter for the ATLAS experiment at LHC (2005)

Armstrong, S., Dos Anjos, A., P. Bee, C., Biglietti, M., A. Bogaerts, J., ...

The Event Filter (EF) selection stage is a fundamental component of the ATLAS Trigger and Data Acquisition architecture. Its primary function is the reduction of data flow and rate to values...

Portable Gathering System for Monitoring and Online Calibration at ATLAS (2004)

Conde-Muíño, P, Armstrong, S, Dos Anjos, A, Baines, J T M, Bee, C P, Biglietti, M, ...

During the runtime of any experiment, a central monitoring system that detects problems as soon as they appear has an essential role. In a large experiment, like ATLAS, the online data acquisition...

A Step Towards A Computing Grid For The LHC Experiments: ATLAS Data Challenge 1 (2004)

Sturrock, R, Bischof, R, Epp, B, Ghete, V M, Kuhn, D, Mello, A G, ...

The ATLAS Collaboration at CERN is preparing for the data taking and analysis at the LHC that will start in 2007. Therefore, a series of Data Challenges was started in 2002 whose goals are the...

Hadronic Calibration of the ATLAS Liquid Argon End-Cap Calorimeter in the Pseudorapidity Region 1.6 < |eta| < 1.8 in Beam Tests (2004)

Cojocaru, C., Pinfold, J., Soukup, J., Vincter, M., Datskov, V., Fedorov, A., ...

A full azimuthal phi-wedge of the ATLAS liquid argon end-cap calorimeter has been exposed to beams of electrons, muons and pions in the energy range 6 GeV

Hadronic Calibration of the ATLAS Liquid Argon End-Cap Calorimeter in the Pseudorapidity Region 1.6 < |eta| < 1.8 in Beam Tests (2004)

Cojocaru,C., Pinfold,J., Soukup,J., Vincter,M., Datskov,V., Fedorov,A., ...

A full azimuthal phi-wedge of the ATLAS liquid argon end-cap calorimeter has been exposed to beams of electrons, muons and pions in the energy range 6 GeV

Hadronic Calibration of the ATLAS Liquid Argon End-Cap Calorimeter in the Pseudorapidity Region 1.6 < |eta| < 1.8 in Beam Tests (2004)

Cojocaru, C., Pinfold, J., Soukup, J., Vincter, M., Datskov, V., Fedorov, A., ...

A full azimuthal phi-wedge of the ATLAS liquid argon end-cap calorimeter has been exposed to beams of electrons, muons and pions in the energy range 6 GeV

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

Implementation and performance of the high level trigger electron and photon selection for the ATLAS experiment at the LHC (2004)

Armstrong, S., Anjos, A.D., Baines, J.T.M., Bee, C.P., Biglietti, M., Bogaerts, J.A., ...

The ATLAS experiment at the Large Hadron Collider (LHC) will face the challenge of efficiently selecting interesting candidate events in pp collisions at 14 TeV center of mass energy, while rejecting...

Implementation and performance of the event filter muon selection for the ATLAS experiment at LHC (2004)

Ventura, A., Armstrong, S., Assamagan, A., Baines, J.T.M., Bee, C.P., Bellomo, M., ...

The ATLAS trigger system is composed of three levels: an initial hardware trigger level (LVL1) followed by two software-based stages (LVL2 trigger and event filter) included in the high level trigger...

The second level trigger of the ATLAS experiment at CERN's LHC (2004)

Dos Anjos, A., Abolins, M., Armstrong, S., T. Baines, J., Barisonzi, M., P. Beck, H., ...

The ATLAS trigger reduces the rate of interesting events to be recorded for off-line analysis in three successive levels from 40 MHz to /spl sim/100 kHz, /spl sim/2 kHz and /spl sim/200 Hz. The high...

Studies for a common selection software environment in ATLAS: from the level-2 trigger to the offline reconstruction (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

The ATLAS High Level Trigger's (HLT) primary function of event selection will be accomplished with a Level-2 trigger farm and an event filter (EF) farm, both running software components developed in...

Algorithms for the ATLAS high-level trigger (2004)

Armstrong, S., T. Baines, J., Bee, C.P., Biglietti, M., Bogaerts, A., Boisvert, V., ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

An Overview of the ATLAS High Level Trigger Dataflow and Supervision (2003)

Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter (EF)....

An Overview of Algorithms for the ATLAS High Level Trigger (2003)

Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, Boisvert, V, ...

Following rigorous software design and analysis methods, an object-based architecture has been developed to derive the second- and third-level trigger decisions for the future ATLAS detector at the...

Performance of the ATLAS Hadronic End-Cap Calorimeter in Beam Tests (2003)

Dowler, B, Pinfold, J L, Soukup, J, Vincter, M G, Cheplakov, A P, Datskov, V I, ...

Modules of the ATLAS liquid argon Hadronic End-cap calorimeter (HEC) were exposed to beams of electrons, muons and pions in the energy range 6GeV

Studies for a common selection software environment in ATLAS: from the Level-2 Trigger to the offline reconstruction (2003)

Wiedenmann, W, Armstrong, S R, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The Atlas High Level Trigger's primary function of event selection will be accomplished with a Level-2 trigger farm and an Event Filter farm, both running software components developed in the Atlas...

Architecture of the ATLAS High Level Trigger Event Selection Software (2003)

Grothe, M, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) consists of two selection steps: the second level trigger and the event filter. Both will be implemented in software, running on mostly commodity hardware. Both...

Architecture of the ATLAS High Level Trigger Event Selection Software (2003)

Grothe, M, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) consists of two selection steps: the second level trigger and the event filter. Both will be implemented in software, running on mostly commodity hardware. Both...

The Algorithm Steering and Trigger Decision mechanism of the ATLAS High Level Trigger (2003)

Comune, G, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

Given the extremely high output rate foreseen at LHC and the general-purpose nature of ATLAS experiment, an efficient and flexible way to select events in the High Level Trigger is needed. An...

The Algorithm Steering and Trigger Decision mechanism of the ATLAS High Level Trigger (2003)

Comune, G, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

Given the extremely high output rate foreseen at LHC and the general-purpose nature of ATLAS experiment, an efficient and flexible way to select events in the High Level Trigger is needed. An...

Supervision of the ATLAS High Level Trigger System (2003)

Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter. The HLT...

Supervision of the ATLAS High Level Trigger System (2003)

Wheeler, S, Armstrong, S, Baines, J T M, Bee, C P, Biglietti, M, Bogaerts, A, ...

The ATLAS High Level Trigger (HLT) system provides software-based event selection after the initial LVL1 hardware trigger. It is composed of two stages, the LVL2 trigger and the Event Filter. The HLT...

Performance of the ATLAS Electromagnetic Calorimeter End-cap Module 0 (2003)

Aubert, Bernard, Abouelouafa, M, Alexa, C, Astesan, F, Augé, E, Aulchenko, V M, ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the ATLAS electromagnetic calorimeter barrel module 0 (2003)

Aubert, Bernard, Abouelouafa, M, Alexa, C, Astesan, F, Augé, E, Aulchenko, V M, ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Performance of the Atlas electromagnetic calorimeter barrel module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and performance of the barrel pre-series module 0 of the future ATLAS electromagnetic calorimeter at the LHC is described. The signal reconstruction and performance of ATLAS-like...

Performance of the ATLAS electromagnetic calorimeter end-cap module 0 (2003)

Aubert, B., Ballansat, J., Bazan, A., Beaugiraud, B., Boniface, J., Chollet, F., ...

The construction and beam test results of the ATLAS electromagnetic end-cap calorimeter pre-production module 0 are presented. The stochastic term of the energy resolution is between 10% GeV^1/2 and...

Hadron energy reconstruction for the ATLAS calorimetry in the framework of the non-parametrical method (2002)

Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...

This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...

Hadron energy reconstruction for the ATLAS calorimetry in the framework of the non-parametrical method (2002)

Akhmadaliev, S., Amaral, P., Ambrosini, G., Amorim, A., Anderson, K., Andrieux, M.L., ...

This paper discusses hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter (consisting of a lead-liquid argon electromagnetic part and an iron-scintillator hadronic part)...

Performance of the ATLAS hadronic end-cap calorimeter in beam tests (2002)

Dowler,B., Pinfold,J., Soukup,J., Vincter,M., Cheplakov,A., Datskov,V., ...

Modules of the ATLAS liquid argon Hadronic End-cap Calorimeter (HEC) were exposed to beams of electrons, muons and pions in the energy range 6

Performance of the ATLAS hadronic end-cap calorimeter in beam tests (2002)

Dowler, B., Pinfold, J., Soukup, J., Vincter, M., Cheplakov, A., Datskov, V., ...

Modules of the ATLAS liquid argon Hadronic End-cap Calorimeter (HEC) were exposed to beams of electrons, muons and pions in the energy range 6

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Object oriented reconstruction and particle identification in the ATLAS calorimeter (2001)

Caron, B., Collot, J., Frank, E., Gupta, A., Loch, P., Ma, H., ...

The reconstruction and subsequent particle identification is a challenge in a complex and a high luminosity environment such as those expected in the ATLAS detector at the LHC. The ATLAS software has...

Sensitivity study for new gauge bosons and right-handed Majorana neutrinos in pp collisions at $\sqrt s$ = 14 TeV (2000)

Ferrari, A., Collot, J., Andrieux, M.L., Belhorma, B., Saintignon, P. De, Hostachy, J.Y., ...

In the theoretical framework of the left-right symmetric model, we report on the discovery potential for new charged gauge bosons (W/sub R//sup +/ and W/sub R//sup -/) as well as right-handed...

Sensitivity study for new gauge bosons and right-handed Majorana neutrinos in pp collisions at $\sqrt s$ = 14 TeV (2000)

Ferrari, A., Collot, J., Andrieux, M.L., Belhorma, B., Saintignon, P. De, Hostachy, J.Y., ...

In the theoretical framework of the left-right symmetric model, we report on the discovery potential for new charged gauge bosons (W/sub R//sup +/ and W/sub R//sup -/) as well as right-handed...

Development of an analogue optical link for the front-end read-out of the ATLAS electromagnetic calorimeter (1999)

Dinkespiler, B, Jevaud, M, Olivetto, C, Martin, O, Mirea, A, Monnier, E, ...

We have developed an analogue optical data transmission system intended to meet the read-out requirements of the ATLAS liquid argon electromagnetic calorimeter. Eight-way demonstrators have been...

Measurement of the Quark and Gluon Fragmentation Functions in Z$^0$ Hadronic Decays (1999)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in $e^+e^-$ collisions at LEP. As in deep inelastic...

Measurement of the Quark and Gluon Fragmentation Functions in Z$^0$ Hadronic Decays (1999)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in $e^+e^-$ collisions at LEP. As in deep inelastic...

Measurement of the Quark and Gluon Fragmentation Functions in Z$^0$ Hadronic Decays (1999)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in $e^+e^-$ collisions at LEP. As in deep inelastic...

Measurement of the Quark and Gluon Fragmentation Functions in Z$^0$ Hadronic Decays (1999)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in $e^+e^-$ collisions at LEP. As in deep inelastic...

Measurement of the Quark and Gluon Fragmentation Functions in Z$^0$ Hadronic Decays (1999)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

The transverse, longitudinal and asymmetric components of the fragmentation function are measured from the inclusive charged particles produced in $e^+e^-$ collisions at LEP. As in deep inelastic...

Investigation of the splitting of quark and gluon jets (1998)

Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, G D, ...

The splitting processes in identified quark and gluon jets are investigated using longitudinal and transverse observables. The jets are selected from symmetric three-jet events measured in Z decays L...

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...

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...

Search for charginos, neutralinos and gravitinos at LEP (1998)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...

Rapidity Correlations in $\Lambda$ Baryon and Proton Production in Hadronic Z$^0$ Decays (1998)

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....

Charged Particle Multiplicity in $e^+ e^- \rightarrow q \overline{q}$ events at 161 and 172 GeV and from the Decay of the W Boson (1998)

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...

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

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

Search for neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV (1998)

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 neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV (1998)

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 charginos, neutralinos and gravitinos at LEP (1998)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...

Rapidity Correlations in $\Lambda$ Baryon and Proton Production in Hadronic Z$^0$ Decays (1998)

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....

Charged Particle Multiplicity in $e^+ e^- \rightarrow q \overline{q}$ events at 161 and 172 GeV and from the Decay of the W Boson (1998)

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...

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

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

Search for neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV (1998)

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 neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV (1998)

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 charginos, neutralinos and gravitinos at LEP (1998)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...

Rapidity Correlations in $\Lambda$ Baryon and Proton Production in Hadronic Z$^0$ Decays (1998)

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....

Charged Particle Multiplicity in $e^+ e^- \rightarrow q \overline{q}$ events at 161 and 172 GeV and from the Decay of the W Boson (1998)

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...

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

Search for neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV (1998)

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...

Rapidity Correlations in $\Lambda$ Baryon and Proton Production in Hadronic Z$^0$ Decays (1998)

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....

Search for neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV (1998)

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...

Charged Particle Multiplicity in $e^+ e^- \rightarrow q \overline{q}$ events at 161 and 172 GeV and from the Decay of the W Boson (1998)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...

Search for charginos, neutralinos and gravitinos at LEP (1998)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...

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

Rapidity Correlations in $\Lambda$ Baryon and Proton Production in Hadronic Z$^0$ Decays (1998)

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....

Search for neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV (1998)

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...

Charged Particle Multiplicity in $e^+ e^- \rightarrow q \overline{q}$ events at 161 and 172 GeV and from the Decay of the W Boson (1998)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in $q\bar{q}$ events at centre-of-mass energies of $\sqrt{s}=161$~GeV and...

Search for charginos, neutralinos and gravitinos at LEP (1998)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except...

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

Charged-particle multiplicity in $e^+ e^- \rightarrow q \overline{q}$ events at 161 and 172 GeV and from the decay of the W boson (1997)

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...

Search for neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}= 161 GeV$ and $172 GeV$ (1997)

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...

Measurement of the spin density matrix for the $\rho^0$, $K^{*0}(892)$ and $\phi$ produced in $Z^0$ Decays (1997)

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...

A study of the reaction $e^+ e^- \rightarrow \mu^+ \mu^-\gamma_{ISR}$ at LEP and search for new physics at annihilation energies near 80 GeV (1997)

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...

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}...

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....

Measurement and interpretation of the W-pair cross-section in $e^+ e^-$ interactions at 161 GeV (1997)

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,...

Search for Stable Heavy Charged Particles in $e^+ e^-$ Collisions at $\sqrt{s}$ = 130-136, 161 and 172 GeV (1997)

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 (1997)

Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...

A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...

Search for new phenomena using single photon events at Lep1 (1997)

Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...

Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...

Search for Neutral Heavy Leptons Produced in Z Decays (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...

Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

Inclusive charged particle and event shape distributions are measured using 321 hadronic events collected with the DELPHI experiment at LEP at effective centre of mass energies of 130 to 136 GeV....

Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...

${B}^0_d$ meson oscillations are measured in hadronic $\Zz$ decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a $b$ or a $\overline{b}$ quark when...

Search for Lepton Flavour Number violating Z$^0$-Decays (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...

Measurement of the triple gluon vertex from double quark tagged 4-jet event (1997)

Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...

The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...

Identified particles in quark and gluon jets (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...

Search for the $B_c$ Meson (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

In a sample of 3.02 million hadronic $Z^o$ decays collected by the DELPHI detector, 270 $J/\psi \into$ \lplm candidates have been selected. A search for fully reconstructed $B_c\upm$ mesons has...

A Measurement of $\alpha_s$ from the Scaling Violation in $e^+ e^-$ Annihilation (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

Abstract: 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...

Search for Stable Heavy Charged Particles in $e^+ e^-$ Collisions at $\sqrt{s}$ = 130-136, 161 and 172 GeV (1997)

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...

Measurement of Correlations between Pions from Different W's in $e^+ e^- \rightarrow W^+ W^-$ Events (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

Correlations between pions from different Ws in $e^+e^- rightarrow$W$^+$W$^-$ events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in...

Measurement and interpretation of the W-pair cross-section in $e^+ e^-$ interactions at 161 GeV (1997)

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 $9.93 {\mathrm{~pb^{-1}}}$,...

Measurement of the Multiplicity of Gluons Splitting to Bottom Quark Pairs in Hadronic Z$^0$ Decays (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

An inclusive measurement of the average multiplicity of $b \bar b$ pairs from gluons, \gb, in hadronic $Z^0$ events collected by the DELPHI experiment at LEP, is presented. A counting technique,...

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}...

A study of the reaction $e^+ e^- \rightarrow \mu^+\mu^-\gamma_{ISR}$ at LEP and search for new physics at annihilation energies near 80 GeV (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...

Observation of charge ordering in particle production in hadronic Z$^0$ decay (1997)

Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...

Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...

Search for $B_s^0-\overline{B_s^0}$ oscillations (1997)

Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., Allport, P P., ...

Oscillations of $\mbox{B}^0_{\mathrm s}$ mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic $\Zz$ decays registered by DELPHI between 1991 and...

Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 gev (1997)

Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...

A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...

Search for new phenomena using single photon events at Lep1 (1997)

Abreu, P., Adam, W., Adye, T., Agasi, E., Ajinenko, I., Aleksan, R., ...

Data are presented on the reaction \epem~\into~\gamma + no other detected particle at center-of-mass energies, \sqs = 89.48 GeV, 91.26 GeV and 93.08 GeV. The cross section for this reaction is...

Search for Neutral Heavy Leptons Produced in Z Decays (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

Weak isosinglet Neutral Heavy Leptons ($\nu_m$) have been searched for using data collected by the DELPHI detector corresponding to $3.3\times 10^{6}$ hadronic~Z$^{0}$ decays at LEP1. Four separate...

Measurement of Event Shape and Inclusive Distributions at $\sqrt{s} =$ 130 and 136 GeV (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

Inclusive charged particle and event shape distributions are measured using 321 hadronic events collected with the DELPHI experiment at LEP at effective centre of mass energies of 130 to 136 GeV....

Measurement of $B^0_d$ - $\overline B^0_d$ oscillations (1997)

Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, G D., ...

${B}^0_d$ meson oscillations are measured in hadronic $\Zz$ decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a $b$ or a $\overline{b}$ quark when...

Search for Lepton Flavour Number violating Z$^0$-Decays (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

A search for lepton flavour number violating $Z^0$ decays in the channels \begin{center} $Z^0\rightarrow \mu\tau$,\\ $Z^0\rightarrow e\tau$, \\ $Z^0\rightarrow e\mu$, \\ \end{center} using the DELPHI...

Measurement of the triple gluon vertex from double quark tagged 4-jet event (1997)

Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...

The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from...

Identified particles in quark and gluon jets (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

A sample of about 1.4 million hadronic \z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of \kp, \ko,...

Search for the $B_c$ Meson (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

In a sample of 3.02 million hadronic $Z^o$ decays collected by the DELPHI detector, 270 $J/\psi \into$ \lplm candidates have been selected. A search for fully reconstructed $B_c\upm$ mesons has...

A Measurement of $\alpha_s$ from the Scaling Violation in $e^+ e^-$ Annihilation (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

Abstract: 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...

Search for Stable Heavy Charged Particles in $e^+ e^-$ Collisions at $\sqrt{s}$ = 130-136, 161 and 172 GeV (1997)

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...

Measurement of Correlations between Pions from Different W's in $e^+ e^- \rightarrow W^+ W^-$ Events (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

Correlations between pions from different Ws in $e^+e^- rightarrow$W$^+$W$^-$ events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in...

Measurement and interpretation of the W-pair cross-section in $e^+ e^-$ interactions at 161 GeV (1997)

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 $9.93 {\mathrm{~pb^{-1}}}$,...

Measurement of the Multiplicity of Gluons Splitting to Bottom Quark Pairs in Hadronic Z$^0$ Decays (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

An inclusive measurement of the average multiplicity of $b \bar b$ pairs from gluons, \gb, in hadronic $Z^0$ events collected by the DELPHI experiment at LEP, is presented. A counting technique,...

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}...

A study of the reaction $e^+ e^- \rightarrow \mu^+\mu^-\gamma_{ISR}$ at LEP and search for new physics at annihilation energies near 80 GeV (1997)

Abreu, P., Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., ...

A study of the channel $e^{+}e^{-}~\rightarrow~\mu^{+}\mu^{-}\gamma_{\ sc ISR}$, where $\gamma_{\sc ISR}$ is an initial state radiation photon, is presented using data collected by the DELPHI...

Observation of charge ordering in particle production in hadronic Z$^0$ decay (1997)

Abreu, P., Adam, W., Adye, T., Adzic, P., Alekseev, G D., Alemany, R., ...

Analysis of the rapidity structure of charge correlations in hadronic events from $Z^0$ decays gives evidence for chain-like charge-ordering of particle production along the thrust axis, as predicted...

Search for $B_s^0-\overline{B_s^0}$ oscillations (1997)

Adam, W., Adye, T., Ajinenko, I., Alekseev, G D., Alemany, R., Allport, P P., ...

Oscillations of $\mbox{B}^0_{\mathrm s}$ mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic $\Zz$ decays registered by DELPHI between 1991 and...

Search for excited leptons in $e^+ e^-$ collisions at $\sqrt{s}$ = 161 gev (1997)

Abreu, P., Adam, W., Adye, T., Azhinenko, I., Alekseev, G.D., Alemany, R., ...

A search with the DELPHI detector at LEP for excited leptons ($e^*$, $\mu^*$, $\tau^*$ and $\nu^*$) decaying through $\gamma$, W or Z transitions is reported. The data used correspond to an...