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Featured researches published by B. Andrieu.


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1994

Beam tests and calibration of the H1 liquid argon calorimeter with electrons

B. Andrieu; F. Brasse; N. Sahlmann; H.P. Wellisch; N. Huot; T. Carli; Y. Sirois; P. Ribarics; J. Feltesse; C. Vallée; S. Egli; H.B. Pyo; A. Nau; H.T. Blume; J. Duboc; P. Schacht; B. Delcourt; J. Zacek; R. Haydar; M. Vecko; U. Lenhardt; H. Kolanoski; L. Del Buono; T.P. Yiou; J. Turnau; M. Haguenauer; H. Jung; D. Lüers; M. Goldberg; W. Krasny

Results are presented on the energy calibration of the H1 liquid argon calorimeter modules with electrons from a test beam in the energy range of 3.7 GeV to 80 GeV. The method to determine the calibration for the Hl experiment from these measurements by the use of detailed simulations is described . Various systematic checks of this calibration are given. The calorimeter response is uniform in space within ±1% and linear with energy within ±1%. An average energy resolution of about 11.5%/ E [GeV] is achieved .


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2002

A Purity Monitoring System for the H1 Liquid Argon Calorimeter

E. Barrelet; B. Andrieu; A. Babaev; E. Banas; D. Bederede; P. Biddulph; K. Borras; F. Brasse; V. Brisson; P. Burmeister; G. Buschhorn; B. Canton; U. Cornett; G. Cozzika; J. Cvach; A. Cyz; D. Darvill; M. David; F. Descamps; A. Drescher; U. Dretzler; G. Ernst; G. Falley; R. Felst; J. Feltesse; J. Ferencei; W. Flauger; M. Fleischer; J. Formánek; K. Gadow

The ionization probes used for monitoring the liquid argon purity in the H1 calorimeter are described and results of their operation in tests at CERN and during the period 1992 to the end of 1998 at HERA are given. The high sensitivity of the charge measurements leads to refined charge collection models, and to the observation of a variation of the ionization yield of our electron sources with temperature.The ionization probes used for monitoring the liquid argon purity in the H1 calorimeter are described and results of their operation in tests at CERN and during the period 1992 to the end of 1998 at HERA are given. The high sensitivity of the charge measurements leads to refined charge collection models, and to the observation of a variation of the ionization yield of our electron sources with temperature.


Physical Review Letters | 2007

Search for third-generation scalar leptoquarks in pp‾ collisions at √s=1.96 TeV

V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; M. Adams; T. Adams; E. Aguilo; S. H. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Alverson; G. A. Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; S. Anderson; B. Andrieu; M. S. Anzelc; Y. Arnoud; M. Arov; M. Arthaud; A. Askew; B. Åsman; A. C. S. Assis Jesus; O. Atramentov; C. Autermann; C. Avila; C. Ay


Physical Review Letters | 2008

Measurement of the Polarization of the Y(1S) and Y(2S) States in pp Collisions at √s = 1.96 TeV

V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; M. Adams; T. Adams; E. Aguilo; S. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Alverson; G. A. Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; S. Anderson; B. Andrieu; M. S. Anzelc; M. Aoki; Y. Arnoud; M. Arov; M. Arthaud; A. Askew; B. Åsman; A. C. S. Assis Jesus; O. Atramentov; C. Avila; F. Badaud


Physical Review D | 2007

Measurement of the tt production cross section in pp collisions at √s = 1.96 TeV using kinematic characteristics of lepton + jets events

V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; M. Adams; T. Adams; E. Aguilo; S. H. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Alverson; G. A. Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; S. Anderson; B. Andrieu; M. S. Anzelc; Y. Arnoud; M. Arov; M. Arthaud; A. Askew; B. Åsman; A. C. S. Assis Jesus; O. Atramentov; C. Autermann; C. Avila; C. Ay


Archive | 2006

Search for R-parity violating supersymmetry via the LL ¯

B. Abbott; M. Adams; T. Adams ax; T. Andeen; S. Anderson; B. Andrieu; Y. Arnoud; A. C. S. Assis Jesus; O. Atramentov; C. Autermann; L. Bagby; P Banerjee; D. Bauer; A. Bean; M. Begalli; M. Begel; C. Belanger-Champagne; L. Bellantoni; G. Bernardi; L. Berntzon; M. Besancon; R. Beuselinck


Physical Review Letters | 2008

Measurement of the Electron Charge Asymmetry in pp → W + X → ev + X Events at √s = 1.96 TeV

V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; M. Adams; T. Adams; E. Aguilo; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Alverson; G. A. Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; B. Andrieu; M. S. Anzelc; M. Aoki; Y. Arnoud; M. Arov; M. Arthaud; A. Askew; B. Åsman; A. C. S. Assis Jesus; O. Atramentov; C. Avila; F. Badaud; L. Bagby; B. Baldin


Physical Review D | 2005

Search for first-generation scalar leptoquarks in p p collisions at √s = 1.96 TeV

V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; M. Adams; T. Adams; M. Agelou; J.-L. Agram; S. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Alverson; G. A. Alves; M. Anastasoaie; T. Andeen; S. Anderson; B. Andrieu; Y. Arnoud; A. Askew; B. Åsman; O. Atramentov; C. Autermann; C. Avila; F. Badaud; A. Baden; B. Baldin; P. W. Balm; S. Banerjee


Physical Review Letters | 2007

Lifetime Difference and CP-Violating Phase in the B0s System

V. M. Abazov; B. Abbott; M. Abolins; B. S. Acharya; M. Adams; T. Adams; E. Aguilo; S. Ahn; M. Ahsan; G. D. Alexeev; G. Alkhazov; A. Alton; G. Alverson; G. A. Alves; M. Anastasoaie; L. S. Ancu; T. Andeen; S. Anderson; B. Andrieu; M. S. Anzelc; Y. Arnoud; M. Arov; A. Askew; B. Åsman; A. C. S. Assis Jesus; O. Atramentov; C. Autermann; C. Avila; C. Ay; F. Badaud


Archive | 2008

Search for Anomalous WtbCouplings in Single Top Quark Production

B. Abbott; M. Abolins; M. Adams; T. Adams; E. Aguilo; M. Ahsan; G. Alkhazov; A. Alton; G. Alverson; M. Anastasoaie; T. Andeen; B. Andrieu; M. Aoki; Y. Arnoud; M. Arov; M. Arthaud; A. Askew; O. Atramentov; C. Avila; F. Badaud; L. Bagby; B. Baldin; P. Banerjee; S. Banerjee; E. Barberis; P. Bargassa; P. Baringer; J. Barreto; D. Bauer; S. Beale

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B. Abbott

University of Oklahoma

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M. Adams

University of Illinois at Chicago

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M. Abolins

Michigan State University

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T. Andeen

University of Texas at Austin

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Y. Arnoud

Joseph Fourier University

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A. Alton

University of Michigan

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M. Ahsan

University of Texas at Dallas

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T. Adams

University of Notre Dame

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