A determination of electroweak parameters at HERA

被引：35

作者：

Aktas, A

Andreev, V

Anthonis, T

Aplini, S

Asmone, A

Astvatsatourov, A

Babaev, A

Backovic, S

Bähr, J

Baghdasaryan, A

Baranov, P

Barrelet, E

Bartel, W

Baudrand, S

Baumgartner, S

Becker, J

Beckingham, M

Behnke, O

Behrendt, O

Belousov, A

Berger, C

Berger, N

Bizot, JC

Boenig, MO

Boudry, V

Bracinik, J

Brandt, G

Brisson, V

Brown, DP

Bruncko, D

Büsser, FW

Bunyatyan, A

Buschhorn, G

Bystritskaya, L

Campbell, AJ

Caron, S

Cassol-Brunner, F

Cerny, K

Cerny, V

Chekelian, V

Contreras, JG

Coughlan, JA

Cox, BE

Cozzika, G

Cvach, J

Dainton, JB

Dau, WD

Daum, K

de Boer, Y

Delcourt, B

机构：

[1] Rhein Westfal TH Aachen, Inst Phys 1, D-5100 Aachen, Germany

[2] Rhein Westfal TH Aachen, Inst Phys 3, D-5100 Aachen, Germany

[3] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[4] VUB, ULB, Inter Univ Inst High Energies, Antwerp, Belgium

[5] Univ Antwerp, Antwerp, Belgium

[6] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[7] Inst Nucl Phys, Krakow, Poland

[8] Univ Dortmund, Inst Phys, Dortmund, Germany

[9] Joint Inst Nucl Res, Dubna, Russia

[10] CEA, DSM, DEPNIA, Gif Sur Yvette, France

[11] DESY, D-2000 Hamburg, Germany

[12] Univ Hamburg, Inst Expt Phys, Hamburg, Germany

[13] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[14] Heidelberg Univ, Inst Phys, Heidelberg, Germany

[15] Heidelberg Univ, Kirchhoff Inst Phys, Heidelberg, Germany

[16] Univ Kiel, Inst Expt & Angewandte Phys, Kiel, Germany

[17] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia

[18] Univ Lancaster, Dept Phys, Lancaster, England

[19] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England

[20] Queen Mary Univ London, London E1 4NS, England

[21] Lund Univ, Dept Phys, Lund, Sweden

[22] Univ Manchester, Dept Phys, Manchester M13 9PL, Lancs, England

[23] Univ Mediterranee, CPPM, CNRS, IN2P3, Marseille, France

[24] CINVESTAV, Dept Fis Aplicada, Merida, Yucatan, Mexico

[25] Inst Theoret & Expt Phys, Moscow 117259, Russia

[26] PN Lebedev Phys Inst, Moscow 117924, Russia

[27] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[28] Univ Paris 11, LAL, CNRS, IN2P3, Orsay, France

[29] Ecole Polytech, CNRS, LLR, IN2P3, F-91128 Palaiseau, France

[30] Univ Paris 06, LPNHE, CNRS, IN2P3, Paris, France

[31] Univ Paris 07, IN2P3, CNRS, Paris, France

[32] Univ Montenegro, Fac Sci, Podgorica, Serbia Monteneg

[33] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic

[34] Charles Univ Prague, Fac Math & Phys, Prague, Czech Republic

[35] Univ Roma Tre, Dipartimento Fis, Rome, Italy

[36] Ist Nazl Fis Nucl, Rome, Italy

[37] Inst Nucl Energy Res, Sofia, Bulgaria

[38] Paul Scherrer Inst, Villigen, Switzerland

[39] Univ Wuppertal, Fachbereich C, Wuppertal, Germany

[40] Yerevan Phys Inst, Yerevan 375036, Armenia

[41] DESY, Zeuthen, Germany

[42] ETH, Inst Teilchenphys, Zurich, Switzerland

[43] Univ Zurich, Inst Phys, Zurich, Switzerland

[44] Natl Tech Univ Athens, Dept Phys, GR-15773 Zografos, Greece

[45] Univ Wuppertal, Rechenzentrum, Wuppertal, Germany

[46] Safarik Univ, Fac Nat Sci, Kosice, Slovakia

[47] CERN, Geneva, Switzerland

[48] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[49] Comenius Univ, Bratislava, Slovakia

来源：

PHYSICS LETTERS B | 2006年 / 632卷 / 01期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1016/j.physletb.2005.10.035

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the deep inelastic e(+) p and e(-) p charged and neutral current scattering cross sections previously published, a combined electroweak and QCD analysis is performed to determine electroweak parameters accounting for their correlation with parton distributions. The data used have been collected by the HI experiment in 1994-2000 and correspond to an integrated luminosity of 117.2 pb(-1). A measurement is obtained of the W propagator mass in charged current ep scattering. The weak mixing angle sin(2)theta w is determined in the on-mass-shell renormalisation scheme. A first measurement at HERA is made of the light quark weak couplings to the Z(0) boson and a possible contribution of right-handed isospin components to the weak couplings is investigated. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：35 / 42

页数：8

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