Charged particle production in high Q2 deep-inelastic scattering at HERA

被引：23

作者：

Aaron, F. D. ^{[5
,42
]}

Aktas, A. ^{[11
]}

Alexa, C. ^{[5
]}

Andreev, V. ^{[24
]}

Antunovic, B. ^{[25
]}

Aplin, S. ^{[11
]}

Asmone, A. ^{[32
,33
]}

Astvatsatourov, A. ^{[4
]}

Backovic, S. ^{[29
]}

Baghdasaryan, A. ^{[38
]}

Baranov, P. ^{[24
]}

Barrelet, E. ^{[28
]}

Bartel, W. ^{[11
]}

Baudrand, S. ^{[26
]}

Beckingham, M. ^{[11
]}

Begzsuren, K. ^{[35
]}

Behnke, O. ^{[14
]}

Behrendt, O. ^{[8
]}

Belousov, A. ^{[24
]}

Berger, N. ^{[40
]}

Bizot, J. C. ^{[26
]}

Boenig, M. -O. ^{[8
]}

Boudry, V. ^{[27
]}

Bozovic-Jelisavcic, I. ^{[2
]}

Bracinik, J. ^{[25
]}

Brandt, G. ^{[14
]}

Brinkmann, M. ^{[11
]}

Brisson, V. ^{[26
]}

Bruncko, D. ^{[16
]}

Buesser, F. W. ^{[12
]}

Bunyatyan, A. ^{[13
]}

Buschhorn, G. ^{[25
]}

Bystritskaya, L. ^{[23
]}

Campbell, A. J. ^{[11
]}

Avila, K. B. Cantun ^{[22
]}

Cassol-Brunner, F. ^{[21
]}

Cerny, K. ^{[31
]}

Cerny, V. ^{[16
,43
]}

Chekelian, V. ^{[25
]}

Cholewa, A. ^{[11
]}

Contreras, J. G. ^{[22
]}

Coughlan, J. A. ^{[6
]}

Cozzika, G. ^{[10
]}

Cvach, J. ^{[30
]}

Dainton, J. B. ^{[18
]}

Daum, K. ^{[37
,44
]}

Deak, M. ^{[11
]}

de Boer, Y. ^{[23
]}

Delcourt, B. ^{[26
]}

Del Degan, M. ^{[40
]}

机构：

[1] I Physikal Inst RWTH, Aachen, Germany

[2] Vinca Inst Nucl Sci, Belgrade, Serbia

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

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

[5] NIPNE, Bucharest, Romania

[6] Rutherford Appleton Lab, Chilton, England

[7] Inst Nucl Phys, Krakow, Poland

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

[9] Joint Inst Nucl Res, Dubna, Russia

[10] CEA Saclay, DSm, DAPNIA, Gif Sur Yvette, France

[11] DESY, Hamburg, Germany

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

[13] Max Planck Inst Kernphys, Heidelberg, Germany

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

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

[16] Slovak Acad Sci, Inst Expt Phys, Kosice, Slovakia

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

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

[19] Queen Mary & Westfield Coll, London, England

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

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

[22] CINVESTAV, Dept Fis Aplicada, Yucatan, Mexico

[23] Inst Theoret & Expt Phys, Moscow, Russia

[24] Lebedev Phys Inst, Moscow, Russia

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

[26] Univ Paris Sud, CNRS, LAL, IN2P3, Orsay, France

[27] Ecole Polytech, CNRS, LLR, IN2P3, Palaiseau, France

[28] Univ Paris 06 & 07, CNRS, LPNHE, IN2P3, Paris, France

[29] Univ Montenegro, Fac Sci, Podgorica, Montenegro

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

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

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

[33] INFN Roma 3, Rome, Italy

[34] Inst Nucl Energy Res, Sofia, Bulgaria

[35] Mongolian Acad Sci, Inst Phys & Technol, Ulaanbaatar, Mongolia

[36] Paul Scherrer Inst, Villigen, Switzerland

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

[38] Yerevan Phys Inst, Yerevan, Armenia

[39] DESY, Zeuthen, Germany

[40] ETH, Inst Teilchenphys, Zurich, Switzerland

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

[42] Univ Bucharest, Fac Phys, Bucharest, Romania

[43] Comenius Univ, Bratislava, Slovakia

[44] Univ Wuppertal, Rechenzentrum, Wuppertal, Germany

[45] CERN, Geneva, Switzerland

[46] Univ Hamburg, Helmholtz Humboldt Res Award, Hamburg, Germany

[47] Univ PJ Safarik, Kosice, Slovakia

[48] Natl Tech Univ Athens, Dept Phys, Zografou Campus, GR-15773 Athens, Greece

来源：

PHYSICS LETTERS B | 2007年 / 654卷 / 5-6期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1016/j.physletb.2007.07.073

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The average charged track multiplicity and the normalised distribution of the scaled momentum, x(p), of charged final state hadrons are measured in deep-inelastic ep scattering at high Q(2) in the Breit frame of reference. The analysis covers the range of photon virtuality 100 < Q(2) < 20000 GeV2. Compared with previous results presented by HERA experiments this analysis has a significantly higher statistical precision and extends the phase space to higher Q(2) and to the full range of x(p). The results are compared with e(+)e(-) annihilation data and with various calculations based on perturbative QCD using different models of the hadronisation process. (c) 2007 Published by Elsevier B.V.

引用

页码：148 / 159

页数：12

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