Measurement of high-Q2 charged current cross sections in e+p deep inelastic scattering at HERA

被引：81

作者：

Chekanov, S

Derrick, M

Krakauer, D

Loizides, JH

Magill, S

Musgrave, B

Repond, J

Yoshida, R

Mattingly, MCK

Antonioli, P

Bari, G

Basile, M

Bellagamba, L

Boscherini, D

Bruni, A

Bruni, G

Romeo, GC

Cifarelli, L

Cindolo, F

Contin, A

Corradi, M

De Pasquale, S

Giusti, P

Iacobucci, G

Margotti, A

Nania, R

Palmonari, F

Pesci, A

Sartorelli, G

Zichichi, A

Aghuzumtsyan, G

Bartsch, D

Brock, I

Goers, S

Hartmann, H

Hilger, E

Irrgang, P

Jakob, HP

Kappes, A

Katz, UF

Kind, O

Meyer, U

Paul, E

Rautenberg, J

Renner, R

Stifutkin, A

Tandler, J

Voss, KC

Wang, M

Weber, A

机构：

[1] Argonne Natl Lab, Argonne, IL 60439 USA

[2] Andrews Univ, Berrien Springs, MI 49104 USA

[3] Univ Bologna, Bologna, Italy

[4] Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[5] Univ Bonn, Inst Phys, D-5300 Bonn, Germany

[6] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[7] Univ Calabria, Dept Phys, I-87036 Cosenza, Italy

[8] Ist Nazl Fis Nucl, Cosenza, Italy

[9] Chonnam Natl Univ, Kwangju, South Korea

[10] Columbia Univ, Nevis Labs, New York, NY 10027 USA

[11] Inst Nucl Phys, Krakow, Poland

[12] Univ Min & Met Krakow, Fac Phys & Nucl Tech, Krakow, Poland

[13] Jagiellonian Univ, Dept Phys, Krakow, Poland

[14] DESY, D-2000 Hamburg, Germany

[15] DESY, Zeuthen, Germany

[16] Univ Florence, Florence, Italy

[17] Ist Nazl Fis Nucl, I-50125 Florence, Italy

[18] Univ Freiburg, Fak Phys, D-7800 Freiburg, Germany

[19] Univ Glasgow, Dept Phys & Astron, Glasgow, Lanark, Scotland

[20] Univ Aegean, Dept Engn Management & Finance, Mitilini, Greece

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

[22] Univ London Imperial Coll Sci Technol & Med, High Energy Nucl Phys Grp, London, England

[23] Forschungszentrum Julich, Inst Kernphys, D-5170 Julich, Germany

[24] Natl Lab High Energy Phys, KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 305, Japan

[25] Minist Educ & Sci Kazakhstan, Inst Phys & Technol, Alma Ata, Kazakhstan

[26] Kyungpook Natl Univ, Taegu 702701, South Korea

[27] Catholic Univ Louvain, Inst Phys Nucl, B-1348 Louvain, Belgium

[28] Univ Autonoma Madrid, Dept Fis Teor, Madrid, Spain

[29] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

[30] Meiji Gakuin Univ, Fac Gen Educ, Yokohama, Kanagawa, Japan

[31] Moscow Engn Phys Inst, Moscow 115409, Russia

[32] Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, Russia

[33] NIKHEF H, NL-1009 DB Amsterdam, Netherlands

[34] Univ Amsterdam, Amsterdam, Netherlands

[35] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[36] Univ Oxford, Dept Phys, Oxford, England

[37] Univ Padua, Dipartimento Fis, Padua, Italy

[38] Ist Nazl Fis Nucl, Padua, Italy

[39] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[40] Polytech Univ, Sagamihara, Kanagawa, Japan

[41] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[42] Ist Nazl Fis Nucl, Rome, Italy

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

[44] Univ Calif Santa Cruz, Santa Cruz, CA 95064 USA

[45] Ewha Womans Univ, Dept Phys, Seoul, South Korea

[46] Univ Siegen, Fachbereich Phys, D-5900 Siegen, Germany

[47] Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys, IL-69978 Tel Aviv, Israel

[48] Tokyo Inst Technol, Dept Phys, Tokyo 152, Japan

[49] Univ Tokyo, Dept Phys, Tokyo 113, Japan

[50] Tokyo Metropolitan Univ, Dept Phys, Tokyo, Japan

来源：

EUROPEAN PHYSICAL JOURNAL C | 2003年 / 32卷 / 01期

关键词：

D O I：

10.1140/epjc/s2003-01363-5

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Cross sections for e (+) p charged current deep inelastic scattering at a centre-of-mass energy of 318 <LF>GeV have been determined with an integrated luminosity of 60.9 pb(-1) collected with the ZEUS detector at HERA. The differential cross sections dsigma/dQ(2), dsigma/dx and dsigma/dy for Q(2) > 200 GeV are presented. In addition, d(2)sigma/d x d Q(2) has been measured in the kinematic range 280 GeV2 < Q(2) < 17 000 Gev(2) and 0.008 << x < 0.42. The predictions of the Standard Model agree well with the measured cross sections. The mass of the W boson propagator is determined to be M-W = 78.9 <LF>+/- 2.0 (stat.) +/- 1.8(syst.)(-1.8)(+2.0) (PDF) GeV from a fit to dsigma/dQ(2). The chiral structure of the Standard Model is also investigated in terms of the (1-y)(2) dependence of the double-differential cross section. The structure-function F-2(CC) has been extracted by combining the measurements presented here with previous ZEUS results from e(-)p scattering, extending the measurement obtained in a neutrino-nucleus scattering experiment to a significantly higher Q(2) region.

引用

页码：1 / 16

页数：16

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