Inclusive-jet and dijet cross sections in deep inelastic scattering at HERA

被引：56

作者：

Chekanov, S.

Derrick, M.

Magill, S.

Miglioranzi, S.

Musgrave, B.

Nicholass, D.

Repond, J.

Yoshida, R.

Mattingly, M. C. K.

Pavel, N.

Molina, A. G. Yaguees

Antonelli, S.

Antonioli, P.

Bari, G.

Basile, M.

Bellagamba, L.

Bindi, M.

Boscherini, D.

Bruni, A.

Bruni, G.

Cifarelli, L.

Cindolo, R.

Contin, A.

Corradi, M.

De Pasquale, S.

Iacobucci, G.

Margotti, A.

Nania, R.

Polini, A.

Rinaldi, L.

Sartorelli, G.

Zichichi, A.

Aghuzumtsyan, G.

Bartsch, D.

Brock, I.

Goers, S.

Hartmann, H.

Hilger, E.

Jakob, H. -P.

Juengst, M.

Kind, O. M.

Paul, E.

Rautenberg, J.

Renner, R.

Samson, U.

Schoenberg, V.

Wang, M.

Wlasenko, M.

Brook, N. H.

Heath, G. P.

机构：

[1] Univ Florence, Florence, Italy

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

[3] Humboldt Univ, Inst Phys, Berlin, Germany

[4] Univ Bologna, Bologna, Italy

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

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

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

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

[9] Ist Nazl Fis Nucl, Cosenza, Italy

[10] Chonnam Natl Univ, Kwangju, South Korea

[11] Univ Malaya, Kuala Lumpur 50603, Malaysia

[12] Columbia Univ, Nevis Labs, Irvington, NY 10027 USA

[13] Polish Acad Sci, H Niewodniczanski Inst Nucl Phys, Krakow, Poland

[14] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland

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

[16] DESY, D-2000 Hamburg, Germany

[17] DESY, Zeuthen, Germany

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

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

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

[21] Univ Aegean, Dept Engn Management & Finance, Aegean, Greece

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

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

[24] KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki, Japan

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

[26] Kyungpook Natl Univ, Ctr High Energy Phys, Taejon, 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] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[34] Univ Amsterdam, Amsterdam, Netherlands

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

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

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

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

[39] Ist Nazl Fis Nucl, Padua, Italy

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

[41] Polytech Univ, Sagamihara, Kanagawa, Japan

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

[43] Ist Nazl Fis Nucl, Rome, Italy

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

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

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

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

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

[49] Univ Turin, Turin, Italy

[50] Ist Nazl Fis Nucl, I-10125 Turin, Italy

来源：

NUCLEAR PHYSICS B | 2007年 / 765卷 / 1-2期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1016/j.nuclphysb.2006.09.018

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：

Inclusive-jet and dijet differential cross sections have been measured in neutral current deep inelastic ep scattering for exchanged boson virtualities Q(2) > 125 GeV2 with the ZEUS detector at HERA using an integrated luminosity of 82 pb(-1). Jets were identified in the Breit frame using the k(T) cluster algorithm. Jet cross sections are presented as functions of several kinematic and jet variables. The results are also presented in different regions of Q2. Next-to-leading-order QCD calculations describe the measurements well. Regions of phase space where the theoretical uncertainties are small have been identified. Measurements in these regions have the potential to constrain the gluon density in the proton when used as inputs to global fits of the proton parton distribution functions. (c) 2006 Published by Elsevier B.V.

引用

页码：1 / 30

页数：30

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