Measurement of D± and D0 production in deep inelastic scattering using a lifetime tag at HERA

被引：35

作者：

Chekanov, S. ^{[1
]}

Derrick, M. ^{[1
]}

Magill, S. ^{[1
]}

Musgrave, B. ^{[1
]}

Nicholass, D. ^{[1
]}

Repond, J. ^{[1
]}

Yoshida, R. ^{[1
]}

Mattingly, M. C. K. ^{[2
]}

Antonioli, P. ^{[3
]}

Bari, G. ^{[3
]}

Bellagamba, L. ^{[3
]}

Boscherini, D. ^{[3
]}

Bruni, A. ^{[3
]}

Bruni, G. ^{[3
]}

Cindolo, F. ^{[3
]}

Corradi, M. ^{[3
]}

Iacobucci, G. ^{[3
]}

Margotti, A. ^{[3
]}

Nania, R. ^{[3
]}

Polini, A. ^{[3
]}

Antonelli, S. ^{[3
,4
]}

Basile, M. ^{[3
,4
]}

Bindi, M. ^{[3
,4
]}

Cifarelli, L. ^{[3
,4
]}

Contin, A. ^{[3
,4
]}

De Pasquale, S. ^{[3
,4
]}

Sartorelli, G. ^{[3
,4
]}

Zichichi, A. ^{[3
,4
]}

Bartsch, D. ^{[5
]}

Brock, I. ^{[5
]}

Hartmann, H. ^{[5
]}

Hilger, E. ^{[5
]}

Jakob, H. -P. ^{[5
]}

Juengst, M. ^{[5
]}

Nuncio-Quiroz, A. E. ^{[5
]}

Paul, E. ^{[5
]}

Samson, U. ^{[5
]}

Schoenberg, V. ^{[5
]}

Shehzadi, R. ^{[5
]}

Wlasenko, M. ^{[5
]}

Brook, N. H. ^{[52
]}

Heath, G. P. ^{[52
]}

Morris, J. D. ^{[52
]}

Kaur, M. ^{[6
]}

Kaur, P. ^{[6
,61
]}

Singh, I. ^{[6
,61
]}

Capua, M. ^{[7
,53
]}

Fazio, S. ^{[7
,53
]}

Mastroberardino, A. ^{[7
,53
]}

Schioppa, M. ^{[7
,53
]}

机构：

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

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

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

[4] Univ Bologna, Bologna, Italy

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

[6] Panjab Univ, Dept Phys, Chandigarh, India

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

[8] Chonnam Natl Univ, Kwangju, South Korea

[9] Univ Malaya, Jabatan Fiz, Kuala Lumpur 50603, Malaysia

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

[11] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

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

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

[14] Deutsch Elektronen Synchrotron DESY, Hamburg, Germany

[15] Deutsch Elektronen Synchrotron DESY, Zeuthen, Germany

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

[17] Univ Florence, 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 Exp Phys, Hamburg, Germany

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

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

[24] Kiev & Kiev Natl Univ, Natl Acad Sci, Inst Nucl Res, Kiev, Ukraine

[25] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu, South Korea

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

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

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

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

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

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

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

[33] Univ Amsterdam, Amsterdam, Netherlands

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

[35] Ist Nazl Fis Nucl, Padua, Italy

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

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

[38] Polytech Univ, Sagamihara, Kanagawa, Japan

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

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

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

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

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

[44] Univ Turin, Turin, Italy

[45] Univ Piemonte Orientale, Novara, Italy

[46] Univ Toronto, Dept Phys, Toronto, ON M5S 1A7, Canada

[47] Warsaw Univ, Inst Expt Phys, Warsaw, Poland

[48] Inst Nucl Studies, PL-00681 Warsaw, Poland

[49] Weizmann Inst Sci, Dept Particle Phys, IL-76100 Rehovot, Israel

[50] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

来源：

EUROPEAN PHYSICAL JOURNAL C | 2009年 / 63卷 / 02期

关键词：

O(ALPHA-S) CORRECTIONS; CROSS-SECTIONS; ZEUS; DESIGN; QUARK; CONSTRUCTION; FRAGMENTATION; DISTRIBUTIONS; PERFORMANCE; LUMINOSITY;

D O I：

10.1140/epjc/s10052-009-1088-x

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：

The production of D-+/-- and D-0-mesons has been measured with the ZEUS detector at HERA using an integrated luminosity of 133.6 pb(-1). The measurements cover the kinematic range 5 < Q(2) < 1000 GeV2, 0.02 < y < 0.7, 1.5 < p(T)(D) < 15 GeV and |eta(D)| < 1.6. Combinatorial background to the D-meson signals is reduced by using the ZEUS microvertex detector to reconstruct displaced secondary vertices. Production cross sections are compared with the predictions of next-to-leading-order QCD, which is found to describe the data well. Measurements are extrapolated to the full kinematic phase space in order to obtain the open-charm contribution, F-2(c (c) over bar), to the proton structure function, F-2.

引用

页码：171 / 188

页数：18

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