Measurement of multiplicity and momentum spectra in the current and target regions of the Breit frame in Deep Inelastic Scattering at HERA

被引：58

作者：

Breitweg, J

Chekanov, S

Derrick, M

Krakauer, D

Magill, S

Musgrave, B

Repond, J

Stanek, R

Yoshida, R

Mattingly, MCK

Abbiendi, G

Anselmo, F

Antonioli, P

Bari, G

Basile, M

Bellagamba, L

Boscherini, D

Bruni, A

Bruni, G

Romeo, GC

Castellini, G

Cifarelli, L

Cindolo, F

Contin, A

Coppola, N

Corradi, M

De Pasquale, S

Giusti, P

Iacobucci, G

Laurenti, G

Levi, G

Margotti, A

Massam, T

Nania, R

Palmonari, F

Pesci, A

Polini, A

Sartorelli, G

Garcia, YZ

Zichichi, A

Amelung, C

Bornheim, A

Brock, I

Coböken, K

Crittenden, J

Deffner, R

Eckert, M

Hartmann, H

Heinloth, K

Heinz, L

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, Cosenza, Italy

[8] Ist Nazl Fis Nucl, Cosenza, Italy

[9] Chonnam Natl Univ, Kwangju, South Korea

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

[11] Inst Nucl Phys, Krakow, Poland

[12] Acad Min & Met, Fac Phys & Nucl Techniques, Krakow, Poland

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

[14] DESY, Deutsches Elektrones Synchrotron, D-2000 Hamburg, Germany

[15] DESY, Zeuthen, Germany

[16] Univ Florence, Florence, Italy

[17] Ist Nazl Fis Nucl, Nazl Frascati Lab, I-00044 Frascati, Italy

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

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

[20] Univ Hamburg, Inst Exp Phys 1, Hamburg, Germany

[21] Univ Hamburg, Inst Expt Phys 2, D-2000 Hamburg, Germany

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

[23] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA

[24] Forschungszentrum Julich, Inst Kernphys, Julich, Germany

[25] Natl Lab High Energy Phys, KEK, Tsukuba, Ibaraki 305, Japan

[26] Korea Univ, Seoul 136701, South Korea

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

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

[29] McGill Univ, Dept Phys, Montreal, PQ, 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] Univ Siegen, Fachbereich Phys, D-5900 Siegen, Germany

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

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

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

[49] Univ Turin, Dipartimento Fis Sperimentale, Turin, Italy

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

来源：

EUROPEAN PHYSICAL JOURNAL C | 1999年 / 11卷 / 02期

关键词：

D O I：

10.1007/s100520050630

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：

Charged particle production in neutral current deep inelastic scattering (DIS) has been studied using the ZEUS detector. The evolution of the mean multiplicities, scaled moments and transverse momenta in Q(2) and x for 10 < Q(2) < 5120 GeV2 and x > 6 x 10(-4) has been investigated in the current and target fragmentation regions of the Breit frame. Distributions in the target region, using HERA data for the first time, are compared to distributions in the current region. Predictions based on MLLA and LPHD are inconsistent with the data.

引用

页码：251 / 270

页数：20

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