Inclusive production of protons, anti-protons and neutrons in p plus p collisions at 158 GeV/c beam momentum

被引：88

作者：

Anticic, T. ^{[1
]}

Baatar, B. ^{[7
]}

Bartke, J. ^{[5
]}

Betev, L. ^{[9
]}

Bialkowska, H. ^{[15
]}

Blume, C. ^{[8
]}

Boimska, B. ^{[15
]}

Bracinik, J. ^{[2
]}

Cerny, V. ^{[2
]}

Chvala, O. ^{[12
]}

Dolejsi, J. ^{[12
]}

Eckardt, V. ^{[11
]}

Fischer, H. G. ^{[9
]}

Fodor, Z. ^{[4
]}

Foka, P. ^{[6
]}

Friese, V. ^{[6
]}

Gazdzicki, M. ^{[8
]}

Hoehne, C. ^{[6
]}

Kadija, K. ^{[1
]}

Karev, A. ^{[9
]}

Kolesnikov, V. ^{[7
]}

Kowalski, M. ^{[5
]}

Kreps, M. ^{[2
]}

Makariev, M. ^{[14
]}

Malakhov, A. ^{[7
]}

Mateev, M. ^{[13
]}

Melkumov, G. ^{[7
]}

Mitrovski, M. ^{[8
]}

Mrowczynski, S. ^{[10
]}

Renfordt, R. ^{[8
]}

Rybczynski, M. ^{[10
]}

Rybicki, A. ^{[5
]}

Sandoval, A. ^{[6
]}

Schmitz, N. ^{[11
]}

Seyboth, P. ^{[11
]}

Stefanek, G. ^{[10
]}

Stock, R. ^{[8
]}

Stroebele, H. ^{[8
]}

Susa, T. ^{[1
]}

Szymanski, P. ^{[15
]}

Trubnikov, V. ^{[15
]}

Varga, D. ^{[3
]}

Vesztergombi, G. ^{[4
]}

Vranic, D. ^{[6
]}

Wenig, S. ^{[9
]}

Wlodarczyk, Z. ^{[10
]}

Wojtaszek, A. ^{[10
]}

机构：

[1] Rudjer Boskovic Inst, Zagreb, Croatia

[2] Comenius Univ, Bratislava, Slovakia

[3] Eotvos Lorant Univ, Budapest, Hungary

[4] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

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

[6] Gesell Schwerionenforsch GSI, Darmstadt, Germany

[7] Joint Inst Nucl Res, Dubna, Russia

[8] Goethe Univ Frankfurt, Fachbereich Phys, Frankfurt, Germany

[9] CERN, Geneva, Switzerland

[10] Jan Kochanowski Univ Humanities & Sci, Inst Phys, Kielce, Poland

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

[12] Charles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, Prague, Czech Republic

[13] Sofia Univ St Kliment Ohridski, Dept Atom Phys, Sofia, Bulgaria

[14] BAS, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria

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

来源：

EUROPEAN PHYSICAL JOURNAL C | 2010年 / 65卷 / 1-2期

基金：

匈牙利科学研究基金会;

关键词：

LARGE TRANSVERSE-MOMENTUM; INTERSECTING STORAGE-RINGS; PARTICLE-PRODUCTION; CERN-ISR; GEV-C; CHARGED PIONS; DIFFRACTION DISSOCIATION; HADRONIC-INTERACTIONS; FRAGMENTATION REGION; INELASTIC-SCATTERING;

D O I：

10.1140/epjc/s10052-009-1172-2

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：

New data on the production of protons, anti-protons and neutrons in p+p interactions are presented. The data come from a sample of 4.8 million inelastic events obtained with the NA49 detector at the CERN SPS at 158 GeV/c beam momentum. The charged baryons are identified by energy loss measurement in a large TPC tracking system. Neutrons are detected in a forward hadronic calorimeter. Inclusive invariant cross sections are obtained in intervals from 0 to 1.9 GeV/c (0 to 1.5 GeV/c) in transverse momentum and from -0.05 to 0.95 (-0.05 to 0.4) in Feynman x for protons (anti-protons), respectively. p (T) integrated neutron cross sections are given in the interval from 0.1 to 0.9 in Feynman x. The data are compared to a wide sample of existing results in the SPS and ISR energy ranges as well as to proton and neutron measurements from HERA and RHIC.

引用

页码：9 / 63

页数：55

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