V0 production in p plus A collisions at √s=41.6 GeV

被引：0

作者：

Abt, I. ^{[23
]}

Adams, M. ^{[10
]}

Agari, M. ^{[13
]}

Albrecht, H. ^{[12
]}

Aleksandrov, A. ^{[29
]}

Amaral, V. ^{[8
]}

Amorim, A. ^{[8
]}

Aplin, S. J. ^{[12
]}

Aushev, V. ^{[16
]}

Bagaturia, Y. ^{[12
]}

Balagura, V. ^{[22
]}

Bargiotti, M. ^{[6
]}

Barsukova, O. ^{[11
]}

Bastos, J. ^{[8
]}

Batista, J. ^{[8
]}

Bauer, C. ^{[13
]}

Bauer, Th. S. ^{[1
]}

Belkov, A. ^{[11
]}

Belkov, Ar. ^{[11
]}

Belotelov, I. ^{[11
]}

Bertin, A. ^{[6
]}

Bobchenko, B. ^{[22
]}

Bocker, M. ^{[26
]}

Bogatyrev, A. ^{[22
]}

Bohm, G. ^{[29
]}

Brauer, M. ^{[13
]}

Bruinsma, M. ^{[28
]}

Bruschi, M. ^{[6
]}

Buchholz, P. ^{[26
]}

Buran, T. ^{[24
]}

Carvalho, J. ^{[8
]}

Conde, P. ^{[12
]}

Cruse, C. ^{[10
]}

Dam, M. ^{[9
]}

Danielsen, K. M. ^{[24
]}

Danilov, M. ^{[22
]}

De Castro, S. ^{[6
]}

Deppe, H. ^{[14
]}

Dong, X. ^{[3
]}

Dreis, H. B. ^{[14
]}

Egorytchev, V. ^{[12
]}

Ehret, K. ^{[10
]}

Eisele, F. ^{[14
]}

Emeliyanov, D. ^{[12
]}

Essenov, S. ^{[22
]}

Fabbri, L. ^{[6
]}

Faccioli, P. ^{[6
]}

Feuerstack-Raible, M. ^{[14
]}

Flammer, J. ^{[12
]}

Fominykh, B. ^{[22
]}

机构：

[1] NIKHEF, NL-1009 DB Amsterdam, Netherlands

[2] Univ Barcelona, Fac Phys, Dept ECM, E-08028 Barcelona, Spain

[3] Inst High Energy Phys, Beijing 100039, Peoples R China

[4] Tsinghua Univ, Inst Engn Phys, Beijing 100084, Peoples R China

[5] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[6] Univ Bologna, Dipartimento Fis, I-40126 Bologna, Italy

[7] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA

[8] LIP Coimbra, P-3004516 Coimbra, Portugal

[9] Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[10] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany

[11] Joint Inst Nucl Res Dubna, Dubna 141980, Russia

[12] DESY, D-22603 Hamburg, Germany

[13] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[14] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[15] Univ Houston, Dept Phys, Houston, TX 77204 USA

[16] Ukrainian Acad Sci, Inst Nucl Res, UA-03680 Kiev, Ukraine

[17] Jozef Stefan Inst, Ljubljana 1001, Slovenia

[18] Univ Ljubljana, Ljubljana 1001, Slovenia

[19] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[20] Univ Mannheim, Lehrstuhl Informat 5, D-68131 Mannheim, Germany

[21] Univ Maribor, SLO-2000 Maribor, Slovenia

[22] Inst Theoret & Expt Phys, Moscow 117218, Russia

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

[24] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

[25] Univ Rostock, Fachbereich Phys, D-18051 Rostock, Germany

[26] Univ Siegen, Fachbereich Phys, D-57068 Siegen, Germany

[27] INRNE BAS, Inst Nucl Res, Sofia, Bulgaria

[28] Univ Utrecht, NIKHEF, NL-3584 CB Utrecht, Netherlands

[29] DESY, D-15738 Zeuthen, Germany

[30] Univ Zurich, Inst Phys, CH-8057 Zurich, Switzerland

来源：

EUROPEAN PHYSICAL JOURNAL C | 2009年 / 61卷 / 02期

基金：

美国国家科学基金会;

关键词：

STRANGE-PARTICLE-PRODUCTION; PROTON-PROTON COLLISIONS; PRODUCTION CROSS-SECTIONS; INCLUSIVE PRODUCTION; GEV-C; TRANSVERSE-MOMENTUM; LAMBDA PRODUCTION; DETECTOR; TARGET; GAMMA;

D O I：

10.1140/epjc/s10052-009-1005-3

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 doubly differential cross sections d(2)sigma(pA)/dx(F)d(p2T) as a function of Feynman-x (x(F)) and transverse momentum (p(T)) for the production of K-S(0), Lambda and (Lambda) over bar in proton-nucleus interactions at 920 GeV are presented. The measurements were performed by HERA-B in the negative xF range (-0.12 < x(F) < 0.0) and for transverse momenta up to p(T) = 1.6 GeV/c. Results for three target materials: carbon, titanium and tungsten are given. The ratios of production cross sections are presented and discussed. The Cronin effect is clearly observed for all three V 0 species. The atomic number dependence is parameterized as sigma(pA) = sigma(pN) . A(alpha) where sigma(pN) is the proton-nucleon cross section. The measured values of a are all near one. The results are compared with EPOS 1.67 and PYTHIA 6.3. EPOS reproduces the data to within approximate to 20% except at very low transverse momentum.

引用

页码：207 / 221

页数：15

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