Measurements of cross sections and charged pion spectra in proton-carbon interactions at 31 GeV/c

被引：155

作者：

Abgrall, N. ^{[2
]}

Aduszkiewicz, A. ^{[3
]}

Andrieu, B. ^{[4
]}

Anticic, T. ^{[5
]}

Antoniou, N. ^{[6
]}

Argyriades, J. ^{[2
]}

Asryan, A. G. ^{[7
]}

Baatar, B. ^{[1
]}

Blondel, A. ^{[2
]}

Blumer, J. ^{[8
]}

Bogusz, M. ^{[9
]}

Boldizsar, L. ^{[10
]}

Bravar, A. ^{[2
]}

Brooks, W. ^{[11
]}

Brzychczyk, J. ^{[12
]}

Bubak, A. ^{[13
]}

Bunyatov, S. A. ^{[1
]}

Busygina, O. ^{[14
]}

Cetner, T. ^{[9
]}

Choi, K. -U. ^{[15
]}

Christakoglou, P. ^{[6
]}

Chung, P. ^{[16
]}

Czopowicz, T. ^{[9
]}

Davis, N. ^{[6
]}

Diakonos, F. ^{[6
]}

Di Luise, S. ^{[17
]}

Dominik, W. ^{[3
]}

Dumarchez, J. ^{[4
]}

Engel, R. ^{[8
]}

Ereditato, A. ^{[18
]}

Esposito, L. S. ^{[17
]}

Feofilov, G. A. ^{[7
]}

Fodor, Z. ^{[10
]}

Ferrero, A. ^{[2
]}

Fulop, A. ^{[10
]}

Garrido, X. ^{[8
]}

Gazdzicki, M. ^{[19
,20
]}

Golubeva, M. ^{[14
]}

Grebieszkow, K. ^{[9
]}

Grzeszczuk, A. ^{[13
]}

Guber, F. ^{[14
]}

Hakobyan, H. ^{[11
]}

Hasegawa, T. ^{[21
]}

Igolkin, S. ^{[7
]}

Ivanov, A. S. ^{[7
]}

Ivanov, Y. ^{[11
]}

Ivashkin, A. ^{[14
]}

Kadija, K. ^{[5
]}

Kapoyannis, A. ^{[6
]}

Katrynska, N. ^{[12
]}

机构：

[1] Joint Inst Nucl Res, Dubna, Russia

[2] Univ Geneva, Geneva, Switzerland

[3] Univ Warsaw, Fac Phys, Warsaw, Poland

[4] Univ Paris VI & VII, LPNHE, Paris, France

[5] Rudjer Boskovic Inst, Zagreb, Croatia

[6] Univ Athens, Athens, Greece

[7] St Petersburg State Univ, St Petersburg, Russia

[8] Karlsruhe Inst Technol, Karlsruhe, Germany

[9] Warsaw Univ Technol, Warsaw, Poland

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

[11] Univ Tecn Federico Santa Maria, Valparaiso, Chile

[12] Jagiellonian Univ, Krakow, Poland

[13] Univ Silesia, Katowice, Poland

[14] Russian Acad Sci, Inst Nucl Res, Moscow, Russia

[15] Pusan Natl Univ, Pusan 609735, South Korea

[16] SUNY Stony Brook, Stony Brook, NY 11794 USA

[17] ETH, Zurich, Switzerland

[18] Univ Bern, Bern, Switzerland

[19] Jan Kochanowski Univ Humanities & Sci, Kielce, Poland

[20] Fachhsch Frankfurt, Frankfurt, Germany

[21] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan

[22] Univ Sofia, Fac Phys, BU-1126 Sofia, Bulgaria

[23] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland

[24] Goethe Univ Frankfurt, Frankfurt, Germany

[25] Univ Bergen, Bergen, Norway

来源：

PHYSICAL REVIEW C | 2011年 / 84卷 / 03期

基金：

瑞士国家科学基金会; 俄罗斯基础研究基金会; 匈牙利科学研究基金会;

关键词：

HADRONIC-INTERACTIONS; INCLUSIVE PRODUCTION; NUCLEI; COLLISIONS; MODEL;

D O I：

10.1103/PhysRevC.84.034604

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Interaction cross sections and charged pion spectra in p + C interactions at 31 GeV/c were measured with the large-acceptance NA61/SHINE spectrometer at the CERN SPS. These data are required to improve predictions of the neutrino flux for the T2K long-baseline neutrino oscillation experiment in Japan. A set of data collected during the first NA61/SHINE run in 2007 with an isotropic graphite target with a thickness of 4% of a nuclear interaction length was used for the analysis. The measured p + C inelastic and production cross sections are 257.2 +/- 1.9 +/- 8.9 and 229.3 +/- 1.9 +/- 9.0 mb, respectively. Inclusive production cross sections for negatively and positively charged pions are presented as functions of laboratory momentum in ten intervals of the laboratory polar angle covering the range from 0 up to 420 mrad. The spectra are compared with predictions of several hadron production models.

引用

页数：26

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