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FV 0 production in p+A collisions at √s=41.6 GeV

  • I. Abt
  • , M. Adams
  • , M. Agari
  • , H. Albrecht
  • , A. Aleksandrov
  • , V. Amaral
  • , A. Amorim
  • , S. J. Aplin
  • , V. Aushev
  • , Y. Bagaturia
  • , V. Balagura
  • , M. Bargiotti
  • , O. Barsukova
  • , J. Bastos
  • , J. Batista
  • , C. Bauer
  • , Th S. Bauer
  • , A. Belkov
  • , Ar Belkov
  • , I. Belotelov
  • A. Bertin, B. Bobchenko, M. Böcker, A. Bogatyrev, G. Bohm, M. Bräuer, M. Bruinsma, M. Bruschi, P. Buchholz, T. Buran, J. Carvalho, P. Conde, C. Cruse, M. Dam, K. M. Danielsen, M. Danilov, S. De Castro, H. Deppe, X. Dong, H. B. Dreis, V. Egorytchev, K. Ehret, F. Eisele, D. Emeliyanov, S. Essenov, L. Fabbri, P. Faccioli, M. Feuerstack-Raible, J. Flammer, B. Fominykh, M. Funcke, Ll Garrido, A. Gellrich, B. Giacobbe, J. Gläß, D. Goloubkov, Y. Golubkov, A. Golutvin, I. Golutvin, I. Gorbounov, A. Gorišek, O. Gouchtchine, D. C. Goulart, S. Gradl, W. Gradl, F. Grimaldi, J. Groth-Jensen, Yu Guilitsky, J. D. Hansen, J. M. Hernández, W. Hofmann, M. Hohlmann, T. Hott, W. Hulsbergen, U. Husemann, O. Igonkina, M. Ispiryan, T. Jagla, C. Jiang, H. Kapitza, S. Karabekyan, N. Karpenko, S. Keller, J. Kessler, F. Khasanov, Yu Kiryushin, I. Kisel, E. Klinkby, K. T. Knöpfle, H. Kolanoski, S. Korpar, C. Krauss, P. Kreuzer, P. Križan, D. Krücker, S. Kupper, T. Kvaratskheliia, A. Lanyov, K. Lau, B. Lewendel, T. Lohse, B. Lomonosov, R. Männer, R. Mankel, S. Masciocchi, I. Massa, I. Matchikhilian, G. Medin, M. Medinnis, M. Mevius, A. Michetti, Yu Mikhailov, R. Mizuk, R. Muresan, M. Zur Nedden, M. Negodaev, M. Nörenberg, S. Nowak, M. T. Núñez Pardo De Vera, M. Ouchrif, F. Ould-Saada, C. Padilla, D. Peralta, R. Pernack, R. Pestotnik, B. A. Petersen, M. Piccinini, M. A. Pleier, M. Poli, V. Popov, D. Pose, S. Prystupa, V. Pugatch, Y. Pylypchenko, J. Pyrlik, K. Reeves, D. Reßing, H. Rick, I. Riu, P. Robmann, I. Rostovtseva, V. Rybnikov, F. Sánchez, A. Sbrizzi, M. Schmelling, B. Schmidt, A. Schreiner, H. Schröder, U. Schwanke, A. J. Schwartz, A. S. Schwarz, B. Schwenninger, B. Schwingenheuer, F. Sciacca, N. Semprini-Cesari, S. Shuvalov, L. Silva, L. Sözüer, S. Solunin, A. Somov, S. Somov, J. Spengler, R. Spighi, A. Spiridonov, A. Stanovnik, M. Starič, C. Stegmann, H. S. Subramania, M. Symalla, I. Tikhomirov, M. Titov, I. Tsakov, U. Uwer, C. Van Eldik, Yu Vassiliev, M. Villa, A. Vitale, I. Vukotic, H. Wahlberg, A. H. Walenta, M. Walter, J. J. Wang, D. Wegener, U. Werthenbach, H. Wolters, R. Wurth, A. Wurz, S. Xella-Hansen, Yu Zaitsev, M. Zavertyaev, T. Zeuner, A. Zhelezov, Z. Zheng, R. Zimmermann, T. Živko, A. Zoccoli
  • Max-Planck-Institut für Physik
  • University of Dortmund
  • Max-Planck-Institut für Kernphysik
  • c/o DESY
  • LIP Coimbra
  • Institute of Nuclear Research, National Academy of Sciences in Ukraine
  • High Energy Physics Institute
  • Institute for Theoretical and Experimental Physics
  • University of Bologna
  • Joint Institute for Nuclear Research, Dubna
  • Science Park 105
  • Universität Siegen
  • Universiteit Utrecht
  • University of Oslo
  • University of Barcelona
  • Niels Bohr Institutet
  • University of Heidelberg
  • Institute of High Energy Physics, Chinese Academy of Sciences
  • University of Mannheim
  • National Research Nuclear University MEPhI
  • Moscow State University
  • Department of Biochemistry and Molecular and Structural Biology
  • University of Cincinnati
  • Kurchatov Institute
  • University of Houston
  • Universität Rostock
  • Humboldt-Universität zu Berlin
  • University of Maribor
  • University of California, Los Angeles
  • University of Ljubljana
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • University of Florence
  • Physik-Institut der Universität Zürich
  • Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
  • Fondazione Giuseppe Occhialini
  • Tsinghua University

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

4 Citations (Scopus)

Résumé

Inclusive doubly differential cross sections d 2 σ pA /dx F ∈ dp T 2 as a function of Feynman-x (x F ) and transverse momentum (p T ) for the production of K S 0 , Λ and Λ in proton-nucleus interactions at 920 GeV are presented. The measurements were performed by HERA-B in the negative x F 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 σ pApN · A α where σ pN is the proton-nucleon cross section. The measured values of α are all near one. The results are compared with EPOS 1.67 and PYTHIA 6.3. EPOS reproduces the data to within ≈20% except at very low transverse momentum.

langue originaleAnglais
Pages (de - à)207-221
Nombre de pages15
journalEuropean Physical Journal C
Volume61
Numéro de publication2
Les DOIs
étatPublié - 1 janv. 2009
Modification externeOui

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