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Inclusive V0 production cross sections from 920 GeV fixed target proton-nucleus collisions: The HERA-B Collaboration

  • I. Abt
  • , A. Abyzov
  • , M. Adams
  • , H. Albrecht
  • , V. Amaral
  • , A. Amorim
  • , S. J. Aplin
  • , A. Arefiev
  • , I. Ariño
  • , M. Atiya
  • , V. Aushev
  • , Y. Bagaturia
  • , R. Baghshetsyan
  • , V. Balagura
  • , M. Bargiotti
  • , S. Barsuk
  • , O. Barsukova
  • , V. Bassetti
  • , J. Bastos
  • , C. Bauer
  • T. S. Bauer, M. Beck, A. Belkov, A. Belkov, I. Belotelov, I. Belyaev, K. Berkhan, A. Bertin, B. Bobchenko, M. Böcker, A. Bogatyrev, G. Bohm, C. Borgmeier, M. Bräuer, D. Broemmelsiek, M. Bruinsma, M. Bruschi, P. Buchholz, M. Buchler, T. Buran, M. Capeáns, M. Capponi, J. Carvalho, J. Chamanina, B. X. Chen, R. Chistov, M. Chmeissani, A. Christensen, P. Conde, C. Cruse, M. Dam, K. M. Danielsen, M. Danilov, S. de Castro, H. Deckers, K. Dehmelt, H. Deppe, B. Dolgoshein, X. Dong, H. B. Dreis, M. Dressel, D. Dujmic, R. Eckmann, V. Egorytchev, K. Ehret, V. Eiges, F. Eisele, D. Emeliyanov, S. Erhan, S. Essenov, L. Fabbri, P. Faccioli, W. Fallot-Burghardt, M. Feuerstack-Raible, J. Flammer, H. Fleckenstein, B. Fominykh, S. Fourletov, T. Fuljahn, M. Funcke, D. Galli, A. Garcia, L. Garrido, D. Gascon, A. Gellrich, K. E.K. Gerndt, B. Giacobbe, J. Gläs, T. Glebe, D. Goloubkov, A. Golutvin, I. Golutvin, I. Gorbounov, A. Gorišek, O. Gouchtchine, D. C. Goulart, S. Gradl, W. Gradl, Y. Guilitsky, T. Hamacher, J. D. Hansen, R. Harr, C. Hast, S. Hausmann, J. M. Hernández, M. Hildebrandt, A. Hölscher, K. Höpfner, W. Hofmann, M. Hohlmann, T. Hott, W. Hulsbergen, U. Husemann, O. Igonkina, M. Ispiryan, S. Işsever, H. Itterbeck, J. Ivarsson, T. Jagla, Y. Jia, C. Jiang, A. Kaoukher, H. Kapitza, S. Karabekyan, P. Karchin, N. Karpenko, Z. Ke, S. Keller, F. Khasanov, H. Kim, Y. Kiryushin, I. Kisel, F. Klefenz, K. T. Knöpfle, V. Kochetkov, H. Kolanoski, S. Korpar, C. Krauss, P. Kreuzer, P. Križan, D. Krücker, T. Kvaratskheliia, A. Lange, A. Lanyov, K. Lau, G. Leffers, I. Legrand, B. Lewendel, Y. Q. Liu, T. Lohse, R. Loke, B. Lomonosov, J. Lödemann, R. Männer, R. Mankel, U. Marconi, S. Masciocchi, I. Massa, I. Matchikhilian, G. Medin, M. Medinnis, M. Mevius, A. Michetti, Yu Mikhailov, R. Miquel, R. Mizuk, A. Mohapatra, A. Moshkin, B. Moshous, R. Muresan, S. Nam, M. Negodaev, I. Négri, M. Nörenberg, S. Nowak, M. T. Núñez Pardo de Vera, T. Oest, A. Oliveira, M. Ouchrif, F. Ould-Saada, C. Padilla, P. Pakhlov, Yu Pavlenko, D. Peralta, R. Pernack, T. Perschke, R. Pestotnik, B. AA Petersen, M. Piccinini, M. A. Pleier, M. Poli, V. Popov, A. Pose, D. Pose, I. Potashnikova, V. Pugatch, Y. Pylypchenko, J. Pyrlik, S. Ramachandran, F. Ratnikov, K. Reeves, D. Rebing, K. Riechmann, J. Rieling, M. Rietz, I. Riu, P. Robmann, J. Rosen, Ch Rothe, W. Ruckstuhl, V. Rusinov, V. Rybnikov, D. Ryzhikov, F. Saadi-Lüdemann, D. Samtleben, F. Sánchez, M. Sang, V. Saveliev, A. Sbrizzi, S. Schaller, P. Schlein, M. Schmelling, B. Schmidt, S. Schmidt, W. Schmidt-Parzefall, A. Schreiner, H. Schröder, H. D. Schultz, U. Schwanke, A. J. Schwartz, A. S. Schwarz, B. Schwenninger, B. Schwingenheuer, R. Schwitters, F. Sciacca, S. Semenov, N. Semprini-Cesari, E. Sexauer, L. Seybold, J. Shiu, S. Shuvalov, I. Siccama, D. Škrk, L. Sözüer, A. Soldatov, S. Solunin, A. Somov, S. Somov, V. Souvorov, M. Spahn, J. Spengler, R. Spighi, A. Spiridonov, S. Spratte, A. Stanovnik, M. Starič, R. StDenis, C. Stegmann, S. Steinbeck, O. Steinkamp, D. Stieler, U. Straumann, F. Sun, H. Sun, M. Symalla, S. Takach, N. Tesch, H. Thurn, I. Tikhomirov, M. Titov, U. Trunk, P. Truöl, I. Tsakov, U. Uwer, V. Vagnoni, C. van Eldik, R. van Staa, Yu Vassiliev, M. Villa, A. Vitale, I. Vukotic, G. Wagner, W. Wagner, H. Wahlberg, A. H. Walenta, M. Walter, T. Walter, J. J. Wang, Y. M. Wang, R. Wanke, D. Wegener, U. Werthenbach, P. J. Weyers, H. Wolters, R. Wurth, A. Wurz, S. Xella-Hansen, J. Yang, Yu Zaitsev, M. Zavertyaev, G. Zech, T. Zeuner, A. Zhelezov, Z. Zheng, Z. Zhu, R. Zimmermann, T. Živko, A. Zoccoli, J. Zweizig
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • Joint Institute for Nuclear Research
  • TU Dortmund University
  • German Electron Synchrotron
  • LIP Coim bra and Lisboa
  • Alikhanov Institute for Theoretical and Experimental Physics
  • University of Barcelona
  • Brookhaven National Laboratory
  • NASU - Institute of Nuclear Research
  • High Energy Physics Institute
  • A. Alikhanian Yerevan Institute of Physics
  • University of Bologna
  • Northwestern University
  • Max Planck Institute for Nuclear Physics
  • Utrecht University
  • National Institute for Subatomic Physics
  • University of Rostock
  • University of Siegen
  • Humboldt University of Berlin
  • Wayne State University
  • University of Oslo
  • Moscow Engineering Physics Institute
  • Tsinghua University
  • University of Copenhagen
  • Heidelberg University 
  • CAS - Institute of High Energy Physics
  • University of Texas at Austin
  • University of California at Los Angeles
  • University of Mannheim
  • Jožef Stefan Institute
  • University of Cincinnati
  • Institute for High Energy Physics
  • University of Houston
  • Lund University
  • University of Maribor
  • University of Ljubljana
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • University of Hamburg
  • University of Florence
  • University of Zurich
  • Bulgarian Academy of Sciences

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Inclusive differential cross sections dσpA/dxF and dσpA/dpt2 for the production of Ks0, Λ, and Λ̄ particles are measured at HERA in proton-induced reactions on C, Al, Ti, and W targets. The incident beam energy is 920 GeV, corresponding to √s = 41.6 GeV in the proton-nucleon system. The ratios of differential cross sections dσpA(Ks0)/dσpA(Λ) and dσpA(Λ̄)/dσpA(Λ) are measured to be 6.2 ± 0.5 and 0.66 ± 0.07, respectively, for xF ≈ -0.06. No significant dependence upon the target material is observed. Within errors, the slopes of the transverse momentum distributions dσpA/dpt2 also show no significant dependence upon the target material. The dependence of the extrapolated total cross sections σpA on the atomic mass A of the target material is discussed, and the deduced cross sections per nucleon σPN are compared with results obtained at other energies.

Original languageEnglish
Pages (from-to)181-190
Number of pages10
JournalEuropean Physical Journal C
Volume29
Issue number2
DOIs
StatePublished - Jul 2003

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