Production Of Lambda-Hyperons In Inelastic P Plus P Interactions At 158 Gev/C

A. Aduszkiewicz,Y. Ali,E. Andronov,T. Anticic,N. Antoniou, B. Baatar, F. Bay, A. Blondel,M. Bogomilov, A. Brandin,A. Bravar, J. Brzychczyk,S. A. Bunyatov, O. Busygina,P. Christakoglou,M. Cirkovic,T. Czopowicz,A. Damyanova, N. Davis,H. Dembinski,M. Deveaux, F. Diakonos,S. Di Luise,W. Dominik,J. Dumarchez, K. Dynowski, R. Engel,A. Ereditato,G. A. Feofilov,Z. Fodor, A. Garibov,M. Gazdzicki,M. Golubeva,K. Grebieszkow, A. Grzeszczuk,F. Guber, A. Haesler,T. Hasegawa, A. E. Herve,M. Hierholzer, S. Igolkin,A. Ivashkin, S. R. Johnson,K. Kadija,A. Kapoyannis, E. Kaptur,J. Kisiel, T. Kobayashi,V. I. Kolesnikov, D. Kolev,V. P. Kondratiev,A. Korzenev,K. Kowalik,S. Kowalski,M. Koziel, A. Krasnoperov,M. Kuich,A. Kurepin,D. Larsen,A. Laszlo,M. Lewicki, V. V. Lyubushkin,M. Mackowiak-Pawlowska,B. Maksiak,A. I. Malakhov,D. Manic,A. Marcinek,A. D. Marino,K. Marton, H. -J. Mathes,T. Matulewicz, V. Matveev, G. L. Melkumov, B. Messerly, G. B. Mills,S. Morozov,S. Mrowczynski,Y. Nagai, T. Nakadaira,M. Naskret, M. Nirkko,K. Nishikawa, A. D. Panagiotou, V. Paolone, M. Pavin, O. Petukhov,C. Pistillo,R. Planeta,B. A. Popov, M. Posiadala,S. Pulawski, J. Puzovic,W. Rauch, M. Ravonel, A. Redij, R. Renfordt, E. Richter-Was,A. Robert,D. Rohrich,E. Rondio,M. Roth, A. Rubbia, B. T. Rumberger,A. Rustamov,M. Rybczynski,A. Sadovsky,K. Sakashita,K. Schmidt,T. Sekiguchi, I. Selyuzhenkov,A. Seryakov, P. Seyboth,D. Sgalaberna,M. Shibata,M. Slodkowski,P. Staszel,G. Stefanek,J. Stepaniak, H. Stroebele,T. Susa,M. Szuba,M. Tada, A. Taranenko,D. Tefelski, V. Tereshchenko,R. Tsenov,L. Turko,R. Ulrich,M. Unger,M. Vassiliou,D. Veberic,V. V. Vechernin, G. Vesztergombi,L. Vinogradov,A. Wilczek, Z. Wlodarczyk,A. Wojtaszek-Szwarc,O. Wyszynski,L. Zambelli, E. D. Zimmerman

European Physical Journal C(2016)

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摘要
Inclusive production of Lambda-hyperons was measured with the large acceptance NA61/SHINE spectrometer at the CERN SPS in inelastic p+p interactions at beam momentum of 158 GeV/c. Spectra of transverse momentum and transverse mass as well as distributions of rapidity and x(F) are presented. The mean multiplicity was estimated to be 0.120+/-0.006 (stat.) +/-0.010 (sys.). The results are compared with previous measurements and predictions of the EPOS, URQMD and FRITIOF models.
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