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Phys Rev Lett. 2005 Feb 11;94(5):052301. doi: 10.1103/PhysRevLett.94.052301. Epub 2005 Feb 07.

System-size dependence of strangeness production in nucleus-nucleus collisions at squareroot[sNN]=17.3 GeV.

Physical review letters

C Alt, T Anticic, B Baatar, D Barna, J Bartke, L Betev, H Białkowska, A Billmeier, C Blume, B Boimska, M Botje, J Bracinik, R Bramm, R Brun, P Buncić, V Cerny, P Christakoglou, O Chvala, J G Cramer, P Csató, N Darmenov, A Dimitrov, P Dinkelaker, V Eckardt, G Farantatos, D Flierl, Z Fodor, P Foka, P Freund, V Friese, J Gál, M Gaździcki, G Georgopoulos, E Gładysz, K Grebieszkow, S Hegyi, C Höhne, K Kadija, A Karev, M Kliemant, S Kniege, V I Kolesnikov, T Kollegger, E Kornas, R Korus, M Kowalski, I Kraus, M Kreps, M van Leeuwen, P Lévai, L Litov, B Lungwitz, M Makariev, A I Malakhov, C Markert, M Mateev, B W Mayes, G L Melkumov, C Meurer, A Mischke, M Mitrovski, J Molnár, St Mrówczyński, G Pálla, A D Panagiotou, D Panayotov, A Petridis, M Pikna, L Pinsky, F Pühlhofer, J G Reid, R Renfordt, A Richard, C Roland, G Roland, M Rybczyński, A Rybicki, A Sandoval, H Sann, N Schmitz, P Seyboth, F Siklér, B Sitar, E Skrzypczak, G Stefanek, R Stock, H Ströbele, T Susa, I Szentpétery, J Sziklai, T A Trainor, V Trubnikov, D Varga, M Vassiliou, G I Veres, G Vesztergombi, D Vranić, A Wetzler, Z Włodarczyk, I K Yoo, J Zaranek, J Zimányi,

Affiliations

  1. Fachbereich Physik der Universität, Frankfurt, Germany.

PMID: 15783629 DOI: 10.1103/PhysRevLett.94.052301

Abstract

Emission of pi+/-, K+/-, phi, and Lambda was measured in near-central C+C and Si+Si collisions at 158 AGeV beam energy. Together with earlier data for p+p, S+S, and Pb+Pb, the system-size dependence of relative strangeness production in nucleus-nucleus collisions is obtained. Its fast rise and the saturation observed at about 60 participating nucleons can be understood as the onset of the formation of coherent systems of increasing size.

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