Bose-Einstein correlations of charged kaons in central Pb + Pb collisions at Ebeam = 158 GeV per nucleon

S. V. Afanasiev, T. Anticic, B. Baatar, D. Barna, J. Bartke, R. A. Barton, M. Behler, L. Betev, H. Białkowska, A. Billmeier, C. Blume, C. O. Blyth, B. Boimska, M. Botje, J. Bracinik, R. Bramm, R. Brun, P. Bunčić, V. Cerny, O. ChvalaJ. G. Cramer, P. Csató, P. Dinkelaker, V. Eckardt, P. Filip, Z. Fodor, P. Foka, P. Freund, V. Friese, J. Gál, M. Gaździcki, G. Georgopoulos, E. Gładysz, S. Hegyi, C. Höhne, G. Igo, P. G. Jones, K. Kadija, A. Karev, V. I. Kolesnikov, T. Kollegger, M. Kowalski, I. Kraus, M. Kreps, M. Van Leeuwen, R. Lednicky, P. Lévai, A. I. Malakhov, S. Margetis, C. Markert, B. W. Mayes, G. L. Melkumov, C. Meurer, A. Mischke, M. Mitrovski, J. Molnár, J. M. Nelson, G. Pálla, A. D. Panagiotou, K. Perl, A. Petridis, M. Pikna, L. Pinsky, F. Pühlhofer, J. G. Reid, R. Renfordt, W. Retyk, C. Roland, G. Roland, A. Rybicki, T. Sammer, A. Sandoval, H. Sann, N. Schmitz, P. Seyboth, F. Siklér, B. Sitar, E. Skrzypczak, G. T.A. Squier, R. Stock, H. Ströbele, T. Susa, I. Szentpétery, J. Sziklai, T. A. Trainor, D. Varga, M. Vassiliou, G. I. Veres, G. Vesztergombi, D. Vranić, A. Wetzler, C. Whitten, I. K. Yoo, J. Zaranek, J. Zimányi

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Abstract

Bose-Einstein correlations of charged kaons were measured near mid-rapidity in central Pb + Pb collisions at 158 A GeV by the NA49 experiment at the CERN SPS. Source radii were extracted using the Yano-Koonin-Podgoretsky and Bertsch-Pratt parameterizations. The results are compared to published pion and kaon data. The measured m dependence for kaons and pions is consistent with collective transverse expansion of the source and a freeze-out time of about 9.5 fm.

Original languageEnglish
Pages (from-to)157-166
Number of pages10
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume557
Issue number3-4
DOIs
Publication statusPublished - Apr 3 2003

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Afanasiev, S. V., Anticic, T., Baatar, B., Barna, D., Bartke, J., Barton, R. A., Behler, M., Betev, L., Białkowska, H., Billmeier, A., Blume, C., Blyth, C. O., Boimska, B., Botje, M., Bracinik, J., Bramm, R., Brun, R., Bunčić, P., Cerny, V., ... Zimányi, J. (2003). Bose-Einstein correlations of charged kaons in central Pb + Pb collisions at Ebeam = 158 GeV per nucleon. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 557(3-4), 157-166. https://doi.org/10.1016/S0370-2693(03)00102-3