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Xi^- and anti-Xi^+ Production in Central Pb+Pb Collisions at 158 GeV/c per Nucleon (CROSBI ID 94487)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Afanasiev, S.V. ; Antičić, Tome ; Barna, D. ; Bartke, J. ; Barton, R.A. ; Betev, L. ; Bialkowska, H. ; Billmeier, A. ; Blume, C. ; Blyth, C.O. et al. Xi^- and anti-Xi^+ Production in Central Pb+Pb Collisions at 158 GeV/c per Nucleon // Physics letters. B, 538 (2002), 275-281

Podaci o odgovornosti

Afanasiev, S.V. ; Antičić, Tome ; Barna, D. ; Bartke, J. ; Barton, R.A. ; Betev, L. ; Bialkowska, H. ; Billmeier, A. ; Blume, C. ; Blyth, C.O. ; Boimska, B. ; Botje, M. ; Bracinik, J. ; Bramm, R. ; Brun, R. ; Buncic, P. ; Cerny, V. ; Cramer, J.G. ; Csato, P. ; Dinkelaker, P. ; Eckardt, V. ; Filip, P. ; Fischer, H.G. ; Fodor, Z. ; Foka, P. ; Freund, P. ; Friese, V. ; Gal, J. ; Gazdzicki, M. ; Georgopoulos, G. ; Gladysz, E. ; Hegyi, S. ; Hohne, C. ; Igo, G. ; Jones, P.G. ; Kadija, Krešo ; Karev, A. ; Kolesnikov, V.I. ; Kollegger, T. ; Kowalski, M. ; Kraus, I. ; Kreps, M. ; Levai, P. ; Malakhov, A.I. ; Margetis, S. ; Markert, C. ; Mayes, B.W. ; Melkumov, G.L. ; Mischke, A. ; Molnar, J. ; Nelson, J.M. ; Palla, G. ; Panagiotou, A.D. ; Perl, K. ; Petridis, A. ; Pikna, M. ; Pinsky, L. ; Puhlhofer, F. ; Reid, J.G. ; Renfordt, R. ; Retyk, W. ; Roland, C. ; Roland, G. ; Rybicki, A. ; Sammer, T. ; Sandoval, A. ; Sann, H. ; Schmitz, N. ; Seyboth, P. ; Sikler, F. ; Sitar, B. ; Skrzypczak, E. ; Squier, G.T.A. ; Stock, R. ; Strobele, H. ; Šuša, Tatjana ; Szentpetery, I. ; Sziklai, J. ; Trainor, T.A. ; Varga, D. ; Vassiliou, M. ; Veres, G.I. ; Vesztergombi, G. ; Vranić, Danilo ; Wenig, S. ; Wetzler, A. ; Whitten, C. ; Yoo, I.K. ; Zaranek, J. ; Zimany, J.

engleski

Xi^- and anti-Xi^+ Production in Central Pb+Pb Collisions at 158 GeV/c per Nucleon

Results of the production of Xi and Xi-bar hyperons in central Pb+Pb interactions at 158 GeV/c per nucleon are presented. This analysis utilises a global reconstruction procedure, which allows a measurement of 4pi integrated yields to be made for the first time. Inverse slope paramters, which are determined from an exponential fit to the transverse mass spectra, are shown. Central rapidity densities are found to be 1.49 +- 0.08 and 0.33 +- 0.04 per event per unit of rapidity for Xi and Xi-bar respectively. Yields integrated to full phase space are 4.12 +- 0.02 and 0.77 +- 0.04 for Xi and Xi-bar. The ratio of Xi-bar/Xi at mid-rapidity is 0.22 +- 0.03.

cascade production; central Pb+Pb collisions; NA49 experiment

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Podaci o izdanju

538

2002.

275-281

objavljeno

0370-2693

Povezanost rada

Fizika

Poveznice
Indeksiranost