INTERFEROMETRY OF PIONS AND KAONS IN HIGH-ENERGY COLLISIONS

被引:57
作者
BOLZ, J
ORNIK, U
PLUMER, M
SCHLEI, BR
WEINER, RM
机构
[1] GSI DARMSTADT, THEORY GRP, W-6100 DARMSTADT, GERMANY
[2] UNIV MARBURG, DEPT PHYS, W-3550 MARBURG, GERMANY
关键词
D O I
10.1016/0370-2693(93)91354-P
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A hydrodynamic model which reproduces the observed rapidity and transverse momentum spectra of mesons and baryons is applied to the study of Bose-Einstein correlations. The pion correlations are found to be strongly affected by resonance decays, except for pairs of large transverse momenta. For S + S at 200 A GeV, in the central rapidity region the effective longitudinal source radii for pions and kaons differ by a factor of 2, the transverse radii by a factor of 1.3. The lifetime of the source can be extracted from kaon interferometry.
引用
收藏
页码:404 / 409
页数:6
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