Bose-Einstein correlations from opaque sources

被引：32
作者：
Heiselberg, H
Vischer, AP
机构：
[1] NORDITA, DK-2100 Copenhagen O, Denmark
[2] Niels Bohr Inst, DK-2100 Copenhagen, Denmark
来源：
EUROPEAN PHYSICAL JOURNAL C | 1998年 / 1卷 / 3-4期
关键词：
D O I：
10.1007/s100520050108
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Bose-Einstein correlations in relativistic heavy ion collisions are very different for opaque sources than for transparent ones. The Bose-Einstein radius parameters measured in two-particle correlation functions depend sensitively on the mean free path of the particles. In particular we find that the outward radius parameter for an opaque source is smaller than the sideward radius parameter for sufficiently short duration of emission. A long duration of emission can compensate the opacity reduction of the longitudinal radius parameter and explain the experimental measurements of very similar side-and outward radius parameters.
引用
收藏
页码：593 / 597
页数：5
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