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THERMAL HADRON-PRODUCTION IN HIGH-ENERGY HEAVY-ION COLLISIONS
被引：267
|作者：
CLEYMANS, J
SATZ, H
机构：
[1] CERN,DIV THEORY,CH-1211 GENEVA 23,SWITZERLAND
[2] UNIV BIELEFELD,FAK PHYS,W-4800 BIELEFELD 1,GERMANY
来源：
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
|
1993年
/
57卷
/
01期
关键词：
D O I：
10.1007/BF01555746
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：
We provide a method to test if hadrons produced in high energy heavy ion collisions were emitted at freeze-out from an equilibrium hadron gas. Our considerations are based on an ideal gas at fixed temperature T(f), baryon number density n(B), and vanishing total strangeness. The constituents of this gas are all hadron resonances up to a mass of 2 GeV; they are taken to decay according to the experimentally observed branching ratios. The ratios of the various resulting hadron production rates are tabulated as functions of T(f) and n(B). These tables can be used for the equilibration analysis of any heavy ion data; we illustrate this for some specific cases.
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页码：135 / 147
页数：13
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