A thermodynamical approach to hadron production in e(+)e(-) collisions

被引：273

作者：

Becattini, F ^{[1
]}

机构：

[1] IST NAZL FIS NUCL,I-50125 FLORENCE,ITALY

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1996年 / 69卷 / 03期

关键词：

D O I：

10.1007/s002880050051

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：

The hadron production in e(+)e(-) collisions is studied assuming that particles originate in a hadron gas at thermal and chemical equilibrium. The parameters of the hadron gas are determined with a fit to the average multiplicities of various hadron species measured at LEP and PEP-PETRA. A strikingly good agreement is found between the predictions of this model and data for almost all particles over a range of production rate of four orders of magnitude. The methods and assumptions of the fit are described and discussed in detail. The temperature of the hadron gas estimated from the fit is around 166 MeV at root s = 91.2 GeV and 181 MeV at root s = 29 divided by 35 GeV.

引用

页码：485 / 492

页数：8

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