SIMILARITY OF HADRON-PRODUCTION IN PP AND HEAVY-ION COLLISIONS

被引：2

作者：

HOANG, TF

机构：

[1] Berkeley, 94709, CA

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1994年 / 61卷 / 02期

关键词：

D O I：

10.1007/BF01413113

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 characteristic features of pseudorapidity distributions of hadron production are investigated in terms of a geometrical parameter h = (dn/deta)0/PHI, PHI being the phase space covered by the eta distribution. It is found that h is about the same for the heavy-ion (HI) and pp collisions at the same energy, the same for pi and K production and behaves as h approximately E(cm)-1/3. This similarity property yields K-/pi- =0.041 +/- 0.004 and K+/K- =4.5 +/- 0.6 for HI collisions at 14.6 GeV/A in agreement with BNL experiments.

引用

页码：341 / 345

页数：5

共 22 条

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