奇异产生对能量的依赖
核实验
2019-08-14 v2
摘要
我们总结了NA49实验在束流能量20-158 AGeV范围内中心Pb+Pb碰撞中测量的奇异粒子产额。与热强子模型结果的比较表明,在30 AGeV以上,必须采用奇异欠饱和参数gamma_S来描述数据。这表明在该能量下奇异产生机制发生了变化。我们发现UrQMD输运模型在所有情况下都低估了观测到的粒子产额。
引用
@article{arxiv.nucl-ex/0412013,
title = {Energy dependence of strangeness production},
author = {Volker Friese},
journal= {arXiv preprint arXiv:nucl-ex/0412013},
year = {2019}
}
备注
Submitted to J. Phys. G (Proceedings of the 8th International Conference on Strangeness in Quark Matter, Cape Town, South Africa, September 15-20, 2004). 10 pages, 5 eps figures. Uses iopart.cls. Version 2: Slight changes according to referee report