中文

膨胀统计模型中带电粒子横向能量与多重度估计

高能物理 - 唯象学 2009-11-10 v1

摘要

在膨胀统计模型中,对从 AGS 到 RHIC 的重离子碰撞,在 sNN=200\sqrt{s_{NN}}=200 GeV 处评估了中部快度区内的横向能量、带电粒子多重度及其比值 dET/dηmid/dNch/dηmiddE_{T}/d\eta\mid_{mid} / dN_{ch}/d\eta|_{mid}。在计算 dET/dηmiddE_{T}/d\eta|_{mid}dNch/dηmiddN_{ch}/d\eta|_{mid} 时应用了重子共振衰变的完整描述。该模型在由观测到的粒子产额和 pTp_{T} 谱独立确定的冻结参数下的预测与实验数据吻合良好。

关键词

引用

@article{arxiv.hep-ph/0412006,
  title  = {The transverse energy per charged particle estimates in the framework of a statistical model},
  author = {Dariusz Prorok},
  journal= {arXiv preprint arXiv:hep-ph/0412006},
  year   = {2009}
}

备注

1 figure (included), 4 pages, To appear in the proceedings of 18th Nuclear Physics Division Conference: Phase Transitions in Strongly Interacting Matter, Prague, Czech Republic, 23-29 Aug 2004