Bevalac上从p-p到Ca-Ca的双轻子产生
核实验
2014-11-18 v1
摘要
DLS合作组最近在Bevalac完成了一项高统计量的双轻子产生研究。特别是,我们测量了来自p-p和p-d碰撞的双电子(e+e-),以理解1.05 - 4.9 GeV能量范围内的基本双轻子产生机制。这些数据可用于确定对核子-核子双轻子产生有贡献的基本过程,例如强子轫致辐射、矢量介子过程和强子Dalitz衰变。数据显示,简单的弹性轫致辐射计算不足以解释数据。将理论模型与数据进行了比较。还对1.05 A GeV的Ca-Ca碰撞进行了一项新的高统计量研究,以研究A-A碰撞的集体性。
引用
@article{arxiv.nucl-ex/9412001,
title = {Dilepton production from p-p to Ca-Ca at the Bevalac},
author = {H. S. Matis and S. Beedoe and M. Bougteb and J. Carroll and W. Christie and W. Gong and T. Hallman and L. Heilbronn and H. Huang and P. N. Kirk and G. Krebs and G. Igo and A. Letessier-Selvon L. Madansky and F. Manso and J. Miller and C. Naudet and R. J. Porter and M. Prunet and G. Roche and L. S. Schroeder and P. Seidl and Z. F. Wang and R. Welsh and W. K. Wilson and A. Yegneswaran},
journal= {arXiv preprint arXiv:nucl-ex/9412001},
year = {2014}
}
备注
6 pages, Preprints available from [email protected]. Will be published in Nuclear Physics A - The Proceedings on the 1994 Nucleus Nucleus Collisions Conference, Taorimina