金金碰撞中的中子-质子椭圆流
核实验
2009-07-17 v1
摘要
提出在相对论能量下富中子体系反应中中子、质子和轻复合粒子的椭圆流作为对超饱和密度下状态方程中对称项强度的敏感观测量。利用UrQMD模型对现有FOPI/LAND实验中400 A MeV能量下197Au + 197Au碰撞数据的初步研究结果，支持一个中等软度的对称项，其势项密度依赖性与(rho/rho_0)^gamma成正比，gamma = 0.9 ± 0.3。
引用
@article{arxiv.0907.2822,
title = {Neutron-proton elliptic flow in Au + Au},
author = {W. Trautmann and M. Chartier and Y. Leifels and R. C. Lemmon and Q. Li and J. Lukasik and A. Pagano and P. Pawlowski and P. Russotto and P. Z. Wu},
journal= {arXiv preprint arXiv:0907.2822},
year = {2009}
}
备注
4 pages, 2 figures, contribution to Proceedings of the XLVII International Winter Meeting on Nuclear Physics, Bormio (Italy), Jan. 26-30, 2009