中等能量下 Au + Au 碰撞的定向流和椭圆流
核实验
2010-11-05 v1
摘要
利用 INDRA 4π 多探测器测量了入射能量为每核子 40 至 150 MeV 的 Au + Au 系统的定向流和椭圆流。对于半中心碰撞，Z ≤ 2 粒子的椭圆流在每核子约 100 MeV 时从面内增强转变为面外增强，与 FOPI 合作组报告的结果高度一致。定向流在 50 至 60 MeV 每核子的轰击能量之间改变符号，并在较低能量下保持负值。本文讨论了负流出现的条件及其可能的起源。
引用
@article{arxiv.nucl-ex/0410030,
title = {Directed and elliptic flow in Au + Au at intermediate energies},
author = {J. Lukasik and G. Auger and M. L. Begemann-Blaich and N. Bellaize and R. Bittiger and F. Bocage and B. Borderie and R. Bougault and B. Bouriquet and J. L. Charvet and A. Chbihi and R. Dayras and D. Durand and J. D. Frankland and E. Galichet and D. Gourio and D. Guinet and S. Hudan and P. Lautesse and F. Lavaud and A. Le Fevre and R. Legrain and O. Lopez and U. Lynen and W. F. J. Mueller and L. Nalpas and H. Orth and E. Plagnol and E. Rosato and A. Saija and C. Schwarz and C. Sfienti and B. Tamain and W. Trautmann and A. Trzcinski and K. Turzo and E. Vient and M. Vigilante and C. Volant and B. Zwieglinski},
journal= {arXiv preprint arXiv:nucl-ex/0410030},
year = {2010}
}
备注
12 pages, 6 eps figures, elsart, submitted to Phys. Lett. B