弹核碎裂中最重碎片分布的双模行为
核实验
2009-08-25 v3
摘要
在中能重离子碰撞产生的准弹核衰变中，观测到最重碎片的电荷分布呈双模特征。这一特征被认为是非广延系统中相变的典型信号。本文对60、80和100 MeV/nucleon的Au+Au碰撞实验数据进行了新的分析，表明双模性在很大程度上与数据选择程序和入射道效应无关。此外还提取了该相变潜热的估计值。
引用
@article{arxiv.0812.1871,
title = {Bimodal behavior of the heaviest fragment distribution in projectile fragmentation},
author = {Eric Bonnet and Damien Mercier and Bernard Borderie and Francesca Gulminelli and Marie-France Rivet and Bernard Tamain and R. Bougault and A. Chbihi and R. Dayras and J. D. Frankland and E. Galichet and F. Gagnon-Moisan and D. Guinet and P. Lautesse and J. Lukasik and N. Le Neindre and M. Pârlog and E. Rosato and R. Roy and M. Vigilante and J. P. Wieleczko and B. Zwieglinski},
journal= {arXiv preprint arXiv:0812.1871},
year = {2009}
}
备注
5 pages, submitted to PRL