核子对破缺过程中的自由能与临界性
核实验
2007-05-23 v2
摘要
在微正则系综中分析了171,172Yb、166,167Er、161,162Dy和148,149Sm的实验能级密度。在激发能E<2 MeV的偶同位素中,亥姆霍兹自由能F标志着从零准粒子到两个准粒子的转变。对于E>2 MeV,奇偶同位素在约0.5 MeV的临界温度Tc处显示出惊人的恒定F,表明核子库珀对随激发能连续熔化。
引用
@article{arxiv.nucl-ex/0209013,
title = {Free energy and criticality in the nucleon pair breaking process},
author = {M. Guttormsen and R. Chankova and M. Hjorth-Jensen and J. Rekstad and S. Siem and A. Schiller and D. J. Dean},
journal= {arXiv preprint arXiv:nucl-ex/0209013},
year = {2007}
}
备注
11 pages, including 6 figures, to be published in Physical Review C