PYCNONUCLEAR REACTION-RATES FOR BINARY IONIC MIXTURES

被引：14
|
作者：
ICHIMARU, S
OGATA, S
VANHORN, HM
机构：
[1] UNIV ROCHESTER,DEPT PHYS & ASTRON,ROCHESTER,NY 14627
[2] UNIV ROCHESTER,CE KENNETH MEES OBSERV,ROCHESTER,NY 14627
来源：
ASTROPHYSICAL JOURNAL | 1992年 / 401卷 / 01期
关键词：
DENSE MATTER; NUCLEAR REACTIONS; NUCLEOSYNTHESIS; ABUNDANCES; SUPERNOVAE; GENERAL; WHITE DWARFS;
D O I：
10.1086/186664
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Through a combination of compositional scaling arguments and examinations of Monte Carlo simulation results for the interparticle separations in binary-ionic mixture (BIM) solids, we have derived parameterized expressions for the BIM pycnonuclear rates as generalizations of those in one-component solids obtained previously by Salpeter and Van Horn and by Ogata et al. We have thereby discovered a catalyzing effect of the heavier elements, which enhances the rates of reactions among the lighter elements when the charge ratio exceeds a critical value of approximately 2.3.
引用
收藏
页码：L35 / L38
页数：4
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