Tunneling through a parabolic barrier coupled to an oscillatory degree of freedom: Application to heavy-ion fusion at sub-barrier energies

被引：7
|
作者：
Nobre, G. P. A.
Chamon, L. C.
Carlson, B. V.
Thompson, I. J.
Gasques, L. R.
机构：
[1] Univ Sao Paulo, Inst Fis, Dept Fis Nucl, BR-05315970 Sao Paulo, Brazil
[2] Ctr Tecn Aerospacial, Inst Tecnol Aeronaut, Dept Fis, Sao Jose Dos Campos, Brazil
[3] Univ Surrey, Guildford GU2 7XH, Surrey, England
[4] Australian Natl Univ, Res Sch Phys Sci & Engn, Dept Nucl Phys, Canberra, ACT 0200, Australia
来源：
NUCLEAR PHYSICS A | 2007年 / 786卷
基金：
巴西圣保罗研究基金会;
关键词：
D O I：
10.1016/j.nuclphysa.2007.02.005
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We performed studies of the transmission through a parabolic barrier coupled to a harmonic oscillator degree of freedom. We propose a model to include the effects of the excitation energy in a context similar to that of the frozen approximation. The model results in accurate approximations for the transmission coefficient and it is tested in the description of the heavy-ion fusion. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：90 / 106
页数：17
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