A microscopic complex potential description of elastic, inelastic cross section in the Coulomb nuclear interference region in the 28Si on 28Si system

被引：2

作者：

Mandal, S

Madhusoodhanan, T

Roy, S

Ray, S

Majumdar, H

Datta, S

Devraj, VR

Mittal, VK

Kabiraj, D

Ghosh, S

Tripathi, A

Mandal, A

Avasthi, DK

Datta, SK

机构：

[1] Ctr Nucl Sci, New Delhi 110067, India

[2] Univ Kalyani, Dept Phys, Kalyani 741235, W Bengal, India

[3] Bangalore Univ, Dept Phys, Bangalore 560056, Karnataka, India

[4] Saha Inst Nucl Phys, Kolkata 700064, W Bengal, India

[5] Univ Calcutta, Dept Phys, Kolkata 700009, W Bengal, India

[6] Osmania Univ, Dept Phys, Hyderabad 500007, Andhra Pradesh, India

[7] Punjabi Univ, Dept Phys, Patiala 147002, Punjab, India

来源：

NUCLEAR PHYSICS A | 1998年 / 634卷 / 03期

关键词：

nuclear reactions Si-28(Si-28; Si-28) (Si-28; Si-28; E=63; 72; MeV; measured sigma(theta); theta(c.m.)=90 degrees; sigma(E); 58-84 MeV coupled-channels analysis with phenomenologically and microscopically obtained potentials;

D O I：

10.1016/S0375-9474(98)00145-6

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：

Elastic and inelastic angular distribution and excitation functions were measured for the Si-28 + Si-28 system in the vicinity of the Coulomb barrier. While the elastic data could be described very well by using fully microscopic complex potential, the inelastic cross sections were found to be more sensitive to small variations in the potential. In particular the Coulomb nuclear interference dip observed in the inelastic excitation functions could not be fitted satisfactorily with calculation. Inclusion of an energy dependent term of Gaussian shape to the associated matrix element with the reorientation coupling in the phenomenological calculations leads to a better fit the inelastic excitation functions. (C) 1998 Elsevier Science B.V.

引用

页码：284 / 306

页数：23

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