SPIN-ISOSPIN POLARIZABILITY OF NUCLEAR-MATTER AND RENORMALIZATION OF WEAK CURRENTS

被引：54

作者：

MUKHOPADHYAY, NC ^{[1
]}

TOKI, H ^{[1
]}

WEISE, W ^{[1
]}

机构：

[1] UNIV REGENSBURG,INST THEORET PHYS,D-8400 REGENSBURG,FED REP GER

来源：

PHYSICS LETTERS B | 1979年 / 84卷 / 01期

关键词：

D O I：

10.1016/0370-2693(79)90643-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a systematic scheme for renormalization of weak and electromagnetic currents due to spin-isospin correlations in a nuclear medium at arbitrary frequency omega; and momentum transfer k. It is shown that knowledge of the many-body renormalization of the Gamow-Teller operator, σiτλeiqx, in terms of a spin-isospin polarization tensor is sufficient to determine the renormalization of all types of spin-isospin operators. Illustrations will be given for kinematic conditions encountered in nuclear muon capture. © 1979.

引用

页码：35 / 40

页数：6

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