A SUM-RULE CALCULATION OF THE NEUTRON ELECTRIC-DIPOLE MOMENT FROM A QUARK CHROMOELECTRIC DIPOLE COUPLING

被引：22

作者：

KOGAN, II ^{[1
]}

WYLER, D ^{[1
]}

机构：

[1] UNIV ZURICH,INST THEORET PHYS,CH-8001 ZURICH,SWITZERLAND

来源：

PHYSICS LETTERS B | 1992年 / 274卷 / 01期

关键词：

D O I：

10.1016/0370-2693(92)90310-Z

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The neutron electric dipole moment (NEDM) from a quark chromoelectric dipole moment is calculated using a QCD sumrule approach. We demonstrate that leading contributions to the NEDM come from induced condensates (quark and quark-gluon condensate magnetic susceptibilities) which are also determined. Other possible contributions to the NEDM such as a quark electric dipole moment or a triple gluon operator are briefly discussed.

引用

页码：100 / 110

页数：11

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