Model-independent analysis of soft masses in heterotic string models with anomalous U(1) symmetry

被引：22

作者：

Kawamura, Y ^{[1
]}

机构：

[1] Shinshu Univ, Dept Phys, Matsuyama, Ehime 3900802, Japan

来源：

PHYSICS LETTERS B | 1999年 / 446卷 / 3-4期

关键词：

superstring theory; anomalous U(1) symmetry; soft SUSY breaking parameters;

D O I：

10.1016/S0370-2693(98)01574-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the magnitudes of soft masses in heterotic string models with anomalous U(1) symmetry model-independently. In most cases, D-term contribution to soft scalar masses is expected to be comparable to or dominant over other contributions provided that supersymmetry breaking is mediated by the gravitational interaction and/or an anomalous U(1) symmetry and the magnitude of vacuum energy is not more than of order m(3/2)(2)M(2). (C) 1999 Published by Elsevier Science B.V. All rights reserved.

引用

页码：228 / 237

页数：10

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