Compositeness condition for non-abelian gauge fields

被引：7

作者：

Akama, K ^{[1
]}

Hattori, T

机构：

[1] Saitama Med Coll, Dept Phys, Moroyama, Saitama 35004, Japan

[2] Kanagawa Dent Coll, Dept Phys, Yokosuka, Kanagawa 238, Japan

来源：

PHYSICS LETTERS B | 1998年 / 445卷 / 1-2期

关键词：

D O I：

10.1016/S0370-2693(98)01453-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We derive and solve the compositeness condition for the SU(N-c) gauge boson at the next-to-leading order in 1/N-f(N-f is the number of flavors) and the leading order in In Lambda(2) (Lambda is the compositeness scale) to obtain an expression for the gauge coupling constant in terms of the compositeness scale. It turns out that the gauge-boson compositeness (with a large Lambda) takes place only when N-f/N-c > 11/2, in which the asymptotic freedom fails. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：106 / 111

页数：6

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