Proton stability in SU(5) x U(1) and SU(6) x SU(2) GUTs

被引：3

作者：

Faraggi, A. E. ^{[1
]}

Paraskevas, M. ^{[2
]}

Rizos, J. ^{[2
]}

Tamvakis, K. ^{[2
]}

机构：

[1] Univ Liverpool, Dept Math Sci, Liverpool L69 7ZL, Merseyside, England

[2] Univ Ioannina, Dept Phys, GR-45110 Ioannina, Greece

来源：

PHYSICAL REVIEW D | 2014年 / 90卷 / 01期

关键词：

FLIPPED SU(5); DECAY; MODEL;

D O I：

10.1103/PhysRevD.90.015036

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider explicit unified models based on the "flipped" SU(5) x U(1) and SU(6) x SU(2) gauge groups in which gauge mediated proton decay operators are suppressed at leading order due to the special placement of matter fields in unified multiplets. We discuss both the theoretical structure and phenomenological implications of these models. For the latter, we examine the viability of the physical spectrum in each scenario and focus on the possible presence of other operators that could also contribute significantly to the proton decay rate.

引用

页数：9

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