Threshold corrections to dimension-six proton decay operators in non-minimal SUSY SU(5) GUTs

被引：17

作者：

Bajc, Borut ^{[1
]}

Hisano, Junji ^{[2
,3
,4
]}

Kuwahara, Takumi ^{[3
]}

Omura, Yuji ^{[2
]}

机构：

[1] Jozef Stefan Inst, Ljubljana 1000, Slovenia

[2] Nagoya Univ, Kobayashi Maskawa Inst Origin Particles & Univers, Nagoya, Aichi 4648602, Japan

[3] Nagoya Univ, Dept Phys, Nagoya, Aichi 4648602, Japan

[4] Univ Tokyo, UTIAS, Kavli IPMU WPI, Kashiwa, Chiba 2778584, Japan

来源：

NUCLEAR PHYSICS B | 2016年 / 910卷

关键词：

PECCEI-QUINN SYMMETRY; UNIFICATION-SCALE; NUCLEON-DECAY; SUPPRESSION; MASS; SUPERSYMMETRY; PREDICTIONS;

D O I：

10.1016/j.nuclphysb.2016.06.017

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We calculate the high and low scale threshold corrections to the D = 6 proton decay mode in supersymmetric SU(5) grand unified theories with higher-dimensional representation Higgs multiplets. In particular, we focus on a missing-partner model in which the grand unified group is spontaneously broken by the 75-dimensional Higgs multiplet and the doublet triplet splitting problem is solved. We find that in the missing-partner model the D = 6 proton decay rate gets suppressed by about 60%, mainly due to the threshold effect at the GUT scale, while the SUSY-scale threshold corrections are found to be less prominent when sfermions are heavy. (C) 2016 The Authors. Published by Elsevier B.V.

引用

页码：1 / 22

页数：22

共 18 条

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