Common origin of inverse seesaw and baryon asymmetry

被引：5
作者：
Gu, Pei-Hong [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Phys & Astron, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
来源：
PHYSICS LETTERS B | 2020年 / 800卷
基金：
中国国家自然科学基金;
关键词：
NEUTRINO MASS; NUMBER NONCONSERVATION; LEPTON NUMBER; LEPTOGENESIS; BARYOGENESIS; MIXINGS; MODELS;
D O I：
10.1016/j.physletb.2019.135118
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In the inverse seesaw scenario, several fermion singlets have a small Majorana mass term. We show such Majorana masses can be suppressed by some heavy fermion and/or Higgs singlets after a global symmetry is spontaneously broken. These interactions can also accommodate a leptogenesis mechanism to explain the cosmic baryon asymmetry if there are two or more heavy fermion and/or Higgs singlets. (C) 2019 Published by Elsevier B.V.
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页数：7
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