Connecting dark matter, baryogenesis and neutrinoless double beta decay in a A4 ⊗ Z8-based ν2HDM

被引：1

作者：

Sarma, Lavina ^{[1
]}

Paul, Partha Kumar ^{[1
,2
]}

Das, Mrinal Kumar ^{[1
]}

机构：

[1] Tezpur Univ, Dept Phys, Tezpur 784028, Assam, India

[2] Indian Inst Technol Hyderabad, Dept Phys, Sangareddy 502285, Telangana, India

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2022年 / 37卷 / 27期

关键词：

Standard Model; nu; 2HDM; flavor symmetry; sterile neutrino; neutrino mass; neutrinoless double beta decay; leptogenesis; dark matter; STERILE NEUTRINO; MASS; LEPTOGENESIS; CONSTRAINTS;

D O I：

10.1142/S0217751X22501573

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

In this paper, we discuss the impact of neutrino phenomenology and related cosmology on an A(4) circle times Z(8) symmetric nu 2HDM along with an addition of a new particle, i.e. a gauge singlet (S). The additional particle is a sterile neutrino which is considered to be a probable dark matter (DM) candidate in our work. With the choice of sterile neutrino mass in keV range, we evaluate the active-DM mixing angle, decay rate and relic abundance considering various cosmological constraints. Simultaneously, a detailed analysis on baryogenesis and neutrinoless double beta decay is also carried out for low-scale right-handed neutrino masses. We have considered various bounds from experiments such as Lyman-a, X-ray observation, Planck data and KamLAND-Zen limit to validate the model with respect to the phenomena studied in it.

引用

页数：20

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