Proton decay and axion dark matter in SO(10) grand unification via minimal left-right symmetry

被引：4

作者：

Hamada, Yuta ^{[1
]}

Ibe, Masahiro ^{[2
,3
]}

Muramatsu, Yu ^{[4
,5
]}

Oda, Kin-ya ^{[6
]}

Yokozaki, Norimi ^{[7
]}

机构：

[1] Univ Paris, Astroparticule & Cosmol, CNRS, F-75013 Paris, France

[2] Univ Tokyo, ICRR, Kashiwa, Chiba 2778582, Japan

[3] Univ Tokyo, UTIAS, Kavli IPMU WPI, Kashiwa, Chiba 2778583, Japan

[4] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China

[5] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Hubei, Peoples R China

[6] Osaka Univ, Dept Phys, Osaka 5600043, Japan

[7] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

来源：

EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 05期

基金：

中国国家自然科学基金;

关键词：

RENORMALIZATION-GROUP; QUANTUM COHERENCE; CP CONSERVATION; PARITY; MASS; LEPTOGENESIS; INVARIANCE; COSMOLOGY; BREAKING; MODEL;

D O I：

10.1140/epjc/s10052-020-7922-x

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 study the proton lifetime in the SO(10) Grand Unified Theory (GUT), which has the left-right (LR) symmetric gauge theory below the GUT scale. In particular, we focus on the minimal model without the bi-doublet Higgs field in the LR symmetric model, which predicts the LR-breaking scale at around 10(10-12) GeV. TheWilson coefficients of the proton decay operators turn out to be considerably larger than those in the minimal SU(5) GUT model especially when the StandardModel Yukawa interactions are generated by integrating out extra vector-like multiplets. As a result, we find that the proton lifetime can be within the reach of the Hyper-Kamiokande experiment even when the GUT gauge-boson mass is in the 10(16)-10(17) GeV range. We also show that the mass of the extra vector-like multiplets can be generated by the Peccei-Quinn symmetry breaking in a consistent way with the axion dark matter scenario.

引用

页数：13

共 44 条

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[42] Standard coupling unification in SO(10), hybrid seesaw neutrino mass and leptogenesis, dark matter, and proton lifetime predictions
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[43] Inflation, proton decay, and Higgs-portal dark matter in SO(10)×U(1)ψ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$SO(10) \times U(1)_\psi $$\end{document}
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[44] Post-sphaleron baryogenesis and n\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$n$$\end{document}–n¯\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\overline{n}$$\end{document} oscillation in non-SUSY SO(10) GUT with gauge coupling unification and proton decay
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