Baryon number nonconservation as Peccei-Quinn mechanism

被引：1

作者：

Ohata, Takahiro ^{[1
]}

Takeuchi, Kengo ^{[2
]}

Tsumura, Koji ^{[2
]}

机构：

[1] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

[2] Kyushu Univ, Dept Phys, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan

来源：

PHYSICAL REVIEW D | 2021年 / 104卷 / 03期

关键词：

NEUTRINO MASSES; AXION; INVARIANCE; SYMMETRY; MODEL;

D O I：

10.1103/PhysRevD.104.035026

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Baryon number is an accidental symmetry in the standard model, while Peccei-Quinn symmetry is hypothetical symmetry which is introduced to solve the strong CP problem. We study the possible connections between Peccei-Quinn symmetry and baryon number symmetry. In this framework, an axion is identified as the Nambu-Goldstone boson of baryon number violation. As a result, characteristic baryon number violating processes are predicted. We developed the general method to determine the baryon number and lepton number of new scalar in the axion model.

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页数：11

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