The minimal flavour violating axion

被引：57

作者：

Arias-Aragon, F. ^{[1
]}

Merlo, L.

机构：

[1] Univ Autonoma Madrid, Dept Fis Teor, CSIC, E-28049 Madrid, Spain

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2017年 / 10期

关键词：

Beyond Standard Model; Global Symmetries; CP violation; Quark Masses and SM Parameters; STRONG-CP PROBLEM; QUARK MASSES; LIGHT HIGGS; DARK-MATTER; SYMMETRY; MODELS; A(4); CONSTRAINTS; PHYSICS; SEARCH;

D O I：

10.1007/JHEP10(2017)168

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：

The solution to the Strong CP problem is analysed within the Minimal Flavour Violation (MFV) context. An Abelian factor of the complete flavour symmetry of the fermionic kinetic terms may play the role of the Peccei-Quinn symmetry in traditional axion models. Its spontaneous breaking, due to the addition of a complex scalar field to the Standard Model scalar spectrum, generates the MFV axion, which may redefine away the QCD theta parameter. It differs from the traditional QCD axion for its couplings that are governed by the fermion charges under the axial Abelian symmetry. It is also distinct from the so-called Axiflavon, as the MFV axion does not describe flavour violation, while it does induce flavour non-universality effects. The MFV axion phenomenology is discussed considering astrophysical, collider and flavour data.

引用

页数：25

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