Testing dark matter with the anomalous magnetic moment in a dark matter quantum electrodynamics model

被引：1

作者：

Das, Ashok K. ^{[1
,2
]}

Gamboa, Jorge ^{[3
]}

Mendez, Fernando ^{[3
]}

Tapia, Natalia ^{[3
]}

机构：

[1] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA

[2] Inst Phys, Sachivalaya Marg, Bhubaneswar 751005, Orissa, India

[3] Univ Santiago Chile, Dept Fis, Casilla 307, Santiago, Chile

来源：

MODERN PHYSICS LETTERS A | 2017年 / 32卷 / 33期

关键词：

MASS; SEARCHES; LIMITS;

D O I：

10.1142/S0217732317501759

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider a model of dark quantum electrodynamics (QEDs) which is coupled to a visible photon through a kinetic mixing term. We compute the g(x) - 2 for the dark fermion, where g(x) is its gyromagnetic factor. We show that the g(x)- 2 of the dark fermion is related to the g(x)'- 2 of ( visible) QEDs through a constant which depends on the kinetic mixing factor. We determine g(x)-2 as a function of the mass ratio k = m(B)/m., where m(B) and m(x) denote the masses of the dark photon and the dark fermion, respectively, and we show how g(x) - 2 becomes very different for light and heavy fermions around m(B) <= 10(- 4) eV.

引用

页数：13

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