CHARGED LEPTON ELECTRIC DIPOLE MOMENT ENHANCEMENT IN THE LORENTZ VIOLATED EXTENSION OF THE STANDARD MODEL

被引:12
|
作者
Haghighat, M. [1 ]
Motie, I. [1 ,2 ]
Rezaei, Z. [1 ,3 ]
机构
[1] Isfahan Univ Technol, Dept Phys, Esfahan 8415683111, Iran
[2] Islamic Azad Univ, Mashhad Branch, Dept Phys, Tehran, Iran
[3] Yazd Univ, Dept Phys, Yazd 89195741, Iran
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2013年 / 28卷 / 24期
关键词
Electric dipole moment; Lorentz violated extension of the standard model; CPT;
D O I
10.1142/S0217751X13501157
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
We consider the Lorentz violated extension of the standard model. In this framework, there are terms that explicitly violate CP-symmetry. We examine the CPT-even d(mu nu)-term to find the electric dipole moment of charged leptons. We show that the form factors besides the momentum transfer, depend on a new Lorentz-scalar, constructing by d(mu nu) and the four momenta of the lepton, as well. Such an energy dependence of the electric dipole form factor leads to an enhancement of the lepton electric dipole moment at high energy, even at the zero momentum transfer. We show that at vertical bar d vertical bar p(2)/m(l)(2) similar to 1 the electric dipole moment of the charged lepton can be as large as 10(-14) e cm.
引用
收藏
页数:13
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