Top quark chromoelectric and chromomagnetic dipole moments in a two Higgs doublet model with CP violation

被引：22

作者：

Gaitan, R. ^{[1
]}

Garces, E. A. ^{[1
,2
]}

Montes de Oca, J. H. ^{[1
]}

Martinez, R. ^{[3
]}

机构：

[1] UNAM, FES Cuautitlan, Dept Fis, Estado De Mexico 54770, Mexico

[2] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico

[3] Univ Nacl Colombia, Dept Fis, Bogota Distrito Capital, Colombia

来源：

PHYSICAL REVIEW D | 2015年 / 92卷 / 09期

关键词：

COUPLINGS; DECAY; PROBE;

D O I：

10.1103/PhysRevD.92.094025

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this work we study the anomalous top quark-gluon couplings chromoelectric dipole moment and chromomagnetic dipole moment in a general two Higgs doublet model with CP violation. We find that this model provides an important contribution from the Y-tt Yukawa coupling that needs to be taken into account. The predictions for the chromomagnetic dipole moment and chromoelectric dipole moment obtained are -0.03 < Delta<(k)over tilde>(t) < -0.005 and vertical bar Delta<(d)over tilde>(t)vertical bar < 0.005, respectively.

引用

页数：6

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