Electric dipole moment of the top quark within an effective theory

被引：0

作者：

Novales-Sanchez, H. ^{[1
]}

Toscano, J. J. ^{[1
]}

机构：

[1] Benemerita Univ Autonoma Puebla, Fac Ciencias Fis Matemat, Puebla, Pue, Mexico

来源：

PARTICLES AND FIELDS | 2009年 / 1116卷

关键词：

Electric dipole moment; top quark;

D O I：

暂无

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：

Using the effective Lagrangian approach, we develope the trilinear contributions originated in the dimension-six electroweak invariants (O) over tilde (W) = (1/3)epsilon(ijk)W(nu)(i mu)W(lambda)(j nu)W(mu)(k lambda) and (O) over tilde (WB) = (1/2)(B) over bar (alpha beta)W(c alpha beta)Phi(dagger)tau(c)Phi, and then we insert the corresponding vertices in a one-loop ttV diagram, with V off-shell, generating the structure of the electric dipole moment. Using a nonlinear gauge, we prove that the results are gauge independent. Finally, we present the analytic expressions for the electric dipole form factors originated in each invariant introduced.

引用

页码：443 / 446

页数：4

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