Top quark decays with flavor violation in extended models

30th Annual Meeting of the Division of Particles and Fields (DPyC) of the Mexican Physical Society

Aranda, J.I.^1 ; Gómez, D.E.^1 ; Cortés-Maldonado, I.^2 ; Ramirez-Zavaleta, F.^1 ; Tututi, E.S.^1

Facultad de Ciencias Fisico Matemáticas, Universidad Michoacana de San Nicolás de Hidalgo, Avenida Francisco J. Mujica S/N, Moreliá, Michoacan

58060, Mexico^1

Cátedras Consejo Nacional de Ciencia y Tecnologia, México, Mexico^2

关键词: Branching ratio;    Extended model;    New neutral gauge bosons;    Resonant regions;    Top quarks;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/761/1/012022/pdf
DOI  :  10.1088/1742-6596/761/1/012022

来源: IOP

【 摘 要 】

We analyze the top quark decays t → cg and t → cγ mediated by a new neutral gauge boson, identified as Z', in the context of the sequential Z model. We focus our attention on the corresponding branching ratios, which are a function of the Z' boson mass. The study range is taken from 2 TeV to 6 TeV, which is compatible with the resonant region of the dileptonic channel reported by ATLAS and CMS Collaborations. Finally, our preliminary results tell us that the branching ratios of t → cg and t → cγ processes can be of the order of 10-11and 10-13, respectively.