Investigation of the Higgs boson anomalous FCNC interactions in the simple 3-3-1 model

被引：2
|
作者：
Huong, D. T. [1 ]
Duy, N. T. [1 ,2 ]
机构：
[1] VAST, Inst Phys, 10 Dao Tan, Hanoi, Vietnam
[2] Grad Univ Sci & Technol, Vietnam Acad Sci & Technol, 18 Hoang Quoc Viet, Hanoi, Vietnam
来源：
EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 05期
关键词：
DARK-MATTER; CHARGE QUANTIZATION; TOP QUARK; FLAVOR; STANDARD; DECAYS;
D O I：
10.1140/epjc/s10052-020-7937-3
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：
We study phenomenological constraints on the simple 3-3-1 model with flavor-violating Yukawa couplings. Both Higgs triplets couple to leptons and quarks, which generates flavor-violating signals in both lepton and quark sectors. We have shown that this model allows for a large Higgs lepton flavor-violating rate decay h ->mu tau and also may reach perfect agreement with other experimental constraints such as tau ->mu gamma and (g-2)mu. The contributions of flavor-changing neutral current couplings, Higgs-quark-quark couplings, mixing to the mesons are investigated. Br(h -> qq ')\ can be enhanced acknowledging the measurements of meson mixing. The branching ratio for t -> qh can reach up to 10(-3), but it could be as low as 10(-8).
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页数：11
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