Constraints on a Z′ boson within minimal flavor violation

被引：20
作者：
Kim, C. S. [1 ]
Yuan, Xing-Bo [1 ]
Zheng, Ya-Juan [1 ]
机构：
[1] Yonsei Univ, Dept Phys, Seoul 120749, South Korea
来源：
PHYSICAL REVIEW D | 2016年 / 93卷 / 09期
关键词：
2-HIGGS DOUBLET MODELS; NEUTRINO MASSES; DELTA-I=1/2 RULE; QCD CORRECTIONS; UNIFIED MODEL; B-S; PHYSICS; SYMMETRY; CONSERVATION; DECAYS;
D O I：
10.1103/PhysRevD.93.095009
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We explore a Z' boson coupled only with the Standard Model (SM) fermions (Z'f (f) over bar) in the framework of minimal flavor violation. We study its effects on the processes with lepton flavor violation l(j) -> l(i)l(k)(l) over bar (l), l(j) -> l(i)gamma, mu N- -> e(-)N, quark flavor-changing neutral currents b -> sl (l) over bar, neutral B and K meson mixing, and e(+)e(-) -> f (f) over bar at the LEP experiment to constrain the parameter space of Z' mass and couplings. We find that among those relevant processes, mu -> e gamma, mu -> 3e, mu-e conversion and e(+)e(-) -> f (f) over bar can put more stringent bounds on Z'f (f) over bar couplings normalized by Z' mass. The implications for various processes are obtained, such as B and K mixing and B/K -> Ml(1)(l) over bar (2) decays. In addition, we also analyze Z' signatures at the LHC with root s = 8 and 13 TeV.
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页数：13
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