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Title: {tau}{sup -}{yields}{mu}{sup -}{pi}{sup 0}({eta},{eta}{sup '}) decays in new physics scenarios beyond the standard model

Abstract

The semileptonic decays {tau}{sup -}{yields}{mu}{sup -}M(M={pi}{sup 0},{eta},{eta}{sup '}) could be sensitive probes for new physics scenarios with lepton flavor violation (LFV). Motivated by the recent Belle measurement, we investigate these decays in the type III two-Higgs-doublet model, R-parity violating supersymmetric models, and flavor changing Z{sup '} models with family nonuniversal couplings, respectively. In these new physics scenarios, there are LFV couplings at tree level. Our results have shown that the decays are very sensitive to the LFV couplings and could be enhanced to the present experimental sensitivities. We have derived tighter bounds on relevant couplings of these models, which may be useful for further relevant studies.

Authors:
; ;  [1]
  1. Department of Physics, Henan Normal University, XinXiang, Henan, 453007 (China)
Publication Date:
OSTI Identifier:
20782789
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. D, Particles Fields; Journal Volume: 73; Journal Issue: 7; Other Information: DOI: 10.1103/PhysRevD.73.073005; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CONSERVATION LAWS; ETA MESONS; ETA PRIME-958 MESONS; FLAVOR MODEL; HIGGS BOSONS; HIGGS MODEL; MUONS MINUS; PARITY; PIONS NEUTRAL; SEMILEPTONIC DECAY; SENSITIVITY; STANDARD MODEL; SUPERSYMMETRY; TAU PARTICLES

Citation Formats

Li Wenjun, Yang Yadong, and Zhang Xiangdan. {tau}{sup -}{yields}{mu}{sup -}{pi}{sup 0}({eta},{eta}{sup '}) decays in new physics scenarios beyond the standard model. United States: N. p., 2006. Web. doi:10.1103/PHYSREVD.73.073005.
Li Wenjun, Yang Yadong, & Zhang Xiangdan. {tau}{sup -}{yields}{mu}{sup -}{pi}{sup 0}({eta},{eta}{sup '}) decays in new physics scenarios beyond the standard model. United States. doi:10.1103/PHYSREVD.73.073005.
Li Wenjun, Yang Yadong, and Zhang Xiangdan. Sat . "{tau}{sup -}{yields}{mu}{sup -}{pi}{sup 0}({eta},{eta}{sup '}) decays in new physics scenarios beyond the standard model". United States. doi:10.1103/PHYSREVD.73.073005.
@article{osti_20782789,
title = {{tau}{sup -}{yields}{mu}{sup -}{pi}{sup 0}({eta},{eta}{sup '}) decays in new physics scenarios beyond the standard model},
author = {Li Wenjun and Yang Yadong and Zhang Xiangdan},
abstractNote = {The semileptonic decays {tau}{sup -}{yields}{mu}{sup -}M(M={pi}{sup 0},{eta},{eta}{sup '}) could be sensitive probes for new physics scenarios with lepton flavor violation (LFV). Motivated by the recent Belle measurement, we investigate these decays in the type III two-Higgs-doublet model, R-parity violating supersymmetric models, and flavor changing Z{sup '} models with family nonuniversal couplings, respectively. In these new physics scenarios, there are LFV couplings at tree level. Our results have shown that the decays are very sensitive to the LFV couplings and could be enhanced to the present experimental sensitivities. We have derived tighter bounds on relevant couplings of these models, which may be useful for further relevant studies.},
doi = {10.1103/PHYSREVD.73.073005},
journal = {Physical Review. D, Particles Fields},
number = 7,
volume = 73,
place = {United States},
year = {Sat Apr 01 00:00:00 EST 2006},
month = {Sat Apr 01 00:00:00 EST 2006}
}