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The anomalous lepton magnetic moment, LFV decays and the fourth generation | | W.J. Huo
; T.F. Feng
; | | Date: |
20 Dec 2002 | | Subject: | hep-ph | | Affiliation: | Peking U.), T.F. Feng (IHEP | | Abstract: | We investigate the lepton flavor violation (LFV) decays, $ au o lgamma$ ($l=mu, e$) and $mu o egamma$, and the newly observed muon $g-2$ anomaly in the framwork of a squential fourth generation model with a heavy fourth neutrino, $
u’$. By using the recent experimental bounds, we take the constraints of the $4 imes 4$ leptonic mixing matrix element factors, $|V_{1
u’} V_{2
u’}|^2$, $|V_{1
u’} V_{3
u’}|^2 $ and $|V_{3
u’} V_{2
u’}|^2$. We find that LFV decays and $g_mu -2$ can exclude most of the parameter space of the 4th generation neutrino mass $m_{
u’}$ and give stringent constraints on the existence of the fourth generation. | | Source: | arXiv, hep-ph/0301153 | | Services: | Forum | Review | PDF | Favorites | |
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