Precise limits from lepton flavour violating processes on the Littlest Higgs model with T-parity
| Autor: | del Aguila, F., Illana, J. I., Jenkins, M. D. |
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| Rok vydání: | 2008 |
| Předmět: | |
| Zdroj: | JHEP 0901:080,2009 |
| Druh dokumentu: | Working Paper |
| DOI: | 10.1088/1126-6708/2009/01/080 |
| Popis: | We recalculate the leading one-loop contributions to mu > e gamma and mu -> eee in the Littlest Higgs model with T-parity, recovering previous results for the former. When all the Goldstone interactions are taken into account, the latter is also ultraviolet finite. The present experimental limits on these processes require a somewhat heavy effective scale ~2.5 TeV, or the flavour alignment of the Yukawa couplings of light and heavy leptons at the ~10% level, or the splitting of heavy lepton masses to a similar precision. Present limits on tau decays set no bounds on the corresponding parameters involving the tau lepton Comment: 41 pages, 11 figures; v3: matches published version in JHEP |
| Databáze: | arXiv |
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