期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 7, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP07(2012)004
关键词
Beyond Standard Model; Quark Masses and SM Parameters; CP violation
资金
- Institute of Theoretical Physics of the University of Warsaw
- German Excellence Initiative
- National Science Centre in Poland [DEC-2011/01/M/ST2/02466]
- MNiSW [N N202 091839]
- [PITN-GA-2009-237920 UNILHC]
It is pointed out that in a general class of flavour models one can identify certain universally present FCNC operators, induced by the exchange of heavy flavour messengers. Their coefficients depend on the rotation angles that connect flavour and fermion mass basis. The lower bounds on the messenger scale are derived using updated experimental constraints on the FCNC operators. The obtained bounds are different for different operators and in addition they depend on the chosen set of rotations. Given the sensitivity expected in the forthcoming experiments, the present analysis suggests interesting room for discovering new physics. As the highlights emerge the leptonic processes, mu -> e gamma, mu -> eee and mu -> e conversion in nuclei.
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