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Flavor changing neutral couplings in a model of radiative fermion mass

Authors
  • Wong, Gwo-Guang
  • Hwang, W.Y.P.
Publication Date
Jan 01, 1994
Identifiers
DOI: 10.1103/PhysRevD.50.3447
OAI: oai:inspirehep.net:384276
Source
INSPIRE-HEP
License
Unknown
External links

Abstract

The processes of flavor-changing neutral currents involving neutral gauge bosons are investigated in an asymmetric left-right model where the light fermions get their masses through radiative corrections. The mixings of K0-K¯ 0, D0−D¯ 0, and B0−B¯ 0 are studied and it is found that all, but with a constraint on the upper bound of down-type quark mass mN of the fourth generation, are compatible with the experimental results. The flavor-changing decays of the light neutral gauge boson Z1 and charged leptons are also studied. It is shown that the branching ratio B(Z1→b¯s+bs¯) can reach the order of 10−7 which is within the margin to observe the flavor-changing decays of Z1 at CERN LEP. All processes involving flavor-changing decays of charged leptons are well below the experimental limits.

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