Lepton flavour violating pion decay pi^+ --> mu^- nu_μe^+ e^+ and the SU(3)_C X SU(3)_L X U(1) model

Details Lepton flavour violating pion decay pi^+ --> mu^- nu_μe^+ e^+ and the SU(3)_C X SU(3)_L X U(1) model Lepton flavour violating pion decay pi^+ --> mu^- nu_μe^+ e^+ and the SU(3)_C X SU(3)_L X U(1) model

1999-12-10

arxiv.org/abs/hep-ph/9912304v1

Phys.Atom.Nucl.64:103-106,2001; Yad.Fiz.64:106-109,2001

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures, Latex, axodraw.sty used, to be published in Phys. Atom. Nucl.

Scientific paper

10.1134/1.1344948

In the framework of the minimal ${SU}(3)_C\otimes {SU}(3)_L \otimes {U}(1)_N$ model, the lepton-flavour-violating decay $\pi^+ \ra \mu^- \nu_\mu e^+ e^+ $ is calculated without directly invoking lepton mixing. The branching ratio for this rare pion decay mode is found to be much smaller than the current experimental upper limit. Dropping out anomalous interactions, this result coincides with the previous calculation .

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