Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2009-11-06
Phys.Rev.D81:057102,2010
Physics
High Energy Physics
High Energy Physics - Experiment
Scientific paper
10.1103/PhysRevD.81.057102
The search for lepton-flavor-violation process e^+e^-\to e\mu in the energy region \sqrt{s}=984 - 1060 MeV with SND detector at VEPP-2M e^+e^- collider is reported. The model independent 90% CL upper limits on the e^+e^-\to e\mu cross section, \sigma_{e\mu} < 11 pb, as well as on the corresponding \phi\to e\mu branching fraction, B(\phi\to e\mu) < 2 \times 10^{-6}, for the final particles polar angles 55^\circ<\theta<125^\circ, were obtained.
Achasov M. N.
Beloborodov K. I.
Bergyugin A. V.
Bogdanchikov A. G.
Bukin A. D.
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