Leptoquarks in FCNC charm decays

Details Leptoquarks in FCNC charm decays Leptoquarks in FCNC charm decays

2008-10-27

arxiv.org/abs/0810.4858v1

Phys.Rev.D79:017502,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 1 figure

Scientific paper

10.1103/PhysRevD.79.017502

Recently it was noticed that among many scenarios of new physics leptoquarks might compensate for the disagreement between the lattice and experimental results for the charmed strange meson decay constant. The leptoquarks might modify also the flavor changing neutral current charm decays. In this study we investigate impact of the scalar leptoquark with electric charge -1/3 on the dilepton invariant mass distribution in the D^+ --> pi^+ mu^+ mu^- decay and on the branching ratios of the D^0 --> mu^+ mu^- using the existing experimental results.

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