Relating D0-anti-D0 Mixing and D0 -> l+l- with New Physics

Details Relating D0-anti-D0 Mixing and D0 -> l+l- with New Physics Relating D0-anti-D0 Mixing and D0 -> l+l- with New Physics

2009-03-16

arxiv.org/abs/0903.2830v2

Phys.Rev.D79:114030,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages, 3 figures; typos corrected and references added

Scientific paper

10.1103/PhysRevD.79.114030

We point out how, in certain models, the same combination of New Physics couplings occur in the amplitudes for both D0-anti-D0 mixing and the rare decays D0 -> l+l-. If the New Physics dominates and is responsible for the observed mixing, then a very simple correlation exists between the magnitudes of each; in fact the rates for the decay D0 -> l+l- are completely fixed by the mixing. Observation of D0 -> l+l- in excess of the Standard Model prediction could identify New Physics contributions to D0-anti-D0 mixing.

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