Relating D{sup 0}-D{sup 0} mixing and D{sup 0}{yields}l{sup +}l{sup -} with new physics
Journal Article
·
· Physical Review. D, Particles Fields
- Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003 (United States)
- SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California, 94025 (United States)
- Department of Physics and Astronomy, University of Hawaii, Honolulu, Hawaii 96822 (United States)
- Department of Physics and Astronomy, Wayne State University, Detroit, Michigan 48201 (United States)
We point out how, in certain models of new physics, the same combination of couplings occurs in the amplitudes for both D{sup 0}-D{sup 0} mixing and the rare decays D{sup 0}{yields}l{sup +}l{sup -}. 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 D{sup 0}{yields}l{sup +}l{sup -} are completely fixed by the mixing. Observation of D{sup 0}{yields}l{sup +}l{sup -} in excess of the standard model prediction could identify new physics contributions to D{sup 0}-D{sup 0} mixing.
- OSTI ID:
- 21300863
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 11 Vol. 79; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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