Charged-Higgs effects in a new B ---> D [Tau Nu] differential decay distribution
We show that the decay mode B -> D tau nu is competitive with and complementary to B -> tau nu in the search for charged-Higgs effects. Updating the relevant form factors, we find that the differential distribution in the decay chain B -> D nu tau[-> pi nu] excellently discriminates betw...
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| Main Authors: | , , |
|---|---|
| Format: | Article (Journal) |
| Language: | English |
| Published: |
11 July 2008
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| In: |
Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2008, Volume: 78, Issue: 1 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.78.015006 |
| Online Access: | Verlag, Pay-per-use, Volltext: http://dx.doi.org/10.1103/PhysRevD.78.015006 Verlag, Pay-per-use, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.78.015006 |
| Author Notes: | Ulrich Nierste, Stephanie Trine, and Susanne Westhoff |
MARC
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| 520 | |a We show that the decay mode B -> D tau nu is competitive with and complementary to B -> tau nu in the search for charged-Higgs effects. Updating the relevant form factors, we find that the differential distribution in the decay chain B -> D nu tau[-> pi nu] excellently discriminates between Standard-Model and charged-Higgs contributions. By measuring the D and pi energies and the angle between the D and pi three-momenta one can determine the effective charged-Higgs coupling including a possible CP-violating phase. | ||
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