CERN Accelerating science

Article
Report number arXiv:1305.5390
Title The inclusive decay b to ccs revisited
Author(s) Krinner, Fabian (Munich, Tech. U.) ; Lenz, Alexander (CERN ; Durham U., IPPP) ; Rauh, Thomas (Munich, Tech. U.)
Publication 2013
Imprint 23 May 2013
Number of pages 37
Note Comments: 37 pages
Comments: 37 pages
In: Nucl. Phys. B 876 (2013) 31-54
DOI 10.1016/j.nuclphysb.2013.07.028
Subject category Particle Physics - Phenomenology
Abstract The inclusive decay rate b to ccs is enhanced considerably due to perturbative QCD corrections. We recalculate the dominant part of the NLO-QCD corrections, because they cannot be reconstructed from the literature and we give the full expressions in this paper. Further we include some previously neglected corrections originating from penguin diagrams. Combined with the impressive progress in the accurate determination of input parameters like charm quark mass, bottom quark mass and CKM parameters, this enables us to make a very precise prediction of the corresponding branching ratio Br (b to ccs) = (23 pm 2)%. This result is an essential ingredient for a model and even decay channel independent search for new physics effects in B decays.
Copyright/License arXiv nonexclusive-distrib. 1.0

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 Zapis kreiran 2013-05-24, zadnja izmjena 2021-05-03


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