Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5495122 | Physics Letters B | 2017 | 5 Pages |
Abstract
We use recent Belle results on B¯0âDâ+lâν¯l decays to extract the CKM element |Vcb| with two different but well-founded parameterizations of the form factors. We show that the CLN and BGL parameterizations lead to quite different results for |Vcb| and provide a simple explanation of this unexpected behaviour. A long lasting discrepancy between the inclusive and exclusive determinations of |Vcb| may have to be thoroughly reconsidered.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Dante Bigi, Paolo Gambino, Stefan Schacht,