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Three loop calculations and inclusive Vcb
oleh: Marzia Bordone, Bernat Capdevila, Paolo Gambino
| Format: | Article |
|---|---|
| Diterbitkan: | Elsevier 2021-11-01 |
Deskripsi
We discuss the impact of the recent O(αs3) calculations of the semileptonic width of the b quark and of the relation between pole and kinetic heavy quark masses by Fael et al. on the inclusive determination of |Vcb|. The most notable effect is a reduction of the uncertainty. Our final result is |Vcb|=42.16(51)10−3.