Semitauonic B decay anomaly

E. C.F.S. Fortes; Shmuel Nussinov

doi:10.1103/PhysRevD.93.014023

Semitauonic B decay anomaly

E. C.F.S. Fortes
, Shmuel Nussinov^*

^*Corresponding author for this work

School of Physics and Astronomy

Universidade Estadual Paulista Júlio de Mesquita Filho

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The anomalously large experimentally measured ratios of the semitauonic decay B→D(∗)+τ+ν and the corresponding semileptonic B→D∗+l+ν¯l disagree with the predictions of the standard E.W+QCD model (SM). We briefly comment on this disagreement and on possible new physics explanations which are rather constrained and difficult to implement.

Original language	English
Article number	014023
Journal	Physical Review D
Volume	93
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.93.014023
State	Published - 22 Jan 2016

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10.1103/PhysRevD.93.014023

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AB - The anomalously large experimentally measured ratios of the semitauonic decay B→D(∗)+τ+ν and the corresponding semileptonic B→D∗+l+ν¯l disagree with the predictions of the standard E.W+QCD model (SM). We briefly comment on this disagreement and on possible new physics explanations which are rather constrained and difficult to implement.

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Semitauonic B decay anomaly

Abstract

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