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CP Violation in ${\bar B}^0 \to D^{*+} \ell^- {\bar\nu}_\ell$

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arxiv 1906.07752 v1 pith:FGPZMHQY submitted 2019-06-18 hep-ph hep-ex

classification hep-phhep-ex
keywords beencp-violatingdatadecaysdifferentiatediscrepanciesdiscussexplain
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

At present, there are discrepancies with the predictions of the standard model in ${\bar B}^0 \to D^{*+} \ell^- {\bar\nu}_\ell$ decays, hinting at the presence of new physics (NP) in $b \to c \tau^- {\bar\nu}$. Various NP models have been proposed to explain the data. In this talk, I discuss how the measurement of CP-violating observables in ${\bar B}^0 \to D^{*+} \ell^- {\bar\nu}_\ell$ can be used to differentiate the NP scenarios.

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Cited by 1 Pith paper

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  1. Model-independent method for measuring the angular coefficients of $B^0 \to D^{*-} \tau^+ \nu_{\tau}$ decays

    hep-ph 2019-08 conditional novelty 6.0 of 10

    A multidimensional template fit recovers the B0 to D*- tau+ nu_tau angular coefficients unbiasedly and model-independently despite missing neutrino information.

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