Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Parallel: Quark and Lepton Flavour Physics
Angular analysis of modes with $b \to c \ell \bar \nu$ transition and new physics
R. Mandal
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Abstract
Starting with the most general dimension six beyond the standard model Hamiltonian, we derive the four fold angular distributions for $B \to D \pi \ell \bar{\nu}$ mode where the $D\pi$ final state arises from a vector $D^*$ or a tensor meson $D_2^*$ onshell decay. Distinguishable features in the angular distributions of these two modes are explored. A Plenty of observables are constructed on which the experimental information would help to disentangle the dynamical origin of the observed anomalies in $b \to c \tau \bar{\nu}$ transition.
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