Theoretical studies in B physics: current and future status
School of Physics, University of Hyderabad, 500046, Hyderabad, India
Accepted: 22 November 2023
Published online: 4 December 2023
In recent times, several hints of lepton flavor universality (LFU) violation have been observed in semileptonic B decays at the level of , both in the rare flavor changing neutral current (NC) transitions and charged current (CC) transitions . Although the recent results from LHCb on the measurement of the LFU violating observables associated with transition are in agreement with the Standard Model (SM) predictions, there are several other observables in processes, which show significant deviations from their SM values. These tantalizing signals point toward the possible existence of New Physics beyond the Standard Model. Numerous studies have been performed to understand these anomalies in various new physics models as well as in model-independent approaches. Since the new physics scales involved in the CC and NC sectors are significantly different from each other, explanation of these intriguing sets of discrepancies in a coherent manner using a single framework is rather challenging. We show that the model with a vector leptoquark could be a potential candidate for successfully accounting for these anomalies.
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