Study of $B_c$ decays into charmonia and $D$ mesons

TL;DR

This paper recalculates the branching fractions of specific $B_c$ meson decays into charmonia and $D$ mesons using a covariant confined quark model, comparing results with experimental data and other theoretical approaches.

Contribution

It introduces a new calculation of $B_c$ decay branching fractions within the covariant confined quark model, providing updated theoretical predictions.

Findings

Calculated branching fractions align with recent experimental measurements.

Results are consistent with previous theoretical models.

Provides a comprehensive comparison with experimental data and other approaches.

Abstract

In the wake of recent measurements of the decays $B_c^+\to J/\psi D^+_s$ and $B_c^+\to J/\psi D^{\ast\,+}_s$ performed by the LHCb and ATLAS Collaborations, we recalculate their branching fractions in the framework of the covariant confined quark model. We compare the obtained results with available experimental data, our previous findings and numbers from other approaches.