Strong and electromagnetic decays of the radially excited $D_s$ and $B_s$ mesons in light cone QCD sum rules

TL;DR

This paper calculates the decay widths of radially excited $D_s$ and $B_s$ mesons using light cone QCD sum rules, providing theoretical predictions for their strong and electromagnetic decays following recent experimental discoveries.

Contribution

It introduces a novel application of light cone QCD sum rules to compute decay widths of radially excited heavy mesons, expanding theoretical understanding.

Findings

Predicted decay widths for $D_s(2S)$ and $B_s(2S)$ mesons.

Provided theoretical benchmarks for experimental verification.

Enhanced understanding of decay mechanisms of excited heavy mesons.

Abstract

Recently, LHCb Collaboration announced the discovery of radial excitations of $D_s$ and $B_s$ mesons. In present work, we calculate the most promising strong and electromagnetic decay widths of radially excited $D_s(2S)$ and $B_s(2S)$ mesons within the light cone QCD sum rules method.