From the 1 of 2 linked papers with an AI index.
2 papers
hep-ex2026
Search for the decays
LHCb collaboration, R. Aaij, M. Abdelfatah +1128
The LHCb experiment searched for the rare radiative leptonic decays B⁺→μ⁺ν_μγ and B_c⁺→μ⁺ν_μγ in 13 TeV proton‑proton collisions, finding no signal and setting upper limits on thei…
hep-ex2025
Evidence for decays
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132
The first evidence for the decay is obtained using proton-proton collision data collected by the LHCb experiment, corresponding to an i…