First Measurement of R(X_{τ/ℓ}) as an Inclusive Test of the b→cτν Anomaly. - Adachi I; Adamczyk K; Aggarwal L; Ahmed H; Aihara H; Akopov N; Aloisio A; Asner DM; Atmacan H; Aushev T; Aushev V; Aversano M; et al. (Physical review letters, 2024)