$B_s^0 \to D_s^-a_1^+$ decay channel in the $B

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45806The usefulness of the $B_s^0 \to D_s^-a_1^+, D_s^- \to ϕπ^- \to K^+K^-π^-, a_1^+ \to ρ^0 π^+ \to π^+ π^- π^+$ decay chain is investigated for the $B_s$-reconstruction in the future ATLAS $B_s$-mixing experiment. It is shown that this decay channel is almost as suitable for this purpose as previously studied $B_s^0 \to D_s^-π^+$.17 pages, LaTeX, 6 uuencoded figures appendedHigh Energy Physics - Phenomenology$B_s^0 \to D_s^-a_1^+$ decay channel in the $B_s^0$-mixing studiestext