Measurement of the absolute branching fraction of the inclusive decay Ds+ →π+π+π-X

Date Issued
01-08-2023
Author(s)
Ablikim, M.
Achasov, M. N.
Adlarson, P.
Albrecht, M.
Aliberti, R.
Amoroso, A.
An, M. R.
An, Q.
Bai, Y.
Bakina, O.
Baldini Ferroli, R.
Balossino, I.
Ban, Y.
Batozskaya, V.
Becker, D.
Begzsuren, K.
Berger, N.
Bertani, M.
Bettoni, D.
Bianchi, F.
Bianco, E.
Bloms, J.
Bortone, A.
Boyko, I.
Briere, R. A.
Brueggemann, A.
Cai, H.
Cai, X.
Calcaterra, A.
Cao, G. F.
Cao, N.
Cetin, S. A.
Chang, J. F.
Chang, W. L.
Che, G. R.
Chelkov, G.
Chen, C.
Chen, Chao
Chen, G.
Chen, H. S.
Chen, M. L.
Chen, S. J.
Chen, S. M.
Chen, T.
Chen, X. R.
Chen, X. T.
Chen, Y. B.
Chen, Z. J.
Cheng, W. S.
Choi, S. K.
Chu, X.
Cibinetto, G.
Cossio, F.
Cui, J. J.
Dai, H. L.
Dai, J. P.
Dbeyssi, A.
De Boer, R. E.
Dedovich, D.
Deng, Z. Y.
Denig, A.
Denysenko, I.
Destefanis, M.
De Mori, F.
Ding, Y.
Ding, Y.
Dong, J.
Dong, L. Y.
Dong, M. Y.
Dong, X.
Du, S. X.
Duan, Z. H.
Egorov, P.
Fan, Y. L.
Fang, J.
Fang, S. S.
Fang, W. X.
Fang, Y.
Farinelli, R.
Fava, L.
Feldbauer, F.
Felici, G.
Feng, C. Q.
Feng, J. H.
Fischer, K.
Fritsch, M.
Fritzsch, C.
Fu, C. D.
Gao, H.
Gao, Y. N.
Gao, Yang
Garbolino, S.
Garzia, I.
Ge, P. T.
Ge, Z. W.
Geng, C.
Gersabeck, E. M.
Gilman, A.
Goetzen, K.
Gong, L.
DOI
Abstract
Using an e+e- collision data sample with a total integrated luminosity of 3.19 fb-1 collected with the BESIII detector at a center-of-mass energy of 4.178 GeV, the branching fraction of the inclusive decay of the Ds+ meson to final states including at least three charged pions is measured for the first time to be B(Ds+→π+π+π-X)=(32.81±0.35stat±0.63syst)%. In this measurement the charged pions from KS0 meson decays are excluded. The partial branching fractions of Ds+→π+π+π-X are also measured as a function of the π+π+π- invariant mass.
Volume
108