Measurement of the branching fractions of D s + → η ′ X and D s + → η ′ ρ + in e + e − → D s + D s −

Ablikim, M.; Achasov, M. N.; Ai, X. C.; Albayrak, O.; Albrecht, M.; Ambrose, D. J.; Amoroso, A.; An, F. F.; An, Q.; Bai, J. Z.; Baldini Ferroli, R.; Ban, Y.; Bennett, D. W.; Bennett, J. V.; Bertani, M.; Bettoni, D.; Bian, J. M.; Bianchi, F.; Boger, E.; Boyko, I.; Briere, R. A.; Cai, H.; Cai, X.; Cakir, O.; Calcaterra, A.; Cao, G. F.; Cetin, S. A.; Chang, J. F.; Chelkov, G.; Chen, G.; Chen, H. S.; Chen, H. Y.; Chen, J. C.; Chen, M. L.; Chen, S. J.; Chen, X.; Chen, X. R.; Chen, Y. B.; Cheng, H. P.; Chu, X. K.; Cibinetto, G.; Dai, H. L.; Dai, J. P.; Dbeyssi, A.; Dedovich, D.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; De Mori, F.; Ding, Y.; Dong, C.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Du, S. X.; Duan, P. F.; Eren, E. E.; Fan, J. Z.; Fang, J.; Fang, S. S.; Fang, X.; Fang, Y.; Fava, L.; Feldbauer, F.; Felici, G.; Feng, C. Q.; Fioravanti, E.; Fritsch, M.; Fu, C. D.; Gao, Q.; Gao, X. Y.; Gao, Y.; Gao, Z.; Garzia, I.; Geng, C.; Goetzen, K.; Gong, W. 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doi:10.1016/j.physletb.2015.09.059

Title: Measurement of the branching fractions of $D_{s}^{+} \to η^{'} X$ and $D_{s}^{+} \to η^{'} ρ^{+}$ in $e^{+} e^{-} \to D_{s}^{+} D_{s}^{-}$

Journal Article · Sun Nov 01 00:00:00 EDT 2015 · Physics Letters. B

DOI:https://doi.org/10.1016/j.physletb.2015.09.059· OSTI ID:1222501

Ablikim, M.; Achasov, M. N.; Ai, X. C.; Albayrak, O.; Albrecht, M.; Ambrose, D. J.; Amoroso, A.; An, F. F.; An, Q.; Bai, J. Z.; Baldini Ferroli, R.; Ban, Y.; Bennett, D. W.; Bennett, J. V.; Bertani, M.; Bettoni, D.; Bian, J. M.; Bianchi, F.; Boger, E.; Boyko, I. more »

We study D⁺_s decays to final states involving the η' with a 482 pb^-1 data sample collected at √s = 4.009 GeV with the BESIII detector at the BEPCII collider. We measure the branching fractions Β(D⁺_s → η'Χ) = (8.8 ± 1.8 ± 0.5)% and Β(D⁺_s → η'ρ⁺) = (5.8 ± 1.4 ± 0.4)% where the first uncertainty is statistical and the second is systematic. In addition, we estimate an upper limit on the non-resonant branching ratio Β(D⁺_s → η'π⁺π⁰) < 5.1% at the 90% confidence level. Lastly, our results are consistent with CLEO's recent measurements and help to resolve the disagreement between the theoretical prediction and CLEO's previous measurement of Β(D⁺_s → η'ρ⁺).

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Research Organization:: Univ. of Hawaii, Honolulu, HI (United States); Indiana Univ., Bloomington, IN (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States)

Sponsoring Organization:: USDOE

Contributing Organization:: BESIII Collaboration

Grant/Contract Number:: FG02-04ER41291; FG02-05ER41374; FG02-94ER40823; SC0010118

OSTI ID:: 1222501

Alternate ID(s):: OSTI ID: 1241143

Journal Information:: Physics Letters. B, Journal Name: Physics Letters. B Vol. 750 Journal Issue: C; ISSN 0370-2693

Publisher:: ElsevierCopyright Statement

Country of Publication:: Netherlands

Language:: English

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Cited by: 6 works

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