Measurement of the branching fractions of and in
Journal Article
·
· Physics Letters. B
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+).
- 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
Cited by: 6 works
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