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Measurement of the branching fractions of Ds+→η′X and Ds+→η′ρ+ in
BESIII Collaboration
2015
发表期刊PHYSICS LETTERS B
卷号750页码:466-474
文章类型Article
摘要We study D-s(+) decays to final states involving the eta' with a 482 pb(-1) data sample collected at root s = 4.009 GeV with the BESIII detector at the BEPCII collider. We measure the branching fractions B(D-s(+) -> eta'X) = (8.8 +/- 1.8 +/- 0.5)% and B(D-s(+) > eta'rho(+)) = (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 B(D-s(+) -> eta'pi(+)pi(0)) < 5.1% at the 90% confidence level. 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 B(D-s(+) -> eta'rho(+)). (C) 2015 The Authors. Published by Elsevier B.V.
关键词BESIII D-s Branching fractions
学科领域Astronomy & Astrophysics; Physics
DOI10.1016/j.physletb.2015.09.059
收录类别SCI ; CA
WOS类目Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000364250600076
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228873
专题实验物理中心
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BESIII Collaboration. Measurement of the branching fractions of Ds+→η′X and Ds+→η′ρ+ in[J]. PHYSICS LETTERS B,2015,750:466-474.
APA BESIII Collaboration.(2015).Measurement of the branching fractions of Ds+→η′X and Ds+→η′ρ+ in.PHYSICS LETTERS B,750,466-474.
MLA BESIII Collaboration."Measurement of the branching fractions of Ds+→η′X and Ds+→η′ρ+ in".PHYSICS LETTERS B 750(2015):466-474.
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