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Direct measurement of B(D-omicron ->phi Chi(omicron)) and B(D+->phi Chi(+))
BES Collaboration
2000
发表期刊PHYSICAL REVIEW D
卷号62期号:5页码:52001
通讯作者Bai, JZ (reprint author), Inst High Energy Phys, Beijing 100039, Peoples R China.
文章类型Article
摘要The first measurement of B(D-0 --> phi X-0) and an upper limit for B(D+ --> phi X+) are determined from 22.3 pb(-1) of e(+)e(-) annihilation data at a c.m. energy of 4.03 GeV. The data were recorded by the Beijing Spectrometer (BES) at BEPC. A recoil charge method is applied to charm threshold data to determine the charge of the D meson in the recoil from 9054+/-309+/-416 reconstructed D-0, D+ mesons. The branching fractions B(D0 --> phi X-0) = (1.71(-0.71)(+0.76) +/- 0.17)%, and B(D+ --> phi X+) < 1.8% are determined from 10 events with a reconstructed D and a recoiling phi. In addition, a 90% C.L. upper limit of B(D+ --> phi e(+)X(0)) < 1.6% is determined from a search for semileptonic decays of the D+.
学科领域Astronomy & Astrophysics; Physics
收录类别SCI
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000089022500005
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被引频次:16[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/311005/227907
专题实验物理中心
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BES Collaboration. Direct measurement of B(D-omicron ->phi Chi(omicron)) and B(D+->phi Chi(+))[J]. PHYSICAL REVIEW D,2000,62(5):52001.
APA BES Collaboration.(2000).Direct measurement of B(D-omicron ->phi Chi(omicron)) and B(D+->phi Chi(+)).PHYSICAL REVIEW D,62(5),52001.
MLA BES Collaboration."Direct measurement of B(D-omicron ->phi Chi(omicron)) and B(D+->phi Chi(+))".PHYSICAL REVIEW D 62.5(2000):52001.
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