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Measurement of production cross section of Ds+Ds- in e(+)e(-) annihilation at the center-of-mass energy of root s=4.03GeV
BES Collaboration
2001
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
卷号25期号:6页码:#REF!
通讯作者Rong, G (reprint author), Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China.
摘要Measurement of the production cross section of the D-s(+) D-s(-) in e(+) e(-) annihilation at the Center-of-Mass Energy of roots = 4.03 GeV is reported in the paper. The cross section for the D: DI production has been measured using a data sample of 22.3 pb(-1) collected with BES detector at BEPC e(+) e(-) collider. The D-s(+) measons are reconstructed in the phi pi (+), (K*(0)) over barK(+) and (K-0) over barK(+) decay modes. A total number of 94 +/- 13 singly tagged D-s(+) events is obtained from the three modes. This yelds the cross section value sigmaD(s)(prod+)D(s)(-) = (451 +/- 63 +/- 118)pb for D-s(+) D-s(-) production. Based on the numbers of singly tagged D-s(+) events for each of the three decay modes,the decay branching fractions for D-s(+) --> (K*(0)) over barK(+) and (K-0) over barK(+) have been determined to be (3.02 +/- 0.94 +/- 0.91)% and (3.28 +/- 1.22 +/- 0.94)%, respectively.
文章类型Article
关键词Beijing Electron Positron Collider (BEPC) Beijing Spectrometer (BES) D-s(+) Meson D-s(+) single tag branching fraction production cross section radiative correction
学科领域Physics
收录类别SCI
WOS类目Physics, Nuclear ; Physics, Particles & Fields
WOS记录号WOS:000169307600001
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被引频次:1[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/311005/227679
专题实验物理中心
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BES Collaboration. Measurement of production cross section of Ds+Ds- in e(+)e(-) annihilation at the center-of-mass energy of root s=4.03GeV[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2001,25(6):#REF!.
APA BES Collaboration.(2001).Measurement of production cross section of Ds+Ds- in e(+)e(-) annihilation at the center-of-mass energy of root s=4.03GeV.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,25(6),#REF!.
MLA BES Collaboration."Measurement of production cross section of Ds+Ds- in e(+)e(-) annihilation at the center-of-mass energy of root s=4.03GeV".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 25.6(2001):#REF!.
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