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Direct measurement of the cross sections for D-0(D)over-bar(0), D+D- and D(D)over-bar production by e(+)e(-) annihilation at the center-of-mass energy root s-=3.773 GeV
BES Callaboration
2005
发表期刊NUCLEAR PHYSICS B
卷号727期号:1--2页码:395-405
通讯作者Ablikim, M (reprint author), Univ Sci & Technol China, Anhua 230026, Peoples R China.
摘要The cross sections for D-0 D-0, D+ D- and DD production by e(+)e(-) annihilation at the center-of-mass energy root s- = 3.773 GeV have been directly measured with the BES-II detector at the BEPC collider. The measurement of the cross sections is made by analyzing both the singly tagged D events and the doubly tagged DD events from the data sample of about 17.3 pb(-1) collected at root s = 3.773 GeV. The observed cross sections are sigma(D0D0)(obs) = (3.47 +/- 0.32 +/- 0.21) nb, sigma(D+D-)(obs) = (2.46 +/- 0.33 +/- 0.20) nb and sigma(DD)(obs) = (5.93 +/- 0.46 +/- 0.35) nb, which correspond to the tree level cross sections to be sigma(D0D0) = (4.45 +/- 0.41 +/- 0.32) nb, sigma(D+D-) = (3.16 +/- 0.42 +/- 0.28) nb and sigma(DD) = (7.61 +/- 0.59 +/- 0.54) nb, respectively. (c) 2005 Elsevier B.V. All rights reserved.
学科领域Physics
DOI10.1016/j.nuclphysb.2005.08.023
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000232707600016
引用统计
被引频次:13[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/311005/212607
专题实验物理中心
作者单位中国科学院高能物理研究所
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BES Callaboration. Direct measurement of the cross sections for D-0(D)over-bar(0), D+D- and D(D)over-bar production by e(+)e(-) annihilation at the center-of-mass energy root s-=3.773 GeV[J]. NUCLEAR PHYSICS B,2005,727(1--2):395-405.
APA BES Callaboration.(2005).Direct measurement of the cross sections for D-0(D)over-bar(0), D+D- and D(D)over-bar production by e(+)e(-) annihilation at the center-of-mass energy root s-=3.773 GeV.NUCLEAR PHYSICS B,727(1--2),395-405.
MLA BES Callaboration."Direct measurement of the cross sections for D-0(D)over-bar(0), D+D- and D(D)over-bar production by e(+)e(-) annihilation at the center-of-mass energy root s-=3.773 GeV".NUCLEAR PHYSICS B 727.1--2(2005):395-405.
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