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Study of inclusive B- and (B)over-bar(0) decays to flavor-tagged D, D-s, and Lambda(+)(c)
BABAR Collaboration
2007
发表期刊PHYSICAL REVIEW D
卷号75期号:7页码:72002
通讯作者Aubert, B (reprint author), Phys Particules Lab, F-74941 Annecy Le Vieux, France.
文章类型Article
摘要We report on a study of inclusive B- and (B) over bar (0) meson decays to (DX)-X-0, (D) over bar X-0, D+X, D-X, Ds+X, Ds-X, Lambda X-+(c), (Lambda) over bar X--(c), based on a sample of 231x10(6) (B) over bar events recorded with the BABAR detector at the Y(4S) resonance. Events are selected by completely reconstructing one B and searching for a reconstructed charm particle in the rest of the event. From the measured branching fractions of these decays, we infer the number of charm and anticharm particles per (B) over bar decay, separately for charged and neutral parents. We derive the total charm yield per B- decay, n(c)(-)=1.208 +/- 0.023 +/- 0.040(-0.029)(+0.035), and per (B) over bar (0) decay, n(c)(0)=1.203 +/- 0.030 +/- 0.034(-0.035)(+0.044) where the first uncertainty is statistical, the second is systematic, and the third reflects the charm branching-fraction uncertainties. We also present the charm momentum distributions measured in the (B) over bar rest frame.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.75.072002
收录类别SCI
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000246076700007
引用统计
被引频次:11[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/311005/227932
专题实验物理中心
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BABAR Collaboration. Study of inclusive B- and (B)over-bar(0) decays to flavor-tagged D, D-s, and Lambda(+)(c)[J]. PHYSICAL REVIEW D,2007,75(7):72002.
APA BABAR Collaboration.(2007).Study of inclusive B- and (B)over-bar(0) decays to flavor-tagged D, D-s, and Lambda(+)(c).PHYSICAL REVIEW D,75(7),72002.
MLA BABAR Collaboration."Study of inclusive B- and (B)over-bar(0) decays to flavor-tagged D, D-s, and Lambda(+)(c)".PHYSICAL REVIEW D 75.7(2007):72002.
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