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Time-dependent Dalitz plot measurement of CP parameters in B-0 -> K-S(0)pi(+)pi(-) decays
Belle Collaboration
2009
发表期刊PHYSICAL REVIEW D
卷号79期号:7
通讯作者Dalseno, J (reprint author), High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki, Japan.
摘要We present a time-dependent Dalitz plot measurement of CP violation parameters in B-0 -> K-S(0)pi(+)pi(-) decays. These results are obtained from a large data sample that contains 657x10(6) B(B)over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. For the CP violation parameters, we obtain two consistent solutions that describe the data well. The first of these solutions may be preferred by external information from other measurements. There is no evidence for direct CP violation in B-0 ->rho(0)(770)K-S(0), B-0 -> f(0)(980)K-S(0) and B-0 -> K*+(892)pi(-), while measurements of mixing-induced CP violation in B-0 ->rho(0)(770)K-S(0) and B-0 -> f(0)(980)K-S(0) decays are consistent with that of b -> c(c)over bars decays. We also measured the phase difference between B-0 -> K*+(892)pi(-) and (B)over bar(0)-> K*-(892)pi(+), which may be used to extract phi(3).
关键词B-DECAYS ASYMMETRIES VIOLATION BELLE DETECTOR
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.79.072004
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000266408300007
引用统计
被引频次:30[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/311005/212900
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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Belle Collaboration. Time-dependent Dalitz plot measurement of CP parameters in B-0 -> K-S(0)pi(+)pi(-) decays[J]. PHYSICAL REVIEW D,2009,79(7).
APA Belle Collaboration.(2009).Time-dependent Dalitz plot measurement of CP parameters in B-0 -> K-S(0)pi(+)pi(-) decays.PHYSICAL REVIEW D,79(7).
MLA Belle Collaboration."Time-dependent Dalitz plot measurement of CP parameters in B-0 -> K-S(0)pi(+)pi(-) decays".PHYSICAL REVIEW D 79.7(2009).
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