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Measurement of the Cabibbo-Kobayashi-Maskawa angle gamma in B--/+->(DK -/+)-K-(*) decays with a Dalitz analysis of D -> K-S(0)pi(-)pi(+)
BaBar Collaboration
2005
发表期刊PHYSICAL REVIEW LETTERS
卷号95期号:12
通讯作者Aubert, B (reprint author), Phys Particules Lab, F-74941 Annecy Le Vieux, France.
摘要We report on a measurement of the Cabibbo-Kobayashi-Maskawa CP-violating phase gamma through a Dalitz analysis of neutral D decays to K(S)(0)pi(-)pi(+) in the processes B-/+-> (DK-/+)-K-(*), D-*-> D pi(0), D gamma. Using a sample of 227x10(6) BB pairs collected by the BABAR detector, we measure the amplitude ratios r(B)=0.12 +/- 0.08 +/- 0.03 +/- 0.04 and r(B)(*)=0.17 +/- 0.10 +/- 0.03 +/- 0.03, the relative strong phases delta(B)=(104 +/- 45(-21-24)(+17+16))degrees and delta(B)(*)=(-64 +/- 41(-12)(+14)+/- 15)degrees between the amplitudes A(B--> (DK-)-K-(*)0) and A(B--> (DK-)-K-(*)0), and gamma=(70 +/- 31(-10-11)(+12+14))degrees. The first error is statistical, the second is the experimental systematic uncertainty, and the third reflects the Dalitz model uncertainty. The results for the strong and weak phases have a twofold ambiguity.
关键词CP-VIOLATION
学科领域Physics
DOI10.1103/PhysRevLett.95.121802
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000231908200013
引用统计
被引频次:210[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/311005/212586
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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BaBar Collaboration. Measurement of the Cabibbo-Kobayashi-Maskawa angle gamma in B--/+->(DK -/+)-K-(*) decays with a Dalitz analysis of D -> K-S(0)pi(-)pi(+)[J]. PHYSICAL REVIEW LETTERS,2005,95(12).
APA BaBar Collaboration.(2005).Measurement of the Cabibbo-Kobayashi-Maskawa angle gamma in B--/+->(DK -/+)-K-(*) decays with a Dalitz analysis of D -> K-S(0)pi(-)pi(+).PHYSICAL REVIEW LETTERS,95(12).
MLA BaBar Collaboration."Measurement of the Cabibbo-Kobayashi-Maskawa angle gamma in B--/+->(DK -/+)-K-(*) decays with a Dalitz analysis of D -> K-S(0)pi(-)pi(+)".PHYSICAL REVIEW LETTERS 95.12(2005).
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