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	Measurement of time-dependent cp asymmetries and the cp-odd fraction in the decay b-0 -> d-* + d*-
	Aubert, B; Barate, R; Boutigny, D; Couderc, F; Karyotakis, Y; Lees, JP; Poireau, V; Tisserand, V; Zghiche, A; Grauges, E
刊名	Physical review letters
	2005-10-07
卷号	95期号:15页码:7
ISSN号	0031-9007
DOI	10.1103/physrevlett.95.151804
通讯作者	Aubert, b()
英文摘要	We present an updated measurement of time-dependent cp asymmetries and the cp-odd fraction in the decay b-0 -> d*+d*- using 232x10(6)b (b) over bar pairs collected by the babar detector at the slac pep-ii b factory. we determine the cp-odd fraction to be 0.125 +/- 0.044(stat) +/- 0.007(syst). the time-dependent cp asymmetry parameters c+ and s+ are determined to be 0.06 +/- 0.17(stat)+/- 0.03(syst) and -0.75 +/- 0.25(stat) +/- 0.03(syst), respectively. the standard model predicts these parameters to be 0 and -sin2 beta, respectively, in the absence of penguin amplitude contributions.
WOS关键词	VIOLATING ASYMMETRIES
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	AMERICAN PHYSICAL SOC
WOS记录号	WOS:000232443400018
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2175784
专题	高能物理研究所
通讯作者	Aubert, B
作者单位	1.Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France 2.Univ Autonoma Barcelona, IFAE, E-08193 Barcelona, Spain 3.Univ Bari, Dipartmento Fis, I-70126 Bari, Italy 4.Ist Nazl Fis Nucl, I-70126 Bari, Italy 5.Inst High Energy Phys, Beijing 100039, Peoples R China 6.Univ Bergen, Inst Phys, N-5007 Bergen, Norway 7.Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA 8.Univ Calif Berkeley, Berkeley, CA 94720 USA 9.Univ Birmingham, Birmingham B15 2TT, W Midlands, England 10.Ruhr Univ Bochum, Inst Expt Phys 1, D-44780 Bochum, Germany
推荐引用方式 GB/T 7714	Aubert, B,Barate, R,Boutigny, D,et al. Measurement of time-dependent cp asymmetries and the cp-odd fraction in the decay b-0 -> d-* + d*-[J]. Physical review letters,2005,95(15):7.
APA	Aubert, B.,Barate, R.,Boutigny, D.,Couderc, F.,Karyotakis, Y.,...&Neal, H.(2005).Measurement of time-dependent cp asymmetries and the cp-odd fraction in the decay b-0 -> d-* + d*-.Physical review letters,95(15),7.
MLA	Aubert, B,et al."Measurement of time-dependent cp asymmetries and the cp-odd fraction in the decay b-0 -> d-* + d*-".Physical review letters 95.15(2005):7.

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