Study of B±→DCPK± and DCP*K± decays
Study of B±→DCPK± and DCP*K± decays
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DOI:
10.1103/physrevd.73.051106
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发表时间:
2006-01
影响因子:
5
通讯作者:
K. Abe;E. al.
中科院分区:
文献类型:
--
作者:
K. Abe;E. al.
We report a study of the modes B-+/--> DK +/- and B-+/-->(DK +/-)-K-* where D-(*) decays to CP eigenstates. The data sample used contains 275x10(6) B (B) over bar events at the Upsilon(4S) resonance collected by the Belle detector at the KEKB energy-asymmetric e(+)e(-) collider. The CP asymmetries obtained for DCPK are: A(1)=0.06 +/- 0.14(stat)+/- 0.05(sys), A(2)=-0.12 +/- 0.14(stat)+/- 0.05(sys) and for (DCPK)-K-*: A(1)(*)=-0.20 +/- 0.22(stat)+/- 0.04(sys), A(2)(*)=0.13 +/- 0.30(stat)+/- 0.08(sys).