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Measurement of CP observables for the decays B-+/-->(DCPK)-K-0*(+/-)
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BaBar Collaboration (Including: UNSPECIFIED). (2005) Measurement of CP observables for the decays B-+/-->(DCPK)-K-0*(+/-). PHYSICAL REVIEW D, 72 (7). -. ISSN 1550-7998
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Official URL: http://dx.doi.org/10.1103/PhysRevD.72.071103
Abstract
Using a sample of 232x10(6) Upsilon(4S)-> B (B) over bar events collected with the BABAR detector at the PEP-II B Factory in 1999-2004, we study B--> (DK*)-K-0(892)(-) decays where K*--> K(S)(0)pi(-) and D-0-> K(-)pi(+), K(-)pi(+)pi(0), K(-)pi(+)pi(+)pi(-) (non-CP final states); K+K-, pi(+)pi(-) (CP+ eigenstates); K(S)(0)pi(0), K(S)(0)phi, and K(S)(0)omega (CP- eigenstates). We measure four observables that are sensitive to the angle gamma of the CKM unitarity triangle; the partial-rate charge asymmetries A(CP +/-) and the ratios of the B-decay branching fraction in CP +/- and non-CP decays RCP +/-: A(CP+)=-0.08 +/- 0.19(stat)+/- 0.08(syst), A(CP-)=-0.26 +/- 0.40(stat)+/- 0.12(syst), RCP+=1.96 +/- 0.40(stat)+/- 0.11(syst), and RCP-=0.65 +/- 0.26(stat)+/- 0.08(syst).
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Journal or Publication Title: | PHYSICAL REVIEW D |
| Publisher: | AMERICAN PHYSICAL SOC |
| ISSN: | 1550-7998 |
| Date: | October 2005 |
| Volume: | 72 |
| Number: | 7 |
| Number of Pages: | 7 |
| Page Range: | - |
| Identification Number: | 10.1103/PhysRevD.72.071103 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/34375 |
Data sourced from Thomson Reuters' Web of Knowledge
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