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Measurements of branching fraction ratios and CP asymmetries in B-+/- -> DCPK +/- decays in hadron collisions

Abstract:

We reconstruct B±→DK± decays in a data sample collected by the CDF II detector at the Tevatron collider corresponding to 1fb-1 of integrated luminosity. We select decay modes where the D meson decays to either K-π+ (flavor eigenstate) or K-K+, π-π+ (CP-even eigenstates), and measure the direct CP asymmetry ACP+=0.39±0. 17(stat)±0.04(syst), and the double ratio of CP-even to flavor eigenstate branching fractions RCP+=1.30±0.24(stat)±0.12(syst). These measurements will improve the determination...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.81.031105

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Journal:
Physical Review D More from this journal
Volume:
81
Issue:
3
Publication date:
2010-02-01
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
Language:
English
Pubs id:
pubs:51950
UUID:
uuid:6865478e-5303-4f48-8936-91f9ff3b032a
Local pid:
pubs:51950
Source identifiers:
51950
Deposit date:
2012-12-19

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