- Abstract:
-
We report the first reconstruction in hadron collisions of the suppressed decays B-→D(→K+π-)K- and B-→D(→K+π-)π-, sensitive to the Cabibbo-Kobayashi-Maskawa phase γ, using data from 7fb-1 of integrated luminosity collected by the CDF II detector at the Tevatron collider. We reconstruct a signal for the B -→D(→K+π-)K- suppressed mode with a significance of 3.2 standard deviations, and measure the ratios of the suppressed to favored branching fractions R(K)=[22.0±8.6(stat) ±2.6(syst)]×10-3, R+(...
Expand abstract - Publisher copy:
- 10.1103/PhysRevD.84.091504
-
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- Journal:
- Physical Review D - Particles, Fields, Gravitation and Cosmology
- Volume:
- 84
- Issue:
- 9
- Publication date:
- 2011-11-30
- DOI:
- EISSN:
-
1550-2368
- ISSN:
-
1550-7998
- URN:
-
uuid:f8864173-a7ad-44f8-9e20-1d4f700b46dc
- Source identifiers:
-
221539
- Local pid:
- pubs:221539
- Language:
- English
- Copyright date:
- 2011
Journal article
Measurements of branching fraction ratios and CP-asymmetries in suppressed B-→D(→K+π-)K- and B-→D(→K+π-)π- decays
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