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Free accessOther version: http://journals.aps.org/prd/abstract/10.1103/PhysRevD.81.031105
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unige:38652 
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Measurements of branching fraction ratios and CP asymmetries in B± -> DCPK± decays in hadron collisions |
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| Collaboration | With : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin | |
| Published in | Physical Review. D. 2010, vol. 81, no. 03, p. 031105 | |
| Abstract | We reconstruct B±→DK± decays in a data sample collected by the CDF II detector at the Tevatron collider corresponding to 1 fb−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 of the Cabibbo-Kobayashi-Maskawa angle γ. They are performed here for the first time using data from hadron collisions. | |
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Article (Published version) (293 Kb) - Free access Other version: http://journals.aps.org/prd/abstract/10.1103/PhysRevD.81.031105 |
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| Structures | ||
| Citation (ISO format) | CDF COLLABORATION. Measurements of branching fraction ratios and CP asymmetries in B± -> DCPK± decays in hadron collisions. In: Physical Review. D, 2010, vol. 81, n° 03, p. 031105. doi: 10.1103/PhysRevD.81.031105 https://archive-ouverte.unige.ch/unige:38652 |
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