An analysis of B-+/- -> D K-+/- and B-+/- -> D pi(+/-) decays is presented where the D meson is reconstructed in the two-body final states: K-+/-pi(-/+), K+K- and pi(+)pi(-). Using 1.0 fb(-1) of root s = 7 TeV pp collisions, measurements of several observables are made including the first observation of the suppressed mode B-+/- -> vertical bar pi(+/-) K--/+vertical bar(D) K-+/- CP violation in B-+/- -> D K-+/- decays is observed with 5.8 sigma significance. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.

Observation of CP violation in B-+/- -> D K-+/- decays / R., A., C. A., B., B., A., M., A., C., A., A., A., Z., A., J., A., F., A., M., A., S., A., G., A., P. A., C., A. A., A., S., A., Y., A., J., A., R. B., A., O. A., G., F., A., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 712:3(2012), pp. 203-212. [10.1016/j.physletb.2012.04.060]

Observation of CP violation in B-+/- -> D K-+/- decays

SARTI, ALESSIO;SCIUBBA, Adalberto;
2012

Abstract

An analysis of B-+/- -> D K-+/- and B-+/- -> D pi(+/-) decays is presented where the D meson is reconstructed in the two-body final states: K-+/-pi(-/+), K+K- and pi(+)pi(-). Using 1.0 fb(-1) of root s = 7 TeV pp collisions, measurements of several observables are made including the first observation of the suppressed mode B-+/- -> vertical bar pi(+/-) K--/+vertical bar(D) K-+/- CP violation in B-+/- -> D K-+/- decays is observed with 5.8 sigma significance. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
2012
cp violation; hadronic b decays; lhc
01 Pubblicazione su rivista::01a Articolo in rivista
Observation of CP violation in B-+/- -> D K-+/- decays / R., A., C. A., B., B., A., M., A., C., A., A., A., Z., A., J., A., F., A., M., A., S., A., G., A., P. A., C., A. A., A., S., A., Y., A., J., A., R. B., A., O. A., G., F., A., et al.. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - 712:3(2012), pp. 203-212. [10.1016/j.physletb.2012.04.060]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/493840
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