We report on a search for direct CP violation in the singly Cabibbo-suppressed decay D+→K+K -π+ using a data sample of 476 fb-1 of e+e- annihilation data accumulated with the BABAR detector at the SLAC PEP-II electron-positron collider, running at and just below the energy of the Υ(4S) resonance. The integrated CP-violating decay rate asymmetry ACP is determined to be (0.37±0.30±0.15)%. Model-independent and model-dependent Dalitz plot analysis techniques are used to search for CP-violating asymmetries in the various intermediate states. We find no evidence for CP-violation asymmetry.

Lees, J., Poireau, V., Tisserand, V., Garra Tico, J., Grauges, E., Palano, A., et al. (2013). Search for direct CP violation in singly Cabibbo-suppressed D-+/- -> K+K-pi(+/-) decays. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 87(5) [10.1103/PhysRevD.87.052010].

Search for direct CP violation in singly Cabibbo-suppressed D-+/- -> K+K-pi(+/-) decays

CARPINELLI, Massimo
Membro del Collaboration Group
;
2013

Abstract

We report on a search for direct CP violation in the singly Cabibbo-suppressed decay D+→K+K -π+ using a data sample of 476 fb-1 of e+e- annihilation data accumulated with the BABAR detector at the SLAC PEP-II electron-positron collider, running at and just below the energy of the Υ(4S) resonance. The integrated CP-violating decay rate asymmetry ACP is determined to be (0.37±0.30±0.15)%. Model-independent and model-dependent Dalitz plot analysis techniques are used to search for CP-violating asymmetries in the various intermediate states. We find no evidence for CP-violation asymmetry.
Articolo in rivista - Articolo scientifico
Scientifica
BABAR detector
English
Carpinelli Massimo (BABAR Collaboration)
Lees, J., Poireau, V., Tisserand, V., Garra Tico, J., Grauges, E., Palano, A., et al. (2013). Search for direct CP violation in singly Cabibbo-suppressed D-+/- -> K+K-pi(+/-) decays. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 87(5) [10.1103/PhysRevD.87.052010].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10281/389221
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