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Title: Search for CP violation using T-odd correlations in D-0 -> K+K-pi(+)pi(-) decays
Author: Comerma-Montells, A.
Garrido Beltrán, Lluís
Graciani Díaz, Ricardo
Graugés Pous, Eugeni
Marin Benito, Carla
Picatoste Olloqui, E.
Potterat, C.
Rives Molina, V.
Ruiz, Hugo
LHCb Collaboration
Keywords: Hadrons
Gran Col·lisionador d'Hadrons
Física de partícules
Large Hadron Collider (France and Switzerland)
Particle physics
Issue Date: Oct-2014
Publisher: Springer Verlag
Abstract: A search for CP violation using T-odd correlations is performed using the four-body D0 → K+K−π +π − decay, selected from semileptonic B decays. The data sample corresponds to integrated luminosities of 1.0 fb−1 and 2.0 fb−1 recorded at the centreof-mass energies of 7 TeV and 8 TeV, respectively. The CP-violating asymmetry a T-odd CP is measured to be (0.18±0.29 (stat)±0.04 (syst))%. Searches for CP violation in different regions of phase space of the four-body decay, and as a function of the D0 decay time, are also presented. No significant deviation from the CP conservation hypothesis is found.
Note: Reproducció del document publicat a:
It is part of: Journal of High Energy Physics, 2014, vol. 10, num. 5, p. 1-23
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ISSN: 1126-6708
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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