Search for CP violation using T-odd correlations in D-0 -> K+K-pi(+)pi(-) decays
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Search for CP violation using T-odd correlations in D-0 -> K+K-pi(+)pi(-) decays

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Search for CP violation using T-odd correlations in D-0 -> K+K-pi(+)pi(-) decays

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LHCb Collaboration; Martínez Vidal, Fernando Perfil; Oyanguren Campos, Arantza Perfil; Ruiz Valls, Pablo; Sánchez Mayordomo, Carlos
Aquest document és un/a article, creat/da en: 2014
A search for CP violation using T-odd correlations is performed using the four-body D-0 -> K+K-pi(+)pi(-) 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 centre-of-mass energies of 7 TeV and 8 TeV, respectively. The CP-violating asymmetry alpha(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 D-0 decay time, are also presented. No significant deviation from the CP conservation hypothesis is found.

    LHCb Collaboration Martínez Vidal, Fernando Oyanguren Campos, Arantza Ruiz Valls, Pablo Sánchez Mayordomo, Carlos 2014 Search for CP violation using T-odd correlations in D-0 -> K+K-pi(+)pi(-) decays Journal Of High Energy Physics 10 10 005-21 005-21
http://dx.doi.org/10.1007/JHEP10(2014)005
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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