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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 | |||
| This document is a artículoDate2014 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/52887 |
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| 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. | |||
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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 |
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| http://dx.doi.org/10.1007/JHEP10(2014)005 |
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