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Evidence of CP violation in B -> hhh charmless decays
500-1-001 - Main Auditorium (CERN)
500-1-001 - Main Auditorium
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We present the first evidence of CP violation in the B+→ pi+pi-pi+, B+→ K+pi+pi-, B+→ K+K-pi+ and B+→K+K-K+ decays using the 1.0 fb-1 of data collected by the LHCb experiment during 2011. The results show that the 3pi and Kpipi channels present a positive asymmetry while the KKpi and KKK modes present a negative asymmetry. We also study the variation of the CP violation effects in the phase space of each three-body decay. We find significant inhomogeneities that reveal regions with particularly large asymmetries in the pipi and KK low mass regions in B+→pi+pi-pi+ and B+→K+K-pi+ respectively.
M. Mangano, C. Lourenco, G. Unal......................... Tea and Coffee will be served at 10h30