Measurement of time-dependent CP asymmetries in B0→KS0ηγ decays

Measurement of time-dependent CP asymmetries in B0→KS0ηγ decays

We report a measurement of time-dependent CP violation parameters in B0→KS0ηγ decays. The study is based on a data sample, containing 772×106BB¯ pairs, that was collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. We obtain the CP violation parameters...

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Veröffentlicht in:Physical review. D 2018-05, Vol.97 (9)
1. Verfasser: Nakano, H
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CP violation
Matter & antimatter
Parameters
Time dependence
Time measurement
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description We report a measurement of time-dependent CP violation parameters in B0→KS0ηγ decays. The study is based on a data sample, containing 772×106BB¯ pairs, that was collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. We obtain the CP violation parameters of S=−1.32±0.77(stat)±0.36(syst) and A=−0.48±0.41(stat)±0.07(syst) for the invariant mass of the KS0η system up to 2.1 GeV/c2.
doi_str_mv 10.1103/PhysRevD.97.092003
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subjects CP violation
Matter & antimatter
Parameters
Time dependence
Time measurement
title Measurement of time-dependent CP asymmetries in B0→KS0ηγ decays
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