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Time-DependentCP-Violating Asymmetry inB0→ρ0γDecays
Ushiroda, Y.,Sumisawa, K.,Taniguchi, N.,Adachi, I.,Aihara, H.,Arinstein, K.,Aushev, T.,Bahinipati, S.,Bakich, A. M.,Balagura, V.,Barberio, E.,Belous, K.,Bitenc, U.,Bondar, A.,Bozek, A.,Brač,ko, M American Physical Society 2008 Physical Review Letters Vol.100 No.2
<P>We report the first measurement of CP-violation parameters in B0-->rho0gamma decays based on a data sample of 657x10(6)BB pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain the time-dependent and direct CP-violating parameters, Srho0gamma=-0.83+/-0.65(stat)+/-0.18(syst) and Arho0gamma=-0.44+/-0.49(stat)+/-0.14(syst), respectively.</P>
Measurement of time-dependent CP asymmetries in B0→KS0ηγ decays
Nakano, H.,Ishikawa, A.,Sumisawa, K.,Yamamoto, H.,Adachi, I.,Aihara, H.,Al Said, S.,Asner, D. M.,Aulchenko, V.,Aushev, T.,Ayad, R.,Babu, V.,Badhrees, I.,Bansal, V.,Behera, P.,Beleñ,o, C.,Bhuyan, American Physical Society 2018 Physical Review D Vol.97 No.9
<P>We report a measurement of time-dependent CP violation parameters in B-0 -> K-S(0)eta gamma decays. The study is based on a data sample, containing 772 x 10(6)B(B)over-bar pairs, that was collected at the Upsilon(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) f 0.07(syst) for the invariant mass of the K-S(0)eta system up to 2.1 GeV/c(2).</P>
Measurement ofCPasymmetries inB0→K0π0decays
Fujikawa, M.,Yusa, Y.,Dalseno, J.,Hazumi, M.,Sumisawa, K.,Aihara, H.,Arinstein, K.,Aulchenko, V.,Aushev, T.,Aziz, T.,Bakich, A. M.,Balagura, V.,Barberio, E.,Belous, K.,Bhardwaj, V.,Bischofberger, M.,B American Physical Society 2010 PHYSICAL REVIEW D - Vol.81 No.1