Time-dependent CP-violating asymmetry in B0→ρ0γ decays

Y Ushiroda; K Sumisawa; N Taniguchi; I Adachi; H Aihara; K Arinstein; T Aushev; S Bahinipati; AM Bakich; V Balagura; E Barberio; K Belous; U Bitenc; A Bondar; A Bozek; M Bračko; TE Browder; P Chang; Y Chao; A Chen; WT Chen; BG Cheon; R Chistov; IS Cho; Y Choi; J Dalseno; M Dash; S Eidelman; D Epifanov; N Gabyshev; B Golob; H Ha; J Haba; K Hara; T Hara; K Hayasaka; M Hazumi; D Heffernan; T Hokuue; Y Hoshi; WS Hou; HJ Hyun; K Inami; A Ishikawa; H Ishino; R Itoh; Y Iwasaki; DH Kah; JH Kang; H Kawai; T Kawasaki; H Kichimi; YJ Kim; K Kinoshita; S Korpar; P Križan; P Krokovny; R Kumar; CC Kuo; A Kuzmin; YJ Kwon; MJ Lee; SE Lee; T Lesiak; SW Lin; D Liventsev; F Mandl; S McOnie; T Medvedeva; K Miyabayashi; H Miyake; H Miyata; Y Miyazaki; R Mizuk; D Mohapatra; GR Moloney; Y Nagasaka; M Nakao; H Nakazawa; S Nishida; O Nitoh; S Noguchi; T Nozaki; S Ogawa; T Ohshima; S Okuno; SL Olsen; P Pakhlov; G Pakhlova; CW Park; H Park; LS Peak; LE Piilonen; H Sahoo; Y Sakai; O Schneider; J Schümann; AJ Schwartz; K Senyo; ME Sevior

Journal article

Time-dependent CP-violating asymmetry in B0→ρ0γ decays

Y Ushiroda, K Sumisawa, N Taniguchi, I Adachi, H Aihara, K Arinstein, T Aushev, S Bahinipati, AM Bakich, V Balagura, E Barberio, K Belous, U Bitenc, A Bondar, A Bozek, M Bračko, TE Browder, P Chang, Y Chao, A Chen Show all

Physical Review Letters | AMER PHYSICAL SOC | Published : 2008

DOI: 10.1103/PhysRevLett.100.021602

Abstract

We report the first measurement of CP-violation parameters in B0→ρ0γ decays based on a data sample of 657×106BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We obtain the time-dependent and direct CP-violating parameters, Sρ0γ=-0.83±0.65(stat)±0.18(syst) and Aρ0γ=-0.44±0.49(stat)±0.14(syst), respectively. © 2008 The American Physical Society.