Observation of the Radiative Decay D0→φγ

O Tajima; K Abe; H Aihara; M Akatsu; V Aulchenko; T Aushev; AM Bakich; A Bay; I Bizjak; A Bondar; A Bozek; M Bračko; TE Browder; Y Chao; BG Cheon; R Chistov; Y Choi; YK Choi; A Chuvikov; M Danilov; LY Dong; S Eidelman; V Eiges; F Fang; N Gabyshev; A Garmash; T Gershon; G Gokhroo; J Haba; C Hagner; F Handa; K Hasuko; M Hazumi; I Higuchi; T Hokuue; Y Hoshi; WS Hou; HC Huang; T Iijima; K Inami; A Ishikawa; R Itoh; Y Iwasaki; JH Kang; JS Kang; P Kapusta; N Katayama; H Kawai; H Kichimi; HJ Kim; H Kim; JH Kim; SK Kim; K Kinoshita; P Koppenburg; S Korpar; P Križan; P Krokovny; A Kuzmin; YJ Kwon; JS Lange; G Leder; SH Lee; T Lesiak; J Li; A Limosani; SW Lin; J MacNaughton; G Majumder; F Mandl; H Matsumoto; T Matsumoto; A Matyja; Y Mikami; W Mitaroff; K Miyabayashi; H Miyata; D Mohapatra; GR Moloney; T Nagamine; Y Nagasaka; E Nakano; H Nakazawa; Z Natkaniec; S Nishida; O Nitoh; T Nozaki; S Ogawa; T Ohshima; S Okuno; SL Olsen; H Ozaki; CW Park; KS Park; N Parslow; LE Piilonen; H Sagawa; M Saigo; Y Sakai; O Schneider

Journal article

Observation of the Radiative Decay D0→φγ

O Tajima, K Abe, H Aihara, M Akatsu, V Aulchenko, T Aushev, AM Bakich, A Bay, I Bizjak, A Bondar, A Bozek, M Bračko, TE Browder, Y Chao, BG Cheon, R Chistov, Y Choi, YK Choi, A Chuvikov, M Danilov Show all

Physical Review Letters | AMERICAN PHYSICAL SOC | Published : 2004

DOI: 10.1103/PhysRevLett.92.101803

Abstract

The observation of the decay D0 → φγ with a statistical significance of 5.4 σ in 78.1 fb-1 of data collected by the Belle experiment at the KEKB e+e- collider was discussed. It was the first observation of a flavor-changing radiative decay of a charmed meson. The Cabibbo- and color-suppressed decays D0 → φπ0, φν were studied. The estimated fractional systematic errors for the particle ID and MC statistics were also elaborated.