Observation of the Radiative Decay D0→φγ

O. Tajima, K. Abe, H. Aihara, M. Akatsu, V. Aulchenko, T. Aushev, A. M. Bakich, A. Bay, I. Bizjak, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, Y. Chao, B. G. Cheon, R. Chistov, Y. Choi, Y. K. Choi, A. Chuvikov, M. DanilovL. Y. 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, W. S. Hou, H. C. Huang, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, Y. Iwasaki, J. H. Kang, J. S. Kang, P. Kapusta, N. Katayama, H. Kawai, H. Kichimi, H. J. Kim, Hyunwoo Kim, J. H. Kim, S. K. Kim, K. Kinoshita, P. Koppenburg, S. Korpar, P. Križan, P. Krokovny, A. Kuzmin, Y. J. Kwon, J. S. Lange, G. Leder, S. H. Lee, T. Lesiak, J. Li, A. Limosani, S. W. Lin, J. MacNaughton, G. Majumder, F. Mandl, H. Matsumoto, T. Matsumoto, A. Matyja, Y. Mikami, W. Mitaroff, K. Miyabayashi, H. Miyata, D. Mohapatra, G. R. Moloney, T. Nagamine, Y. Nagasaka, E. Nakano, H. Nakazawa, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, H. Ozaki, C. W. Park, K. S. Park, N. Parslow, L. E. Piilonen, H. Sagawa, M. Saigo, Y. Sakai, O. Schneider, J. Schümann, A. J. Schwartz, S. Semenov, K. Senyo, H. Shibuya, B. Shwartz, V. Sidorov, J. B. Singh, N. Soni, S. Stanič, M. Starič, K. Sumisawa, T. Sumiyoshi, S. Suzuki, S. Y. Suzuki, F. Takasaki, K. Tamai, N. Tamura, Y. Teramoto, T. Tomura, K. Trabelsi, T. Tsuboyama, T. Tsukamoto, S. Uehara, K. Ueno, S. Uno, G. Varner, C. C. Wang, J. G. Wang, Y. Watanabe, B. D. Yabsley, Y. Yamada, A. Yamaguchi, H. Yamamoto, Y. Yamashita, M. Yamauchi, Y. Yusa, Z. P. Zhang, V. Zhilich, D. Žontar

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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.

Original languageEnglish
Article number101803
Pages (from-to)101803-1-101803-5
JournalPhysical review letters
Volume92
Issue number10
DOIs
Publication statusPublished - Mar 12 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Tajima, O., Abe, K., Aihara, H., Akatsu, M., Aulchenko, V., Aushev, T., Bakich, A. M., Bay, A., Bizjak, I., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., Chao, Y., Cheon, B. G., Chistov, R., Choi, Y., Choi, Y. K., Chuvikov, A., ... Žontar, D. (2004). Observation of the Radiative Decay D0→φγ. Physical review letters, 92(10), 101803-1-101803-5. [101803]. https://doi.org/10.1103/PhysRevLett.92.101803