Observation of Radiative [Formula presented] Decays

A. Drutskoy, K. Abe, K. Abe, T. Abe, H. Aihara, M. Akatsu, Y. Asano, V. Aulchenko, T. Aushev, A. M. Bakich, Y. Ban, A. Bay, I. Bedny, P. K. Behera, I. Bizjak, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, B. C.K. CaseyY. Chao, B. G. Cheon, R. Chistov, Y. Choi, A. Chuvikov, M. Danilov, M. Dash, L. Y. Dong, S. Eidelman, V. Eiges, N. Gabyshev, A. Garmash, T. Gershon, B. Golob, J. Haba, C. Hagner, F. Handa, N. C. Hastings, H. Hayashii, M. Hazumi, L. Hinz, T. Hokuue, Y. Hoshi, W. S. Hou, H. C. Huang, Y. Igarashi, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, H. Iwasaki, M. Iwasaki, Y. Iwasaki, H. K. Jang, J. H. Kang, J. S. Kang, P. Kapusta, N. Katayama, T. Kawasaki, H. Kichimi, D. W. Kim, H. J. Kim, Hyunwoo Kim, J. H. Kim, S. K. Kim, K. Kinoshita, P. Koppenburg, S. Korpar, P. Križan, P. Krokovny, Y. J. Kwon, S. H. Lee, T. Lesiak, J. Li, J. MacNaughton, D. Marlow, T. Matsumoto, A. Matyja, W. Mitaroff, H. Miyata, D. Mohapatra, G. R. Moloney, T. Mori, T. Nagamine, Y. Nagasaka, T. Nakadaira, E. Nakano, M. Nakao, J. W. Nam, Z. Natkaniec, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, W. Ostrowicz, H. Ozaki, P. Pakhlov, H. Palka, C. W. Park, H. Park, K. S. Park, N. Parslow, M. Peters, L. E. Piilonen, N. Root, H. Sagawa, S. Saitoh, Y. Sakai, T. R. Sarangi, A. Satpathy, O. Schneider, J. Schümann, A. J. Schwartz, S. Semenov, K. Senyo, M. E. Sevior, H. Shibuya, B. Shwartz, V. Sidorov, J. B. Singh, N. Soni, S. Stanič, M. Starič, A. Sugi, K. Sumisawa, T. Sumiyoshi, S. Suzuki, S. Y. Suzuki, F. Takasaki, N. Tamura, M. Tanaka, Y. Teramoto, T. Tomura, K. Trabelsi, T. Tsuboyama, T. Tsukamoto, S. Uehara, S. Uno, G. Varner, K. E. Varvell, C. H. Wang, J. G. Wang, M. Z. Wang, Y. Watanabe, E. Won, Y. Yamada, Y. Yamashita, M. Yamauchi, Y. Yuan, Y. Yusa, Z. P. Zhang, V. Zhilich, D. Žontar

Research output: Contribution to journalArticle

Abstract

The radiative decay [Formula presented] is observed for the first time. The branching fraction for the charged [Formula presented] decay mode is measured to be [Formula presented]. The photon energy distribution for the [Formula presented] decay is presented. The signal for the neutral [Formula presented] decay mode is not statistically significant and an upper limit, [Formula presented] at 90% C.L., is set. The analysis is based on a data set of [Formula presented] collected by the Belle experiment at the [Formula presented] asymmetric collider KEKB.

Original languageEnglish
Number of pages1
JournalPhysical Review Letters
Volume92
Issue number5
DOIs
StatePublished - 2004 Jan 1

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    Drutskoy, A., Abe, K., Abe, K., Abe, T., Aihara, H., Akatsu, M., Asano, Y., Aulchenko, V., Aushev, T., Bakich, A. M., Ban, Y., Bay, A., Bedny, I., Behera, P. K., Bizjak, I., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., ... Žontar, D. (2004). Observation of Radiative [Formula presented] Decays. Physical Review Letters, 92(5). https://doi.org/10.1103/PhysRevLett.92.051801