Observation of Radiative B → φKγ Decays

A. Drutskoy, 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. Casey, Y. ChaoB. 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, H. 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

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Abstract

The radiative decay B → φKγ, which provide an important tool to search for physics beyond the standard model is observed. An upper limit for the particular decay mode and a branching fraction for the B -→φK-γ decay mode are obtained. It is found that the measured decay branching fraction is roughly an order of magnitude smaller than B→K*γ branching fractions. This factor can be attributed to the additional electron pair.

Original languageEnglish
Article number051801
Pages (from-to)518011-518015
Number of pages5
JournalPhysical review letters
Volume92
Issue number5
Publication statusPublished - 2004 Feb 6

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Drutskoy, A., 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., Casey, B. C. K., ... Žontar, D. (2004). Observation of Radiative B → φKγ Decays. Physical review letters, 92(5), 518011-518015. [051801].