Measurement of forward-backward asymmetry and Wilson coefficients in Bâ†'K*l+l-

A. Ishikawa, K. Abe, I. Adachi, H. Aihara, D. Anipko, Y. Asano, T. Aushev, A. M. Bakich, V. Balagura, M. Barbero, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, P. Chang, Y. Chao, A. ChenB. G. Cheon, Y. Choi, Y. K. Choi, A. Chuvikov, J. Dalseno, M. Danilov, M. Dash, A. Drutskoy, S. Eidelman, S. Fratina, N. Gabyshev, T. Gershon, G. Gokhroo, B. Golob, A. Gorišek, H. Ha, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, M. Hazumi, L. Hinz, T. Hokuue, Y. Hoshi, S. Hou, W. S. Hou, Y. B. Hsiung, T. Iijima, K. Ikado, K. Inami, H. Ishino, R. Itoh, M. Iwasaki, Y. Iwasaki, J. H. Kang, S. U. Kataoka, N. Katayama, H. Kawai, T. Kawasaki, H. R. Khan, H. Kichimi, S. K. Kim, S. M. Kim, K. Kinoshita, S. Korpar, P. Križan, R. Kulasiri, R. Kumar, C. C. Kuo, Y. J. Kwon, J. Lee, S. E. Lee, T. Lesiak, J. Li, A. Limosani, S. W. Lin, D. Liventsev, G. Majumder, F. Mandl, T. Matsumoto, A. Matyja, S. McOnie, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, G. R. Moloney, T. Nagamine, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, Y. Onuki, H. Ozaki, C. W. Park, R. Pestotnik, L. E. Piilonen, M. Rozanska, Y. Sakai, N. Sato, N. Satoyama, T. Schietinger, O. Schneider, C. Schwanda, A. J. Schwartz, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, H. Shibuya, A. Somov, N. Soni, R. Stamen, S. Stanič, M. Starič, H. Stoeck, K. Sumisawa, S. Suzuki, O. Tajima, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, K. Trabelsi, T. Tsukamoto, S. Uehara, S. Uno, P. Urquijo, Y. Ushiroda, Y. Usov, G. Varner, S. Villa, C. C. Wang, C. H. Wang, M. Z. Wang, Y. Watanabe, E. Won, Q. L. Xie, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, J. Ying, Y. Yusa, J. Zhang, L. M. Zhang, Z. P. Zhang

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Abstract

We report the first measurement of the forward-backward asymmetry and the ratios of Wilson coefficients A9/A7 and A10/A7 in Bâ†' K*â.,"+â.,"-, where â.," represents an electron or a muon. We find evidence for the forward-backward asymmetry with a significance of 3.4Ï. The results are obtained from a data sample containing 386 106†â€BB pairs that were collected on the Î¥(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider.

Original languageEnglish
Article number251801
JournalPhysical Review Letters
Volume96
Issue number25
DOIs
Publication statusPublished - 2006
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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