Observation Of The Dsj(2317) And Dsj(2457) In B Decays

P. Krokovny,K. Abe,T. Abe,I. Adachi,H. Aihara,K. Akai,M. Akatsu,M. Akemoto,Y. Asano,T. Aso,T. Aushev,A. M. Bakich,I. Bedny, P. K. Behera, I. Bizjak,A. Bondar,M. Braÿcko,T. E. Browder,B. C. K. Casey,Y. Chao,B. G. Cheon,R. Chistov,S.-K. Choi,Y. Choi,Y. K. Choi,A. Chuvikov, L. Y. Dong, J. Dragic,S. Eidelman,V. Eiges,Y. Enari,J. Flanagan,N. Gabyshev,A. Garmash, T. Gershon,B. Golob,R. Guo,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,H. Ikeda, A. Ishikawa,R. Itoh, H. Iwasaki,M. Iwasaki, H. K. Jang,T. Kamitani,J. H. Kang,N. Katayama, H. Kawai, T. Kawasaki,H. Kichimi,E. Kikutani, D. W. Kim, H. J. Kim,Hyunwoo Kim,J. H. Kim,K. Kinoshita,H. Koiso,P. Koppenburg,S. Korpar,A. Kuzmin,Y.-J. Kwon,J. S. Lange, S. H. Lee,T. Lesiak, A. Limosani,S.-W. Lin,J. MacNaughton, G. Majumder,F. Mandl,M. Masuzawa,T. Matsumoto,S. Michizono,Y. Mikami,W. Mitaroff,H. Miyata,D. Mohapatra,G. R. Moloney,T. Nagamine,Y. Nagasaka,T. Nakadaira,T. T. Nakamura,E. Nakano, M. Nakao,H. Nakazawa,J. W. Nam,Z. Natkaniec, S. Nishida,O. Nitoh,T. Nozaki,S. Ogawa,Y. Ogawa,Y. Ohnishi, T. Ohshima,N. Ohuchi,K. Oide,T. Okabe,S. Okuno,S. L. Olsen,W. Ostrowicz,H. Ozaki,P. Pakhlov,H. Palka,N. Parslow,L. E. Piilonen,M. Rozanska,H. Sagawa,S. Saitoh,Y. Sakai,T. R. Sarangi,A. Satpathy, O. Schneider,C. Schwanda,A. J. Schwartz, S. Semenov,M. E. Sevior,H. Shibuya,T. Shidara,V. Sidorov,J. B. Singh, N. Soni,A. Sugi,K. Sumisawa,T. Sumiyoshi,S. Suzuki,F. Takasaki,K. Tamai,N. Tamura,J. Tanaka,M. Tanaka,M. Tawada,Y. Teramoto,T. Tomura,K. Trabelsi,T. Tsuboyama, T. Tsukamoto, S. Uehara,K. E. Varvell,C. H. Wang,Y. Watanabe,E. Won,B. D. Yabsley,Y. Yamada,A. Yamaguchi,N. Yamamoto,Y. Yamashita,M. Yamauchi, H. Yanai,Y. Yuan, C. C. Zhang,Z. P. Zhang,V. Zhilich,M. Yamauchi,H. Yanai,Y. Yuan, C. Zhang,Z. Zhang,V. Zhilich,D. Žontar

PHYSICAL REVIEW LETTERS（2003）

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摘要

We report the first observation of the B-->(D) over barD(sJ)(2317) and B-->(D) over barD(sJ)(2457) decays based on 123.8x10(6) B (B) over bar events collected with the Belle detector at KEKB. We observe the D-sJ(2317) decay to D(s)pi(0) and the D-sJ(2457) decay to the D(s)(*)pi(0) and D(s)gamma final states. We also set 90% C.L. upper limits for the decays D-sJ(2317)-->D-s*gamma, D-sJ(2457)-->D-s*gamma, D-sJ(2457)-->D(s)pi(0), and D-sJ(2457)-->D(s)pi(+)pi(-).

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