Search for Ω(2012)→ KΞ(1530) → KπΞ at Belle

Belle Collaboration, S. Jia,C. P. Shen, I. Adachi, J. K. Ahn,H. Aihara,S. Al Said, D. M. Asner,T. Aushev, R. Ayad, V. Babu, S. Bahinipati,A. M. Bakich,P. Behera, C. Beleño,J. Bennett,M. Berger,V. Bhardwaj,T. Bilka,J. Biswal,A. Bobrov, A. Bozek, M. Bračko,T. E. Browder,M. Campajola,L. Cao, D. Červenkov,V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin,H. E. Cho,K. Cho,S. -K. Choi, Y. Choi,S. Choudhury, D. Cinabro,S. Cunliffe,N. Dash,G. De Nardo,F. Di Capua,S. Di Carlo,Z. Doležal, T. V. Dong,S. Eidelman, D. Epifanov,J. E. Fast,B. G. Fulsom,V. Gaur, N. Gabyshev, A. Garmash,A. Giri, P. Goldenzweig,B. Golob,O. Grzymkowska,O. Hartbrich, K. Hayasaka,H. Hayashii, W. -S. Hou,K. Huang, T. Iijima, K. Inami,G. Inguglia, A. Ishikawa, R. Itoh,M. Iwasaki, Y. Iwasaki,W. W. Jacobs,Y. Jin,D. Joffe, K. K. Joo,A. B. Kaliyar, K. H. Kang, G. Karyan,Y. Kato,T. Kawasaki,H. Kichimi, D. Y. Kim,H. J. Kim,K. T. Kim,S. H. Kim,K. Kinoshita, P. Kodyš,S. Korpar, D. Kotchetkov,P. Križan,R. Kroeger, P. Krokovny,R. Kumar, A. Kuzmin,Y. -J. Kwon, J. S. Lange,I. S. Lee,J. K. Lee,J. Y. Lee,S. C. Lee,L. K. Li, Y. B. Li,L. Li Gioi, J. Libby, K. Lieret, D. Liventsev, P. -C. Lu,J. MacNaughton, C. MacQueen,M. Masuda,T. Matsuda,D. Matvienko, J. T. McNeil,M. Merola,H. Miyata, R. Mizuk, T. Mori, R. Mussa,T. Nakano, M. Nakao, K. J. Nath,M. Nayak, M. Niiyama,N. K. Nisar,S. Nishida,K. Nishimura,K. Ogawa,S. Ogawa,H. Ono, Y. Onuki,W. Ostrowicz,P. Pakhlov, G. Pakhlova, B. Pal,T. Pang, S. Pardi,S. -H. Park,S. Patra,S. Paul,T. K. Pedlar, R. Pestotnik,L. E. Piilonen,V. Popov, E. Prencipe,M. Ritter,A. Rostomyan,G. Russo, Y. Sakai,M. Salehi,S. Sandilya, L. Santelj, T. Sanuki, V. Savinov,O. Schneider, G. Schnell, J. Schueler,C. Schwanda, Y. Seino,K. Senyo,O. Seon,M. E. Sevior, V. Shebalin, J. -G. Shiu,A. Sokolov,E. Solovieva, M. Starič,J. F. Strube, M. Sumihama, T. Sumiyoshi,W. Sutcliffe,M. Takizawa,U. Tamponi,K. Tanida,F. Tenchini,M. Uchida,T. Uglov, Y. Unno,S. Uno, P. Urquijo,Y. Usov,S. E. Vahsen,R. Van Tonder, G. Varner,A. Vinokurova,A. Vossen,B. Wang,C. H. Wang, M. -Z. Wang, P. Wang, E. Won, S. B. Yang,H. Ye,J. Yelton, J. H. Yin, C. Z. Yuan, Y. Yusa, Z. P. Zhang,V. Zhilich,V. Zhukova

Physical Review D(2019)

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摘要
Using data samples of e^+e^- collisions collected at the Υ(1S), Υ(2S), and Υ(3S) resonances with the Belle detector, we search for the three-body decay of the Ω(2012) baryon to KπΞ. This decay is predicted to dominate for models describing the Ω(2012) as a KΞ(1530) molecule. No significant Ω(2012) signals are observed in the studied channels, and 90% credibility level upper limits on the ratios of the branching fractions relative to K Ξ decay modes are obtained.
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