Abstract
Using the entire Belle data sample of 980 ${\rm fb}^{-1}$ of $e^+e^-$ collisions, we present the results of a study of excited $\Omega_c$ charmed baryons in the decay mode $\Xi_c^+K^-$. We show confirmation of four of the five narrow states reported by the LHCb Collaboration: the $\Omega_c(3000)$ , $\Omega_c(3050)$, $\Omega_c(3066)$, and $\Omega_c(3090)$.
Highlights
Using the entire Belle data sample of 980 fb−1 of eþe− collisions, we present the results of a study of excited Ωc charmed baryons in the decay mode Ξþc K−
We show confirmation of four of the five narrow states reported by the LHCb Collaboration: the Ωcð3000Þ, Ωcð3050Þ, Ωcð3066Þ, and Ωcð3090Þ
The ground state of Ω0c can be considered as a spin-1 diquark in combination with the charm quark, as symmetry rules do not allow a spin-0 diquark
Summary
J. Yelton,7 I. Adachi,13,9 H. Aihara,74 S. Al Said,67,32 D. M. Asner,57 V. Aulchenko,3,55 T. Aushev,46 R. Ayad,67 T. Aziz,68 V. Babu,68 A. M. Bakich,66 V. Bansal,57 E. Barberio,44 P. Behera,20 M. Berger,64 V. Bhardwaj,16 B. Bhuyan,18 J. Biswal,28 A. Bobrov,3,55 A. Bozek,52 M. Bračko,42,28 T. E. Browder,12 D. Červenkov,4 P. Chang,51 A. Chen,49 B. G. Cheon,11 K. Chilikin,38,45 K. Cho,33 S.-K. Choi,10 Y. Choi,65 S. Choudhury,19 D. Cinabro,79 T. Czank,72 N. Dash,17 S. Di Carlo,79 Z. Doležal,4 D. Dutta,68 S. Eidelman,3,55 J. E. Fast,57 T. Ferber,6 B. G. Fulsom,57 R. Garg,58 V. Gaur,78 N. Gabyshev,3,55 A. Garmash,3,55 M. Gelb,30 A. Giri,19 P. Goldenzweig,30 B. Golob,39,28 D. Greenwald,70 E. Guido,26 J. Haba,13,9 K. Hayasaka,54 H. Hayashii,48 M. T. Hedges,12 W.-S. Hou,51 K. Inami,47 G. Inguglia,6 A. Ishikawa,72 R. Itoh,13,9 M. Iwasaki,56 Y. Iwasaki,13 W. W. Jacobs,21 H. B. Jeon,36 Y. Jin,74 T. Julius,44 K. H. Kang,36 G. Karyan,6 Y. Kato,47 T. Kawasaki,54 H. Kichimi,13 D. Y. Kim,63 H. J. Kim,36 J. B. Kim,34 S. H. Kim,11 K. Kinoshita,5 P. Kodyš,4 S. Korpar,42,28 D. Kotchetkov,12 P. Križan,39,28 R. Kroeger,24 P. Krokovny,3,55 T. Kuhr,40 R. Kulasiri,31 T. Kumita,76 A. Kuzmin,3,55 Y.-J. Kwon,80 J. S. Lange,81 I. S. Lee,11 S. C. Lee,36 C. H. Li,44 L. K. Li,22 Y. Li,78 L. Li Gioi,43 D. Liventsev,78,13 M. Lubej,28 T. Luo,59 M. Masuda,73 D. Matvienko,3,55 M. Merola,25 H. Miyata,54 R. Mizuk,38,45,46 G. B. Mohanty,68 H. K. Moon,34 T. Mori,47 R. Mussa,26 E. Nakano,56 M. Nakao,13,9 T. Nanut,28 K. J. Nath,18 M. Nayak,79,13 M. Niiyama,35 N. K. Nisar,59 S. Nishida,13,9 S. Ogawa,71 S. Okuno,29 H. Ono,53,54 P. Pakhlov,38,45 G. Pakhlova,38,46 B. Pal,5 H. Park,36 S. Paul,70 I. Pavelkin,46 T. K. Pedlar,41 R. Pestotnik,28 L. E. Piilonen,78 V. Popov,46 M. Ritter,40 G. Russo,25 Y. Sakai,13,9 S. Sandilya,5 V. Savinov,59 O. Schneider,37 G. Schnell,1,15 C. Schwanda,23 Y. Seino,54 M. E. Sevior,44 V. Shebalin,3,55 C. P. Shen,2 T.-A. Shibata,75 N. Shimizu,74 J.-G. Shiu,51 B. Shwartz,3,55 F. Simon,43,69 J. B. Singh,58 E. Solovieva,38,46 M. Starič,28 J. F. Strube,57 M. Sumihama,8 T. Sumiyoshi,76 K. Suzuki,64 M. Takizawa,62,14,60 U. Tamponi,26,77 K. Tanida,27 F. Tenchini,44 M. Uchida,75 T. Uglov,38,46 Y. Unno,11 S. Uno,13,9 Y. Usov,3,55 G. Varner,12 K. E. Varvell,66 A. Vinokurova,3,55 V. Vorobyev,3,55 C. H. Wang,50 M.-Z. Wang,51 P. Wang,22 X. L. Wang,57,13 Y. Watanabe,29 S. Watanuki,72 E. Widmann,64 E. Won,34 H. Ye,6 Y. Yusa,54 S. Zakharov,38 Z. P. Zhang,61 V. Zhilich,3,55 V. Zhulanov,3,55 and A. Zupanc39,28 13High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801 14J-PARC Branch, KEK Theory Center, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801 15IKERBASQUE, Basque Foundation for Science, 48013 Bilbao 16Indian Institute of Science Education and Research Mohali, SAS Nagar, 140306 17Indian Institute of Technology Bhubaneswar, Satya Nagar 751007 18Indian Institute of Technology Guwahati, Assam 781039 19Indian Institute of Technology Hyderabad, Telangana 502285 20Indian Institute of Technology Madras, Chennai 600036 21Indiana University, Bloomington, Indiana 47408 22Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049 23Institute of High Energy Physics, Vienna 1050 24University of Mississippi, University, Mississippi 38677 25INFN—Sezione di Napoli, 80126 Napoli 26INFN—Sezione di Torino, 10125 Torino 27Advanced Science Research Center, Japan Atomic Energy Agency, Naka 319-1195 28J. Stefan Institute, 1000 Ljubljana
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