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e-Article

Experimental determination of the isospin of $\Lambda_c(2765)^+/\Sigma_c(2765)^+$
Document Type
Working Paper
Author
The Belle CollaborationAbdesselam, A.Adachi, I.Adamczyk, K.Ahn, J. K.Aihara, H.Said, S. AlArinstein, K.Arita, Y.Asner, D. M.Atmacan, H.Aulchenko, V.Aushev, T.Ayad, R.Aziz, T.Babu, V.Badhrees, I.Bahinipati, S.Bakich, A. M.Ban, Y.Bansal, V.Barberio, E.Barrett, M.Bartel, W.Behera, P.Beleño, C.Belous, K.Bennett, J.Berger, M.Bernlochner, F.Besson, D.Bhardwaj, V.Bhuyan, B.Bilka, T.Biswal, J.Bloomfield, T.Bobrov, A.Bondar, A.Bonvicini, G.Bozek, A.Bračko, M.Braun, N.Breibeck, F.Browder, T. E.Campajola, M.Cao, L.Caria, G.Červenkov, D.Chang, M. -C.Chang, P.Chao, Y.Cheaib, R.Chekelian, V.Chen, A.Chen, K. -F.Chen, Y.Cheon, B. G.Chilikin, K.Chistov, R.Cho, H. E.Cho, K.Chobanova, V.Choi, S. -K.Choi, Y.Choudhury, S.Cinabro, D.Crnkovic, J.Cunliffe, S.Czank, T.Danilov, M.Dash, N.De Nardo, G.Di Carlo, S.Di Capua, F.Dingfelder, J.Doležal, Z.Dong, T. V.Dossett, D.Drȧsal, Z.Drutskoy, A.Dubey, S.Dutta, D.Eidelman, S.Epifanov, D.Fast, J. E.Feindt, M.Ferber, T.Frey, A.Frost, O.Fulsom, B. G.Garg, R.Gaur, V.Gabyshev, N.Garmash, A.Gelb, M.Gemmler, J.Getzkow, D.Giordano, F.Giri, A.Goldenzweig, P.Golob, B.Greenwald, D.Perdekamp, M. GrosseGrygier, J.Grzymkowska, O.Guan, Y.Guido, E.Guo, H.Haba, J.Hamer, P.Hara, K.Hara, T.Hartbrich, O.Hasegawa, Y.Hasenbusch, J.Hayasaka, K.Hayashii, H.He, X. H.Heck, M.Hedges, M. T.Heffernan, D.Heider, M.Heller, A.Higuchi, T.Hirose, S.Hoshi, Y.Hoshina, K.Hou, W. -S.Hsiung, Y. B.Hsu, C. -L.Huang, K.Huschle, M.Igarashi, Y.Iijima, T.Imamura, M.Inami, K.Inguglia, G.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Iwata, S.Jacobs, W. W.Jaegle, I.Jang, E. -J.Jeon, H. B.Jia, S.Jin, Y.Joffe, D.Jones, M.Joo, C. W.Joo, K. K.Julius, T.Kahn, J.Kakuno, H.Kaliyar, A. B.Kang, J. H.Kang, K. H.Kapusta, P.Karyan, G.Kataoka, S. U.Kato, Y.Katrenko, P.Kawai, H.Kawasaki, T.Keck, T.Kichimi, H.Kiesling, C.Kim, B. H.Kim, C. H.Kim, D. Y.Kim, H. J.Kim, H. -J.Kim, J. B.Kim, K. T.Kim, S. H.Kim, S. K.Kim, Y. J.Kimmel, T.Kindo, H.Kinoshita, K.Kleinwort, C.Klucar, J.Kobayashi, N.Kodyš, P.Koga, Y.Konno, T.Korpar, S.Kotchetkov, D.Kouzes, R. T.Križan, P.Kroeger, R.Krohn, J. -F.Krokovny, P.Kronenbitter, B.Kuhr, T.Kulasiri, R.Kumar, R.Kumita, T.Kurihara, E.Kuroki, Y.Kuzmin, A.Kvasnička, P.Kwon, Y. -J.Lai, Y. -T.Lalwani, K.Lange, J. S.Lee, I. S.Lee, J. K.Lee, J. Y.Lee, S. C.Leitgab, M.Leitner, R.Levit, D.Lewis, P.Li, C. H.Li, H.Li, L. K.Li, Y.Li, Y. B.Gioi, L. LiLibby, J.Lieret, K.Limosani, A.Liptak, Z.Liu, C.Liu, Y.Liventsev, D.Loos, A.Louvot, R.Lu, P. -C.Lubej, M.Luo, T.MacNaughton, J.Masuda, M.Matsuda, T.Matvienko, D.McNeil, J. T.Merola, M.Metzner, F.Miyabayashi, K.Miyachi, Y.Miyake, H.Miyata, H.Miyazaki, Y.Mizuk, R.Mohanty, G. B.Mohanty, S.Moon, H. K.Moon, T. J.Mori, T.Morii, T.Moser, H. -G.Mrvar, M.Müller, T.Muramatsu, N.Mussa, R.Nagasaka, Y.Nakahama, Y.Nakamura, I.Nakamura, K. R.Nakano, E.Nakano, T.Nakao, M.Nakayama, H.Nakazawa, H.Nanut, T.Nath, K. J.Natkaniec, Z.Nayak, M.Neichi, K.Ng, C.Niebuhr, C.Niiyama, M.Nisar, N. K.Nishida, S.Nishimura, K.Nitoh, O.Ogawa, A.Ogawa, K.Ogawa, S.Ohshima, T.Okuno, S.Olsen, S. L.Ono, H.Onuki, Y.Oskin, P.Ostrowicz, W.Oswald, C.Ozaki, H.Pakhlov, P.Pakhlova, G.Pal, B.Pang, T.Panzenböck, E.Pardi, S.Park, C. -S.Park, C. W.Park, H.Park, K. S.Park, S. -H.Patra, S.Paul, S.Pavelkin, I.Pedlar, T. K.Peng, T.Pesàntez, L.Pestotnik, R.Peters, M.Piilonen, L. E.Popov, V.Prasanth, K.Prencipe, E.Prim, M. T.Prothmann, K.Purohit, M. V.Rabusov, A.Rauch, J.Reisert, B.Resmi, P. K.Ribežl, E.Ritter, M.Rorie, J.Rostomyan, A.Rozanska, M.Russo, G.Sahoo, D.Sahoo, H.Sakai, Y.Salehi, M.Sandilya, S.Santel, D.Santelj, L.Sanuki, T.Sasaki, J.Sasao, N.Sato, Y.Savinov, V.Schlüter, T.Schneider, O.Schnell, G.Schram, M.Schueler, J.Schwanda, C.Schwartz, A. J.Schwenker, B.Seidl, R.Seino, Y.Semmler, D.Senyo, K.Seon, O.Seong, I. S.Sevior, M. E.Shang, L.Shapkin, M.Shebalin, V.Shen, C. P.Shibata, T. -A.Shibuya, H.Shinomiya, S.Shiu, J. -G.Shwartz, B.Sibidanov, A.Simon, F.Singh, J. B.Sinha, R.Smith, K.Sokolov, A.Soloviev, Y.Solovieva, E.Stanič, S.Starič, M.Steder, M.Stottler, Z.Strube, J. F.Stypula, J.Sugihara, S.Sugiyama, A.Sumihama, M.Sumisawa, K.Sumiyoshi, T.Sutcliffe, W.Suzuki, K.Suzuki, S.Suzuki, S. Y.Takeichi, H.Takizawa, M.Tamponi, U.Tanaka, M.Tanaka, S.Tanida, K.Taniguchi, N.Tao, Y.Taylor, G. N.Tenchini, F.Teramoto, Y.Trabelsi, K.Tsuboyama, T.Uchida, M.Ueda, I.Uehara, S.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Ushiroda, Y.Usov, Y.Vahsen, S. E.Van Hulse, C.Van Tonder, R.Vanhoefer, P.Varner, G.Varvell, K. E.Vervink, K.Vinokurova, A.Vorobyev, V.Vossen, A.Wagner, M. N.Waheed, E.Wang, B.Wang, C. H.Wang, M. -Z.Wang, P.Wang, X. L.Watanabe, M.Watanabe, Y.Watanuki, S.Wedd, R.Wehle, S.Widmann, E.Wiechczynski, J.Williams, K. M.Won, E.Yabsley, B. D.Yamada, S.Yamamoto, H.Yamashita, Y.Yang, S. B.Yashchenko, S.Ye, H.Yelton, J.Yin, J. H.Yook, Y.Yuan, C. Z.Yusa, Y.Zakharov, S.Zhang, C. C.Zhang, J.Zhang, L. M.Zhang, Z. P.Zhao, L.Zhilich, V.Zhukova, V.Zhulanov, V.Zivko, T.Zupanc, A.Zwahlen, N.
Source
Subject
High Energy Physics - Experiment
Language
Abstract
We report an experimental determination of the isospin of $\Lambda_c(2765)^+/\Sigma_c(2765)^+$ using 980 fb$^{-1}$ data in the $e^+e^-$ annihilation around $\sqrt{s} = 10.6$ GeV collected by the Belle detector located at the KEKB collider. The isospin partners are searched for in the $\Sigma_c(2455)^{++/0} \pi^{0}$ channels, and no evidence was obtained. Thus the isospin is determined to be zero, and the particle is established to be a $\Lambda_c$.
Comment: Conference paper submitted for Hadron2019