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タイトル: Production cross sections of hyperons and charmed baryons from e⁺e⁻ annihilation near √s=10.52  GeV
著者: Niiyama, M.
Sumihama, M.
Nakano, T.
Adachi, I.
Aihara, H.
Al Said, S.
Asner, D. M.
Aulchenko, V.
Aushev, T.
Ayad, R.
Babu, V.
Badhrees, I.
Bakich, A. M.
Bansal, V.
Barberio, E.
Berger, M.
Bhardwaj, V.
Bhuyan, B.
Biswal, J.
Bobrov, A.
Bonvicini, G.
Bozek, A.
Bračko, M.
Browder, T. E.
Červenkov, D.  KAKEN_name
Chang, M.-C.
Chekelian, V.
Chen, A.
Cheon, B. G.
Chilikin, K.
Chistov, R.
Cho, K.
Choi, Y.
Cinabro, D.
Dash, N.
Di Carlo, S.
Doležal, Z.
Drásal, Z.
Dutta, D.
Eidelman, S.
Farhat, H.
Fast, J. E.
Ferber, T.
Fulsom, B. G.
Gaur, V.
Gabyshev, N.
Garmash, A.
Gillard, R.
Goldenzweig, P.
Haba, J.
Hara, T.
Hayasaka, K.
Hayashii, H.
Iijima, T.
Inami, K.
Ishikawa, A.
Itoh, R.
Iwasaki, Y.
Jacobs, W. W.
Jaegle, I.
Jin, Y.
Joffe, D.
Joo, K. K.
Julius, T.
Karyan, G.
Kato, Y.
Katrenko, P.
Kim, D. Y.
Kim, H. J.
Kim, J. B.
Kim, K. T.
Kim, M. J.
Kim, S. H.
Kim, Y. J.
Kinoshita, K.
Kodyš, P.
Kotchetkov, D.
Križan, P.
Krokovny, P.
Kulasiri, R.
Kuzmin, A.
Kwon, Y.-J.
Lange, J. S.
Lee, I. S.
Li, C. H.
Li, L.
Li, Y.
Li Gioi, L.
Libby, J.
Liventsev, D.
Luo, T.
Masuda, M.
Matsuda, T.
Matvienko, D.
Merola, M.
Miyabayashi, K.
Miyata, H.
Mizuk, R.
Moon, H. K.
Mori, T.
Mussa, R.
Nakano, E.
Nakao, M.
Nanut, T.
Nath, K. J.
Natkaniec, Z.
Nayak, M.
Nisar, N. K.
Nishida, S.
Ogawa, S.
Ono, H.
Pakhlov, P.
Pakhlova, G.
Pal, B.
Pardi, S.
Park, H.
Pedlar, T. K.
Piilonen, L. E.
Pulvermacher, C.
Ritter, M.
Sahoo, H.
Sakai, Y.
Sandilya, S.
Santelj, L.
Sato, Y.
Savinov, V.
Schneider, O.
Schnell, G.
Schwanda, C.
Seidl, R.
Seino, Y.
Senyo, K.
Sevior, M. E.
Shebalin, V.
Shen, C. P.
Shibata, T.-A.
Shiu, J.-G.
Shwartz, B.
Simon, F.
Sokolov, A.
Solovieva, E.
Starič, M.
Sumiyoshi, T.
Takizawa, M.
Tanida, K.
Tenchini, F.
Uchida, M.
Uehara, S.
Uglov, T.
Unno, Y.
Uno, S.
Van Hulse, C.
Varner, G.
Vossen, A.
Wang, C. H.
Wang, M.-Z.
Wang, P.
Watanabe, Y.
Widmann, E.
Williams, K. M.
Won, E.
Yamashita, Y.
Ye, H.
Yuan, C. Z.
Yusa, Y.
Zhang, Z. P.
Zhilich, V.
Zhulanov, V.
Zupanc, A.
Belle Collaboration
著者名の別形: 新山, 雅之
発行日: 1-Apr-2018
出版者: American Physical Society (APS)
誌名: Physical Review D
巻: 97
号: 7
論文番号: 072005
抄録: We measure the inclusive production cross sections of hyperons and charmed baryons from e⁺e⁻ annihilation using a 800 fb⁻¹ data sample taken near the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e⁺e⁻ collider. The feed-down contributions from heavy particles are subtracted using our data, and the direct production cross sections are presented for the first time. The production cross sections divided by the number of spin states for S= -1 hyperons follow an exponential function with a single slope parameter except for the Σ(1385)⁺ resonance. Suppression for Σ(1385)⁺ and Ξ(1530)⁰ hyperons is observed. Among the production cross sections of charmed baryons, a factor of 3 difference for Λc⁺ states over Σc states is observed. This observation suggests a diquark structure for these baryons.
著作権等: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP³.
URI: http://hdl.handle.net/2433/231224
DOI(出版社版): 10.1103/PhysRevD.97.072005
出現コレクション:学術雑誌掲載論文等

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