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Measurement of the masses and widths of the Sigma(c)(2455)(+) and Sigma(c)(2520)(+) baryonsopen access

Authors
Yelton, J.Adachi, IAhn, J. K.Aihara, H.Al Said, S.Asner, D. M.Atmacan, H.Aulchenko, VAushev, T.Ayad, R.Babu, VBahinipati, S.Behera, P.Belous, K.Bennett, J.Bessner, M.Bhardwaj, VBhuyan, B.Bilka, T.Biswal, J.Bozek, A.Bracko, M.Branchini, P.Browder, T. E.Budano, A.Campajola, M.Cervenkov, D.Chang, M-CChang, P.Chekelian, VChen, A.Cheon, B. G.Chilikin, K.Cho, H. E.Cho, K.Cho, S-JChoi, S-KChoi, Y.Choudhury, S.Cinabro, D.Cunliffe, S.Das, S.Dash, N.De Nardo, G.De Pietro, G.Dhamija, R.Di Capua, F.Dingfelder, J.Dolezal, Z.Dong, T., VEpifanov, D.Ferber, T.Ferlewicz, D.Fulsom, B. G.Garg, R.Gaur, VGabyshev, N.Garmash, A.Giri, A.Goldenzweig, P.Graziani, E.Gu, T.Gudkova, K.Hadjivasiliou, C.Hara, T.Hartbrich, O.Hayasaka, K.Hayashii, H.Hou, W-SHsu, C-LInami, K.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Jacobs, W. W.Jia, S.Jin, Y.Joo, K. K.Kaliyar, A. B.Kang, K. H.Kato, Y.Kiesling, C.Kim, C. H.Kim, D. Y.Kim, K-HKim, S. H.Kim, Y-KKinoshita, K.Kodys, P.Konno, T.Korobov, A.Korpar, S.Kovalenko, E.Krizan, P.Kroeger, R.Krokovny, P.Kuhr, T.Kulasiri, R.Kumara, K.Kwon, Y-JLange, J. S.Laurenza, M.Lee, S. C.Li, J.Li, L. K.Li, Y. B.Li Gioi, L.Libby, J.Lieret, K.Liventsev, D.MacQueen, C.Masuda, M.Matsuda, T.Matvienko, D.McNeil, J. T.Merola, M.Miyabayashi, K.Mizuk, R.Mohanty, G. B.Moon, T. J.Mussa, R.Nakao, M.Natkaniec, Z.Natochii, A.Nayak, L.Nayak, M.Niiyama, M.Nisar, N. K.Nishida, S.Ogawa, S.Ono, H.Onuki, Y.Oskin, P.Pakhlov, P.Pakhlova, G.Pardi, S.Park, H.Park, S-HPaul, S.Pedlar, T. K.Pestotnik, R.Piilonen, L. E.Podobnik, T.Prencipe, E.Prim, M. T.Rostomyan, A.Rout, N.Russo, G.Sahoo, D.Sakai, Y.Sandilya, S.Sangal, A.Santelj, L.Sanuki, T.Savinov, VSchnell, G.Schueler, J.Schwanda, C.Seino, Y.Senyo, K.Sevior, M. E.Shapkin, M.Sharma, C.Shen, C. P.Shiu, J-GSokolov, A.Solovieva, E.Staric, M.Stottler, Z. S.Sumihama, M.Sumisawa, K.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tanida, K.Tao, Y.Tenchini, F.Trabelsi, K.Uchida, M.Uglov, T.Unno, Y.Uno, S.Urquijo, P.Usov, Y.Vahsen, S. E.Van Tonder, R.Varner, G.Vinokurova, A.Waheed, E.Wang, C. H.Wang, D.Wang, E.Wang, M-ZWang, P.Watanabe, M.Watanuki, S.Won, E.Yabsley, B. D.Yan, W.Yang, S. B.Ye, H.Yin, J. H.Yuan, C. Z.Zhang, Z. P.Zhilich, VZhukova, V
Issue Date
8-9월-2021
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.104, no.5
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW D
Volume
104
Number
5
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/144649
DOI
10.1103/PhysRevD.104.052003
ISSN
2470-0010
Abstract
Using 980 fb(-1) of data collected with the Belle detector operating at the KEKB asymmetric-energy ethorne-collider, we report the measurements of the masses, and the first measurements of the instrinsic widths, of the Sigma(c) (2455)(+) and Sigma(c)(2520)(+) charmed baryons. We find M(Sigma(c)(2455)(+)) - M(Lambda(+)(c)) = 166.17 +/- 0.05(-0.07)(+0.16) MeV/c(2), Gamma(Sigma(c) (2455)(+)) = 2.3 +/- 0.3 +/- 0.3 MeV/c(2), M(Sigma(c()2520)(+)) -M(Lambda(+)(c)) = 230.9 +/- 0.5(-0.1)(+0.5) MeV/c(2), and Gamma(Sigma(c()2520)(+)) = 17.2(-2.1)(-0.7)(+2.3)(+3.1) MeV/c(2), where the uncertainties are statistical and systematic, respectively. These measurements can be used to test models of the underlying quark structure of the Sc states.
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