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Search for tetraquark states X-ccss in D-s(+) D-s(+) (D-s*(+) D-s*(+)) final states at Belle

Authors
Gao, X. Y.Li, Y.Shen, C. P.Adachi, IAihara, H.Asner, D. M.Atmacan, H.Aushev, T.Ayad, R.Behera, P.Belous, K.Bessner, M.Bhardwaj, VBhuyan, B.Bilka, T.Bobrov, A.Bodrov, D.Bonvicini, G.Borah, J.Bozek, A.Browder, T. E.Budano, A.Campajola, M.Chang, M-CChang, P.Chen, 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.De Pietro, G.Dhamija, R.Di Capua, F.Dingfelder, J.Dolezal, Z.Dong, T., VDossett, D.Epifanov, D.Ferber, T.Frey, A.Fulsom, B. G.Garg, R.Gaur, VGabyshev, N.Giri, A.Goldenzweig, P.Gu, T.Guan, Y.Gudkova, K.Hadjivasiliou, C.Halder, S.Hartbrich, O.Hayasaka, K.Hayashii, H.Hedges, M. T.Hou, W-SHsu, C-LIijima, T.Inami, K.Inguglia, G.Ishikawa, A.Itoh, R.Iwasaki, M.Iwasaki, Y.Jacobs, W. W.Jang, E-JJia, S.Jin, Y.Joo, K. K.Kahn, J.Kaliyar, A. B.Kang, K. H.Karyan, G.Kawasaki, T.Kichimi, H.Kiesling, C.Kim, C. H.Kim, D. Y.Kim, K-HKim, Y-KKodys, P.Konno, T.Korobov, A.Korpar, S.Kovalenko, E.Krizan, P.Kroeger, R.Krokovny, P.Kuhr, T.Kumar, R.Kumara, K.Kuzmin, A.Kwon, Y-JLai, Y-TLam, T.Lange, J. S.Laurenza, M.Lee, S. C.Li, C. H.Li, J.Li, L. K.Li, Y. B.Li Gioi, L.Libby, J.Lieret, K.Liventsev, D.Martini, A.Masuda, M.Matsuda, T.Matvienko, D.Maurya, S. K.Meier, F.Merola, M.Metzner, F.Miyabayashi, K.Mizuk, R.Mohanty, G. B.Mussa, R.Nakao, M.Natkaniec, Z.Natochii, A.Nayak, L.Niiyama, M.Nisar, N. K.Nishida, S.Ogawa, K.Ogawa, S.Ono, H.Oskin, P.Pakhlov, P.Pakhlova, G.Pang, T.Pardi, S.Park, H.Park, S-HPatra, S.Paul, S.Pedlar, T. K.Pestotnik, R.Piilonen, L. E.Podobnik, T.Popov, VPrencipe, E.Prim, M. T.Rohrken, M.Rostomyan, A.Rout, N.Russo, G.Sahoo, D.Sandilya, S.Sangal, A.Santelj, L.Sanuki, T.Savinov, VSchnell, G.Seino, Y.Senyo, K.Sevior, M. E.Shapkin, M.Sharma, C.Shiu, J-GSimon, F.Singh, J. B.Sokolov, A.Solovieva, E.Stanic, S.Staric, M.Stottler, Z. S.Sumihama, M.Sumiyoshi, T.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Uchida, M.Uno, K.Uno, S.Urquijo, P.Usov, Y.Van Tonder, R.Varner, G.Vinokurova, A.Waheed, E.Wang, E.Wang, M-ZWang, X. L.Watanabe, M.Watanuki, S.Won, E.Xu, X.Yabsley, B. D.Yan, W.Yang, S. B.Ye, H.Yin, J. H.Yuan, C. Z.Zhai, Y.Zhang, Z. P.Zhilich, VZhukova, V
Issue Date
Feb-2022
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW D, v.105, no.3
Journal Title
PHYSICAL REVIEW D
Volume
105
Number
3
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/61685
DOI
10.1103/PhysRevD.105.032002
ISSN
2470-0010
2470-0029
Abstract
A search for double-heavy tetraquark state candidates Xcc (x) over bar(s) over bar decaying to Ds+Ds+ and D-s*+D-s(*)+ is presented for the first time using the data samples of 102 x 106 Gamma and 158 x 10(6) Gamma(2S) events, and the data samples at root s = 10.52, 10.58, and 10.867 GeV corresponding to integrated luminosities of 89.5, 711.0, and 121.4 fb(-1), respectively, accumulated with the Belle detector at the KEKB asymmetric energy electron-positron collider. The invariant-mass spectra of the Ds+Ds+ and Ds*+Ds*+ are studied to search for possible resonances. No significant signals are observed, and the 90% confidence level upper limits on the product branching fractions [B(Gamma(1S, 2S) -> X-cc (x) over bar(s) over bar + anything) x B(X-cc (x) over bar(s) over bar Ds+Ds+(Ds*+Ds*+))] Gamma(1S, 2S) inclusive decays and the product values of Born cross section and branching fraction [sigma(e(+)e(-) -> Xcc (x) over bar(s) over bar + anythin) x B(Xcc (x) over bar(s) over bar -> Ds+Ds+(Ds*+Ds*+))] in e(+)e(-) collisions at root s = 10.52, 10.58, and 10.867 GeV under different assumptions of Xcc (x) over bar(s) over bar masses and widths are obtained.
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