Search for tetraquark states Xcc s- s- in Ds+ Ds+ (Ds∗+ Ds∗+) final states at Belle

X. Y. Gao; Y. Li; C. P. Shen; I. Adachi; H. Aihara; D. M. Asner; H. Atmacan; T. Aushev; R. Ayad; P. Behera; K. Belous; M. Bessner; V. Bhardwaj; B. Bhuyan; T. Bilka; A. Bobrov; D. Bodrov; G. Bonvicini; J. Borah; A. Bozek; M. Bračko; T. E. Browder; A. Budano; M. Campajola; D. Červenkov; M. C. Chang; P. Chang; A. Chen; B. G. Cheon; K. Chilikin; H. E. Cho; K. Cho; S. J. Cho; S. K. Choi; Y. Choi; S. Choudhury; D. Cinabro; S. Cunliffe; S. Das; G. De Pietro; R. Dhamija; F. Di Capua; J. Dingfelder; Z. DoleŽal; T. V. Dong; D. Dossett; D. Epifanov; T. Ferber; A. Frey; B. G. Fulsom; R. Garg; V. Gaur; N. Gabyshev; A. Giri; P. Goldenzweig; T. Gu; Y. Guan; K. Gudkova; C. Hadjivasiliou; S. Halder; O. Hartbrich; K. Hayasaka; H. Hayashii; M. T. Hedges; W. S. Hou; C. L. Hsu; T. Iijima; K. Inami; G. Inguglia; A. Ishikawa; R. Itoh; M. Iwasaki; Y. Iwasaki; W. W. Jacobs; E. J. Jang; S. Jia; Y. Jin; K. K. Joo; J. Kahn; A. B. Kaliyar; K. H. Kang; G. Karyan; T. Kawasaki; H. Kichimi; C. Kiesling; C. H. Kim; D. Y. Kim; K. H. Kim; Y. K. Kim; P. Kodyš; T. Konno; A. Korobov; S. Korpar; E. Kovalenko; P. KriŽan; R. Kroeger; P. Krokovny; T. Kuhr; R. Kumar; K. Kumara; A. Kuzmin; Y. J. Kwon; Y. T. Lai; T. Lam; J. S. Lange; M. Laurenza; S. C. Lee; C. H. Li; J. Li; L. K. Li; Y. B. Li; L. Li Gioi; J. Libby; K. Lieret; D. Liventsev; A. Martini; M. Masuda; T. Matsuda; D. Matvienko; S. K. Maurya; F. Meier; M. Merola; F. Metzner; K. Miyabayashi; R. Mizuk; G. B. Mohanty; R. Mussa; M. Nakao; Z. Natkaniec; A. Natochii; L. Nayak; M. Niiyama; N. K. Nisar; S. Nishida; K. Ogawa; S. Ogawa; H. Ono; P. Oskin; P. Pakhlov; G. Pakhlova; T. Pang; S. Pardi; H. Park; S. H. Park; S. Patra; S. Paul; T. K. Pedlar; R. Pestotnik; L. E. Piilonen; T. Podobnik; V. Popov; E. Prencipe; M. T. Prim; M. Röhrken; A. Rostomyan; N. Rout; G. Russo; D. Sahoo; S. Sandilya; A. Sangal; L. Santelj; T. Sanuki; V. Savinov; G. Schnell; Y. Seino; K. Senyo; M. E. Sevior; M. Shapkin; C. Sharma; J. G. Shiu; F. Simon; J. B. Singh; A. Sokolov; E. Solovieva; S. Stanič; M. Starič; Z. S. Stottler; M. Sumihama; T. Sumiyoshi; M. Takizawa; U. Tamponi; K. Tanida; F. Tenchini; M. Uchida; K. Uno; S. Uno; P. Urquijo; Y. Usov; R. Van Tonder; G. Varner; A. Vinokurova; E. Waheed; E. Wang; M. Z. Wang; X. L. Wang; M. Watanabe; S. Watanuki; E. Won; X. Xu; B. D. Yabsley; W. Yan; S. B. Yang; H. Ye; J. H. Yin; C. Z. Yuan; Y. Zhai; Z. P. Zhang; V. Zhilich; V. Zhukova

doi:10.1103/PhysRevD.105.032002

Search for tetraquark states Xcc s- s- in Ds+ Ds+ (Ds∗+ Ds∗+) final states at Belle

X. Y. Gao
, Y. Li
, C. P. Shen
, I. Adachi
, H. Aihara
, D. M. Asner
, H. Atmacan
, T. Aushev
, R. Ayad
, P. Behera
, K. Belous
, M. Bessner
, V. Bhardwaj
, B. Bhuyan
, T. Bilka
, A. Bobrov
, D. Bodrov
, G. Bonvicini
, J. Borah
, A. Bozek

M. Bračko, T. E. Browder, A. Budano, M. Campajola, D. Červenkov, M. C. Chang, P. Chang, A. Chen, B. G. Cheon, K. Chilikin, H. E. Cho, K. Cho, S. J. Cho, S. K. Choi, Y. Choi, S. Choudhury, D. Cinabro, S. Cunliffe, S. Das, G. De Pietro, R. Dhamija, F. Di Capua, J. Dingfelder, Z. DoleŽal, T. V. Dong, D. Dossett, D. Epifanov, T. Ferber, A. Frey, B. G. Fulsom, R. Garg, V. Gaur, N. Gabyshev, A. Giri, P. Goldenzweig, T. Gu, Y. Guan, K. Gudkova, C. Hadjivasiliou, S. Halder, O. Hartbrich, K. Hayasaka, H. Hayashii, M. T. Hedges, W. S. Hou, C. L. Hsu, T. Iijima, K. Inami, G. Inguglia, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, W. W. Jacobs, E. J. Jang, S. Jia, Y. Jin, K. K. Joo, J. Kahn, A. B. Kaliyar, K. H. Kang, G. Karyan, T. Kawasaki, H. Kichimi, C. Kiesling, C. H. Kim, D. Y. Kim, K. H. Kim, Y. K. Kim, P. Kodyš, T. Konno, A. Korobov, S. Korpar, E. Kovalenko, P. KriŽan, R. Kroeger, P. Krokovny, T. Kuhr, R. Kumar, K. Kumara, A. Kuzmin, Y. J. Kwon, Y. T. Lai, T. Lam, J. S. Lange, M. Laurenza, S. C. Lee, C. H. Li, J. Li, L. K. Li, Y. B. Li, L. Li Gioi, J. Libby, K. Lieret, D. Liventsev, A. Martini, M. Masuda, T. Matsuda, D. Matvienko, S. K. Maurya, F. Meier, M. Merola, F. Metzner, K. Miyabayashi, R. Mizuk, G. B. Mohanty, R. Mussa, M. Nakao, Z. Natkaniec, A. Natochii, L. Nayak, M. Niiyama, N. K. Nisar, S. Nishida, K. Ogawa, S. Ogawa, H. Ono, P. Oskin, P. Pakhlov, G. Pakhlova, T. Pang, S. Pardi, H. Park, S. H. Park, S. Patra, S. Paul, T. K. Pedlar, R. Pestotnik, L. E. Piilonen, T. Podobnik, V. Popov, E. Prencipe, M. T. Prim, M. Röhrken, A. Rostomyan, N. Rout, G. Russo, D. Sahoo, S. Sandilya, A. Sangal, L. Santelj, T. Sanuki, V. Savinov, G. Schnell, Y. Seino, K. Senyo, M. E. Sevior, M. Shapkin, C. Sharma, J. G. Shiu, F. Simon, J. B. Singh, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, Z. S. Stottler, M. Sumihama, T. Sumiyoshi, M. Takizawa, U. Tamponi, K. Tanida, F. Tenchini, M. Uchida, K. Uno, S. Uno, P. Urquijo, Y. Usov, R. Van Tonder, G. Varner, A. Vinokurova, E. Waheed, E. Wang, M. Z. Wang, X. L. Wang, M. Watanabe, S. Watanuki, E. Won, X. Xu, B. D. Yabsley, W. Yan, S. B. Yang, H. Ye, J. H. Yin, C. Z. Yuan, Y. Zhai, Z. P. Zhang, V. Zhilich, V. Zhukova

Fudan University
The Graduate University for Advanced Studies
High Energy Accelerator Research Organization, Tsukuba
The University of Tokyo
Brookhaven National Laboratory
University of Cincinnati
Higher School of Economics
University of Tabuk
Indian Institute of Technology Madras
Institute for High Energy Physics
University of Hawai'i at Mānoa
Indian Institute of Science Education and Research Mohali
Indian Institute of Technology Guwahati
Charles University
RAS - Budker Institute of Nuclear Physics
Novosibirsk State University
RAS - P.N. Lebedev Physics Institute
Wayne State University
H. Niewodniczanski Institute of Nuclear Physics
Jožef Stefan Institute
University of Maribor
National Institute for Nuclear Physics
University of Naples Federico II
Fu Jen Catholic University
National Taiwan University
National Central University
Hanyang University
Korea Institute of Science and Technology Information
Yonsei University
Chung-Ang University
Sungkyunkwan University
Iowa State University
German Electron Synchrotron
Malaviya National Institute of Technology
Indian Institute of Technology Hyderabad
University of Bonn
Duy Tan University
University of Melbourne
University of Göttingen
Pacific Northwest National Laboratory
Panjab University
Virginia Polytechnic Institute and State University
Karlsruhe Institute of Technology
University of Pittsburgh
Tata Institute of Fundamental Research
Niigata University
Nara Women's University
The University of Sydney
Nagoya University
Austrian Academy of Sciences
Osaka Metropolitan University
Indiana University Bloomington
Gyeongsang National University
Chonnam National University
Kitasato University
Max Planck Institute for Physics (Werner Heisenberg Institute)
Soongsil University
University of Ljubljana
University of Mississippi
Ludwig Maximilian University of Munich
Punjab Agricultural University
Justus Liebig University Giessen
Roma Tre University
Kyungpook National University
Liaoning Normal University
The University of Osaka
University of Miyazaki
Duke University
Kyoto Sangyo University
Toho University
Nippon Dental University
Moscow Engineering Physics Institute
Technical University of Munich
Luther College, Decorah
Jülich Research Centre
Tohoku University
University of the Basque Country
Ikerbasque Basque Foundation for Science
Yamagata University
University of Petroleum and Energy Studies
University of Nova Gorica
Gifu University
Tokyo Metropolitan University
RIKEN
Showa Pharmaceutical University
Japan Atomic Energy Agency
Institute of Science Tokyo
Korea University
Soochow University
University of Science and Technology of China
CAS - Institute of High Energy Physics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

A search for double-heavy tetraquark state candidates Xccs¯s¯ decaying to Ds+Ds+ and Ds∗+Ds∗+ is presented for the first time using the data samples of 102×106 ϒ(1S) and 158×106 ϒ(2S) events, and the data samples at 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(ϒ(1S,2S)→Xccs¯s¯+anything)×B(Xccs¯s¯→Ds+Ds+(Ds∗+Ds∗+))] in ϒ(1S,2S) inclusive decays and the product values of Born cross section and branching fraction [σ(e+e-→Xccs¯s¯+anything)×B(Xccs¯s¯→Ds+Ds+(Ds∗+Ds∗+))] in e+e- collisions at s=10.52, 10.58, and 10.867 GeV under different assumptions of Xccs¯s¯ masses and widths are obtained.

Original language	English
Article number	032002
Journal	Physical Review D
Volume	105
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.105.032002
State	Published - 1 Feb 2022

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10.1103/PhysRevD.105.032002

Cite this

Gao, X. Y., Li, Y., Shen, C. P., Adachi, I., Aihara, H., Asner, D. M., Atmacan, H., Aushev, T., Ayad, R., Behera, P., Belous, K., Bessner, M., Bhardwaj, V., Bhuyan, B., Bilka, T., Bobrov, A., Bodrov, D., Bonvicini, G., Borah, J., ... Zhukova, V. (2022). Search for tetraquark states Xcc s- s- in Ds+ Ds+ (Ds∗+ Ds∗+) final states at Belle. Physical Review D, 105(3), Article 032002. https://doi.org/10.1103/PhysRevD.105.032002

@article{bd5fbb02c5754f10a3c772fb2390e3cb,

title = "Search for tetraquark states Xcc s- s- in Ds+ Ds+ (Ds∗+ Ds∗+) final states at Belle",

abstract = "A search for double-heavy tetraquark state candidates Xccs¯s¯ decaying to Ds+Ds+ and Ds∗+Ds∗+ is presented for the first time using the data samples of 102×106 ϒ(1S) and 158×106 ϒ(2S) events, and the data samples at 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(ϒ(1S,2S)→Xccs¯s¯+anything)×B(Xccs¯s¯→Ds+Ds+(Ds∗+Ds∗+))] in ϒ(1S,2S) inclusive decays and the product values of Born cross section and branching fraction [σ(e+e-→Xccs¯s¯+anything)×B(Xccs¯s¯→Ds+Ds+(Ds∗+Ds∗+))] in e+e- collisions at s=10.52, 10.58, and 10.867 GeV under different assumptions of Xccs¯s¯ masses and widths are obtained.",

author = "Gao, \{X. Y.\} and Y. Li and Shen, \{C. P.\} and I. Adachi and H. Aihara and Asner, \{D. M.\} and H. Atmacan and T. Aushev and R. Ayad and P. Behera and K. Belous and M. Bessner and V. Bhardwaj and B. Bhuyan and T. Bilka and A. Bobrov and D. Bodrov and G. Bonvicini and J. Borah and A. Bozek and M. Bra{\v c}ko and Browder, \{T. E.\} and A. Budano and M. Campajola and D. {\v C}ervenkov and Chang, \{M. C.\} and P. Chang and A. Chen and Cheon, \{B. G.\} and K. Chilikin and Cho, \{H. E.\} and K. Cho and Cho, \{S. J.\} and Choi, \{S. K.\} and Y. Choi and S. Choudhury and D. Cinabro and S. Cunliffe and S. Das and \{De Pietro\}, G. and R. Dhamija and \{Di Capua\}, F. and J. Dingfelder and Z. Dole{\v Z}al and Dong, \{T. V.\} and D. Dossett and D. Epifanov and T. Ferber and A. Frey and Fulsom, \{B. G.\} and R. Garg and V. Gaur and N. Gabyshev and A. Giri and P. Goldenzweig and T. Gu and Y. Guan and K. Gudkova and C. Hadjivasiliou and S. Halder and O. Hartbrich and K. Hayasaka and H. Hayashii and Hedges, \{M. T.\} and Hou, \{W. S.\} and Hsu, \{C. L.\} and T. Iijima and K. Inami and G. Inguglia and A. Ishikawa and R. Itoh and M. Iwasaki and Y. Iwasaki and Jacobs, \{W. W.\} and Jang, \{E. J.\} and S. Jia and Y. Jin and Joo, \{K. K.\} and J. Kahn and Kaliyar, \{A. B.\} and Kang, \{K. H.\} and G. Karyan and T. Kawasaki and H. Kichimi and C. Kiesling and Kim, \{C. H.\} and Kim, \{D. Y.\} and Kim, \{K. H.\} and Kim, \{Y. K.\} and P. Kody{\v s} and T. Konno and A. Korobov and S. Korpar and E. Kovalenko and P. Kri{\v Z}an and R. Kroeger and P. Krokovny and T. Kuhr and R. Kumar and K. Kumara and A. Kuzmin and Kwon, \{Y. J.\} and Lai, \{Y. T.\} and T. Lam and Lange, \{J. S.\} and M. Laurenza and Lee, \{S. C.\} and Li, \{C. H.\} and J. Li and Li, \{L. K.\} and Li, \{Y. B.\} and \{Li Gioi\}, L. and J. Libby and K. Lieret and D. Liventsev and A. Martini and M. Masuda and T. Matsuda and D. Matvienko and Maurya, \{S. K.\} and F. Meier and M. Merola and F. Metzner and K. Miyabayashi and R. Mizuk and Mohanty, \{G. B.\} and R. Mussa and M. Nakao and Z. Natkaniec and A. Natochii and L. Nayak and M. Niiyama and Nisar, \{N. K.\} and S. Nishida and K. Ogawa and S. Ogawa and H. Ono and P. Oskin and P. Pakhlov and G. Pakhlova and T. Pang and S. Pardi and H. Park and Park, \{S. H.\} and S. Patra and S. Paul and Pedlar, \{T. K.\} and R. Pestotnik and Piilonen, \{L. E.\} and T. Podobnik and V. Popov and E. Prencipe and Prim, \{M. T.\} and M. R{\"o}hrken and A. Rostomyan and N. Rout and G. Russo and D. Sahoo and S. Sandilya and A. Sangal and L. Santelj and T. Sanuki and V. Savinov and G. Schnell and Y. Seino and K. Senyo and Sevior, \{M. E.\} and M. Shapkin and C. Sharma and Shiu, \{J. G.\} and F. Simon and Singh, \{J. B.\} and A. Sokolov and E. Solovieva and S. Stani{\v c} and M. Stari{\v c} and Stottler, \{Z. S.\} and M. Sumihama and T. Sumiyoshi and M. Takizawa and U. Tamponi and K. Tanida and F. Tenchini and M. Uchida and K. Uno and S. Uno and P. Urquijo and Y. Usov and \{Van Tonder\}, R. and G. Varner and A. Vinokurova and E. Waheed and E. Wang and Wang, \{M. Z.\} and Wang, \{X. L.\} and M. Watanabe and S. Watanuki and E. Won and X. Xu and Yabsley, \{B. D.\} and W. Yan and Yang, \{S. B.\} and H. Ye and Yin, \{J. H.\} and Yuan, \{C. Z.\} and Y. Zhai and Zhang, \{Z. P.\} and V. Zhilich and V. Zhukova",

note = "Publisher Copyright: {\textcopyright} 2022 authors. Published by the American Physical Society.",

year = "2022",

month = feb,

day = "1",

doi = "10.1103/PhysRevD.105.032002",

language = "English",

volume = "105",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "3",

}

Gao, XY, Li, Y, Shen, CP, Adachi, I, Aihara, H, Asner, DM, Atmacan, H, Aushev, T, Ayad, R, Behera, P, Belous, K, Bessner, M, Bhardwaj, V, Bhuyan, B, Bilka, T, Bobrov, A, Bodrov, D, Bonvicini, G, Borah, J, Bozek, A, Bračko, M, Browder, TE, Budano, A, Campajola, M, Červenkov, D, Chang, MC, Chang, P, Chen, A, Cheon, BG, Chilikin, K, Cho, HE, Cho, K, Cho, SJ, Choi, SK, Choi, Y, Choudhury, S, Cinabro, D, Cunliffe, S, Das, S, De Pietro, G, Dhamija, R, Di Capua, F, Dingfelder, J, DoleŽal, Z, Dong, TV, Dossett, D, Epifanov, D, Ferber, T, Frey, A, Fulsom, BG, Garg, R, Gaur, V, Gabyshev, N, Giri, A, Goldenzweig, P, Gu, T, Guan, Y, Gudkova, K, Hadjivasiliou, C, Halder, S, Hartbrich, O, Hayasaka, K, Hayashii, H, Hedges, MT, Hou, WS, Hsu, CL, Iijima, T, Inami, K, Inguglia, G, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Jacobs, WW, Jang, EJ, Jia, S, Jin, Y, Joo, KK, Kahn, J, Kaliyar, AB, Kang, KH, Karyan, G, Kawasaki, T, Kichimi, H, Kiesling, C, Kim, CH, Kim, DY, Kim, KH, Kim, YK, Kodyš, P, Konno, T, Korobov, A, Korpar, S, Kovalenko, E, KriŽan, P, Kroeger, R, Krokovny, P, Kuhr, T, Kumar, R, Kumara, K, Kuzmin, A, Kwon, YJ, Lai, YT, Lam, T, Lange, JS, Laurenza, M, Lee, SC, Li, CH, Li, J, Li, LK, Li, YB, Li Gioi, L, Libby, J, Lieret, K, Liventsev, D, Martini, A, Masuda, M, Matsuda, T, Matvienko, D, Maurya, SK, Meier, F, Merola, M, Metzner, F, Miyabayashi, K, Mizuk, R, Mohanty, GB, Mussa, R, Nakao, M, Natkaniec, Z, Natochii, A, Nayak, L, Niiyama, M, Nisar, NK, Nishida, S, Ogawa, K, Ogawa, S, Ono, H, Oskin, P, Pakhlov, P, Pakhlova, G, Pang, T, Pardi, S, Park, H, Park, SH, Patra, S, Paul, S, Pedlar, TK, Pestotnik, R, Piilonen, LE, Podobnik, T, Popov, V, Prencipe, E, Prim, MT, Röhrken, M, Rostomyan, A, Rout, N, Russo, G, Sahoo, D, Sandilya, S, Sangal, A, Santelj, L, Sanuki, T, Savinov, V, Schnell, G, Seino, Y, Senyo, K, Sevior, ME, Shapkin, M, Sharma, C, Shiu, JG, Simon, F, Singh, JB, Sokolov, A, Solovieva, E, Stanič, S, Starič, M, Stottler, ZS, 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, MZ, Wang, XL, Watanabe, M, Watanuki, S, Won, E, Xu, X, Yabsley, BD, Yan, W, Yang, SB, Ye, H, Yin, JH, Yuan, CZ, Zhai, Y, Zhang, ZP, Zhilich, V & Zhukova, V 2022, 'Search for tetraquark states Xcc s- s- in Ds+ Ds+ (Ds∗+ Ds∗+) final states at Belle', Physical Review D, vol. 105, no. 3, 032002. https://doi.org/10.1103/PhysRevD.105.032002

TY - JOUR

T1 - Search for tetraquark states Xcc s- s- in Ds+ Ds+ (Ds∗+ Ds∗+) final states at Belle

AU - Gao, X. Y.

AU - Li, Y.

AU - Shen, C. P.

AU - Adachi, I.

AU - Aihara, H.

AU - Asner, D. M.

AU - Atmacan, H.

AU - Aushev, T.

AU - Ayad, R.

AU - Behera, P.

AU - Belous, K.

AU - Bessner, M.

AU - Bhardwaj, V.

AU - Bhuyan, B.

AU - Bilka, T.

AU - Bobrov, A.

AU - Bodrov, D.

AU - Bonvicini, G.

AU - Borah, J.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Budano, A.

AU - Campajola, M.

AU - Červenkov, D.

AU - Chang, M. C.

AU - Chang, P.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chilikin, K.

AU - Cho, H. E.

AU - Cho, K.

AU - Cho, S. J.

AU - Choi, S. K.

AU - Choi, Y.

AU - Choudhury, S.

AU - Cinabro, D.

AU - Cunliffe, S.

AU - Das, S.

AU - De Pietro, G.

AU - Dhamija, R.

AU - Di Capua, F.

AU - Dingfelder, J.

AU - DoleŽal, Z.

AU - Dong, T. V.

AU - Dossett, D.

AU - Epifanov, D.

AU - Ferber, T.

AU - Frey, A.

AU - Fulsom, B. G.

AU - Garg, R.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Giri, A.

AU - Goldenzweig, P.

AU - Gu, T.

AU - Guan, Y.

AU - Gudkova, K.

AU - Hadjivasiliou, C.

AU - Halder, S.

AU - Hartbrich, O.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hedges, M. T.

AU - Hou, W. S.

AU - Hsu, C. L.

AU - Iijima, T.

AU - Inami, K.

AU - Inguglia, G.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Jacobs, W. W.

AU - Jang, E. J.

AU - Jia, S.

AU - Jin, Y.

AU - Joo, K. K.

AU - Kahn, J.

AU - Kaliyar, A. B.

AU - Kang, K. H.

AU - Karyan, G.

AU - Kawasaki, T.

AU - Kichimi, H.

AU - Kiesling, C.

AU - Kim, C. H.

AU - Kim, D. Y.

AU - Kim, K. H.

AU - Kim, Y. K.

AU - Kodyš, P.

AU - Konno, T.

AU - Korobov, A.

AU - Korpar, S.

AU - Kovalenko, E.

AU - KriŽan, P.

AU - Kroeger, R.

AU - Krokovny, P.

AU - Kuhr, T.

AU - Kumar, R.

AU - Kumara, K.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Lai, Y. T.

AU - Lam, T.

AU - Lange, J. S.

AU - Laurenza, M.

AU - Lee, S. C.

AU - Li, C. H.

AU - Li, J.

AU - Li, L. K.

AU - Li, Y. B.

AU - Li Gioi, L.

AU - Libby, J.

AU - Lieret, K.

AU - Liventsev, D.

AU - Martini, A.

AU - Masuda, M.

AU - Matsuda, T.

AU - Matvienko, D.

AU - Maurya, S. K.

AU - Meier, F.

AU - Merola, M.

AU - Metzner, F.

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PY - 2022/2/1

Y1 - 2022/2/1

N2 - A search for double-heavy tetraquark state candidates Xccs¯s¯ decaying to Ds+Ds+ and Ds∗+Ds∗+ is presented for the first time using the data samples of 102×106 ϒ(1S) and 158×106 ϒ(2S) events, and the data samples at 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(ϒ(1S,2S)→Xccs¯s¯+anything)×B(Xccs¯s¯→Ds+Ds+(Ds∗+Ds∗+))] in ϒ(1S,2S) inclusive decays and the product values of Born cross section and branching fraction [σ(e+e-→Xccs¯s¯+anything)×B(Xccs¯s¯→Ds+Ds+(Ds∗+Ds∗+))] in e+e- collisions at s=10.52, 10.58, and 10.867 GeV under different assumptions of Xccs¯s¯ masses and widths are obtained.

AB - A search for double-heavy tetraquark state candidates Xccs¯s¯ decaying to Ds+Ds+ and Ds∗+Ds∗+ is presented for the first time using the data samples of 102×106 ϒ(1S) and 158×106 ϒ(2S) events, and the data samples at 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(ϒ(1S,2S)→Xccs¯s¯+anything)×B(Xccs¯s¯→Ds+Ds+(Ds∗+Ds∗+))] in ϒ(1S,2S) inclusive decays and the product values of Born cross section and branching fraction [σ(e+e-→Xccs¯s¯+anything)×B(Xccs¯s¯→Ds+Ds+(Ds∗+Ds∗+))] in e+e- collisions at s=10.52, 10.58, and 10.867 GeV under different assumptions of Xccs¯s¯ masses and widths are obtained.

UR - https://www.scopus.com/pages/publications/85125720171

U2 - 10.1103/PhysRevD.105.032002

DO - 10.1103/PhysRevD.105.032002

M3 - Article

AN - SCOPUS:85125720171

SN - 2470-0010

VL - 105

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - 032002

ER -

Search for tetraquark states Xcc s- s- in Ds+ Ds+ (Ds∗+ Ds∗+) final states at Belle

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