Search for tetraquark states $X_{cc\bar{s}\bar{s}}$ in 
$D_{s}^{+}D_{s}^{+}~(D_{s}^{*+}D_{s}^{*+})$ final states at Belle

Belle Collaboration,; 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.; Bozek, A.; Bračko, M.; Browder, T.E.; Budano, A.; Campajola, M.; Červenkov, D.; Chang, M.-C.; Chang, P.; Chen, A.; Cheon, B.G.; Chilikin, K.; Cho, H.E.; Cho, K.; Cho, S.-J.; Choi, S.-K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Das, S.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Dingfelder, J.; Doležal, Z.; Dong, T.V.; Dossett, D.; Ferber, T.; Frey, A.; Fulsom, B.G.; 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, M.T.; Hou, W.-S.; Hsu, C.-L.; Iijima, T.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Jacobs, W.W.; Jang, E.-J.; Jia, 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.-H.; Kim, Y.-K.; 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, Y.-J.; Lai, Y.-T.; Lam, 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.-H.; Patra, S.; Paul, S.; Pedlar, T.K.; Pestotnik, R.; Piilonen, L.E.; Podobnik, T.; Popov, V.; Prencipe, E.; Prim, M.T.; 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, M.E.; Shapkin, M.; Sharma, C.; Shiu, J.-G.; Simon, F.; Singh, J.B.; Sokolov, A.; Solovieva, E.; Stanič, S.; Starič, 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.-Z.; Wang, 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, V.; Zhukova, V.

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Journal Article

Search for tetraquark states $X_{cc\bar{s}\bar{s}}$ in $D_{s}^{+}D_{s}^{+}~(D_{s}^{+}D_{s}^{+})$ final states at Belle

MPS-Authors

Belle Collaboration,
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Gao, X.Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Li, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Shen, C.P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Adachi, I.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Aihara, H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Asner, D.M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Atmacan, H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Aushev, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ayad, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Behera, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Belous, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bessner, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bhardwaj, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bhuyan, B.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bilka, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bobrov, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bodrov, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bonvicini, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Borah, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bozek, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bračko, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Browder, T.E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Budano, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Campajola, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Červenkov, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Chang, M.-C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Chang, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Chen, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cheon, B.G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Chilikin, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cho, H.E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cho, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cho, S.-J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Choi, S.-K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Choi, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Choudhury, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cinabro, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cunliffe, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Das, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

De Pietro, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Dhamija, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Di Capua, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Dingfelder, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Doležal, Z.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Dong, T.V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Dossett, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ferber, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Frey, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Fulsom, B.G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Garg, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Gaur, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Gabyshev, N.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Giri, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Goldenzweig, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Gu, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Guan, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Gudkova, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hadjivasiliou, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Halder, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hartbrich, O.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hayasaka, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hayashii, H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hedges, M.T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hou, W.-S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Hsu, C.-L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Iijima, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Inami, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Inguglia, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ishikawa, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Itoh, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Iwasaki, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Iwasaki, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Jacobs, W.W.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Jang, E.-J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Jia, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Jin, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Joo, K.K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kahn, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kaliyar, A.B.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kang, K.H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Karyan, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kawasaki, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kichimi, H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kiesling, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kim, C.H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kim, D.Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kim, K.-H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kim, Y.-K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kodyš, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Konno, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Korobov, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Korpar, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kovalenko, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Križan, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kroeger, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Krokovny, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kuhr, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kumar, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kumara, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kuzmin, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Kwon, Y.-J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lai, Y.-T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lam, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lange, J.S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Laurenza, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lee, S.C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Li, C.H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Li, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Li, L.K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Li, Y.B.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Li Gioi, L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Libby, J.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Lieret, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Liventsev, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Martini, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Masuda, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Matsuda, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Matvienko, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Maurya, S.K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Meier, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Merola, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Metzner, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Miyabayashi, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Mizuk, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Mohanty, G.B.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Mussa, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nakao, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Natkaniec, Z.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Natochii, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nayak, L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Niiyama, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nisar, N.K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Nishida, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ogawa, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ogawa, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ono, H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Oskin, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Pakhlov, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Pakhlova, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Pang, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Pardi, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Park, H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Park, S.-H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Patra, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Paul, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Pedlar, T.K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Pestotnik, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Piilonen, L.E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Podobnik, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Popov, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Prencipe, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Prim, M.T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Röhrken, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Rostomyan, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Rout, N.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Russo, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sahoo, D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sandilya, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sangal, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Santelj, L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sanuki, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Savinov, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Schnell, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Seino, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Senyo, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sevior, M.E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Shapkin, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sharma, C.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Shiu, J.-G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Simon, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Singh, J.B.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sokolov, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Solovieva, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Stanič, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Starič, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Stottler, Z.S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sumihama, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sumiyoshi, T.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Takizawa, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Tamponi, U.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Tanida, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Tenchini, F.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Uchida, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Uno, K.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Uno, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Urquijo, P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Usov, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Van Tonder, R.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Varner, G.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Vinokurova, A.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Waheed, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Wang, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Wang, M.-Z.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Wang, X.L.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Watanabe, M.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Watanuki, S.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Won, E.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Xu, X.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Yabsley, B.D.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Yan, W.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Yang, S.B.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Ye, H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Yin, J.H.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Yuan, C.Z.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Zhai, Y.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Zhang, Z.P.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Zhilich, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Zhukova, V.
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

Belle Collaboration, Gao, X., Li, Y., Shen, C., Adachi, I., Aihara, H., et al. (2022). Search for tetraquark states $X_{cc\bar{s}\bar{s}}$ in $D_{s}^{+}D_{s}^{+}~(D_{s}^{*+}D_{s}^{*+})$ final states at Belle. Physical Review D, 105, 032002. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2022-45.

Cite as: https://hdl.handle.net/21.11116/0000-000C-B4E1-A

Abstract

A search for double-heavy tetraquark state candidates $X_{cc\bar{s}\bar{s}}$ decaying to $D_{s}^{+}D_{s}^{+}$ and $D_{s}^{*+} D_{s}^{*+}$ is presented for the first time using the data samples of 102 million $\Upsilon(1S)$ and 158 million $\Upsilon(2S)$ events, and the data samples at $\sqrt{s}$ = 10.52~GeV, 10.58~GeV, and 10.867~GeV corresponding to integrated luminosities of 89.5~fb$^{-1}$, 711.0~fb$^{-1}$, 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 $D_{s}^{+}D_{s}^{+}$ and $D_{s}^{*+} D_{s}^{*+}$ are studied to search for possible resonances. No significant signals are observed, and the 90\% confidence level upper limits on the product branching fractions [${\cal B}(\Upsilon(1S,2S) \to X_{cc\bar{s}\bar{s}} + anything) \times {\cal B}(X_{cc\bar{s}\bar{s}} \to D_{s}^{+}D_{s}^{+}(D_{s}^{*+} D_{s}^{*+}))$] in $\Upsilon(1S,2S)$ inclusive decays and the product values of Born cross section and branching fraction [$\sigma(e^+e^- \to X_{cc\bar{s}\bar{s}} + anything ) \times {\cal B}(X_{cc\bar{s}\bar{s}} \to D_{s}^{+}D_{s}^{+}(D_{s}^{*+} D_{s}^{*+}))$] in $e^+e^-$ collisions at $\sqrt{s}$ = 10.52~GeV, 10.58~GeV, and 10.867~GeV under different assumptions of $X_{cc\bar{s}\bar{s}}$ masses and widths are obtained.