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. 2025 Jul 25;135(4):041901.
doi: 10.1103/pf8m-6j69.

Search for P_{cc[over ¯]s}(4459)^{0} and P_{cc[over ¯]s}(4338)^{0} in ϒ(1S,2S) Inclusive Decays at Belle

I Adachi, L Aggarwal, H Ahmed, J K Ahn, H Aihara, N Akopov, M Alhakami, A Aloisio, N Althubiti, D M Asner, H Atmacan, V Aushev, M Aversano, R Ayad, V Babu, H Bae, N K Baghel, S Bahinipati, P Bambade, Sw Banerjee, S Bansal, M Barrett, M Bartl, J Baudot, A Baur, A Beaubien, F Becherer, J Becker, J V Bennett, F U Bernlochner, V Bertacchi, M Bertemes, E Bertholet, M Bessner, S Bettarini, V Bhardwaj, B Bhuyan, F Bianchi, D Biswas, D Bodrov, A Bolz, A Boschetti, A Bozek, M Bračko, P Branchini, R A Briere, T E Browder, A Budano, S Bussino, Q Campagna, M Campajola, L Cao, G Casarosa, C Cecchi, J Cerasoli, M-C Chang, P Chang, R Cheaib, P Cheema, B G Cheon, K Chilikin, K Chirapatpimol, H-E Cho, K Cho, S-J Cho, S-K Choi, S Choudhury, J Cochran, L Corona, J X Cui, E De La Cruz-Burelo, S A De La Motte, G De Nardo, G De Pietro, R de Sangro, M Destefanis, S Dey, R Dhamija, F Di Capua, J Dingfelder, Z Doležal, I Domínguez Jiménez, T V Dong, X Dong, D Dossett, K Dugic, G Dujany, P Ecker, J Eppelt, P Feichtinger, T Ferber, T Fillinger, C Finck, G Finocchiaro, F Forti, B G Fulsom, A Gabrielli, E Ganiev, M Garcia-Hernandez, G Gaudino, V Gaur, A Gellrich, G Ghevondyan, D Ghosh, H Ghumaryan, G Giakoustidis, R Giordano, A Giri, P Gironella Gironell, A Glazov, B Gobbo, R Godang, P Goldenzweig, E Graziani, D Greenwald, Z Gruberová, Y Guan, K Gudkova, I Haide, Y Han, C Harris, K Hayasaka, H Hayashii, S Hazra, C Hearty, M T Hedges, A Heidelbach, I Heredia de la Cruz, M Hernández Villanueva, T Higuchi, M Hoek, M Hohmann, R Hoppe, P Horak, C-L Hsu, T Humair, T Iijima, K Inami, N Ipsita, A Ishikawa, R Itoh, M Iwasaki, P Jackson, D Jacobi, W W Jacobs, E-J Jang, Q P Ji, S Jia, Y Jin, A Johnson, K K Joo, H Junkerkalefeld, M Kaleta, J Kandra, K H Kang, S Kang, G Karyan, T Kawasaki, F Keil, C Ketter, C Kiesling, C-H Kim, D Y Kim, J-Y Kim, K-H Kim, Y-K Kim, H Kindo, K Kinoshita, P Kodyš, T Koga, S Kohani, K Kojima, A Korobov, S Korpar, E Kovalenko, P Križan, P Krokovny, T Kuhr, Y Kulii, D Kumar, R Kumar, K Kumara, T Kunigo, A Kuzmin, Y-J Kwon, S Lacaprara, K Lalwani, T Lam, J S Lange, T S Lau, M Laurenza, R Leboucher, F R Le Diberder, M J Lee, C Lemettais, P Leo, P M Lewis, C Li, L K Li, Q M Li, W Z Li, Y Li, Y B Li, Y P Liao, J Libby, J Lin, M H Liu, Q Y Liu, Y Liu, Z Q Liu, D Liventsev, S Longo, C Lyu, Y Ma, C Madaan, M Maggiora, S P Maharana, R Maiti, G Mancinelli, R Manfredi, E Manoni, M Mantovano, D Marcantonio, S Marcello, C Marinas, C Martellini, A Martens, A Martini, T Martinov, L Massaccesi, M Masuda, D Matvienko, S K Maurya, M Maushart, J A McKenna, R Mehta, F Meier, D Meleshko, M Merola, C Miller, M Mirra, S Mitra, K Miyabayashi, H Miyake, R Mizuk, G B Mohanty, S Mondal, S Moneta, H-G Moser, R Mussa, I Nakamura, M Nakao, H Nakazawa, Y Nakazawa, M Naruki, Z Natkaniec, A Natochii, M Nayak, G Nazaryan, M Neu, S Nishida, S Ogawa, H Ono, Y Onuki, F Otani, G Pakhlova, S Pardi, K Parham, H Park, J Park, K Park, S-H Park, B Paschen, S Patra, T K Pedlar, I Peruzzi, R Peschke, R Pestotnik, M Piccolo, L E Piilonen, P L M Podesta-Lerma, T Podobnik, S Pokharel, C Praz, S Prell, E Prencipe, M T Prim, H Purwar, P Rados, G Raeuber, S Raiz, N Rauls, K Ravindran, M Reif, S Reiter, M Remnev, L Reuter, D Ricalde Herrmann, I Ripp-Baudot, G Rizzo, M Roehrken, J M Roney, A Rostomyan, N Rout, D A Sanders, S Sandilya, L Santelj, V Savinov, B Scavino, J Schmitz, S Schneider, G Schnell, C Schwanda, Y Seino, A Selce, K Senyo, J Serrano, M E Sevior, C Sfienti, W Shan, C Sharma, X D Shi, T Shillington, T Shimasaki, J-G Shiu, D Shtol, A Sibidanov, F Simon, J B Singh, J Skorupa, M Sobotzik, A Soffer, A Sokolov, E Solovieva, S Spataro, B Spruck, W Song, M Starič, P Stavroulakis, S Stefkova, R Stroili, J Strube, Y Sue, M Sumihama, K Sumisawa, W Sutcliffe, N Suwonjandee, H Svidras, M Takahashi, M Takizawa, U Tamponi, K Tanida, F Tenchini, A Thaller, O Tittel, R Tiwary, E Torassa, K Trabelsi, I Tsaklidis, M Uchida, I Ueda, K Unger, Y Unno, K Uno, S Uno, J Ur Rehman, P Urquijo, Y Ushiroda, S E Vahsen, R van Tonder, M Veronesi, A Vinokurova, V S Vismaya, L Vitale, V Vobbilisetti, R Volpe, A Vossen, M Wakai, S Wallner, M-Z Wang, X L Wang, Z Wang, A Warburton, M Watanabe, S Watanuki, C Wessel, E Won, X P Xu, B D Yabsley, S Yamada, S B Yang, J Yelton, J H Yin, K Yoshihara, C Z Yuan, J Yuan, L Zani, F Zeng, B Zhang, J S Zhou, Q D Zhou, L Zhu, V I Zhukova, R Žlebčík, S Zou; Belle and Belle II Collaborations

Search for P_{cc[over ¯]s}(4459)^{0} and P_{cc[over ¯]s}(4338)^{0} in ϒ(1S,2S) Inclusive Decays at Belle

I Adachi et al. Phys Rev Lett. .

Abstract

Using data samples of 102 million ϒ(1S) events and 158 million ϒ(2S) events collected by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider, we search for [udscc[over ¯]] pentaquark states decaying to J/ψΛ. Using the first observations of ϒ(1S,2S) inclusive decays to J/ψΛ, we find evidence of the P_{cc[over ¯]s}(4459)^{0} state with a local significance of 3.3 standard deviations, including statistical and systematic uncertainties. We measure the mass and width of the P_{cc[over ¯]s}(4459)^{0} to be (4471.7±4.8±0.6) MeV/c^{2} and (22±13±3) MeV, respectively. The branching fractions for P_{cc[over ¯]s}(4459)^{0} production are measured to be B[ϒ(1S)→P_{cc[over ¯]s}(4459)^{0}/P[over ¯]_{cc[over ¯]s}(4459)^{0}+anything]=(3.5±2.0±0.2)×10^{-6} and B[ϒ(2S)→P_{cc[over ¯]s}(4459)^{0}/P[over ¯]_{cc[over ¯]s}(4459)^{0}+anything]=(2.9±1.7±0.4)×10^{-6}. The inclusive branching fractions of ϒ(1S,2S)→J/ψΛ/Λ[over ¯] are measured to be B[ϒ(1S)→J/ψΛ/Λ[over ¯]+anything]=(36.9±5.3±2.4)×10^{-6} and B[ϒ(2S)→J/ψΛ/Λ[over ¯]+anything]=(22.3±5.7±3.1)×10^{-6}. We measure the visible cross section σ(e^{+}e^{-}→J/ψΛ/Λ[over ¯]+anything)=(90±14±6) fb for the continuum production at sqrt[s]=10.52 GeV. In all cases, the first uncertainties are statistical and the second are systematic.

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