Study of $e^+e^- \to π^+π^-Υ(1D)$ at Belle II

The bottomonium spectrum, consisting of bound states of a $b$ quark and an anti-$b$ quark, provides an excellent laboratory for probing quantum chromodynamics in the non-perturbative regime. While $S$ and $P$-wave bottomonium states are well studied experimentally, information on $D$-wave states remains scarce. We search for $D$-wave bottomonium state via the decay of a vector bottomonium-like state $Υ(10753)$ in the reaction $e^+e^- \to π^+π^- Υ(1D)$, using $19.6~\mathrm{fb}^{-1}$ of data collected with the Belle II detector at center-of-mass energies $\sqrt{s} = 10.653, 10.701, 10.745$, and $10.805$~GeV, in the vicinity of the $Υ(10753)$ resonance. No significant signals are observed. Upper limits at the 90% credibility level are set on the products of the cross sections and branching fractions, $σ[e^+e^- \to π^+π^- Υ_2(1D)] \times \mathcal{B}[Υ_2(1D) \to γχ_{b1}]$ and $σ[e^+e^- \to π^+π^- Υ_3(1D)] \times \mathcal{B}[Υ_3(1D) \to γχ_{b2}]$, at each center-of-mass energy.

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Desy publication database (The Deutsches Elektronen-Synchrotron)
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2026-01-01
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Quantum Chromodynamics and Particle Interactions
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article

Study of $e^+e^- \to π^+π^-Υ(1D)$ at Belle II

D. Matvienko, K. Chilikin, T. Shimasaki, X. P. Xu et al.
Desy publication database (The Deutsches Elektronen-Synchrotron)
Quantum Chromodynamics and Particle Interactions
article

Study of $e^+e^- \to π^+π^-Υ(1D)$ at Belle II

D. Matvienko, K. Chilikin, T. Shimasaki, X. P. Xu, O. Tittel, M. J. Lee, A. Kuzmin, G. De Pietro, J. Baudot, M. Takizawa, I. Nakamura, T. Shillington, L. Aggarwal, Z. Liptak, M. E. Sevior, F. R. Le Diberder, D. Marcantonio, W. Z. Li, A. Novosel, D. Greenwald, S. K. Maurya, F. Meier, S. E. Vahsen, M. Bračko, A. Thaller, W. C. Yan, S. Patra, K. Trabelsi, C. Lyu, S. Spataro, W. Gradl, T. Koga, M. Veronesi, E. Won, S. Reiter, H.-J. Li, J. Strube, D. Liventsev, E. Kovalenko, H. Bae, V. S. Vismaya, A. Gabrielli, J. H. Yin, D. Shtol, A. Frey, E. Ganiev, M. Mantovano, J. Libby, A. Aloisio, Y. P. Liao, X. D. Shi, P. Gironella Gironell, M. Wakai, M. H. Liu, S. P. Maharana, R. Žlebčík, S. Bettarini, K. Ravindran, R. van Tonder, F. Otani, P. L. M. Podesta-Lerma, S. Bussino, Z. Natkaniec, S.-K. Choi, M. Bartl, J. Serrano, D. Ricalde Herrmann, Y. Yusa, A. I. Bobrov, H. Aihara, M. Marfoli, T. Bilka, K. Parham, M. Barrett, P. Jackson, S. Korpar, I. Tsaklidis, A. Gellrich, A. Rostomyan, M. Merola, B. Spruck, K. Unger, I. Consigny, I. Ripp-Baudot, N. Suwonjandee, Q. M. Li, A. Di Canto, I. Prudiiev, G. B. Mohanty, S. Saha, M. Destefanis, J. Borah, R. Okubo, G. Dujany, S. Dey, Y. Jin, A. Johnson, D. Biswas, V. Vobbilisetti, R. Itoh, R. Garg, J. Park, S. Schneider, H. Chetri, D. Bodrov, Y. Seino, M. Masuda, T. Ferber, A. Gaz, E. De La Cruz-Burelo, C. P. Shen, C. Miller, A. Beaubien, N. Anh Ky, D. A. Sanders, N. Althubiti, Y. Han, R. Giordano, A. Lozar, M. Mirra, Y. Kulii, M. Piccolo, F. Becherer, C. Marinas, M. Iwasaki, Y. Guan, B. Zhang, P. Horak, S. Alghamdi, Sw. Banerjee, G. Ghevondyan, E. Graziani, L. Santelj, L. Corona, C. Antonioli, L. Chen, S. Hazra, Q. Campagna, J. M. Roney, P. Branchini, K. E. Varvell, C. Finck, A. Soffer, D. Y. Kim, E. Solovieva, S. A. De La Motte, R. Mizuk, J. A. Colorado-Caicedo, S. Pardi, R. Mehta, S. Wallner, M. Sobotzik, P. Križan, P. Kodyš, J. Yelton, M. Sumihama, M. Nakao, M. Zeyrek, G. Finocchiaro, F. Zeng, M. Maggiora, G. Heine, Belle-II Collaboration, L. Vitale, B. G. Cheon, M. Reif, L. Massaccesi, H. Ahmed, K. Kinoshita, M. Niiyama, C. Ketter, Y. Ahn, B. Scavino, A. Heidelbach, R. Dhayal, A. Sibidanov, T. Lueck, A. Bozek, Z. Q. Liu, K. Uno, C. Santos, S. Marcello, S. Chutia, A. Giri, F. Tenchini, P. Ecker, M. Alhakami, A. Natochii, A. T. Prakash, S. H. Robertson, H. Ono, K. Amos, R. Maiti, T. K. Pedlar, T. Aushev, K.-H. Kim, S.-J. Cho, S. Uno, J. S. Lange, E. Bertholet, L. Salutari, S. Nishida, H. Purwar, F. Forti, K. Špenko, Q. P. Ji, R. Sathish Kumar, T. Iijima, Z. Mediankin Gruberová, F. Bianchi, J. L. Ma, D. Jacobi, I. Haide, M. Starič, Y. Ma, B. D. Yabsley, A. Warburton, M. Hoek, Q. Y. Liu, M. Nayak, T. V. Dong, A. Bondar, J. Lin, W. Shan, M. Maushart, P. Leo, M. V. Purohit, J. Skorupa, K. Miyabayashi, C. Sfienti, F. Mawas, J. Eppelt, L. Zani, S. Prell, R. Leboucher, M. Dorigo, F. F. Trantou, D. Epifanov, V. Savinov, J. Kandra, G. De Nardo, A. Panta, V. Bertacchi, C. Cheshta, R. J. Sobie, G. Karyan, S. Stefkova, L. K. Li, G. Rizzo, K. Schoenning, R. Tiwary, T. E. Browder, S. Jia, R. Farkas, P. Krokovny, K. Yoshihara, H.-G. Moser, M. Watanabe, N. Rout, G. Bonvicini, Y. Ushiroda, P. Stavroulakis, K. Tanida, S. Kohani, Y. Xie, C. Lemettais, T. Fillinger, X. Dong, J. S. Zhou, I. Domínguez Jiménez, E. Manoni, C. Wessel, A. Budano, R. Kowalewski, J. P. Yuan, J. Dingfelder, S. Bahinipati, Z. Doležal, V. Babu, Y. B. Li, K. Yi, F. U. Bernlochner, E.-J. Jang, A. Korobov, J. Becker, T. Martinov, A. Boschetti, A. Baur, F. Keil, R. Hoppe, Y.-J. Kwon, C. Hearty, A. Sokolov, R. Nomaru, T. Lam, F. Simon, A. Ishikawa, R. A. Briere, S. Watanuki, S. Moneta, M.-C. Chang, I. Heredia de la Cruz, C. Praz, T. Higuchi, C. Schwanda, S. Kurokawa, K. Inami, H. Hayashii, M. Campajola, Y. T. Liu, Q. D. Zhou, R. Godang, B. G. Fulsom, S. Choudhury, I. Ueda, R. Mussa, J. A. McKenna, E. Prencipe, M. Bertemes, S. Lacaprara, S. Privalov, P. Pakhlov, M. T. Prim, R. Ayad, N. Sushree Ipsita, J. Cochran, P. Bambade, E. Torassa, R. Stroili, H. Atmacan, T. Kuhr, M. Hernández Villanueva, R. Pestotnik, K. Senyo, H. Lee, C. Kiesling, M. Abumusabh, M. Naruki, R. de Sangro, L. E. Piilonen, K. Dugic, C. Cecchi, A. Passeri, B. Gobbo, K. H. Kang, J. X. Cui, D. Ghosh, A. Gale, W. W. Jacobs, P. Cheema, S. X. Li, N. K. Baghel, T. Humair, Y. Unno, T. S. Lau, V. Gautam, J. U. Rehman, K. Park, G. Mancinelli, G. Pakhlova, K. Gudkova, J.-Y. Kim, M. Angelsmark, F. Testa, H. Jin Kim, Th. Müller, M. Bessner, T. Tien Manh, D Suresh Kumar, P. Feichtinger, H. Nakazawa, M.-Z. Wang, C.-L. Hsu, S.-H. Park, M. Neu, S. Sandilya, T. Podobnik, I. Adachi, S. Ogawa, M. Hohmann, J. V. Bennett, G. Gaudino, R. Volpe, H. Miyake, Y. Nakazawa, K. Chirapatpimol, L. Reuter, H. Ghumaryan, J.-G. Shiu, K. Kumara, C. Martellini, V. Gaur, M. Laurenza, S. Longo, A. Aggarwal, S. Prince Makarios Paul, H.-E. Cho, A. Martens, R. Manfredi, L. Z. Zhu, S. Raiz, G. Casarosa, K. Cho, D. Meleshko, D. M. Asner, V. Zhilich
article en

Abstract

The bottomonium spectrum, consisting of bound states of a $b$ quark and an anti-$b$ quark, provides an excellent laboratory for probing quantum chromodynamics in the non-perturbative regime. While $S$ and $P$-wave bottomonium states are well studied experimentally, information on $D$-wave states remains scarce. We search for $D$-wave bottomonium state via the decay of a vector bottomonium-like state $Υ(10753)$ in the reaction $e^+e^- \to π^+π^- Υ(1D)$, using $19.6~\mathrm{fb}^{-1}$ of data collected with the Belle II detector at center-of-mass energies $\sqrt{s} = 10.653, 10.701, 10.745$, and $10.805$~GeV, in the vicinity of the $Υ(10753)$ resonance. No significant signals are observed. Upper limits at the 90% credibility level are set on the products of the cross sections and branching fractions, $σ[e^+e^- \to π^+π^- Υ_2(1D)] \times \mathcal{B}[Υ_2(1D) \to γχ_{b1}]$ and $σ[e^+e^- \to π^+π^- Υ_3(1D)] \times \mathcal{B}[Υ_3(1D) \to γχ_{b2}]$, at each center-of-mass energy.

Desy publication database (The Deutsches Elektronen-Synchrotron)
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Quantum Chromodynamics and Particle Interactions
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