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@ARTICLE{Adachi:641493,
author = {Adachi, I. and Aggarwal, L. and Ahmed, H. and Ahn, Y. and
Aihara, H. and Akopov, N. and Alghamdi, S. and Alhakami, M.
and Aloisio, A. and Althubiti, N. and Amos, K. and
Angelsmark, M. and Anh Ky, N. and Antonioli, C. and Asner,
D. M. and Atmacan, H. and Aushev, T. and Aushev, V. and
Aversano, M. and Ayad, R. and Babu, V. and Bae, H. and
Baghel, N. K. and Bahinipati, S. and Bambade, P. and
Banerjee, Sw. and Bansal, S. and Barrett, M. and Bartl, M.
and Baudot, J. and Baur, A. and Beaubien, A. and Becherer,
F. and Becker, J. and Bennett, J. V. and Bernlochner, F. U.
and Bertacchi, V. and Bertemes, M. and Bertholet, E. and
Bessner, M. and Bettarini, S. and Bhardwaj, V. and Bhuyan,
B. and Bianchi, F. and Bilka, T. and Biswas, D. and Bobrov,
A. and Bodrov, D. and Bondar, A. and Bonvicini, G. and
Boschetti, A. and Bozek, A. and Bračko, M. and Branchini,
P. and Briere, R. A. and Browder, T. E. and Budano, A. and
Bussino, S. and Campagna, Q. and Cao, L. and Casarosa, G.
and Cecchi, C. and Chang, M.-C. and Cheema, P. and Chen, L.
and Cheon, B. G. and Cheshta, C. and Chetri, H. and
Chilikin, K. and Chin, J. and Chirapatpimol, K. and Cho,
H.-E. and Cho, K. and Cho, S.-J. and Choi, S.-K. and
Choudhury, S. and Colorado-Caicedo, J. A. and Consigny, I.
and Corona, L. and Cui, J. X. and De La Cruz-Burelo, E. and
De La Motte, S. A. and de Marino, G. and De Nardo, G. and De
Pietro, G. and de Sangro, R. and Destefanis, M. and Dey, S.
and Di Canto, A. and Dingfelder, J. and Doležal, Z. and
Domínguez Jiménez, I. and Dong, T. V. and Dong, X. and
Dorigo, M. and Dugic, K. and Dujany, G. and Ecker, P. and
Epifanov, D. and Eppelt, J. and Farkas, R. and Feichtinger,
P. and Ferber, T. and Fillinger, T. and Finck, C. and
Finocchiaro, G. and Forti, F. and Frey, A. and Fulsom, B. G.
and Gabrielli, A. and Gale, A. and Ganiev, E. and
Garcia-Hernandez, M. and Garg, R. and Gaudino, G. and Gaur,
V. and Gautam, V. and Gaz, A. and Gellrich, A. and
Ghevondyan, G. and Ghosh, D. and Ghumaryan, H. and
Giakoustidis, G. and Giordano, R. and Giri, A. and Gironella
Gironell, P. and Gobbo, B. and Godang, R. and Gogota, O. and
Goldenzweig, P. and Gradl, W. and Graziani, E. and
Greenwald, D. and Guan, Y. and Gudkova, K. and Haide, I. and
Han, Y. and Harris, C. and Hayashii, H. and Hazra, S. and
Hearty, C. and Hedges, M. T. and Heidelbach, A. and Heine,
G. and de la Cruz, I. Heredia and Hernández Villanueva, M.
and Higuchi, T. and Hoek, M. and Hohmann, M. and Hoppe, R.
and Horak, P. and Hou, X. T. and Hsu, C.-L. and Humair, T.
and Iijima, T. and Inami, K. and Inguglia, G. and Ipsita, N.
and Ishikawa, A. and Itoh, R. and Iwasaki, M. and Jackson,
P. and Jacobi, D. and Jacobs, W. W. and Jang, E.-J. and Ji,
Q. P. and Jia, S. and Jin, Y. and Johnson, A. and Joo, K. K.
and Kandra, J. and Kang, K. H. and Karyan, G. and Kawasaki,
T. and Keil, F. and Ketter, C. and Kiesling, C. and Kim,
C.-H. and Kim, D. Y. and Kim, J.-Y. and Kim, K.-H. and Kim,
Y.-K. and Kindo, H. and Kinoshita, K. and Kodyš, P. and
Koga, T. and Kohani, S. and Kojima, K. and Korobov, A. and
Korpar, S. and Kovalenko, E. and Kowalewski, R. and Križan,
P. and Krokovny, P. and Kuhr, T. and Kulii, Y. and Kumar, D.
and Kumara, K. and Kunigo, T. and Kuzmin, A. and Kwon, Y.-J.
and Lacaprara, S. and Lalwani, K. and Lam, T. and Lanceri,
L. and Lange, J. S. and Lau, T. S. and Laurenza, M. and
Leboucher, R. and Le Diberder, F. R. and Lee, H. and Lee, M.
J. and Lemettais, C. and Leo, P. and Lewis, P. M. and Li, C.
and Li, H.-J. and Li, L. K. and Li, Q. M. and Li, S. X. and
Li, W. Z. and Li, Y. and Li, Y. B. and Liao, Y. P. and
Libby, J. and Lin, J. and Liu, M. H. and Liu, Q. Y. and Liu,
Z. and Liventsev, D. and Longo, S. and Lueck, T. and Lyu, C.
and Ma, J. L. and Ma, Y. and Maggiora, M. and Maharana, S.
P. and Maiti, R. and Mancinelli, G. and Manfredi, R. and
Manoni, E. and Mantovano, M. and Marcantonio, D. and
Marcello, S. and Marinas, C. and Martellini, C. and Martens,
A. and Martinov, T. and Massaccesi, L. and Masuda, M. and
Matsuda, T. and Matvienko, D. and Maurya, S. K. and
Maushart, M. and McKenna, J. A. and Gruberová, Z. Mediankin
and Mehta, R. and Meier, F. and Meleshko, D. and Merola, M.
and Miller, C. and Mirra, M. and Mitra, S. and Miyabayashi,
K. and Miyake, H. and Mizuk, R. and Mohanty, G. B. and
Mondal, S. and Moneta, S. and de Carvalho, A. L. Moreira and
Moser, H.-G. and Murakami, H. and Mussa, R. and Nakamura, I.
and Nakao, M. and Nakazawa, Y. and Naruki, M. and Natkaniec,
Z. and Natochii, A. and Nayak, M. and Nazaryan, G. and Neu,
M. and Nishida, S. and Nomaru, R. and Ogawa, S. and Okubo,
R. and Ono, H. and Onuki, Y. and Pakhlova, G. and Panta, A.
and Pardi, S. and Parham, K. and Park, H. and Park, J. and
Park, S.-H. and Paschen, B. and Passeri, A. and Patra, S.
and Paul, S. and Pedlar, T. K. and Peruzzi, I. and
Pestotnik, R. and Piccolo, M. and Piilonen, L. E. and
Podesta-Lerma, P. L. M. and Podobnik, T. and Prakash, A. and
Praz, C. and Prell, S. and Prencipe, E. and Prim, M. T. and
Privalov, S. and Prudiiev, I. and Purwar, H. and Rados, P.
and Raeuber, G. and Raiz, S. and Raj, V. and Ravindran, K.
and Rehman, J. U. and Reif, M. and Reiter, S. and Remnev, M.
and Reuter, L. and Ricalde Herrmann, D. and Ripp-Baudot, I.
and Rizzo, G. and Robertson, S. H. and Roney, J. M. and
Rostomyan, A. and Rout, N. and Salutari, L. and Sanders, D.
A. and Sandilya, S. and Santelj, L. and Santos, C. and
Savinov, V. and Scavino, B. and Schnepf, M. and Schwanda, C.
and Seino, Y. and Selce, A. and Senyo, K. and Serrano, J.
and Sevior, M. E. and Sfienti, C. and Shan, W. and Sharma,
G. and Shen, C. P. and Shi, X. D. and Shillington, T. and
Shimasaki, T. and Shiu, J.-G. and Shtol, D. and Shwartz, B.
and Sibidanov, A. and Simon, F. and Singh, J. B. and
Skorupa, J. and Sobie, R. J. and Sobotzik, M. and Soffer, A.
and Sokolov, A. and Solovieva, E. and Spataro, S. and
Spruck, B. and Starič, M. and Stavroulakis, P. and
Stefkova, S. and Stoetzer, L. and Stroili, R. and Sumihama,
M. and Suwonjandee, N. and Svidras, H. and Takahashi, M. and
Takizawa, M. and Tamponi, U. and Tanaka, S. and Tang, S. S.
and Tanida, K. and Tenchini, F. and Testa, F. and Thaller,
A. and Manh, T. Tien and Tittel, O. and Tiwary, R. and
Torassa, E. and Trabelsi, K. and Trantou, F. F. and
Tsaklidis, I. and Uchida, M. and Ueda, I. and Uglov, T. and
Unger, K. and Unno, Y. and Uno, K. and Uno, S. and Urquijo,
P. and Ushiroda, Y. and Vahsen, S. E. and van Tonder, R. and
Varvell, K. E. and Veronesi, M. and Vismaya, V. S. and
Vitale, L. and Vobbilisetti, V. and Volpe, R. and Wakai, M.
and Wallner, S. and Wang, M.-Z. and Wang, X. L. and Wang, Z.
and Warburton, A. and Watanuki, S. and Wessel, C. and Won,
E. and Xu, X. P. and Yabsley, B. D. and Yamada, S. and Yan,
W. and Yang, S. B. and Yelton, J. and Yi, K. and Yin, J. H.
and Yoshihara, K. and Yuan, C. Z. and Yuan, J. and Yusa, Y.
and Zani, L. and Zeng, F. and Zeyrek, M. and Zhang, B. and
Zhilich, V. and Zhou, J. S. and Zhou, Q. D. and Zhu, L. and
Žlebčík, R.},
collaboration = {Belle-{II Collaboration}},
title = {{O}bservation of $e^+e^-\to \eta \Upsilon(2{S})$ and search
for $e^+e^-\to \eta \Upsilon(1{S}), \gamma {X}_b$ at
$\sqrt{s}$ near 10.75 {G}e{V}},
reportid = {PUBDB-2025-05070, arXiv:2509.01917. Belle II Preprint
2025-023. KEK Preprint 2025-24},
year = {2025},
abstract = {We present an analysis of the processes
$e^{+}e^{-}\toηΥ(1S)$, $ηΥ(2S)$, and $γX_b$ with
$X_b\toπ^+π^-χ_{bJ},~χ_{bJ}\toγΥ(1S)$ $(J=1,~2)$
reconstructed from $γγπ^+π^-\ell^+\ell^-~(\ell=e,~μ)$
final states in $19.6~{\rm fb^{-1}}$ of Belle II data
collected at four energy points near the peak of the
$Υ(10753)$ resonance. Here, $X_b$ is a hypothetical
bottomonium-sector partner of the $X(3872)$. A signal of
$e^{+}e^{-}\toηΥ(2S)$ is observed with a significance
greater than $6.0σ$. The central value of the Born cross
section at 10.653 GeV is measured to be higher than that at
10.745 GeV, and we find evidence for a possible new state
near $B^{*}\bar B^{*}$ threshold, with a significance of
$3.2σ$. No significant signal is observed for
$e^{+}e^{-}\toηΥ(1S)$ or $γX_b$. Upper limits on the Born
cross sections for the processes $e^{+}e^{-}\toηΥ(1S)$ and
$e^{+}e^{-}\toγX_b$ with $X_b\toπ^+π^-χ_{bJ}$ are
determined.},
cin = {BELLE},
cid = {I:(DE-H253)BELLE-20210408},
pnm = {611 - Fundamental Particles and Forces (POF4-611) /
InterLeptons - A search for new interactions at Belle II
using leptons (947006) / FLAVOUR - Towards the Construction
of the Fundamental Theory of Flavour (267104) / FAIME -
Flavour Anomalies with advanced particle Identification
MEthods (884719) / NIOBE - Non-Leptonic Three-Body B Decays:
Theory and Phenomenology (700525) / TAULEPGAMMA - Search for
the Lepton Flavour Violating Decay Tau to Lepton + Gamma at
the Belle II Experiment (101026516) / JENNIFER2 - Japan and
Europe Network for Neutrino and Intensity Frontier
Experimental Research 2 (822070)},
pid = {G:(DE-HGF)POF4-611 / G:(EU-Grant)947006 /
G:(EU-Grant)267104 / G:(EU-Grant)884719 / G:(EU-Grant)700525
/ G:(EU-Grant)101026516 / G:(EU-Grant)822070},
experiment = {EXP:(DE-H253)BELLE-20150101},
typ = {PUB:(DE-HGF)25},
eprint = {2509.01917},
howpublished = {arXiv:2509.01917},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2509.01917;\%\%$},
doi = {10.3204/PUBDB-2025-05070},
url = {https://bib-pubdb1.desy.de/record/641493},
}
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