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@ARTICLE{Abumusabh:646274,
author = {Abumusabh, M. and Adachi, I. and Adamczyk, K. 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 Anh Ky, N. and Antonioli, C.
and Asner, D. M. and Atmacan, H. and Aushev, T. and Ayad, R.
and Babu, V. and Bae, H. and Baghel, N. K. and Bahinipati,
S. and Bambade, P. and Banerjee, Sw. and Barrett, M. and
Bartl, M. and Baudot, J. 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 Bonvicini, G. and Borah, J. 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 Campajola, M. and Cao, L.
and Casarosa, G. and Cecchi, C. and Chang, P. 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 Chutia, S. and Cochran, J. 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 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 Dujany, G. and Ecker, P.
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 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 Glazov, A. and
Gobbo, B. and Godang, R. and Gogota, O. and Goldenzweig, P.
and Gradl, W. and Graf-Schreiber, M. and Graziani, E. and
Greenwald, D. and Guan, Y. and Gudkova, K. and Haide, I. and
Han, Y. 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 Huang, A. and Humair, T.
and Iijima, T. and Inami, K. 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 Jia, S. and Jin, Y.
and Johnson, A. and Kaleta, M. and Kaliyar, A. B. and
Kandra, J. and Kang, K. H. and Kang, S. and Karyan, G. and
Keil, F. and Ketter, C. and Khan, M. and Kiesling, C. and
Kim, D. Y. and Kim, J.-Y. and Kim, K.-H. 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 Kwon, Y.-J. and Lacaprara, S. 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,
W. Z. and Li, Y. and Li, Y. B. and Liao, Y. P. and Libby, J.
and Lin, J. and Lin, S. and Liptak, Z. and Liu, M. H. and
Liu, Q. Y. and Liu, Z. and Liventsev, D. and Longo, S. and
Lozar, A. 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 Marfoli, M. and
Marinas, C. and Martellini, C. and Martens, A. and Martinov,
T. and Massaccesi, L. and Masuda, M. 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
Miyabayashi, K. and Miyake, H. and Mizuk, R. and Mohanty, G.
B. and Moneta, S. and de Carvalho, A. L. Moreira and Moser,
H.-G. and Mrvar, M. 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 Neu, M.
and Nishida, S. and Nomaru, R. and Novosel, A. and Ogawa, S.
and Okubo, R. and Ono, H. and Otani, F. and Pakhlova, G. and
Panta, A. and Pardi, S. and Parham, K. and Park, J. and
Park, K. and Park, S.-H. and Passeri, A. and Patra, S. and
Paul, S. and Pedlar, T. K. and Pestotnik, R. and Piccolo, M.
and Piilonen, L. E. and Podesta-Lerma, P. L. M. and
Podobnik, T. and Praz, C. and Prell, S. and Prencipe, E. and
Prim, M. T. and Purwar, H. and Rados, P. and Raeuber, G. and
Raiz, S. and Ravindran, K. and Rehman, J. U. and Reif, M.
and Reiter, S. 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 Saha, S. and
Salutari, L. and Sanders, D. A. and Sandilya, S. and
Santelj, L. and Savinov, V. and Scavino, B. and Schmitt, C.
and Schneider, S. and Schnepf, M. and Schoenning, K. 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 Shi, X. D. and Shillington, T. and
Shimasaki, T. and Shiu, J.-G. and Shtol, D. 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 Špenko, K. and Spruck, B.
and Starič, M. and Stavroulakis, P. and Stefkova, S. and
Stroili, R. and Sumihama, M. and Sumisawa, K. and Svidras,
H. and Tackmann, K. 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 Tien
Manh, T. 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 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
Warburton, A. and Watanuki, S. and Wessel, C. and Won, E.
and Xu, X. P. and Yabsley, B. D. and Yan, W. 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 = {{M}easurement of inclusive ${B} \to {X}_u \ell ν$ partial
branching fractions and $|{V}_{ub}|$ at {B}elle {II}},
journal = {Physical review / D},
volume = {113},
number = {3},
issn = {2470-0010},
address = {Ridge, NY},
publisher = {American Physical Society},
reportid = {PUBDB-2026-00797, arXiv:2512.08056},
pages = {032004},
year = {2026},
abstract = {A sample of 365 fb$^{-1}$ of $e^+e^- \to Υ(4S) \to
B\bar{B}$ data collected by the Belle II experiment is used
to measure the partial branching fractions of charmless
semileptonic $B$ meson decays and determine the magnitude of
the Cabibbo-Kobayashi-Maskawa matrix element $V_{ub}$.
Events containing a signal electron or muon $\ell$ and a
fully reconstructed hadronic $B$ decay that constrains the
signal kinematics are selected, while the rest of the event
defines the hadronic system $X_u$ associated with the
signal. To discriminate the signal from the 50-times larger
background originating from CKM-favored semileptonic $B$
decays, a template fit is performed in both signal and
control regions after applying an optimized selection. The
partial branching fraction measured for lepton energies
greater than 1 GeV in the signal $B$ meson rest frame is
$Δ\mathcal{B}(B \to X_u \ell ν) = (1.54 \pm 0.08 \, {\rm
(stat.)} \pm 0.12 \, {\rm (syst.)}) \times 10^{-3}$. From
this measurement, using the Gambino, Giordano, Ossola,
Uraltsev theoretical framework, $|V_{ub}| = (4.01 \pm 0.19
^{+0.07} _{-0.08}) \times 10^{-3}$ is determined, where the
uncertainties are experimental and theoretical,
respectively. This value is consistent with the world
average obtained from previous inclusive measurements.
Different theoretical predictions and partial branching
fractions measured in other phase-space regions, defined by
additional selections on the $X_u$ and leptonic system
masses, are also used to determine $|V_{ub}|$.},
cin = {BELLE},
ddc = {530},
cid = {I:(DE-H253)BELLE-20210408},
pnm = {611 - Fundamental Particles and Forces (POF4-611) / FLAVOUR
- Towards the Construction of the Fundamental Theory of
Flavour (267104) / FAIME - Flavour Anomalies with advanced
particle Identification MEthods (884719) / 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)267104 /
G:(EU-Grant)884719 / G:(EU-Grant)101026516 /
G:(EU-Grant)822070},
experiment = {EXP:(DE-H253)BELLE-20150101},
typ = {PUB:(DE-HGF)16},
eprint = {2512.08056},
howpublished = {arXiv:2512.08056},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2512.08056;\%\%$},
doi = {10.1103/59ws-zxbt},
url = {https://bib-pubdb1.desy.de/record/646274},
}
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