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Warburton, B. Bhuyan, B. D. Yabsley, Belle II Collaboration: I. Adachi, B. G. Cheon, B. G. Fulsom, B. Gobbo, B. Paschen, B. Scavino, B. Spruck, B. Wach, B. Zhang, C. Cecchi, C. Hearty, C.-H. Kim, C. Kiesling, C.-L. Hsu, C. Lyu, C. Marinas, C. Martellini, C. Miller, C. Niebuhr, C. Praz, C. P. Shen, C. Schmitt, C. Schwanda, C. Sfienti, C. Wessel, C. Z. Yuan, D. A. Sanders, D. Biswas, D. Bodrov, D. E. Jaffe, D. Epifanov, D. Ferlewicz, D. Ghosh, D. Greenwald, D. Kalita, D. Levit, D. Liventsev, D. Marcantonio, D. M. Asner, D. Matvienko, D. Narwal, D. Shtol, D. Tonelli, D. Y. Kim, E. Bertholet, E. De La Cruz-Burelo, E. Ganiev, E. Graziani, E.-J. Jang, E. Kovalenko, E. Manoni, E. Prencipe, E. Solovieva, E. Torassa, E. Won, F. Becherer, F. Bianchi, F. Dattola, F. Di Capua, F. Forti, F. Keil, F. Meier, F. Metzner, F. Otani, F. R. Le Diberder, F. Simon, F. Tenchini, F. U. Bernlochner, G. B. Mohanty, G. Casarosa, G. de Marino, G. De Nardo, G. De Pietro, G. Dujany, G. Finocchiaro, G. Gaudino, G. 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Kowalewski, R. Leboucher, R. Maiti, R. Manfredi, R. Mehta, R. Mizuk, R. Mussa, R. Peschke, R. Pestotnik, R. Stroili, R. Tiwary, R. van Tonder, R. Volpe, S. A. De La Motte, S. Bahinipati, S. Bansal, S. Bettarini, S. Bilokin, S. Bussino, S. B. Yang, S. Choudhury, S. Dreyer, S. Dubey, S. E. Vahsen, S. Granderath, S. Halder, S. Hazra, S.-H. Park, S. H. Robertson, S.-J. Cho, S. Jia, S.-K. Choi, S. K. Maurya, S. Kohani, S. Korpar, S. Lacaprara, S. Longo, S. Maity, S. Marcello, S. Mondal, S. Moneta, S. Nishida, S. Ogawa, S. Pardi, S. Patra, S. Paul, S. P. Maharana, S. Pokharel, S. Prell, S. Raiz, S. Reiter, S. Sandilya, S. Spataro, S. Stefkova, S. Tanaka, S. Uno, S. Wallner, S. Watanuki, Sw. Banerjee, S. Yamada, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. Fillinger, T. Grammatico, T. Gu, T. Hara, T. Higuchi, T. Humair, T. Iijima, T. Kawasaki, T. Koga, T. K. Pedlar, T. Kuhr, T. Kunigo, T. Lam, T. Lueck, T. Luo, T. Martinov, T. Matsuda, T. M. G. Kraetzschmar, T. Podobnik, T. Shillington, T. Shimasaki, T. Uglov, T. V. Dong, U. Tamponi, V. Aushev, V. Babu, V. Bertacchi, V. Gaur, V. I. Zhukova, V. Savinov, V. S. Vismaya, V. Zhilich, W. Gradl, W. Shan, W. W. Jacobs, X. D. Shi, X. L. Wang, X. P. Xu, X. Y. Zhou, Y. B. Li, Y. Han, Y. Jin, Y.-J. Kwon, Y.-K. Kim, Y. Kulii, Y. Li, Y. Ma, Y. Nakazawa, Y. Onuki, Y. Sakai, Y. Sato, Y. Seino, Y. Uematsu, Y. Unno, Y. Ushiroda, Y. Zhang, Z. Dole\\v{z}al, Z. Gruberov\\'a, Z. Natkaniec, Z. Q. Liu, Z. Wang","submitted_at":"2023-11-13T11:30:04Z","abstract_excerpt":"We measure the tau-to-light-lepton ratio of inclusive $B$-meson branching fractions $R(X_{\\tau/\\ell}) \\equiv \\mathcal{B}(B\\to X \\tau \\nu)/\\mathcal{B}(B \\to X \\ell \\nu)$, where $\\ell$ indicates an electron or muon, and thereby test the universality of charged-current weak interactions. We select events that have one fully reconstructed $B$ meson and a charged lepton candidate from $189~\\mathrm{fb}^{-1}$ of electron-positron collision data collected with the Belle II detector. We find $R(X_{\\tau/\\ell}) = 0.228 \\pm 0.016~(\\mathrm{stat}) \\pm 0.036~(\\mathrm{syst})$, in agreement with standard-model"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2311.07248","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2023-11-13T11:30:04Z","cross_cats_sorted":[],"title_canon_sha256":"7195099a89bcaca3164372531e6bc2be9c3d013d0173f727d5bb4dc331cbc4f0","abstract_canon_sha256":"44b1bb6e36e39ea1748962414d79a47f8e30f5c6af2b2b534f784c94a1f7a287"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:24:39.859628Z","signature_b64":"NN7w9aZAckveSEPiITxwkqKcz7W09xWUFv+dsLGgfsXs3o3SYMI3wDdAW5KgCICgWLQVbYnzKL9j4Fc0XpziCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e71ff0d8cef970212df0f6ed4bda49a27b00d2ec8435961ea2ba4bd148d7eca","last_reissued_at":"2026-07-05T08:24:39.859133Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:24:39.859133Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First Measurement of $R(X_{\\tau/\\ell})$ as an Inclusive Test of the $b \\to c \\tau \\nu$ Anomaly","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Aloisio, A. Baur, A. Beaubien, A. B. Kaliyar, A. Bobrov, A. Bolz, A. Bondar, A. Bozek, A. Budano, A. C. Manthei, A. Di Canto, A. Fodor, A. Frey, A. Gaz, A. Gellrich, A. Giri, A. Heidelbach, A. Ishikawa, A. Korobov, A. Kuzmin, A. Narimani Charan, A. Natochii, A. Panta, A. Passeri, A. Rostomyan, A. Selce, A. Sibidanov, A. Soffer, A. Sokolov, A. Vinokurova, A. Warburton, B. Bhuyan, B. D. Yabsley, Belle II Collaboration: I. Adachi, B. G. Cheon, B. G. Fulsom, B. Gobbo, B. Paschen, B. Scavino, B. Spruck, B. Wach, B. Zhang, C. Cecchi, C. Hearty, C.-H. Kim, C. Kiesling, C.-L. Hsu, C. Lyu, C. Marinas, C. Martellini, C. Miller, C. Niebuhr, C. Praz, C. P. Shen, C. Schmitt, C. Schwanda, C. Sfienti, C. Wessel, C. Z. Yuan, D. A. Sanders, D. Biswas, D. Bodrov, D. E. Jaffe, D. Epifanov, D. Ferlewicz, D. Ghosh, D. Greenwald, D. Kalita, D. Levit, D. Liventsev, D. Marcantonio, D. M. Asner, D. Matvienko, D. Narwal, D. Shtol, D. Tonelli, D. Y. Kim, E. Bertholet, E. De La Cruz-Burelo, E. Ganiev, E. Graziani, E.-J. Jang, E. Kovalenko, E. Manoni, E. Prencipe, E. Solovieva, E. Torassa, E. Won, F. Becherer, F. Bianchi, F. Dattola, F. Di Capua, F. Forti, F. Keil, F. Meier, F. Metzner, F. Otani, F. R. Le Diberder, F. Simon, F. Tenchini, F. U. Bernlochner, G. B. Mohanty, G. Casarosa, G. de Marino, G. De Nardo, G. De Pietro, G. Dujany, G. Finocchiaro, G. Gaudino, G. Ghevondyan, G. Giakoustidis, G. Karyan, G. Mancinelli, G. Nazaryan, G. Pakhlova, G. Raeuber, G. Rizzo, G. Russo, H. Ahmed, H. Aihara, H. Atmacan, H.-E. Cho, H. Ghumaryan, H.-G. Moser, H. Hayashii, H. Junkerkalefeld, H. Miyake, H. Ono, H. Park, H. Purwar, H. Svidras, I. Heredia de la Cruz, I. Nakamura, I. Ripp-Baudot, I. Tsaklidis, I. Ueda, J. A. McKenna, J. Baudot, J. Becker, J. B. Singh, J. Cerasoli, J. Dingfelder, J.-G. Shiu, J. H. Yin, J. Kandra, J. Libby, J. M. Roney, J. Serrano, J. Skorupa, J. S. Lange, J. V. Bennett, J. Yelton, K. Adamczyk, K. Chilikin, K. Chirapatpimol, K. Cho, K. Dort, K. E. Varvell, K. Gudkova, K. H. Kang, K.-H. Kim, K. Kinoshita, K. K. Joo, K. Kojima, K. Kumara, K. Matsuoka, K. Miyabayashi, K. Senyo, K. Sumisawa, K. Tanida, K. Trabelsi, K. Unger, K. Uno, K. Yoshihara, L. Aggarwal, L. Cao, L. Corona, L. E. Piilonen, L. K. Li, L. Lanceri, L. Martel, L. Massaccesi, L. M. Cremaldi, L. Nayak, L. Santelj, L. Vitale, M. Aversano, M. Barrett, M. Bertemes, M. Bessner, M. Bra\\v{c}ko, M. Campajola, M.-C. Chang, M. De Nuccio, M. Destefanis, M. Dorigo, M. Eliachevitch, M. E. Sevior, M. Garcia-Hernandez, M. Hern\\'andez Villanueva, M. Hoek, M. Hohmann, M. Iwasaki, M. J. Lee, M. Kumar, M. Laurenza, M. Liu, M. Maggiora, M. Mantovano, M. Masuda, M. Merola, M. Milesi, M. Mirra, M. Mrvar, M. Nakao, M. Naruki, M. Nayak, M. Piccolo, M. Reif, M. Roehrken, M. Sobotzik, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Hedges, M. T. Prim, M. Uchida, M. Veronesi, M. Wakai, M.-Z. Wang, N. Akopov, N. Ipsita, N. Molina-Gonzalez, N. Rauls, N. Rout, O. Gogota, O. Tittel, P. Bambade, P. Branchini, P. Chang, P. Cheema, P. Ecker, P. Feichtinger, P. Goldenzweig, P. Horak, P. Jackson, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. L. M. Podesta-Lerma, P. M. Lewis, P. Oskin, P. Pakhlov, P. Rados, P. Rocchetti, P. Stavroulakis, P. Urquijo, Q. D. Zhou, Q. Y. Liu, R. A. Briere, R. de Sangro, R. Dhamija, R. Garg, R. Giordano, R. Godang, R. Itoh, R. J. Sobie, R. Kowalewski, R. Leboucher, R. Maiti, R. Manfredi, R. Mehta, R. Mizuk, R. Mussa, R. Peschke, R. Pestotnik, R. Stroili, R. Tiwary, R. van Tonder, R. Volpe, S. A. De La Motte, S. Bahinipati, S. Bansal, S. Bettarini, S. Bilokin, S. Bussino, S. B. Yang, S. Choudhury, S. Dreyer, S. Dubey, S. E. Vahsen, S. Granderath, S. Halder, S. Hazra, S.-H. Park, S. H. Robertson, S.-J. Cho, S. Jia, S.-K. Choi, S. K. Maurya, S. Kohani, S. Korpar, S. Lacaprara, S. Longo, S. Maity, S. Marcello, S. Mondal, S. Moneta, S. Nishida, S. Ogawa, S. Pardi, S. Patra, S. Paul, S. P. Maharana, S. Pokharel, S. Prell, S. Raiz, S. Reiter, S. Sandilya, S. Spataro, S. Stefkova, S. Tanaka, S. Uno, S. Wallner, S. Watanuki, Sw. Banerjee, S. Yamada, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. Fillinger, T. Grammatico, T. Gu, T. Hara, T. Higuchi, T. Humair, T. Iijima, T. Kawasaki, T. Koga, T. K. Pedlar, T. Kuhr, T. Kunigo, T. Lam, T. Lueck, T. Luo, T. Martinov, T. Matsuda, T. M. G. Kraetzschmar, T. Podobnik, T. Shillington, T. Shimasaki, T. Uglov, T. V. Dong, U. Tamponi, V. Aushev, V. Babu, V. Bertacchi, V. Gaur, V. I. Zhukova, V. Savinov, V. S. Vismaya, V. Zhilich, W. Gradl, W. Shan, W. W. Jacobs, X. D. Shi, X. L. Wang, X. P. Xu, X. Y. Zhou, Y. B. Li, Y. Han, Y. Jin, Y.-J. Kwon, Y.-K. Kim, Y. Kulii, Y. Li, Y. Ma, Y. Nakazawa, Y. Onuki, Y. Sakai, Y. Sato, Y. Seino, Y. Uematsu, Y. Unno, Y. Ushiroda, Y. Zhang, Z. Dole\\v{z}al, Z. Gruberov\\'a, Z. Natkaniec, Z. Q. Liu, Z. Wang","submitted_at":"2023-11-13T11:30:04Z","abstract_excerpt":"We measure the tau-to-light-lepton ratio of inclusive $B$-meson branching fractions $R(X_{\\tau/\\ell}) \\equiv \\mathcal{B}(B\\to X \\tau \\nu)/\\mathcal{B}(B \\to X \\ell \\nu)$, where $\\ell$ indicates an electron or muon, and thereby test the universality of charged-current weak interactions. We select events that have one fully reconstructed $B$ meson and a charged lepton candidate from $189~\\mathrm{fb}^{-1}$ of electron-positron collision data collected with the Belle II detector. 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