{"paper":{"title":"Measurement of Angular Coefficients of $\\bar{B} \\to D^* \\ell \\bar{\\nu}_\\ell$: Implications for $|V_{cb}|$ and Tests of Lepton Flavor Universality","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"A. Bondar, A. Budano, A. Giri, A. Ishikawa, A. Korobov, A. Natochii, A. Passeri, A. Vossen, B. Bhuyan, B. D. Yabsley, Belle Collaboration: M. T. Prim, B. G. Cheon, B. G. Fulsom, C. Hadjivasiliou, C. H. Kim, C. Kiesling, C.-L. Hsu, C. Schwanda, D. Biswas, D. Bodrov, D. Epifanov, D. Ferlewicz, D. Herrmann, D. Liventsev, D. M. Asner, D. Matvienko, D. Narwal, D. \\v{C}ervenkov, D. Y. Kim, E. Kovalenko, E. Prencipe, E. Solovieva, E. Won, F. Bernlochner, F. Di Capua, F. Meier, F. Metzner, F. Tenchini, G. B. Mohanty, G. De Nardo, G. De Pietro, G. Inguglia, G. Pakhlova, G. Russo, G. Schnell, H. Aihara, H. Hayashii, H. Ono, I. Nakamura, J. Bennett, J. Borah, J. B. Singh, J. Cochran, J.-G. Shiu, J. H. Yin, J. Libby, K. Belous, K. E. Varvell, K. Gudkova, K.-H. Kim, K. Inami, K. Miyabayashi, K. Senyo, K. Tanida, K. Trabelsi, L. Cao, L. E. Piilonen, L. K. Li, L. Li Gioi, L. Nayak, L. Santelj, L. Yuan, M. Bessner, M. Bra\\v{c}ko, M. Campajola, M. Hern\\'andez Villanueva, M. Iwasaki, M. Kumar, M. Merola, M. Nakao, M. R\\\"ohrken, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Hedges, M.-Z. Wang, N. Dash, N. Ipsita, N. Rout, P. Behera, P. Branchini, P. Chang, P. Ecker, P. Goldenz weig, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Lewis, P. Oskin, P. Pakhlov, P. Schmolz, P. Urquijo, R. Ayad, R. Dhamija, R. Garg, R. Itoh, R. Kumar, R. Mizuk, R. Pestotnik, R. Tiwary, S. B. Yang, S. Choudhury, S. C. Lee, S. Das, S. Dubey, S. E. Vahsen, S. Hazra, S.-H. Park, S.-K. Choi, S. K. Maurya, S. Korpar, S. Nishida, S. Patra, S. Sandilya, S. Uno, Sw. Banerjee, T. Aushev, T. Bilka, T. E. Browder, T. Ferber, T. Gu, T. Hara, T. Konno, T. K. Pedlar, T. Kuhr, T. Lam, T. Matsuda, T. Podobnik, T. V. Dong, V. Babu, V. Bhardwaj, V. Gaur, V. Savinov, V. Zhilich, V. Zhukova, W. Shan, W.-S. Hou, W. W. Jacobs, W. Yan, X. L. Wang, Y. Choi, Y.-J. Kwon, Y. Ma, Y. Seino, Y. Unno, Y. Usov, Z. Dole\\v{z}al, Z. Natkaniec, Z. P. Zhang, Z. S. Stottler","submitted_at":"2023-10-31T08:59:15Z","abstract_excerpt":"We measure the complete set of angular coefficients $J_i$ for exclusive $\\bar{B} \\to D^* \\ell \\bar{\\nu}_\\ell$ decays ($\\ell = e, \\mu$). Our analysis uses the full $711\\,\\mathrm{fb}^{-1}$ Belle data set with hadronic tag-side reconstruction. The results allow us to extract the form factors describing the $B \\to D^*$ transition and the Cabibbo-Kobayashi-Maskawa matrix element $|V_{\\rm cb}|$. Using recent lattice QCD calculations for the hadronic form factors, we find $|V_{\\rm cb}| = (41.0 \\pm 0.7) \\times 10^3 $ using the BGL parameterization, compatible with determinations from inclusive semilep"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.20286","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2310.20286/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}