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Fulsom, B. Golob, B. H. Kim, B. Kronenbitter, B. Pal, B. Reisert, B. R. Ko, B. Schwenker, B. Shwartz, B. Wang, C. Bookwalter, C. Boulahouache, C. C. Zhang, C. H. Li, C. H. Wang, C. Kiesling, C. Kleinwort, C.-L. Hsu, C. Liu, C. Ng, C. Niebuhr, C. Oswald, C. P. Shen, C. Pulvermacher, C. Schwanda, C.-S. Park, C. Van Hulse, C. W. Park, C. Z. Yuan, D. Besson, D. Cinabro, D. Dossett, D. Dutta, D. Epifanov, D. Getzkow, D. Greenwald, D. Heffernan, D. H. Lee, D. Joffe, D. Kotchetkov, D. Levit, D. Liventsev, D. M. Asner, D. Matvienko, D. Mohapatra, D. Santel, D. Semmler, D. \\v{C}ervenkov, D. Y. Kim, E. Barberio, E. Guido, E. Kato, E. Kurihara, E. Nakano, E. Nedelkovska, E. Panzenb\\\"ock, E. Ribe\\v{z}l, E. Solovieva, E. Waheed, E. White, E. Widmann, E. Won, F. Breibeck, F. Giordano, F. Metzner, F. Simon, F. Tenchini, F. U. Bernlochner, G. B. Mohanty, G. Bonvicini, G. Caria, G. Inguglia, G. Karyan, G. N. Taylor, G. Pakhlova, G. Schnell, G. Varner, H. Aihara, H. Atmacan, H. B. Jeon, H. Farhat, H.-G. Moser, H. Guo, H. Hayashii, H. J. Hyun, H. J. Kim, H.-J. Kim, H. Kakuno, H. Kawai, H. Kichimi, H. K. Moon, H. Li, H. Miyake, H. Miyata, H. Nakano, H. Nakayama, H. Nakazawa, H. Ono, H. Ozaki, H. Palka, H. Park, H. Sahoo, H. Shibuya, H. Takeichi, H. Yamamoto, H. Ye, I. Adachi, I. Badhrees, I. Jaegle, I. Nakamura, I. S. Lee, I. S. Seong, I. Tikhomirov, J. Biswal, J. B. Kim, J. Brodzicka, J. B. Singh, J. Crnkovic, J. Dalseno, J. Dingfelder, J. E. Fast, J. F. Strube, J. Gemmler, J. Grygier, J.-G. Shiu, J. Haba, J. Hasenbusch, J. H. Kang, J. H. Kim, J. Kahn, J. Klucar, J. Li, J. Libby, J. MacNaughton, J. Rauch, J. Rorie, J. Sasaki, J. S. Lange, J. Stypula, J. Wang, J. Wiechczynski, J. Yamaoka, J. Yelton, K. Adamczyk, K. Arinstein, K. Belous, K. Chilikin, K. Cho, K. Dutta, K. E. Varvell, K.-F. Chen, K. Hara, K. Hayasaka, K. H. Kang, K. Hoshina, K. Inami, K. Itagaki, K. J. Nath, K. Kinoshita, K. K. Joo, K. Miyabayashi, K. M. Williams, K. Negishi, K. Neichi, K. Nishimura, K. Prasanth, K. Prothmann, K. R. Nakamura, K. Sakai, K. Senyo, K. S. Park, K. Sumisawa, K. Suzuki, K. Tanida, K. T. Kim, K. Trabelsi, K. Ueno, K. Vervink, L. E. Piilonen, L. Li, L. Li Gioi, L. M. Zhang, L. Pes\\'antez, L. Santelj, L. Shang, L. S. Peak, L. Zhao, M. Barrett, M. Belhorn, M. Berger, M. Bra\\v{c}ko, M.-C. Chang, M. Danilov, M. E. Sevior, M. Feindt, M. Gelb, M. Grosse Perdekamp, M. Heck, M. Heider, M. Huschle, M. Imamura, M. Iwabuchi, M. Iwasaki, M. J. Kim, M. Jones, M. Leitgab, M. Lubej, M. Masuda, M. Mrvar, M. Nakao, M. Nayak, M. Niiyama, M. N. Wagner, M. Peters, M. Petri\\v{c}, M. Prim, M. Ritter, M. Rozanska, M. Salehi, M. Schram, M. Shapkin, M. Stari\\v{c}, M. Steder, M. Sumihama, M. Takizawa, M. Tanaka, M. T. Hedges, M. Uchida, M. V. Purohit, M. Watanabe, M. Yamauchi, M. Ziegler, M.-Z. Wang, N. Braun, N. Dash, N. Gabyshev, N. K. Nisar, N. Kobayashi, N. Muramatsu, N. Sasao, N. Shimizu, N. Taniguchi, N. Zwahlen, O. Frost, O. Grzymkowska, O. Nitoh, O. Schneider, O. Seon, P. Behera, P. Chang, P. Chen, P. Goldenzweig, P. Hamer, P. Kapusta, P. Katrenko, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Kvasni\\v{c}ka, P. Lewis, P. Lukin, P. Pakhlov, P. Sch\\\"onmeier, P. Smerkol, P. Urquijo, P. Vanhoefer, P. Wang, R. Ayad, R. Chistov, R. Gillard, R. Glattauer, R. Itoh, R. Kulasiri, R. Kumar, R. Leitner, R. Louvot, R. Mizuk, R. Mussa, R. Pestotnik, R. Seidl, R. Sinha, R. T. Kouzes, R. Wedd, S. Al Said, S. Bahinipati, S. Blyth, S. Cunliffe, S. Di Carlo, S. Dubey, S. Eidelman, S. E. Vahsen, S.Falke, S. Ganguly, S. Himori, S. Hirose, S. H. Kim, S.-H. Lee, S. Iwata, S. Jia, S.-K. Choi, S. K. Kim, S. Koblitz, S. Korpar, S. L. Olsen, S. McOnie, S. Mohanty, S. Nishida, S. Ogawa, S. Okuno, S. Paul, S. Rummel, S. Ryu, S. Sandilya, S. Shinomiya, S. Stani\\v{c}, S. Sugihara, S. Suzuki, S. Tanaka, S. Uehara, S. U. Kataoka, S. Uno, S. Uozumi, S. Wehle, S. Yamada, S. Yashchenko, S. Y. Suzuki, T.-A. Shibata, T. Aso, T. Aushev, T. Aziz, T. Bloomfield, T. E. Browder, T. Ferber, T. Hara, The Belle Collaboration: A. Abdesselam, T. Higuchi, T. Horiguchi, T. Iijima, T. Julius, T. Kawasaki, T. Keck, T. K. Pedlar, T. Kuhr, T. Kumita, T. Luo, T. Matsuda, T. Mori, T. Morii, T. M\\\"uller, T. Nagamine, T. Nakano, T. Nanut, T. Nozaki, T. Ohshima, T. Peng, T. Saito, T. Sanuki, T. Schl\\\"uter, T. Sumiyoshi, T. Tsuboyama, T. Uchida, T. Uglov, T. Zivko, U. Tamponi, V. Aulchenko, V. Babu, V. Bansal, V. Bhardwaj, V. Chekelian, V. Chobanova, V. Gaur, V. Savinov, V. Shebalin, V. Trusov, V. Vorobyev, V. Zhilich, V. Zhukova, V. Zhulanov, W. Bartel, W. Ostrowicz, W.-S. Hou, W. W. Jacobs, X. H. He, X. Li, X. L. Wang, Y. Arita, Y. Ban, Y. B. Hsiung, Y. Chao, Y. Choi, Y. Guan, Y. Hasegawa, Y. Hoshi, Y. Igarashi, Y. Iwasaki, Y. Jin, Y. J. Kim, Y.-J. Kwon, Y. Kato, Y. Koga, Y. Kuroki, Y. L. Han, Y. Li, Y. Liu, Y. M. Goh, Y. Mikami, Y. Miyachi, Y. Miyazaki, Y. Nagasaka, Y. Nakahama, Y. Ono, Y. Onuki, Y. Sakai, Y. Sato, Y. Seino, Y. Soloviev, Y.-S. Sohn, Y. Teramoto, Y.-T. Lai, Y. Unno, Y. Ushiroda, Y. Usov, Y. Watanabe, Y. Yamashita, Y. Yook, Y. Yusa, Z. Dole\\v{z}al, Z. Dr\\'asal, Z. Natkaniec, Z. P. Zhang, Z. Q. Liu, Z. Suzuki","submitted_at":"2019-04-18T14:01:44Z","abstract_excerpt":"We report a measurement of the ratios of branching fractions $\\mathcal{R}(D) = {\\cal B}(\\bar{B} \\to D \\tau^- \\bar{\\nu}_{\\tau})/{\\cal B}(\\bar{B} \\to D \\ell^- \\bar{\\nu}_{\\ell})$ and $\\mathcal{R}(D^{\\ast}) = {\\cal B}(\\bar{B} \\to D^* \\tau^- \\bar{\\nu}_{\\tau})/{\\cal B}(\\bar{B} \\to D^* \\ell^- \\bar{\\nu}_{\\ell})$, where $\\ell$ denotes an electron or a muon. The results are based on a data sample containing $772\\times10^6$ $B\\bar{B}$ events recorded at the $\\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+ e^-$ collider. The analysis utilizes a method where the tag-side $B$ meson is recon"},"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":"1904.08794","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2019-04-18T14:01:44Z","cross_cats_sorted":[],"title_canon_sha256":"a90920919162ae1ab5ce69de3d5a3a75cc09d518893cdb836cf60889e96f0cdc","abstract_canon_sha256":"9932f75a01f6d029c7788f11b7fa34f6b515e887a1bf9084874cdc1d51cddf6c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:35.552213Z","signature_b64":"szSV//NUjZMK91n/J8Aff3zaY+EkfyckmHLxDTdXJpMda9Qra7TA57NB/Nhk/7N0f78U/EbwUtz6oUvEATwFCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e888d1bd630390a2706ad4d46488f359550c60ae85b509e827031c8f24031e9c","last_reissued_at":"2026-05-17T23:47:35.551755Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:35.551755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of $\\mathcal{R}(D)$ and $\\mathcal{R}(D^{\\ast})$ with a semileptonic tagging method","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Bala, A. Bay, A. B. Kaliyar, A. Bobrov, A. Bondar, A. Bozek, A. Chen, A. Drutskoy, A. Frey, A. Garmash, A. Heller, A. Ishikawa, A. J. Schwartz, A. Kuzmin, A. Limosani, A. Loos, A. Matyja, A. M. Bakich, A. Moll, A. Ogawa, A. Poluektov, A. Rostomyan, A. Sibidanov, A. Sokolov, A. Sugiyama, A. Vinokurova, A. Vossen, A. Zupanc, B. Bhuyan, B. D. Yabsley, B. G. Cheon, B. G. Fulsom, B. Golob, B. H. Kim, B. Kronenbitter, B. Pal, B. Reisert, B. R. Ko, B. Schwenker, B. Shwartz, B. Wang, C. Bookwalter, C. Boulahouache, C. C. Zhang, C. H. Li, C. H. Wang, C. Kiesling, C. Kleinwort, C.-L. Hsu, C. Liu, C. Ng, C. Niebuhr, C. Oswald, C. P. Shen, C. Pulvermacher, C. Schwanda, C.-S. Park, C. Van Hulse, C. W. Park, C. Z. Yuan, D. Besson, D. Cinabro, D. Dossett, D. Dutta, D. Epifanov, D. Getzkow, D. Greenwald, D. Heffernan, D. H. Lee, D. Joffe, D. Kotchetkov, D. Levit, D. Liventsev, D. M. Asner, D. Matvienko, D. Mohapatra, D. Santel, D. Semmler, D. \\v{C}ervenkov, D. Y. Kim, E. Barberio, E. Guido, E. Kato, E. Kurihara, E. Nakano, E. Nedelkovska, E. Panzenb\\\"ock, E. Ribe\\v{z}l, E. Solovieva, E. Waheed, E. White, E. Widmann, E. Won, F. Breibeck, F. Giordano, F. Metzner, F. Simon, F. Tenchini, F. U. Bernlochner, G. B. Mohanty, G. Bonvicini, G. Caria, G. Inguglia, G. Karyan, G. N. Taylor, G. Pakhlova, G. Schnell, G. Varner, H. Aihara, H. Atmacan, H. B. Jeon, H. Farhat, H.-G. Moser, H. Guo, H. Hayashii, H. J. Hyun, H. J. Kim, H.-J. Kim, H. Kakuno, H. Kawai, H. Kichimi, H. K. Moon, H. Li, H. Miyake, H. Miyata, H. Nakano, H. Nakayama, H. Nakazawa, H. Ono, H. Ozaki, H. Palka, H. Park, H. Sahoo, H. Shibuya, H. Takeichi, H. Yamamoto, H. Ye, I. Adachi, I. Badhrees, I. Jaegle, I. Nakamura, I. S. Lee, I. S. Seong, I. Tikhomirov, J. Biswal, J. B. Kim, J. Brodzicka, J. B. Singh, J. Crnkovic, J. Dalseno, J. Dingfelder, J. E. Fast, J. F. Strube, J. Gemmler, J. Grygier, J.-G. Shiu, J. Haba, J. Hasenbusch, J. H. Kang, J. H. Kim, J. Kahn, J. Klucar, J. Li, J. Libby, J. MacNaughton, J. Rauch, J. Rorie, J. Sasaki, J. S. Lange, J. Stypula, J. Wang, J. Wiechczynski, J. Yamaoka, J. Yelton, K. Adamczyk, K. Arinstein, K. Belous, K. Chilikin, K. Cho, K. Dutta, K. E. Varvell, K.-F. Chen, K. Hara, K. Hayasaka, K. H. Kang, K. Hoshina, K. Inami, K. Itagaki, K. J. Nath, K. Kinoshita, K. K. Joo, K. Miyabayashi, K. M. Williams, K. Negishi, K. Neichi, K. Nishimura, K. Prasanth, K. Prothmann, K. R. Nakamura, K. Sakai, K. Senyo, K. S. Park, K. Sumisawa, K. Suzuki, K. Tanida, K. T. Kim, K. Trabelsi, K. Ueno, K. Vervink, L. E. Piilonen, L. Li, L. Li Gioi, L. M. Zhang, L. Pes\\'antez, L. Santelj, L. Shang, L. S. Peak, L. Zhao, M. Barrett, M. Belhorn, M. Berger, M. Bra\\v{c}ko, M.-C. Chang, M. Danilov, M. E. Sevior, M. Feindt, M. Gelb, M. Grosse Perdekamp, M. Heck, M. Heider, M. Huschle, M. Imamura, M. Iwabuchi, M. Iwasaki, M. J. Kim, M. Jones, M. Leitgab, M. Lubej, M. Masuda, M. Mrvar, M. Nakao, M. Nayak, M. Niiyama, M. N. Wagner, M. Peters, M. Petri\\v{c}, M. Prim, M. Ritter, M. Rozanska, M. Salehi, M. Schram, M. Shapkin, M. Stari\\v{c}, M. Steder, M. Sumihama, M. Takizawa, M. Tanaka, M. T. Hedges, M. Uchida, M. V. Purohit, M. Watanabe, M. Yamauchi, M. Ziegler, M.-Z. Wang, N. Braun, N. Dash, N. Gabyshev, N. K. Nisar, N. Kobayashi, N. Muramatsu, N. Sasao, N. Shimizu, N. Taniguchi, N. Zwahlen, O. Frost, O. Grzymkowska, O. Nitoh, O. Schneider, O. Seon, P. Behera, P. Chang, P. Chen, P. Goldenzweig, P. Hamer, P. Kapusta, P. Katrenko, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Kvasni\\v{c}ka, P. Lewis, P. Lukin, P. Pakhlov, P. Sch\\\"onmeier, P. Smerkol, P. Urquijo, P. Vanhoefer, P. Wang, R. Ayad, R. Chistov, R. Gillard, R. Glattauer, R. Itoh, R. Kulasiri, R. Kumar, R. Leitner, R. Louvot, R. Mizuk, R. Mussa, R. Pestotnik, R. Seidl, R. Sinha, R. T. Kouzes, R. Wedd, S. Al Said, S. Bahinipati, S. Blyth, S. Cunliffe, S. Di Carlo, S. Dubey, S. Eidelman, S. E. Vahsen, S.Falke, S. Ganguly, S. Himori, S. Hirose, S. H. Kim, S.-H. Lee, S. Iwata, S. Jia, S.-K. Choi, S. K. Kim, S. Koblitz, S. Korpar, S. L. Olsen, S. McOnie, S. Mohanty, S. Nishida, S. Ogawa, S. Okuno, S. Paul, S. Rummel, S. Ryu, S. Sandilya, S. Shinomiya, S. Stani\\v{c}, S. Sugihara, S. Suzuki, S. Tanaka, S. Uehara, S. U. Kataoka, S. Uno, S. Uozumi, S. Wehle, S. Yamada, S. Yashchenko, S. Y. Suzuki, T.-A. Shibata, T. Aso, T. Aushev, T. Aziz, T. Bloomfield, T. E. Browder, T. Ferber, T. Hara, The Belle Collaboration: A. Abdesselam, T. Higuchi, T. Horiguchi, T. Iijima, T. Julius, T. Kawasaki, T. Keck, T. K. Pedlar, T. Kuhr, T. Kumita, T. Luo, T. Matsuda, T. Mori, T. Morii, T. M\\\"uller, T. Nagamine, T. Nakano, T. Nanut, T. Nozaki, T. Ohshima, T. Peng, T. Saito, T. Sanuki, T. Schl\\\"uter, T. Sumiyoshi, T. Tsuboyama, T. Uchida, T. Uglov, T. Zivko, U. Tamponi, V. Aulchenko, V. Babu, V. Bansal, V. Bhardwaj, V. Chekelian, V. Chobanova, V. Gaur, V. Savinov, V. Shebalin, V. Trusov, V. Vorobyev, V. Zhilich, V. Zhukova, V. Zhulanov, W. Bartel, W. Ostrowicz, W.-S. Hou, W. W. Jacobs, X. H. He, X. Li, X. L. Wang, Y. Arita, Y. Ban, Y. B. Hsiung, Y. Chao, Y. Choi, Y. Guan, Y. Hasegawa, Y. Hoshi, Y. Igarashi, Y. Iwasaki, Y. Jin, Y. J. Kim, Y.-J. Kwon, Y. Kato, Y. Koga, Y. Kuroki, Y. L. Han, Y. Li, Y. Liu, Y. M. Goh, Y. Mikami, Y. Miyachi, Y. Miyazaki, Y. Nagasaka, Y. Nakahama, Y. Ono, Y. Onuki, Y. Sakai, Y. Sato, Y. Seino, Y. Soloviev, Y.-S. Sohn, Y. Teramoto, Y.-T. Lai, Y. Unno, Y. Ushiroda, Y. Usov, Y. Watanabe, Y. Yamashita, Y. Yook, Y. Yusa, Z. Dole\\v{z}al, Z. Dr\\'asal, Z. Natkaniec, Z. P. Zhang, Z. Q. Liu, Z. Suzuki","submitted_at":"2019-04-18T14:01:44Z","abstract_excerpt":"We report a measurement of the ratios of branching fractions $\\mathcal{R}(D) = {\\cal B}(\\bar{B} \\to D \\tau^- \\bar{\\nu}_{\\tau})/{\\cal B}(\\bar{B} \\to D \\ell^- \\bar{\\nu}_{\\ell})$ and $\\mathcal{R}(D^{\\ast}) = {\\cal B}(\\bar{B} \\to D^* \\tau^- \\bar{\\nu}_{\\tau})/{\\cal B}(\\bar{B} \\to D^* \\ell^- \\bar{\\nu}_{\\ell})$, where $\\ell$ denotes an electron or a muon. The results are based on a data sample containing $772\\times10^6$ $B\\bar{B}$ events recorded at the $\\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+ e^-$ collider. 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