{"paper":{"title":"Evidence for the decay B0->eta pi^0","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Abdesselam, A. Bobrov, A. Bozek, A. Chen, A. Drutskoy, A . Garmash, A. Ishikawa, A. J. Schwartz, A. Kuzmin, A. M. Bakich, A. Moll, A. Rostomyan, A. Sibidanov, A. Vinokur ova, A. Vossen, A. Zupanc, Belle Collaboration: B. Pal, B. G. Cheon, B. G. Fulsom, B. Golob, B. R. Ko, C. H. Wang, C. Kiesling, C. P. Shen, C. Pulvermacher, C. Schwanda, C. Van Hulse, C. W. Park, D. Cinabro, D. Dutta, D. Getzkow, D. H. Lee, D. Liventsev, D. M. Asner, D. Matvienko, D. Santel, D. \\v{C}ervenkov, D. Y. Kim, E. Kato, E. Nakano, E. Ribe\\v{z}l, E. Solovieva, E. Won, F. Simon, F. Thorne, G. B. Mohanty, G. Bonvicini, G. Pakhlova, G. Schnell, G. Varner, H. Aihara, H. Farhat, H. Hayashii, H. J. Hyun, H. K. Moon, H. Miyata, H. Park, H. Yamamoto, I. Adachi, I. Badhrees, I. Jaegle, I. S. Lee, J. B. Kim, J. Dalseno, J. E. Fast, J.-G. Shiu, J. H. Kim, J. Libby, J. S. Lange, J. Yamaoka, K. Arinstein, K. Cho, K. Hayasaka, K. H. Kang, K. Kinoshita, K. R. Nakamura, K. Senyo, K. Sumisawa, K. T. Kim, L. E. Piilonen, L. Li Gioi, L. Pes\\'antez, L. Santelj, M. Bra\\v{c}ko, M.-C. Chang, M. E. Sevior, M. Huschle, M. J. Kim, M. Nakao, M. Nayak, M. N. Wagner, M. Petri\\v{c}, M. Ritter, M. Shapkin, M. Stari\\v{c}, M. Su mihama, M. Uchida, M.-Z. Wang, N. Gabyshev, O. Frost, O. Grzymkowska, O. Schneider, O. S eon, P. Kody\\v{s}, P. Kri\\v{z}an, P. Krokovny, P. Lukin, P. Pakhlov, P. Vanhoefer, P. Wang, R. Ayad, R. Gillard, R. Glattauer, R. Itoh, S. Al Said, S. Eidelman, S. Ganguly, S. H. Kim, S. Korpar, S. Nishida, S. Ogawa, S. Okuno, S. Ryu, S. Sandilya, S. Stani\\v{c}, S. Uehara, S. Uno, S. Yashchenko, T.-A. Shibata, T. Aushev, T. E. Browder, T. Ferber, T. Hara, T. Iijima, T. Julius, T. K. Pedlar, T. Kuhr, T. Kumita, T. Nanut, T. Sanuki, T. Sumiyoshi, U. Tamponi, V. Aulchenko, V. Babu, V. Chekelian, V. Chobanova, V. Gaur, V. Shebalin, V. Vorobyev, V. Zhi lich, V. Zhulanov, W.-S. Hou, X. H. He, X. L. Wang, Y. Choi, Y. Iwasaki, Y. J. Kim, Y.-J. Kwon, Y. Li, Y. M. Goh, Y. Sakai, Y. Sato, Y.-S. Sohn, Y. Teramoto, Y. Unno, Y. Usov, Y. Watanabe, Z. Dole\\v{z}al, Z. Dr\\'asal, Z. Natkaniec, Z. P. Zhang","submitted_at":"2015-04-03T23:46:48Z","abstract_excerpt":"We report a search for the charmless hadronic decay $B^0\\to\\eta \\pi^0$ with a data sample corresponding to an integrated luminosity of 694 $\\rm fb^{-1}$ containing $753\\times10^6$ $B\\bar{B}$ pairs. The data were collected by the Belle experiment running on the $\\Upsilon(4S)$ resonance at the KEKB $e^+e^-$ collider. We measure a branching fraction $\\mathcal{B}(B^0\\to\\eta\\pi^0)=(4.1^{+1.7+0.5}_{-1.5-0.7})\\times 10^{-7}$, where the first uncertainty is statistical and the second is systematic. Our measurement gives an upper limit of $\\mathcal{B}(B^0\\to\\eta\\pi^0)<6.5\\times 10^{-7}$ at 90\\% confide"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00957","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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"}