{"paper":{"title":"Search for $CP$ violation in the $D^{+}\\to\\pi^{+}\\pi^{0}$ decay at Belle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. B. Kaliyar, A. Bobrov, A. Bozek, A. Chen, A. Garmash, A. Ishikawa, A. J. Schwartz, A. Kuzmin, A. M. Bakich, A. Rostomyan, A. Sokolov, A. Zupanc, Belle Collaboration: V. Babu, B. G. Cheon, B. G. Fulsom, B. Golob, B. Pal, B. Shwartz, B. Wang, C. H. Wang, C. Kiesling, C. P. Shen, C. Pulvermacher, C. Schwanda, C.S. Park, C. Van Hulse, C. Z. Yuan, D. Cinabro, D. Dutta, D. Epifanov, D. Greenwald, D. Joffe, D. Kotchetkov, D. Liventsev, D. M. Asner, D. Matvienko, D. \\v{C}ervenkov, D. Y. Kim, E. Guido, E. Nakano, E. Solovieva, E. Waheed, E. Widmann, E. Won, F. Simon, F. Tenchini, G. B. Mohanty, G. Karyan, G. Pakhlova, G. Schnell, G. Varner, H. Aihara, H. Atmacan, H. B. Jeon, H. Hayashii, H. J. Kim, H. Miyata, H. Ono, H. Park, H. Yamamoto, H. Ye, I. Adachi, I. Badhrees, I. S. Seong, J. Biswal, J. B. Kim, J. E. Fast, J. F. Strube, J.-G. Shiu, J. Haba, J. H. Kang, J. Libby, J. Rauch, J. S. Lange, K. Chilikin, K. Cho, K. E. Varvell, K. Hayasaka, K. H. Kang, K. Inami, K. J. Nath, K. Kinoshita, K. K. Joo, K. Miyabayashi, K. Prasanth, K. Senyo, K. Tanida, K. T. Kim, K. Trabelsi, L. E. Piilonen, L. K. Li, L. Li Gioi, L. Santelj, M. Berger, M. Bra\\v{c}ko, M. E. Sevior, M. Gelb, M. Iwasaki, M. Lubej, M. Masuda, M. Merola, M. Mrvar, M. Nakao, M. Nayak, M. Niiyama, M. Ritter, M. Salehi, M. Stari\\v{c}, M. Sumihama, M. Takizawa, M. T. Hedges, M. Uchida, M.-Z. Wang, N. Dash, N. Gabyshev, N. K. Nisar, O. Schneider, O. Seon, P. Behera, P. Goldenzweig, P. Katrenko, P. Kody\\v{s}, P. K. Resmi, P. Kri\\v{z}an, P. Krokovny, P. Pakhlov, P. Urquijo, P. Wang, R. Ayad, R. Itoh, R. Kroeger, R. Kulasiri, R. Kumar, R. Mizuk, R. Pestotnik, S. Al Said, S. Bahinipati, S. Choudhury, S. Di Carlo, S. Eidelman, S. E. Vahsen, S. H. Kim, S. Jia, S. Korpar, S. Nishida, S. Ogawa, S. Okuno, S. Pardi, S. Paul, S. Sandilya, S. Stani\\v{c}, S. Uno, S. Zakharov, T.-A. Shibata, T. Aziz, T. E. Browder, T. Ferber, T. Horiguchi, T. Julius, T. Kawasaki, T. Kuhr, T. Luo, T. Matsuda, T. Mori, T. Nanut, T. Sanuki, T. Sumiyoshi, T. Uglov, U. Tamponi, V. Bansal, V. Bhardwaj, V. Gaur, V. Popov, V. Savinov, V. Shebalin, V. Zhilich, V. Zhukova, V. Zhulanov, W. Ostrowicz, W.-S. Hou, W. W. Jacobs, Y. Choi, Y. Guan, Y. Jin, Y. J. Kim, Y.-J. Kwon, Y. Ono, Y. Sakai, Y. Seino, Y. Unno, Y. Usov, Y. Watanabe, Y. Yamashita, Y. Yusa, Z. Dole\\v{z}al, Z. Dr\\'asal, Z. Natkaniec, Z. P. Zhang","submitted_at":"2017-12-02T15:11:53Z","abstract_excerpt":"We search for $CP$ violation in the charged charm meson decay $D^{+}\\to\\pi^{+}\\pi^{0}$, based on a data sample corresponding to an integrated luminosity of $\\rm 921~fb^{-1}$ collected by the Belle experiment at the KEKB $e^{+}e^{-}$ asymmetric-energy collider. The measured $CP$ violating asymmetry is $[+2.31\\pm1.24({\\rm stat})\\pm0.23({\\rm syst})]\\%$, which is consistent with the standard model prediction and has a significantly improved precision compared to previous results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00619","kind":"arxiv","version":2},"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"}