{"paper":{"title":"Evidence for Isospin Violation and Measurement of $CP$ Asymmetries in $B \\to K^{\\ast}(892) \\gamma$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Bobrov, A. Bozek, A. Chen, A. Garmash, A. Ishikawa, A. J. Schwartz, A. Kuzmin, A. M. Bakich, A. Rostomyan, A. Sokolov, A. Vinokurova, A. Vossen, A. Zupanc, B. Bhuyan, B. G. Cheon, B. G. Fulsom, B. Golob, B. Pal, C. H. Li, C. H. Wang, C. P. Shen, C. Pulvermacher, C. Schwanda, C.-S. Park, C. Van Hulse, D. Cervenkov, D. Cinabro, D. Dutta, D. Epifanov, D. Joffe, D. Kotchetkov, D. Liventsev, D. M. Asner, D. Matvienko, D. Y. Kim, E. Guido, E. Nakano, E. Solovieva, E. Widmann, E. Won, F. Simon, F. Tenchini, G. B. Mohanty, G. Bonvicini, G. Inguglia, G. Pakhlova, G. Schnell, G. Varner, H. Aihara, H. B. Jeon, H. Farhat, H. Hayashii, H. K. Moon, H. Miyata, H. Ono, H. Park, H. Yamamoto, H. Ye, I. Adachi, I. Badhrees, I. Jaegle, I. S. Seong, J. Biswal, J. B. Kim, J. E. Fast, J. F. Strube, J.-G. Shiu, J. Haba, J. Libby, J. Rauch, J. S. Lange, K. Chilikin, K. Cho, K. Hayasaka, K. H. Kang, K. Inami, K. J. Nath, K. Kinoshita, K. K. Joo, K. Miyabayashi, K. Prasanth, K. Senyo, K. Sumisawa, K. Tanida, K. T. Kim, K. Trabelsi, L. E. Piilonen, L. Li, L. Li Gioi, L. Santelj, M. Bracko, M. E. Sevior, M. Gelb, M. J. Kim, M. Lubej, M. Masuda, M. Merola, M. Nakao, M. Nayak, M. Staric, M. Takizawa, M. T. Hedges, M. Uchida, M.-Z. Wang, N. Dash, N. Gabyshev, N. K. Nisar, O. Schneider, P. Behera, P. Goldenzweig, P. Kodys, P. Krizan, P. Krokovny, P. Pakhlov, P. Urquijo, P. Wang, R. Ayad, R. Gillard, R. Itoh, R. Kulasiri, R. Kumar, R. Mizuk, R. Mussa, R. Pestotnik, S. Al Said, S. Di Carlo, S. Eidelman, S. Hirose, S. H. Kim, S. Jia, S. Korpar, S. Mohanty, S. Nishida, S. Ogawa, S. Okuno, S. Pardi, S. Paul, S. Sandilya, S. Uno, S. Watanuki, T.-A. Shibata, T. Aushev, T. Czank, T. E. Browder, T. Ferber, T. Hara, T. Higuchi, T. Horiguchi, T. Iijima, T. Julius, T. Kawasaki, T. K. Pedlar, T. Kuhr, T. Kumita, T. Luo, T. Matsuda, T. Mori, T. Nanut, T. Sumiyoshi, T. Uglov, T. Weber, U. Tamponi, V. Aulchenko, V. Babu, V. Bansal, V. Bhardwaj, V. Chekelian, V. Gaur, V. Savinov, V. Shebalin, V. Vorobyev, V. Zhilich, V. Zhukova, V. Zhulanov, W.-S. Hou, W. W. Jacobs, Y. Choi, Y. Guan, Y. Iwasaki, Y. Jin, Y. J. Kim, Y.-J. Kwon, Y. Sakai, Y. Seino, Y. Unno, Y. Ushiroda, Y. Usov, Y. Watanabe, Y. Yamashita, Z. Dolezal, Z. Drasal, Z. Natkaniec, Z. P. Zhang","submitted_at":"2017-07-03T04:13:33Z","abstract_excerpt":"We report the first evidence for isospin violation in $B \\to K^* \\gamma$ and the first measurement of difference of $CP$ asymmetries between $B^+ \\to K^{*+} \\gamma$ and $B^0 \\to K^{*0} \\gamma$. This analysis is based on the data sample containing $772 \\times 10^6 B\\bar{B}$ pairs that was collected with the Belle detector at the KEKB energy-asymmetric $e^+ e^-$ collider. We find evidence for the isospin violation with a significance of 3.1$\\sigma$, $\\Delta_{0+} = (+6.2 \\pm 1.5 ({\\rm stat.}) \\pm 0.6 ({\\rm syst.}) \\pm 1.2 (f_{+-}/f_{00}))$\\%, where the third uncertainty is due to the uncertainty "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.00394","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"}