{"paper":{"title":"Measurement of Time-Dependent $CP$ Violation in $B^0\\to \\eta'K^0$ Decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Abdesselam, A. Bondar, A. Bozek, A. Chen, A. Drutskoy, A. Garmash, A. Ishikawa, A. J. Schwartz, A. Kuzmin, A. M. Bakich, A. Moll, A. Rostomyan, A. Sokolov, A. Vossen, A. Zupanc, B. Bhuyan, Belle Collaboration: L. \\v{S}antelj, B. G. Cheon, B. Golob, B. R. Ko, C. H. Wang, C. Kiesling, C. P. Shen, C. Schwanda, C. Van Hulse, D. Cinabro, D. Liventsev, D. M. Asner, D. Matvienko, D. \\v{C}ervenkov, D. Y. Kim, E. Kato, E. Nakano, E. Nedelkovska, E. Ribe\\v{z}l, E. Solovieva, E. Won, F. Simon, G. B. Mohanty, G. Bonvicini, G. Pakhlova, G. Schnell, G. Tatishvili, G. Varner, H. Aihara, H. Farhat, H. Hayashii, H. J. Hyun, H. J. Kim, H. Kakuno, H. Miyata, H. Park, I. Adachi, I. Jaegle, J. B. Kim, J. Dalseno, J. E. Fast, J.-G. Shiu, J. Haba, J. H. Kim, J. Li, J. Libby, K. Chilikin, K. Cho, K. Hara, K. Hayasaka, K. Inami, K. Kinoshita, K. K. Joo, K. Miyabayashi, K. M. Williams, K. Senyo, K. T. Kim, K. Trabelsi, L. E. Piilonen, L. Li Gioi, M. Bra\\v{c}ko, M. Danilov, M. E. Sevior, M. J. Kim, M. Nakao, M. N. Wagner, M. Petri\\v{c}, M. Ritter, M. Stari\\v{c}, M. Steder, M. Sumihama, M. Uchida, M.-Z. Wang, N. Gabyshev, N. K. Nisar, O. Frost, O. Schneider, P. Kri\\v{z}an, P. Krokovny, P. Pakhlov, P. Urquijo, P. Vanhoefer, P. Wang, R. Ayad, R. Gillard, R. Glattauer, R. Itoh, R. Pestotnik, S. Al Said, S. Bahinipati, S. Eidelman, S. E. Vahsen, S. Ganguly, S. Korpar, S. L. Olsen, S. Nishida, S. Ogawa, S. Okuno, S. Sandilya, S. Uehara, S. Uno, S. Wehle, S. Yashchenko, T.-A. Shibata, T. Aushev, T. E. Browder, T. Ferber, T. Higuchi, T. Kawasaki, T. K. Pedlar, T. Kuhr, T. Kumita, T. Mori, T. Nanut, T. Sanuki, T. Uglov, U. Tamponi, V. Aulchenko, V. Bansal, V. Bhardwaj, V. Chekelian, V. Chobanova, V. Gaur, V. Savinov, V. Shebalin, V. Vorobyev, V. Zhilich, 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. Watanabe, Y. Yook, Y. Yusa, Z. Dole\\v{z}al, Z. Dr\\'asal, Z. Natkaniec, Z. P. Zhang","submitted_at":"2014-08-26T03:04:50Z","abstract_excerpt":"We present a measurement of the time-dependent $CP$ violation parameters in $B^0\\to\\eta'K^0$ decays. The measurement is based on the full data sample containing $772\\times 10^6$ $B\\bar{B}$ pairs collected at the $\\Upsilon(4S)$ resonance using the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. The measured values of the mixing-induced and direct $CP$ violation parameters are: \\begin{align} \\sin 2 \\phi^{\\rm eff}_1 &= +0.68\\pm 0.07 \\pm 0.03, \\nonumber \\\\ \\mathcal{A}_{\\eta'K^0} &= +0.03\\pm 0.05\\pm 0.04, \\nonumber \\end{align} where the first uncertainty is statistical and the secon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5991","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"}