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One neutral B meson is reconstructed in a J/psi K0S, psi(2S) K0S, chi_c1 K0S or J/psi K0L CP-eigenstate and its flavor is identified from the decay products of the accompanying B meson. From the distribution of proper time intervals between the two B decays, we obtain the following CP violation parameters: sin2phi_1=0.667"},"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":"1201.4643","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2012-01-23T08:22:20Z","cross_cats_sorted":[],"title_canon_sha256":"924ec9f4a4058e1791d9839ab3a31024391b99eb7cea8aa5dd221aa14a3033d4","abstract_canon_sha256":"ee47119431996ddb8ba848dd4821a21036aab73d8fee8407dc98e56db3522043"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:38:05.071170Z","signature_b64":"AwPZAOsW7A7/vBxQpkxHtsYKfTCz6lHR/2TbqSQDB0BVmbj6XsEJnFEGJCfpVYR6PqltAt6TAZ+NIE0DRrRaBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab6708014369154b6f8268b1ab60c021387812acf112564d6a8bd899897ba48b","last_reissued_at":"2026-05-18T03:38:05.070595Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:38:05.070595Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Precise measurement of the CP violation parameter sin2phi_1 in B0-->(c\\bar c)K0 decays","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A.Bay, A.Bondar, A.Bozek, A.Garmash, A.Ishikawa, A.J.Schwartz, A.Kuzmin, A.M.Bakich, A.Poluektov, A.Sibidanov, A.Sokolov, A.Vinokurova, A.Zupanc, B.Bhuyan, B.D.Yabsley, Belle Collaboration: I.Adachi, B.G.Cheon, B.Golob, B.R.Ko, B.Shwartz, C.H.Wang, C.Kiesling, C.Liu, C.P.Shen, C.Schwanda, D.Epifanov, D.Liventsev, D.M.Asner, D.Matvienko, E.Nakano, E.Solovieva, E.Won, F.Simon, G.B.Mohanty, G.Pakhlova, G.Tatishvili, G.Varner, H.Aihara, H.Hayashii, H.J.Hyun, H.J.Kim, H.Kichimi, H.K.Park, H.Miyata, H.Nakazawa, H.O.Kim, H.Ozaki, H.Sahoo, H.Yamamoto, I.Tikhomirov, J.B.Kim, J.B.Singh, J.Dalseno, J.E.Fast, J.-G.Shiu, J.Haba, J.H.Kim, J.Li, J.S.Lange, K.Chilikin, K.Cho, K.E.Varvell, K.Hara, K.Hayasaka, K.Kinoshita, K.Miyabayashi, K.M.Williams, K.Nishimura, K.Sakai, K.Senyo, K.S.Park, K.Sumisawa, K.T.Kim, K.Trabelsi, L.E.Piilonen, M.Bischofberger, M.Bracko, M.Danilov, M.Iwabuchi, M.Nakao, M.Petric, M.Rohrken, M.Rozanska, M.Staric, M.Sumihama, M.Uchida, M.Watanabe, M.Yamauchi, M.-Z.Wang, N.Gabyshev, N.Katayama, N.Muramatsu, O.Nitoh, O.Schneider, O.Zyukova, P.Chen, P.Kapusta, P.Kody\\v{s}, P.Krizan, P.Krokovny, P.Pakhlov, P.Smerkol, P.Wang, R.Chistov, R.Itoh, R.Kumar, R.Louvot, R.Mizuk, R.Pestotnik, S.Eidelman, S.E.Vahsen, S.-H.Lee, S.-K.Choi, S.Koblitz, S.Korpar, S.L.Olsen, S.McOnie, S.Neubauer, S.Nishida, S.Ogawa, S.Okuno, S.Stanic, S.Tanaka, S.Uehara, S.Uno, T.-A.Shibata, T.Aushev, T.Aziz, T.E.Browder, T.Hara, T.Higuchi, T.Iijima, T.Iwashita, T.Julius, T.Kawasaki, T.K.Pedlar, T.Kuhr, T.Kumita, T.Mori, T.Ohshima, T.Sanuki, T.Sumiyoshi, T.Tsuboyama, T.Uglov, V.Aulchenko, V.Bhardwaj, V.Gaur, V.Shebalin, V.Zhilich, W.-S.Hou, Y.B.Hsiung, Y.Choi, Y.Horii, Y.Hoshi, Y.Iwasaki, Y.J.Kim, Y.-J.Kwon, Y.Li, Y.Liu, Y.M.Goh, Y.Miyazaki, Y.Onuki, Y.Sakai, Y.Sato, Y.-S.Sohn, Y.Teramoto, Y.Unno, Y.Ushiroda, Y.Watanabe, Y.Yamashita, Y.Yusa, Z.Dolezal, Z.Drasal, Z.P.Zhang, Z.Q.Liu","submitted_at":"2012-01-23T08:22:20Z","abstract_excerpt":"We present a precise measurement of the CP violation parameter sin2phi_1 and the direct CP violation parameter A_f using the final data sample of 772x10^6 B\\bar B pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. One neutral B meson is reconstructed in a J/psi K0S, psi(2S) K0S, chi_c1 K0S or J/psi K0L CP-eigenstate and its flavor is identified from the decay products of the accompanying B meson. 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