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| 題名: | Search for time-dependent CPT violation in hadronic and semileptonic B decays |
| 作者: | 陳鎰鋒;Higuchi, T;Sumisawa, K;Aihara, H;Aulchenko, V;Aushev, T;Bakich, A. M;Bay, A;Bhardwaj, V;Bondar, A;Bračko, M;Browder, T. E;Chen, A;Chen, P;Chistov, R;Cho, I.-S;Choi, S.-K;Doleal, Z;Drásal, Z;Eidelman, S;Gabyshev, N;Garmash, A;Golob, B;Haba, J;Hoshi, Y;Hou, W.-S;Hyun, H. J;Inami, K;Ishikawa, A;Itoh, R;Iwasaki, Y;Iwashita, T;Julius, T;Kang, J. H;Kapusta, P;Kawasaki, T;Kiesling, C;Kim, J. B;Kim, K. T;Kim, Y. J;Ko, B. R;Koblitz, S;Kody, P;Korpar, S;Krian, P;Krokovny, P;Kwon, Y.-J;Lee, S.-H;Li, J;Liu, C;Liu, Z. Q;Louvot, R;Matvienko, D;Miyabayashi, K;Muramatsu, N;Nishimura, K;Nitoh, O;Ohshima, T;Olsen, S. L;Onuki, Y;Pakhlov, P;Pakhlova, G;Park, K. S;Piilonen, L. E;Prim, M;Röhrken, M;Ryu, S;Sato, Y;Schwartz, A. J;Seidl, R;Sevior, M. E;Shapkin, M;Shebalin, V;Shen, C. P;Shiu, J.-G;Sinha, R;Smerkol, P;Sohn, Y.-S;Solovieva, E;Stanič, S;Starič, M;Sumihama, M;Sumiyoshi, T;Tanaka, S;Tatishvili, G;Tsuboyama, T;Uchida, M;Uehara, S;Unno, Y;Uno, S;Urquijo, P;Varvell, K. E;Vinokurova, A;Vorobyev, V;Wang, P;Wang, X. L;Watanabe, M;Yabsley, B. D;Yamamoto, H;Yusa, Y;Zhilich, V |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | ddc:530;FOS: Physical sciences;High Energy Physics - Experiment;High Energy Physics - Experiment (hep-ex);info:eu-repo/classification/ddc/530;Physics |
| 日期: | 2012-04-24 |
| 上傳時間: | 2026-04-23 14:13:27 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： We report a new sensitive search for CPT violation, which includes improved measurements of the CPT-violating parameter z and the total decay-width difference normalized to the averaged width DeltaGamma_d/Gamma_d of the two Bd mass eigenstates. The results are based on a data sample of 535 x 10^6 BBbar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^+e^- collider. We obtain Re(z) = [+1.9 +/- 3.7 (stat) +/- 3.3 (syst)] x 10^{-2}, Im(z) = [-5.7 +/- 3.3 (stat) +/- 3.3 (syst)] x 10^{-3}, and DeltaGamma_d/Gamma_d = [-1.7 +/- 1.8 (stat) +/- 1.1 (syst)] x 10^{-2}, all of which are consistent with zero. This is the most precise single measurement of these parameters in the neutral B-meson system to date. 7 pages, 3 figures, 2 tables, LaTeX; addition of supplemental information, corrections of typos, results unchanged
出版者： American Physical Society (APS)
出版日期： 2012-04-24
出處： Physical Review D, 2012-04, Vol.85
識別號： ISSN: 1550-7998
識別號： EISSN: 1550-2368
識別號： DOI: 10.48550/arxiv.1203.0930
識別號： DOI: 10.1103/physrevd.85.071105 |
| 顯示於類別: | [物理學系] 期刊論文
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