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| 題名: | First model-independent Dalitz analysis of B0 → DK∗0, D → KS π+π-decay |
| 作者: | 陳鎰鋒;Kang, K. H.;Moon, H. K.;Libby, J.;Yashchenko, S.;Kumita, T.;Dolezal, Zdenek;Urquijo, Phillip;Park, H.;Chekelian, V.;Miyabayashi, K.;Wang, P.;Lange, J. S.;Kim, Yongsun;Pal, B.;Zhulanov, Vladimir;Nayak, M.;Yamamoto, Hitoshi;Stanič, Samo;Miyata, H.;Browder, T. E.;Kwon, Y. J.;Chistov, R.;Fast, James E.;Kawasaki, T.;Pakhlova, G.;Lewis, Philip;Kodys, Peter;Farhat, H.;Sevior, M. E.;Starič, M.;Hulse, C. Van;Ayad, R.;Wang, X. L.;Iwasaki, Y.;Getzkow, D.;Ko, B. R.;Matvienko, D.;Tamponi, U.;Chen, A.;Garmash, A.;Liventsev, D.;Nanut, T.;Ritter, M.;Choi, S. K.;Sohn, Y. S.;Sakai, Y.;Pedlar, T. K.;Negishi, K.;Itoh, R.;Jaegle, I.;Ogawa, S.;Babu, V.;Vossen, A.;Gioi, L. Li;Julius, T.;Goh, Y. M.;Krokovny, P.;Steder, M.;Yamaoka, J.;Zupanc, A.;Asner, D. M.;Okuno, S.;Ferber, T.;Sato, Yuki;Abdesselam, A.;Drutskoy, A.;Uno, S.;Hayasaka, K.;Ribezl, E.;Bračko, M.;Aulchenko, V.M.;Ishikawa, A.;Goldenzweig, P.;Shiu, J. G.;Cinabro, D.;Horiguchi, Tsuyoshi;Li, Yang;Korpar, S.;Aihara, Hiroaki;Pestotnik, R.;Said, A. Al;Teramoto, Y.;Park, C. W.;Chobanova, V.;Kim, M. J.;Haba, J.;Barberio, E. L.;Masuda, M.;Wang, M. Z.;Sanuki, T.;Solovieva, E.;Iijima, T.;Bozek, A.;Schneider, O.;Krizan, P.;Bahinipati, Seema;Mohanty, G. B.;Fulsom, B. G.;Senyo, K.;Danilov, Mikhail |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | B0 --> D K;B0: hadronic decay;B: pair production;BELLE;D0 --> K0(S) pi+ pi;D: hadronic decay;Dalitz plot;electron positron: annihilation;electron positron: colliding beams;experimental results;High Energy Physics - Experiment;info:eu-repo/classification/ddc/530;KEK-B;Upsilon |
| 日期: | 2016-04-01 |
| 上傳時間: | 2026-04-23 11:55:49 (UTC+8) |
| 出版者: | Oxford University Press;Oxford University Press (OUP) |
| 摘要: | 摘要： We report a measurement of the amplitude ratio $r_S$ of $B^0 \to D^0K^{*0}$ and $B^0 \to \bar{D^0}K^{*0}$ decays with a Dalitz analysis of $D\to K_S^0\pi^+\pi^-$ decays, for the first time using a model-independent method. We set an upper limit $r_S < 0.87$ at the 68\% confidence level, using the full data sample of $772\times10^6$ $B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+e^-$ collider. This result is obtained from observables $x_- = +0.4 ^{+1.0 +0.0}_{-0.6 -0.1} \pm0.0$, $y_- = -0.6 ^{+0.8 +0.1}_{-1.0 -0.0} \pm0.1$, $x_+ = +0.1 ^{+0.7 +0.0}_{-0.4 -0.1} \pm0.1$ and $y_+ = +0.3 ^{+0.5 +0.0}_{-0.8 -0.1} \pm0.1$, where $x_\pm = r_S \cos(\delta_S \pm \phi_3)$, $y_\pm = r_S \sin(\delta_S \pm \phi_3)$ and $\phi_3~(\delta_S)$ is the weak (strong) phase difference between $B^0 \to D^0K^{*0}$ and $B^0 \to \bar{D^0}K^{*0}$. Comment: arXiv admin note: substantial text overlap with arXiv:1502.07550
出版者： Oxford University Press (OUP)
出版日期： 2016-04-01
出處： Progress of Theoretical and Experimental Physics, 2016-04, Vol.2016, p.043C01-
資源來源： Publicly Available Content Database
識別號： EISSN: 2050-3911
識別號： DOI: 10.1093/ptep/ptw030 |
| 顯示於類別: | [物理學系] 期刊論文
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