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| 題名: | Measurement of the branching ratio of B ¯ →d (∗)τ- ν ¯ τ relative to B ¯ →d (∗) - ν ¯ decays with hadronic tagging at Belle |
| 作者: | 陳鎰鋒;Huschle, M.;Goldenzweig, P.;Abdesselam, A.;Adachi, I.;Asner, D. M.;Aushev, T.;Bakich, A. M.;Bhardwaj, V.;Bobrov, A.;Bozek, A.;Červenkov, D.;Chang, P.;Chistov, R.;Cho, K.;Chobanova, V.;Dalseno, J.;Danilov, M.;Doležal, Z.;Drásal, Z.;Dutta, D.;Fast, J. E.;Ferber, T.;Glattauer, R.;Golob, B.;Hamer, P.;Hara, K.;Hasenbusch, J.;Heller, A.;Hsu, C.-L.;Iijima, T.;Inami, K.;Inguglia, G.;Ishikawa, A.;Jaegle, I.;Joo, K. K.;Kang, K. H.;Katrenko, P.;Kawasaki, T.;Keck, T.;Kiesling, C.;Kim, D. Y.;Kim, J. H.;Kim, S. H.;Ko, B. R.;Kobayashi, N.;Kodyš, P.;Korpar, S.;Križan, P.;Krokovny, P.;Kuzmin, A.;Li, C.;Gioi, L. Li;Lukin, P.;Miyata, H.;Mizuk, R.;Mohanty, S.;Moll, A.;Mussa, R.;Nakamura, K. R.;Nakano, E.;Nakao, M.;Nayak, M.;Oswald, C.;Pakhlova, G.;Park, C. W.;Pedlar, T. K.;Petrič, M.;Ritter, M.;Sakai, Y.;Sanuki, T.;Sato, Y.;Schwanda, C.;Semmler, D.;Senyo, K.;Seon, O.;Sevior, M. E.;Shebalin, V.;Shibata, T.-A.;Shiu, J.-G.;Simon, F.;Solovieva, E.;Starič, M.;Stypula, J.;Teramoto, Y.;Uchida, M.;Uno, S.;Usov, Y.;Hulse, C. Van;Vanhoefer, P.;Varner, G.;Wang, X. L.;Watanabe, M.;Yamamoto, H.;Yamaoka, J.;Yashchenko, S.;Ye, H.;Yook, Y.;Yuan, C. Z.;Yusa, Y.;Zhang, Z. P. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | ddc:530;info:eu-repo/classification/ddc/530;Physics |
| 日期: | 2015-10-26 |
| 上傳時間: | 2026-04-23 12:12:27 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： We report a measurement of the branching fraction ratios R(D)(()*()) of (B) over bar -> D-(*())tau(-)(nu) over bar (tau) relative to (B) over bar -> D-(*())l(-)(nu) over barl (where l = e or mu) using the full Belle data sample of 772 x 10(6)B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The measured values are R(D) = 0.375 +/- 0.064(stat) +/- 0.026(syst) and R(D*) = 0.293 +/- 0.038 (stat) +/- 0.015 (syst). The analysis uses hadronic reconstruction of the tag-side B meson and purely leptonic t decays. The results are consistent with earlier measurements and do not show a significant deviation from the standard model prediction.
出版者： American Physical Society (APS)
出版日期： 2015-10-26
出處： Physical Review D, 2015-10, Vol.92 (7)
識別號： ISSN: 1550-7998
識別號： DOI: 10.1103/physrevd.92.072014 |
| 顯示於類別: | [物理學系] 期刊論文
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