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| 題名: | Measurement of the λb0 lifetime in pp collisions at √s=7 TeV |
| 作者: | 林宗泰;Chatrchyan, S.;Waltenberger, W.;Kalogeropoulos, A.;Lellouch, J.;Liang, D.;Zou, W.;Fedi, G.;Lassila-Perini, K.;Besancon, M.;Beaudette, F.;Charlot, C.;Dahms, T.;Agram, J.-L.;Lethuillier, M.;Sordini, V.;Haj Ahmad, W.;Calligaris, L.;Kasemann, M.;Petrukhin, A.;Görner, M.;Komaragiri, J. R.;Wagner-Kuhr, J.;Panagiotou, A.;Flouris, G.;Kaur, M.;Chatterjee, K.;Khurana, R.;Arfaei, H.;Etesami, S. M.;Brigliadori, L.;Masetti, G.;Gonzi, S.;De Cosa, A.;Lazzizzera, I.;Nappi, A.;Androsov, K.;Boccali, T.;Vernieri, C.;Migliore, E.;Tamponi, U.;Candelise, V.;Della Ricca, G.;Kim, G. N.;Gyun, D.;Kwon, E.;Szleper, M.;Doroba, K.;Konecki, M.;Ivanov, Y.;Gavrilov, V.;Mesyats, G.;Krpic, D.;Milosevic, J.;Redondo, I.;Baillon, P.;Rolandi, G.;Schwick, C.;Tsirou, A.;Kaestli, H. C.;Dittmar, M.;Moortgat, F.;Peruzzi, M.;Weber, H. A.;Robmann, P.;Chang, Y. W.;Lu, R.-S.;Asavapibhop, B.;Suwonjandee, N.;Hos, I.;Tomalin, I. R.;Pioppi, M.;Cox, P. T.;Schlein, P.;Babb, J.;Cerati, G. B.;Macneill, I.;Yoo, J.;Danielson, T.;Justus, C.;Kunori, S.;Lipton, R.;Musienko, Y.;O’Dell, V.;Uplegger, L.;Konigsberg, J.;Gerber, C. E.;De Benedetti, A.;Franzoni, G.;Singovsky, A.;Cremaldi, L. M.;Bose, S.;Snow, G. R.;Kumar, A.;Orimoto, T.;Miller, D. H.;Yoo, H. D.;Ecklund, K. M.;Gershtein, Y.;Hollingsworth, M.;Smith, W. H. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | High Energy Physics - Experiment;Physics |
| 日期: | 2013-08-22 |
| 上傳時間: | 2026-04-23 12:23:36 (UTC+8) |
| 出版者: | United States: Springer |
| 摘要: | 摘要: A measurement of the$ \Lambda_{\mathrm{b}}^0 $lifetime using the decay$ {{{\Lambda_{\mathrm{b}}^0\to J}} \left/ {{\psi \varLambda }} \right.} $in protonproton collisions at$ \sqrt{s}=7 $TeV is presented. The data set, corresponding to an integrated luminosity of about 5 fb −1 , was recorded with the CMS experiment at the Large Hadron Collider using triggers that selected dimuon events in the J/ ψ mass region. The$ \Lambda_{\mathrm{b}}^0 $lifetime is measured to be 1.503 ± 0.052 (stat.) ± 0.031 (syst.) ps. 出版者: United States: Springer 出版日期: 2013-07 出處: The journal of high energy physics, 2013-07, Vol.2013 (7), Article 163 資源來源: ProQuest Open Access Content Collection 版權: CC0 1.0 - Universal 識別號: ISSN: 1029-8479 識別號: ISSN: 1126-6708 識別號: ISSN: 1127-2236 識別號: EISSN: 1029-8479 識別號: DOI: 10.1007/JHEP07(2013)163 |
| 顯示於類別: | [物理學系] 期刊論文
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