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| 題名: | Measurement of the cross section for production of bb̄X decaying to muons in pp collisions at √ s = 7 TeV |
| 作者: | 張元翰;Chatrchyan, S.;Gonzalez, J. Suarez;Cornelis, T.;Lellouch, J.;Walsh, S.;Giammanco, A.;Mundim, L.;Mercadante, P. G.;Litov, L.;Polic, D.;Müntel, M.;Givernaud, A.;Bianchini, L.;Brom, J.-M.;Collard, C.;Drouhin, F.;Sordini, V.;Zhukov, V.;Erdmann, M.;Reithler, H.;Geenen, H.;Behrenhoff, W.;Knutsson, A.;Schmidt, R.;Blobel, V.;Hermanns, T.;Schleper, P.;Komaragiri, J. R.;Troendle, D.;Ziebarth, E. B.;Loukas, D.;Singh, J.;Parida, B.;Chhibra, S. S.;Perrotta, A.;Paoletti, S.;Colafranceschi, S.;Martelli, A.;Dogangun, O.;Lista, L.;Nespolo, M.;Broccolo, G.;Dell’Orso, R.;Pelliccioni, M.;Kim, G. N.;Ro, S. R.;Kim, M. S.;Lee, J.;Villalba, R. Magaña;Villasenor-Cendejas, L. M.;Szleper, M.;Uvarov, L.;Golubev, N.;Boos, E.;Sobol, A.;Lopez, O. Gonzalez;Romero, L.;Jorda, C.;Abbaneo, D.;Lecoq, P.;Petrilli, A.;Segoni, I.;Stoye, M.;Nägeli, C.;Peruzzi, M.;Lu, Y. J.;Sogut, K.;Guler, A. M.;Frazier, R.;Olaiya, E.;Iles, G.;Papageorgiou, A.;Rohlf, J.;Caulfield, M.;Erhan, S.;Luthra, A.;Golf, F.;Wagner, S. R.;Mirman, N.;Burkett, K.;Spalding, W. J.;Zakaria, M.;Haas, J.;Prosper, H.;Veeraraghavan, V.;Cavanaugh, R.;Khalatyan, S.;Stringer, R.;Makouski, M.;Chan, M.;Stephans, G. S. F.;Cooper, S. I.;Jindal, P.;Eshaq, Y.;Goldenzweig, P.;Somalwar, S.;Spanier, S.;Osipenkov, I.;Francis, B.;Anderson, M. |
| 貢獻者: | 理學院物理學系 |
| 日期: | 2012-01-01 |
| 上傳時間: | 2026-04-23 12:13:09 (UTC+8) |
| 出版者: | Springer Science and Business Media LLC |
| 摘要: | 摘要： AbstractA measurement of the inclusive cross section for the process pp → <jats:inline-formula>$ {\text{b}}\overline {\text{b}} {\text{X}} $</jats:inline-formula> → μμX′ at <jats:inline-formula>$ \sqrt {s} = 7 $</jats:inline-formula> TeV is presented, based on a data sample corresponding to an integrated luminosity of 27.9 pb−1 collected by the CMS experiment at the LHC. By selecting pairs of muons each with pseudorapidity |η| < 2.1, the value σ(pp → <jats:inline-formula>$ {\text{b}}\overline {\text{b}} {\text{X}} $</jats:inline-formula> → μμX′) = 26.4 ± 0.1 (stat.) ±2.4 (syst.) ±1.1 (lumi.) nb is obtained for muons with transverse momentum pT > 4 GeV, and 5.12 ± 0.03 (stat.) ± 0.48 (syst.) ± 0.20 (lumi.) nb for pT > 6 GeV. These results are compared to QCD predictions at leading and next-to-leading orders.
出版者： Springer Science and Business Media LLC
出版日期： 2012-06
出處： Journal of High Energy Physics, 2012-06, Vol.2012 (6), Article 110
資源來源： Publicly available content database
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/jhep06(2012)110 |
| 顯示於類別: | [物理學系] 期刊論文
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