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| 題名: | Constraints on parton distribution functions and extraction of the strong coupling constant from the inclusive jet cross section in pp collisions at √s = 7 TeV |
| 作者: | 林宗泰;Ghete, V. M.;Van Haevermaet, H.;Zaganidis, N.;Forthomme, L.;Nicolaou, C.;Lassila-Perini, K.;Lehti, S.;Tuuva, T.;Chierici, R.;Ille, B.;Brodski, M.;Dietz-Laursonn, E.;Millet, P.;Olschewski, M.;Reithler, H.;Calligaris, L.;Eichhorn, T.;Hempel, M.;Kieseler, J.;Seitz, C.;Walsh, R.;Lenz, T.;Baus, C.;Nürnberg, A.;Markou, A.;Ujvari, B.;Gupta, R.;Mukherjee, S.;Shukla, P.;Bhowmik, S.;Ganguly, S.;Guchait, M.;Sudhakar, K.;Zeinali, M.;Calabria, C.;Nuzzo, S.;Abbiendi, G.;Cavallo, F. R.;Chiorboli, M.;Gonzi, S.;Paganoni, M.;Buontempo, S.;Gasparini, U.;Ratti, S. P.;Fiori, F.;Oh, Y. D.;Park, H.;Jo, M.;Lee, K. S.;Boimska, B.;Brona, G.;Bunkowski, K.;Levchenko, P.;Uvarov, L.;Golubev, N.;Pozdnyakov, I.;Semenov, S.;Rusakov, S. V.;Josa, M. I.;Bendavid, J.;Hansen, M.;Magini, N.;Donegà, M.;Millan Mejias, B.;Chen, K. F.;Kao, K. Y.;Lucas, C.;Thea, A.;Dauncey, P.;Rogerson, S.;Richardson, C.;Berry, E.;Heintz, U.;Speer, T.;Shalhout, S.;Malberti, M.;Yagil, A.;Danielson, T.;Freeman, J.;Harris, R. M.;Lykken, J.;Sharma, S.;Whitmore, J.;Prosper, H.;Varelas, N.;Martin, C.;Gomez Ceballos, G.;Zhukova, V.;Avdeeva, E.;Trocino, D.;Kotov, K.;Werner, J. S.;Bortoletto, D.;Svyatkovskiy, A.;Roberts, J.;Ferbel, T.;Demortier, L.;Lee, S. W.;Melo, A.;Velkovska, J. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Astronomy;Astrophysics and Cosmology;Elementary Particles;Hadrons;Heavy Ions;Measurement Science and Instrumentation;Nuclear Energy;Nuclear Physics;Physics;Physics and Astronomy;Quantum Field Theories;Quantum Field Theory;Regular Article - Experimental Physics;String Theory |
| 日期: | 2015-06-27 |
| 上傳時間: | 2026-04-23 11:49:24 (UTC+8) |
| 出版者: | Springer New York;Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： The inclusive jet cross section for proton–proton collisions at a centre-of-mass energy of 7 TeV was measured by the CMS Collaboration at the LHC with data corresponding to an integrated luminosity of 5.0 fb - 1 . The measurement covers a phase space up to 2 TeV in jet transverse momentum and 2.5 in absolute jet rapidity. The statistical precision of these data leads to stringent constraints on the parton distribution functions of the proton. The data provide important input for the gluon density at high fractions of the proton momentum and for the strong coupling constant at large energy scales. Using predictions from perturbative quantum chromodynamics at next-to-leading order, complemented with electroweak corrections, the constraining power of these data is investigated and the strong coupling constant at the Z boson mass M Z is determined to be α S ( M Z ) = 0.1185 ± 0.0019 ( exp ) - 0.0037 + 0.0060 (theo) , which is in agreement with the world average.
其他題名： Eur. Phys. J. C
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2015-06-26
出處： The European physical journal. C, Particles and fields, 2015-06, Vol.75 (6)
資源來源： SpringerLink Journals Open Access
版權： CERN for the benefit of the CMS collaboration 2015
識別號： ISSN: 1434-6044
識別號： EISSN: 1434-6052
識別號： DOI: 10.1140/epjc/s10052-015-3499-1 |
| 顯示於類別: | [物理學系] 期刊論文
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