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| 題名: | Measurement of the mass of the top quark in decays with a J/ψ meson in pp collisions at 8 TeV |
| 作者: | 余欣珊;Beluffi, C.;Vidal Marono, M.;Chinellato, J.;Ruiz Vargas, J. C.;Rodozov, M.;Cabrera, A.;Godinovic, N.;Finger, M.;El-khateeb, E.;Collard, C.;Chierici, R.;Contardo, D.;Gouzevitch, M.;Autermann, C.;Lipinski, M.;Merschmeyer, M.;Stahl, A.;Gallo, E.;Mittag, G.;Mussgiller, A.;Garutti, E.;Giffels, M.;Müller, Th;Kyriakis, A.;Veszpremi, V.;Szillasi, Z.;Singh, J. B.;Kumar, Ashok;Garg, R. B.;Mukhopadhyay, S.;Roy, A.;Bhowmik, S.;Khakzad, M.;Naseri, M.;Paktinat Mehdiabadi, S.;Selvaggi, G.;Di Mattia, A.;Manzoni, R. A.;Ciangottini, D.;Leonardi, R.;Bagliesi, G.;Palla, F.;Tonelli, G.;Arcidiacono, R.;Cossutti, F.;Lee, S.;Walczak, M.;Gavrilenko, M.;Moisenz, P.;Kuznetsova, E.;Andreev, V.;Alcaraz Maestre, J.;Escalante Del Valle, A.;Puerta Pelayo, J.;Castello, R.;David, A.;Hoss, J.;Doan, T. H.;Asavapibhop, B.;Karapinar, G.;Cussans, D.;Brown, R. M.;Coughlan, J. A.;Shepherd-Themistocleous, C. H.;Lucas, R.;Virdee, T.;Liu, H.;Ricci-Tam, F.;Stolp, D.;Ellison, J.;Hanson, G.;Jandir, P.;Letts, J.;Anderson, D.;Banerjee, S.;Rakness, G.;Carnes, A.;Ma, P.;Baarmand, M. M.;Roy, T.;Ozok, F.;Kropivnitskaya, A.;Tapia Takaki, J. D.;Saini, L. K.;Baron, O.;Belloni, A.;Jabeen, S.;Kamalieddin, R.;Wood, D.;Kubik, A.;Musienko, Y.;Malik, S.;Stupak, J.;Geurts, F. J. M.;Padley, B. P.;Duh, Y. t.;Rose, A.;Tuo, S.;Ruggles, T.;Taylor, D. |
| 貢獻者: | 理學院物理學系 |
| 關鍵詞: | Channels;Classical and Quantum Gravitation;Collisions;Decay;Elementary Particles;Hadron-Hadron scattering (experiments);High Energy Physics - Experiment;Large Hadron Collider;Muons;Physics;Physics and Astronomy;PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;Quantum Field Theories;Quantum Field Theory;Quantum Physics;Quarks;Regular Article - Experimental Physics;Relativity Theory;Solenoids;String Theory;Texts;top physics |
| 日期: | 2016-12-01 |
| 上傳時間: | 2026-04-23 12:15:04 (UTC+8) |
| 出版者: | Berlin/Heidelberg: Springer Berlin Heidelberg |
| 摘要: | 摘要： A bstract A first measurement of the top quark mass in the decay channel t → (W → ℓν ) (b → J/ ψ + X → μ + μ − + X) is presented. The analysis uses events selected from the proton-proton collisions recorded by the CMS detector at the LHC at a center-of-mass energy of 8 TeV. The data correspond to an integrated luminosity of 19.7 fb −1 , with 666 t t ¯ and single top quark candidate events containing a reconstructed J/ ψ candidate decaying into an oppositely-charged muon pair. The mass of the (J/ ψ + ℓ) system, where ℓ is an electron or a muon from W boson decay, is used to extract a top quark mass of 173.5 ± 3.0 (stat) ± 0.9 (syst) GeV.
其他題名： J. High Energ. Phys
出版者： Berlin/Heidelberg: Springer Berlin Heidelberg
出版日期： 2016-12-22
出處： JHEP, 2016-12, Vol.2016 (12), p.1-39, Article 123
資源來源： Publicly Available Content Database
版權： The Author(s) 2016
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/JHEP12(2016)123 |
| 顯示於類別: | [物理學系] 期刊論文
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