Measurement of J /ψ and ψ (2S) prompt double-differential cross sections in pp collisions at s =7TeV

Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/105205

Title:	Measurement of J /ψ and ψ (2S) prompt double-differential cross sections in pp collisions at s =7TeV
Authors:	余欣珊;Friedl, M;Hörmann, N;Liko, D;Van Mulders, P;Vanlaer, P;Costantini, S;Pagano, D;Aldá Júnior, W L;Aleksandrov, A;Vutova, M;Godinovic, N;Lampén, T;Faure, J L;Titov, M;Chapon, E;Sirois, Y;Brom, J-M;Goetzmann, C;Vargas Trevino, A D R;Stadie, H;Butz, E;De Boer, W;Nürnberg, A;Anagnostou, G;Ahuja, S;Dugad, S;Colaleo, A;Nuzzo, S;Cavallo, F R;Iorio, A O M;Ronchese, P;Giassi, A;Musich, M;Marone, M;Kim, J Y;Zalewski, P;Cwiok, M;Beirão Da Cruz E Silva, C;Rodrigues Antunes, J;Palichik, V;Escalante Del Valle, A;Duarte Campderros, J;Vilar Cortabitarte, R;Dabrowski, A;Mersi, S;Petrucciani, G;Hits, D;Pauss, F;Hou, W-S;Bilin, B;Bilmis, S;Surat, U E;Kaya, M;Meng, Z;Paramesvaran, S;Fulcher, J;Avetisyan, A;Mao, Z;Erbacher, R;Wilbur, S;Takasugi, E;Simon, S;Stuart, D;Chen, Y;Luiggi Lopez, E;Skinnari, L;Cheung, H W K;Grünendahl, S;Mason, D;Mrenna, S;Newman-Holmes, C;Snowball, M;Hewamanage, S;Adams, T;Prosper, H;Penzo, A;Wood, J S;Hadley, N J;Lee, Y-J;Paus, C;Kao, S C;Morse, D M;Wood, D;Brinkerhoff, A;Wayne, M;Brinson, J;Hart, A;Ling, T Y;Wulsin, H W;Duggan, D;Pakhotin, Y;Akchurin, N;Goodell, J;Lamichhane, P;Sturdy, J;Hall-Wilton, R;Lazaridis, C;Levine, A;Perry, T;Polese, G
Contributors:	理學院物理學系
Date:	2015-05-14
Issue Date:	2026-04-23 12:10:57 (UTC+8)
Abstract:	摘要： The double-differential cross sections of promptly produced J/ψ and ψ(2S) mesons are measured in pp collisions at sqrt[s]=7 TeV, as a function of transverse momentum p_{T} and absolute rapidity \|y\|. The analysis uses J/ψ and ψ(2S) dimuon samples collected by the CMS experiment, corresponding to integrated luminosities of 4.55 and 4.90 fb^{-1}, respectively. The results are based on a two-dimensional analysis of the dimuon invariant mass and decay length, and extend to p_{T}=120 and 100 GeV for the J/ψ and ψ(2S), respectively, when integrated over the interval \|y\|<1.2. The ratio of the ψ(2S) to J/ψ cross sections is also reported for \|y\|<1.2, over the range 10<p_{T}<100 GeV. These are the highest p_{T} values for which the cross sections and ratio have been measured.The double-differential cross sections of promptly produced J/ψ and ψ(2S) mesons are measured in pp collisions at sqrt[s]=7 TeV, as a function of transverse momentum p_{T} and absolute rapidity \|y\|. The analysis uses J/ψ and ψ(2S) dimuon samples collected by the CMS experiment, corresponding to integrated luminosities of 4.55 and 4.90 fb^{-1}, respectively. The results are based on a two-dimensional analysis of the dimuon invariant mass and decay length, and extend to p_{T}=120 and 100 GeV for the J/ψ and ψ(2S), respectively, when integrated over the interval \|y\|<1.2. The ratio of the ψ(2S) to J/ψ cross sections is also reported for \|y\|<1.2, over the range 10<p_{T}<100 GeV. These are the highest p_{T} values for which the cross sections and ratio have been measured. 出版日期： 2015-05-15 出處： Physical review letters, 2015-05, Vol.114 (19), p.191802 資源來源： American Physical Society Journals 識別號： ISSN: 1079-7114 識別號： EISSN: 1079-7114 識別號： DOI: 10.1103/PhysRevLett.114.191802
Appears in Collections:	[Department of Physics] journal & Dissertation

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