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

journal contribution
posted on 2024-03-26, 03:31 authored by V Khachatryan, AM Sirunyan, A Tumasyan, W Adam, T Bergauer, M Dragicevic, J Erö, M Friedl, R Frühwirth, VM Ghete, C Hartl, N Hörmann, J Hrubec, M Jeitler, W Kiesenhofer, V Knünz, M Krammer, I Krätschmer, D Liko, I Mikulec, D Rabady, B Rahbaran, H Rohringer, R Schöfbeck, J Strauss, W Treberer-Treberspurg, W Waltenberger, CE Wulz, V Mossolov, N Shumeiko, J Suarez Gonzalez, S Alderweireldt, S Bansal, T Cornelis, EA De Wolf, X Janssen, A Knutsson, J Lauwers, S Luyckx, S Ochesanu, R Rougny, M Van De Klundert, H Van Haevermaet, P Van Mechelen, N Van Remortel, A Van Spilbeeck, F Blekman, S Blyweert, J D'Hondt, N Daci, N Heracleous, J Keaveney, S Lowette, M Maes, A Olbrechts, Q Python, D Strom, S Tavernier, W Van Doninck, P Van Mulders, GP Van Onsem, I Villella, C Caillol, B Clerbaux, G De Lentdecker, D Dobur, L Favart, APR Gay, A Grebenyuk, A Léonard, A Mohammadi, L Perniè, A Randle-Conde, T Reis, T Seva, L Thomas, C Vander Velde, P Vanlaer, J Wang, F Zenoni, V Adler, K Beernaert, L Benucci, A Cimmino, S Costantini, S Crucy, A Fagot, G Garcia, J McCartin, AA Ocampo Rios, D Poyraz, D Ryckbosch, S Salva Diblen, M Sigamani, N Strobbe, F Thyssen, M Tytgat, E Yazgan, N Zaganidis, S Basegmez
The double-differential cross sections of promptly produced J/ψ and ψ(2S) mesons are measured in pp collisions at s=7TeV, as a function of transverse momentum pT 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 4.90fb-1, respectively. The results are based on a two-dimensional analysis of the dimuon invariant mass and decay length, and extend to pT=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

History

Journal

Physical Review Letters

Volume

114

Article number

ARTN 191802

Location

United States

ISSN

0031-9007

eISSN

1079-7114

Language

English

Publication classification

C1.1 Refereed article in a scholarly journal

Issue

19

Publisher

AMER PHYSICAL SOC