Measurement of quarkonium production cross sections in pp collisions at root s=13 TeV
- The CMS collaboration
- Sirunyan, A. M.
- Eerola, P.
- Pekkanen, J.
- Voutilainen, M.
- Härkönen, J.
- Järvinen, T.
- Karimäki, V.
- Kinnunen, R.
- Lampén, T.
- Lassila-Perini, K.
- Lehti, S.
- Lindén, T.
- Luukka, P.
- Tuominen, E.
- Tuominiemi, J.
- Tuovinen, E.
- Talvitie, J.
- Tuuva, T.
DOIAbstract
Differential production cross sections of prompt J/psi and psi(2S) charmonium and Upsilon(nS) (n = 1, 2, 3) bottomonium states are measured in proton-proton collisions at root s = 13 TeV, with data collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb(-1) for the J/psi and 2.7 fb(-1) for the other mesons. The five quarkonium states are reconstructed in the dimuon decay channel, for dimuon rapidity vertical bar y vertical bar <1.2. The double-differential cross sections for each state are measured as a function of y and transverse momentum, and compared to theoretical expectations. In addition, ratios are presented of cross sections for prompt psi(2S) to J/psi, Upsilon(2S) to Upsilon(1S), and Upsilon(3...
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