Energy dependence of forward-rapidity J/[psi] and [psi](2S) production in pp collisions at the LHC
We present results on transverse momentum (pTpTp_{\mathrm {\textsc {t}}}) and rapidity (yyy) differential production cross sections, mean transverse momentum and mean transverse momentum square of inclusive J/ψJ/ψ\mathrm {J}/\psi and ψ(2S)ψ(2S)\psi \mathrm {(2S)} at forward rapidity (2.5<y<42....
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
14 June 2017
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| In: |
The European physical journal. C, Particles and fields
Year: 2017, Jahrgang: 77, Heft: 6 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-017-4940-4 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1140/epjc/s10052-017-4940-4 Verlag, kostenfrei, Volltext: https://doi.org/10.1140/epjc/s10052-017-4940-4 
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| Verfasserangaben: | ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a Energy dependence of forward-rapidity J/[psi] and [psi](2S) production in pp collisions at the LHC |c ALICE Collaboration* |
| 246 | 3 | 0 | |a ψ |
| 264 | 1 | |c 14 June 2017 | |
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| 500 | |a Im Titel wird "psi" als griechischer Buchstabe dargestellt | ||
| 500 | |a The ALICE Collaboration: S. Acharya, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, P. Glässel, J. Kim, S. Klewin, L. Leardini, J. Mercado Pérez, H. Oeschler, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M.O. Schmidt, J. Stachel, D.F. Weiser, J. Wilkinson, B. Windelband, A. Zimmermann [und weitere] | ||
| 500 | |a Gesehen am 28.09.2018 | ||
| 520 | |a We present results on transverse momentum (pTpTp_{\mathrm {\textsc {t}}}) and rapidity (yyy) differential production cross sections, mean transverse momentum and mean transverse momentum square of inclusive J/ψJ/ψ\mathrm {J}/\psi and ψ(2S)ψ(2S)\psi \mathrm {(2S)} at forward rapidity (2.5<y<42.5<y<42.5<y<4) as well as ψ(2S)ψ(2S)\psi \mathrm {(2S)}-to-J/ψJ/ψ\mathrm {J}/\psi cross section ratios. These quantities are measured in pp collisions at center of mass energies s√=5.02s=5.02\sqrt{s}\,=5.02 and 13 TeV with the ALICE detector. Both charmonium states are reconstructed in the dimuon decay channel, using the muon spectrometer. A comprehensive comparison to inclusive charmonium cross sections measured at s√=2.76s=2.76\sqrt{s}\,=2.76, 7 and 8 TeV is performed. A comparison to non-relativistic quantum chromodynamics and fixed-order next-to-leading logarithm calculations, which describe prompt and non-prompt charmonium production respectively, is also presented. A good description of the data is obtained over the full pTpTp_{\mathrm {\textsc {t}}} range, provided that both contributions are summed. In particular, it is found that for pT>15pT>15p_{\mathrm {\textsc {t}}}>15 GeV/c the non-prompt contribution reaches up to 50% of the total charmonium yield. | ||
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