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Acharya, Shreyasi
[Verfasser:in];
Angelov, Venelin
[Verfasser:in];
Arslandok, Mesut
[Verfasser:in];
Danisch, Meike
[Verfasser:in];
Deisting, Alexander
[Verfasser:in];
Glässel, Peter
[Verfasser:in];
Kim, Jiyoung
[Verfasser:in];
Klewin, Sebastian
[Verfasser:in];
Leardini, Lucia
[Verfasser:in];
Mercado Pérez, Jorge
[Verfasser:in];
Oeschler, Helmut
[Verfasser:in];
Ohlson, Alice
[Verfasser:in];
Pachmayer, Yvonne C.
[Verfasser:in];
Reygers, Klaus
[Verfasser:in];
Schicker, Rainer
[Verfasser:in];
Schmidt, Marten Ole
[Verfasser:in];
Stachel, Johanna
[Verfasser:in];
Weiser, Dennis
[Verfasser:in];
Wilkinson, Jeremy
[Verfasser:in];
Windelband, Bernd
[Verfasser:in];
Zimmermann, Alice
[Verfasser:in]
;
ALICE Körperschaft
Energy dependence of forward-rapidity J/[psi] and [psi](2S) production in pp collisions at the LHC
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- Medientyp: E-Artikel
- Titel: Energy dependence of forward-rapidity J/[psi] and [psi](2S) production in pp collisions at the LHC
- Beteiligte: Acharya, Shreyasi [Verfasser:in]; Angelov, Venelin [Verfasser:in]; Arslandok, Mesut [Verfasser:in]; Danisch, Meike [Verfasser:in]; Deisting, Alexander [Verfasser:in]; Glässel, Peter [Verfasser:in]; Kim, Jiyoung [Verfasser:in]; Klewin, Sebastian [Verfasser:in]; Leardini, Lucia [Verfasser:in]; Mercado Pérez, Jorge [Verfasser:in]; Oeschler, Helmut [Verfasser:in]; Ohlson, Alice [Verfasser:in]; Pachmayer, Yvonne C. [Verfasser:in]; Reygers, Klaus [Verfasser:in]; Schicker, Rainer [Verfasser:in]; Schmidt, Marten Ole [Verfasser:in]; Stachel, Johanna [Verfasser:in]; Weiser, Dennis [Verfasser:in]; Wilkinson, Jeremy [Verfasser:in]; Windelband, Bernd [Verfasser:in]; Zimmermann, Alice [Verfasser:in]
-
Erschienen:
14 June 2017
- Erschienen in: The European physical journal. C, Particles and fields ; 77(2017,6) Artikel-Nummer 392, 21 Seiten
- Sprache: Englisch
- DOI: 10.1140/epjc/s10052-017-4940-4
- Identifikator:
- Entstehung:
-
Anmerkungen:
Im Titel wird "psi" als griechischer Buchstabe dargestellt
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]
- Beschreibung: 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.
- Zugangsstatus: Freier Zugang