J/[psi] production cross section and its dependence on charged-particle multiplicity in p+p collisions at √s=200 GeV
We present a measurement of inclusive J/ψ production at mid-rapidity (|y|<1) in p+p collisions at a center-of-mass energy of s=200 GeV with the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The differential production cross section for J/ψ as a function of transverse momentum (pT...
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| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
19 September 2018
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| In: |
Physics letters
Year: 2018, Jahrgang: 786, Pages: 87-93 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2018.09.029 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1016/j.physletb.2018.09.029 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269318307305 
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| Verfasserangaben: | STAR Collaboration, J. Adam, I.M. Deppner, N. Herrmann [und weitere] |
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| 245 | 1 | 0 | |a J/[psi] production cross section and its dependence on charged-particle multiplicity in p+p collisions at √s=200 GeV |c STAR Collaboration, J. Adam, I.M. Deppner, N. Herrmann [und weitere] |
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| 520 | |a We present a measurement of inclusive J/ψ production at mid-rapidity (|y|<1) in p+p collisions at a center-of-mass energy of s=200 GeV with the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The differential production cross section for J/ψ as a function of transverse momentum (pT) for 0<pT<14 GeV/c and the total cross section are reported and compared to calculations from the color evaporation model and the non-relativistic Quantum Chromodynamics model. The dependence of J/ψ relative yields in three pT intervals on charged-particle multiplicity at mid-rapidity is measured for the first time in p+p collisions at s=200 GeV and compared with that measured at s=7 TeV, PYTHIA8 and EPOS3 Monte Carlo generators, and the Percolation model prediction. | ||
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