Inclusive J/ψ production at midrapidity in pp collisions at √s = 13 TeV
We report on the inclusive $$\text {J}/\psi $$production cross section measured at the CERN Large Hadron Collider in proton-proton collisions at a center-of-mass energy $$\sqrt{s}~=~13$$ TeV. The $$\text {J}/\psi $$mesons are reconstructed in the $$\text {e}^{+}\text {e}^{-}$$decay channel and the m...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
21 December 2021
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| In: |
The European physical journal. C, Particles and fields
Year: 2021, Jahrgang: 81, Heft: 12, Pages: 1-18 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-021-09873-4 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1140/epjc/s10052-021-09873-4
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| Verfasserangaben: | Alice Collaboration* |
MARC
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| 245 | 1 | 0 | |a Inclusive J/ψ production at midrapidity in pp collisions at √s = 13 TeV |c Alice Collaboration* |
| 246 | 3 | 3 | |a Inclusive J/psi production at midrapidity in pp collisions at square root s = 13 TeV |
| 264 | 1 | |c 21 December 2021 | |
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| 500 | |a ALICE Collaboration: S. Acharya, V. Anguelov, A. Berdnikova und viele weitere | ||
| 500 | |a Gesehen am 17.03.2022 | ||
| 520 | |a We report on the inclusive $$\text {J}/\psi $$production cross section measured at the CERN Large Hadron Collider in proton-proton collisions at a center-of-mass energy $$\sqrt{s}~=~13$$ TeV. The $$\text {J}/\psi $$mesons are reconstructed in the $$\text {e}^{+}\text {e}^{-}$$decay channel and the measurements are performed at midrapidity ($$|y|<0.9$$) in the transverse-momentum interval $$0<p_{\mathrm{T}} <40$$ GeV/$$c$$, using a minimum-bias data sample corresponding to an integrated luminosity $$L_{\text {int}} = 32.2~\text {nb}^{-1}$$and an Electromagnetic Calorimeter triggered data sample with $$L_{\text {int}} = 8.3~\mathrm {pb}^{-1}$$. The $$p_{\mathrm{T}}$$-integrated $$\text {J}/\psi $$production cross section at midrapidity, computed using the minimum-bias data sample, is $$\text {d}\sigma /\text {d}y|_{y=0} = 8.97\pm 0.24~(\text {stat})\pm 0.48~(\text {syst})\pm 0.15~(\text {lumi})~\mu \text {b}$$. An approximate logarithmic dependence with the collision energy is suggested by these results and available world data, in agreement with model predictions. The integrated and $$p_{\mathrm{T}}$$-differential measurements are compared with measurements in pp collisions at lower energies and with several recent phenomenological calculations based on the non-relativistic QCD and Color Evaporation models. | ||
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