Measurement of associated J/ψ-ψ(2S) production cross-section in pp collisions at √s = 13 TeV
The cross-section of associated J/ψ-ψ(2S) production in proton-proton collisions at a centre-of-mass energy of √s = 13 TeV is measured using a data sample corresponding to an integrated luminosity of 4.2 fb−1, collected by the LHCb experiment. The measurement is performed for both J/ψ and ψ(2S) meso...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
23 May 2024
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| In: |
Journal of high energy physics
Year: 2024, Heft: 5, Pages: 1-26 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP05(2024)259 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP05(2024)259 Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP05(2024)259 
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| Verfasserangaben: | The LHCb collaboration |
MARC
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| 245 | 1 | 0 | |a Measurement of associated J/ψ-ψ(2S) production cross-section in pp collisions at √s = 13 TeV |c The LHCb collaboration |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Measurement of associated J / psi - psi (2S) production cross-section in pp collisions at square root s equal 13 TeV |
| 264 | 1 | |c 23 May 2024 | |
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| 500 | |a LHCb Collaboration: R. Aaij, S. Bachmann, L. Carus, R. Caspary, C.E. Cocha Toapaxi, M. De Cian, G. Frau, F. Glaser, P.A. Günther, X. Han, S. Hansmann-Menzemer, C. Langenbruch, B. Leverington, J. Marks, M.P. Morgenthaler, S. Roy, M. Ruiz Diaz, G. Tuci, L.H. Ueckert, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, Y. Zhao, A. Zhelezov [und 1076 weitere] | ||
| 500 | |a Gesehen am 05.05.2025 | ||
| 520 | |a The cross-section of associated J/ψ-ψ(2S) production in proton-proton collisions at a centre-of-mass energy of √s = 13 TeV is measured using a data sample corresponding to an integrated luminosity of 4.2 fb−1, collected by the LHCb experiment. The measurement is performed for both J/ψ and ψ(2S) mesons having transverse momentum pT < 14 GeV/c and rapidity 2.0 < y < 4.5, assuming negligible polarisation of the J/ψ and ψ(2S) mesons. The production cross-section is measured to be 4.5 ± 0.7 ± 0.3 nb, where the first uncertainty is statistical and the second systematic. The differential cross-sections are measured as functions of several kinematic variables of the J/ψ-ψ(2S) candidates. The results are combined with a measurement of J/ψ-J/ψ production, giving a cross-section ratio between J/ψ-ψ(2S) and J/ψ-J/ψ production of 0.274 ± 0.044 ± 0.008, where the first uncertainty is statistical and the second systematic. | ||
| 650 | 4 | |a Experimental Particle Physics | |
| 650 | 4 | |a Hadron-Hadron Scattering | |
| 650 | 4 | |a Multi-Parton Interactions | |
| 650 | 4 | |a QCD | |
| 650 | 4 | |a Quarkonium | |
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