Measurement of χc1(3872) production in proton-proton collisions at √s = 8 and 13 TeV
The production cross-section of the χc1(3872) state relative to the ψ(2S) meson is measured using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of $$ \sqrt{s} $$= 8 and 13 TeV, corresponding to integrated luminosities of 2.0 and 5.4 fb−1, respectively. Th...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
January 24, 2022
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| In: |
Journal of high energy physics
Year: 2022, Heft: 1, Pages: 1-27 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP01(2022)131 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP01(2022)131
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| Verfasserangaben: | the LHCb collaboration |
MARC
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| 245 | 1 | 0 | |a Measurement of χc1(3872) production in proton-proton collisions at √s = 8 and 13 TeV |c the LHCb collaboration |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Measurement of χ c1(3872) production in proton-proton collisions at √s = 8 and 13 TeV |
| 246 | 3 | 3 | |a Measurement of chi c1(3872) production in proton-proton collisions at square root s = 8 and 13 TeV |
| 264 | 1 | |c January 24, 2022 | |
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| 500 | |a Im Text ist "χc1" tiefgestellt | ||
| 500 | |a Im Titel steht der Buchstabe s unter dem Wurzelsymbol | ||
| 500 | |a The LHCb collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, G. Frau, D. Gerick, J.P. Grabowski, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecná, B. Leverington, P. Li, J. Marks, D.J. Unverzagt, U. Uwer, L. Witola, A. Zhelezov [und viele weitere] | ||
| 500 | |a Gesehen am 07.10.2022 | ||
| 520 | |a The production cross-section of the χc1(3872) state relative to the ψ(2S) meson is measured using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of $$ \sqrt{s} $$= 8 and 13 TeV, corresponding to integrated luminosities of 2.0 and 5.4 fb−1, respectively. The two mesons are reconstructed in the J/ψπ+π− final state. The ratios of the prompt and nonprompt χc1(3872) to ψ(2S) production cross-sections are measured as a function of transverse momentum, pT, and rapidity, y, of the χc1(3872) and ψ(2S) states, in the kinematic range 4 < pT < 20 GeV/c and 2.0 < y < 4.5. The prompt ratio is found to increase with pT, independently of y. For the prompt component, the double ratio of the χc1(3872) and ψ(2S) production cross-sections between 13 and 8 TeV is observed to be consistent with unity, independent of pT and centre-of-mass energy. | ||
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