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Study of coherent J/ψ production in lead-lead collisions at √sNN = 5 TeV
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LHCb Collaboration (Including: Back, J. J., Blake, Thomas, Brossa Gonzalo, A., Cicala, M. F., Costa Sobral, Cayo, Garcia Martin, L. M., Gershon, T. J., Hunter, R. J., Jones, T. S. (Tim S.), Kenzie, M., Kreps, Michal, Latham, Thomas, Lupton, Oliver, Millard, E., Morris, A. G. (Alan George), Pagare, B., Ramos Pernas, M., Sahoo, Niladri and Vesterinen, M.). (2022) Study of coherent J/ψ production in lead-lead collisions at √sNN = 5 TeV. Journal of High Energy Physics, 2022 (7). 117. doi:10.1007/JHEP07(2022)117 ISSN 1029-8479.
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Official URL: https://doi.org/10.1007/JHEP07(2022)117
Abstract
Coherent production of J/ψ mesons is studied in ultraperipheral lead-lead collisions at a nucleon-nucleon centre-of-mass energy of 5 TeV, using a data sample collected by the LHCb experiment corresponding to an integrated luminosity of about 10 µb −1 . The J/ψ mesons are reconstructed in the dimuon final state and are required to have transverse momentum below 1 GeV. The cross-section within the rapidity range of 2.0 < y < 4.5 is measured to be 4.45 ± 0.24 ± 0.18 ± 0.58 mb, where the first uncertainty is statistical, the second systematic and the third originates from the luminosity determination. The crosssection is also measured in J/ψ rapidity intervals. The results are compared to predictions from phenomenological models.
| Item Type: | Journal Article | ||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Journal or Publication Title: | Journal of High Energy Physics | ||||||
| Publisher: | Springer | ||||||
| ISSN: | 1029-8479 | ||||||
| Official Date: | 19 July 2022 | ||||||
| Dates: |
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| Volume: | 2022 | ||||||
| Number: | 7 | ||||||
| Article Number: | 117 | ||||||
| DOI: | 10.1007/JHEP07(2022)117 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||
| Date of first compliant deposit: | 9 August 2022 | ||||||
| Date of first compliant Open Access: | 9 August 2022 |
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