Measurement of J/ψ production cross-sections in pp collisions at s $$ \sqrt{s} $$ = 5 TeV
dc.contributor.author | More than 100 authors | en_US |
dc.date.accessioned | 2022-08-10T17:48:24Z | |
dc.date.available | 2022-08-10T17:48:24Z | |
dc.date.issued | 2021-11-24 | |
dc.identifier.citation | Journal of High Energy Physics. 2021 Nov 24;2021(11):181 | |
dc.identifier.uri | https://doi.org/10.1007/JHEP11(2021)181 | |
dc.identifier.uri | https://hdl.handle.net/2027.42/173370 | en |
dc.description | For a complete list of authors, please look at article. | en_US |
dc.description.abstract | Abstract The production cross-sections of J/ψ mesons in proton-proton collisions at a centre-of-mass energy of s $$ \sqrt{s} $$ = 5 TeV are measured using a data sample corresponding to an integrated luminosity of 9.13 ± 0.18 pb−1, collected by the LHCb experiment. The cross-sections are measured differentially as a function of transverse momentum, pT, and rapidity, y, and separately for J/ψ mesons produced promptly and from beauty hadron decays (nonprompt). With the assumption of unpolarised J/ψ mesons, the production cross-sections integrated over the kinematic range 0 < pT < 20 GeV/c and 2.0 < y < 4.5 are σ prompt J / ψ = 8.154 ± 0.010 ± 0.283 μb , σ nonprompt J / ψ = 0.820 ± 0.003 ± 0.034 μb , $$ {\displaystyle \begin{array}{c}{\sigma}_{\mathrm{prompt}}\ J/\psi =8.154\pm 0.010\pm 0.283\ \upmu \mathrm{b},\\ {}{\sigma}_{\mathrm{nonprompt}}\ J/\psi =0.820\pm 0.003\pm 0.034\ \upmu \mathrm{b},\end{array}} $$ where the first uncertainties are statistical and the second systematic. These cross-sections are compared with those at s $$ \sqrt{s} $$ = 8 TeV and 13 TeV, and are used to update the measurement of the nuclear modification factor in proton-lead collisions for J/ψ mesons at a centre-of-mass energy per nucleon pair of s NN $$ \sqrt{s_{\mathrm{NN}}} $$ = 5 TeV. The results are compared with theoretical predictions. | |
dc.title | Measurement of J/ψ production cross-sections in pp collisions at s $$ \sqrt{s} $$ = 5 TeV | |
dc.type | Journal Article | |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/173370/1/13130_2021_Article_17223.pdf | |
dc.identifier.doi | https://dx.doi.org/10.7302/5101 | |
dc.language.rfc3066 | en | |
dc.rights.holder | The Author(s) | |
dc.date.updated | 2022-08-10T17:48:22Z | |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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