Flett, CA, Martin, AD, Ryskin, MG and Teubner, T 
ORCID: 0000-0002-0680-0776
(2020)
Very low <i>x</i> gluon density determined by LHCb exclusive <i>J</i>/ψ data.
PHYSICAL REVIEW D, 102 (11).
114021-.
Abstract
The low x behavior of the gluon density xg(x,μ2) at scale μ2=2.4 GeV2 is determined using exclusive J/ψ production data from HERA and LHCb within the framework of collinear factorization at next-to-leading order (NLO). It is shown that in the interval 3×10-6<x<10-3 the gluon distribution function grows as xg(x,μ2)x-λ with λ=0.135±0.006. The impact this experimental data will have for the global parton distribution function (PDF) analyses in this low x domain is quantified. No indication in favour of parton density saturation is observed.
| Item Type: | Article |
|---|---|
| Depositing User: | Symplectic Admin |
| Date Deposited: | 21 Oct 2022 08:38 |
| Last Modified: | 15 Mar 2024 09:12 |
| DOI: | 10.1103/PhysRevD.102.114021 |
| Open Access URL: | https://arxiv.org/abs/2209.15277 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3165678 |
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