Complete calculation of exclusive heavy vector meson production at next-to-leading order in the dipole picture
Mäntysaari, H., & Penttala, J. (2022). Complete calculation of exclusive heavy vector meson production at next-to-leading order in the dipole picture. Journal of High Energy Physics, 2022(8), Article 247. https://doi.org/10.1007/jhep08(2022)247
Julkaistu sarjassa
Journal of High Energy PhysicsPäivämäärä
2022Tekijänoikeudet
© The Authors. Article funded by SCOAP3
Exclusive production of transversely polarized heavy vector mesons in deep inelastic scattering at high energy is calculated at next-to-leading order accuracy in the Color Glass Condensate framework. In addition to the first QCD correction proportional to the strong coupling constant αs, we systematically also include the first relativistic correction proportional to the heavy quark velocity squared v2. When combined with our previously published results for longitudinal vector meson production at next-to-leading order accuracy, these results make phenomenological calculations of heavy vector meson production possible at the order OO(αsv0, α0sαs0v2). When applied to J/ψ and Υ production at HERA and at the LHC, a good agreement between the next-to-leading order calculations and experimental data is found. Additionally, we demonstrate that vector meson production can provide additional constraints compared to structure function analyses when the nonperturbative initial condition for the Balitsky-Kovchegov evolution equation is extracted.
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Julkaisija
SpringerISSN Hae Julkaisufoorumista
1126-6708Asiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/151814364
Metadata
Näytä kaikki kuvailutiedotKokoelmat
Rahoittaja(t)
Suomen Akatemia; Euroopan komissioRahoitusohjelmat(t)
Akatemiatutkija, SA; Akatemiahanke, SA; Akatemiatutkijan tutkimuskulut, SA
The content of the publication reflects only the author’s view. The funder is not responsible for any use that may be made of the information it contains.
Lisätietoja rahoituksesta
This work was supported by the Academy of Finland, the Centre of Excellence in Quark Matter, and projects 338263, 346567 (H.M), and 321840 (J.P), by the Finnish Cultural Foundation (J.P), and under the European Union’s Horizon 2020 research and innovation programme by the European Research Council (ERC, grant agreement No. ERC-2018-ADG-835105 YoctoLHC) and by the STRONG-2020 project (grant agreement No. 824093). ...Lisenssi
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