Exclusive vector-quarkonium photoproduction at NLO in αs in collinear factorisation with evolution of the generalised parton distributions and high-energy resummation

We perform the first complete one-loop study of exclusive photoproduction of vector quarkonia off protons in Collinear Factorisation (CF) including the scale evolution of the Generalised Parton Distributions (GPDs). We confirm the perturbative instability of the cross section at high photon-proton-c...

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Autors principals:	C.A. Flett, J.P. Lansberg, S. Nabeebaccus, M. Nefedov, P. Sznajder, J. Wagner
Format:	Artigo
Idioma:	Inglês
Publicat:	Elsevier 2024-12-01
Col·lecció:	Physics Letters B
Matèries:	J/ψ ϒ Exclusive photoproduction HERA EIC LHC
Accés en línia:	http://www.sciencedirect.com/science/article/pii/S0370269324006750
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