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hep-ph2025★ 2 cited
Renormalon-based resummation for spacelike and timelike QCD quantities whose perturbation expansion has general form
Cesar Ayala, Gorazd Cvetič, Reinhart Kögerler
We present a generalisation of our previous approach of a renormalon-motivated resummation of the QCD observables. Previously it was applied to the spacelike observables whose pert…
hep-ph2025
The mass of the lightest gluelump
Cesar Ayala, Antonio Pineda
We give the most up-to-date determinations of the normalization of the leading renormalons of the pole mass, the singlet static potential, the octet static potential, and the gluel…
hep-ph2025
Extending the LCSR method to the electromagnetic pion form factor at low momenta using QCD renormalization-group summation
Cesar Ayala, S. V. Mikhailov, A. V. Pimikov
We obtain the electromagnetic pion form factor (emFF) for spacelike mid-range of momentum transfer in QCD. We use renormalization group (RG) summation within the light cone s…