We try to review the main current ideas and points of view on the running coupling constant
in QCD. We begin by recalling briefly the classic analysis based on the Renormalization …

We estimate the leading order amplitudes for exclusive photon and meson electroproduction
reactions at large Q 2 in the valence region in terms of skewed quark distributions. As …

This paper gives an overview of recently developed model for the QCD analytic invariant
charge. Its underlying idea is to bring the analyticity condition, which follows from the …

The renormalization group method allows improving the properties of the QCD perturbative
power series in the ultraviolet region. But it ultimately leads to unphysical singularities of …

Approximate knowledge of the renormalon structure of the Bjorken polarised sum rule (BSR)
Γ‾ 1 p− n (Q 2) leads to the corresponding BSR characteristic function that allows us to …

We propose a new generalized version of the QCD analytic perturbation theory of Shirkov
and Solovtsov for the computation of higher-order corrections in inclusive and exclusive …

Analytic perturbation theory and inclusive r decay Page 1 4 December 1997 PHYSICS LETTERS
B ELSBVIER Physics Letters B 415 (1997) 104-l 10 Analytic perturbation theory and inclusive r …

We discuss the interplay between higher orders of the perturbative QCD expansion and
higher-twist contributions in the analysis of recent Jefferson Lab data on the lowest moments …

This paper is devoted to the application of the recently devised ghost-free analytic
perturbation theory (APT) for the analysis of some QCD observables. We start with a …

We investigate the connection between ghost-free formulations of the RG-invariant QCD
perturbation theory in the spacelike and timelike regions. Our basic tool is the “double …