250 citations · 856 across the 52 of their papers we have counts for
44 papers · 1 filter
Drell-Yan hadron tensor: contour gauge and gluon propagator
I. V. Anikin, I. O. Cherednikov, O. V. Teryaev
We consider the gauge invariant Drell-Yan hadron tensor which includes the standard and non-standard diagram contributions. The non-standard diagram contribution is appeared owing…
Gauge-Invariant Gluon TMD and Evolution in the Coordinate Space
I. O. Cherednikov
Maximally path-dependent gauge-invariant operator definition of the gluon transverse-momentum dependent pdf (gTMD) is discussed. It is argued that the evolution equations for the g…
Transverse momentum dependent (TMD) parton distribution functions: status and prospects
R. Angeles-Martinez, A. Bacchetta, I. I. Balitsky +34
We provide a concise overview on transverse momentum dependent (TMD) parton distribution functions, their application to topical issues in high-energy physics phenomenology, and th…
Proceedings of the Sixth International Workshop on Multiple Partonic Interactions at the Large Hadron Collider
R. Astalos, S. Baranov, P. Bartalini +54
Multiple Partonic Interactions are often crucial for interpreting results obtained at the Large Hadron Collider (LHC). The quest for a sound understanding of the dynamics behind MP…
Transverse-Distance Dependent Parton Densities in the Large- Regime
I. O. Cherednikov
QCD factorization approach in the field-theoretic description of the semi-inclusive hadronic processes in the large Bjorken approximation implies extraction of the three-dimens…
Evolution of transverse-distance dependent parton densities at large- and geometry of the loop space
I. O. Cherednikov, T. Mertens, P. Taels +1
We discuss possible applications of the equations of motion in the generalized Wilson loop space to the phenomenology of the three-dimensional parton distribution functions in the…
On a Wilson lines approach to the study of jet quenching
I. O. Cherednikov, J. Lauwers, P. Taels
We address the geometrical structure of the "skewed" correlator of two space-like separated (almost) oppositely directed Wilson lines. Similar objects occur in the analysis of the…
Space-time structure of polynomiality and positivity for GPDs
I. V. Anikin, I. O. Cherednikov
We study the space-time structure of polynomiality and positivity---the most important properties which are inherent to the generalized parton distributions (GPDs). In this connect…
Cusped light-like Wilson loops in gauge theories
I. O. Cherednikov, T. Mertens, F. F. Van der Veken
We propose and discuss a new approach to the analysis of the correlation functions which contain light-like Wilson lines or loops, the latter being cusped in addition. The objects…
Layout of Wilson lines and light-cone peculiarities of transverse-momentum dependent PDFs
I. O. Cherednikov
We consider the problems of gauge invariance, path-dependence and treatment of overlapping UV/rapidity divergences peculiar to the transverse-momentum dependent parton distribution…
Spin microscopy with enhanced Wilson lines in the TMD parton densities
I. O. Cherednikov, A. I. Karanikas, N. G. Stefanis
We discuss the possibility of non-minimal gauge invariance of transverse-momentum-dependent parton densities (TMDs) that allows direct access to the spin degrees of freedom of ferm…
Geometry of gauge links in operator definitions of transverse-momentum dependent PDFs: A comparative view
Igor O. Cherednikov
Different approaches to the problem of a gauge-invariant operator definition of transverse-momentum dependent parton densities (TMDs) are reviewed and compared from the point of vi…
Wilson lines in the operator definition of TMDs: spin degrees of freedom and renormalization
I. O. Cherednikov, A. I. Karanikas, N. G. Stefanis
A generalized idea of gauge invariance, that embodies into the Wilson lines the spin-dependent Pauli term , is applied to set up a new framework for the oper…
Transverse-momentum-dependent parton distributions at the edge of the lightcone
I. O. Cherednikov, N. G. Stefanis
We present a completely gauge-invariant operator definition of transverse-momentum-dependent parton densities (TMD), supplied with longitudinal lightlike gauge links as well as tra…
Evolution of transverse-momentum-dependent densities
I. O. Cherednikov, N. G. Stefanis
We discuss different operator definitions of the transverse-momentum dependent (TMD) parton densities from the point of view of their renormalization-group (RG) properties and UV e…
Theory of transverse-momentum parton densities: solving the puzzle of divergences
I. O. Cherednikov
The current status of the theoretical understanding of the transverse-momentum dependent parton densities (TMDs) is discussed. Special attention is payed to the difference between…
Taming singularities in transverse-momentum-dependent parton densities
I. O. Cherednikov, N. G. Stefanis
We propose a consistent treatment of divergences emerging in the computation of transverse-momentum-dependent parton densities in leading -order of QCD perturbation theory.
Role and Properties of Wilson Lines in Transverse-Momentum-Dependent Parton Distribution Functions
N. G. Stefanis, I. O. Cherednikov, A. I. Karanikas
We summarize the renormalization-group properties of transverse-momentum dependent (TMD) parton distribution functions (PDF)s arguing that in the light-cone gauge the overlapping u…
On correlations in high-energy hadronic processes and the CMS ridge: A manifestation of quantum entanglement?
I. O. Cherednikov, N. G. Stefanis
We discuss the possibility of quantum entanglement for pairs of charged particles produced in high-energy -collisions at the LHC. Using a framework of interacting Wilson lines,…
Transverse-momentum parton densities: gauge links, divergences and soft factor
I. O. Cherednikov, N. G. Stefanis
We discuss the state-of-the-art of the theory of transverse-momentum dependent parton densities (TMD)s, paying special attention to their renormalization properties, the structure…
Wilson lines in transverse-momentum dependent parton distribution functions with spin degrees of freedom
I. O. Cherednikov, A. I. Karanikas, N. G. Stefanis
We propose a new framework for transverse-momentum dependent parton distribution functions, based on a generalized conception of gauge invariance which includes into the Wilson lin…
Understanding the evolution of transverse-momentum dependent parton densities
I. O. Cherednikov, N. G. Stefanis
Different approaches to define transverse-momentum dependent parton distribution functions are considered from the point of view of their renormalization-group properties. The asso…
Renormalization-group anatomy of transverse-momentum dependent parton distribution functions in QCD
N. G. Stefanis, I. O. Cherednikov
The ultraviolet and rapidity divergences of transverse-momentum dependent parton distribution functions with lightlike and transverse gauge links is studied, also incorporating a s…
Photon-photon collision: ambiguity and duality in QCD factorization theorem
I. V. Anikin, I. O. Cherednikov, N. G. Stefanis +1
We discuss duality in ``two-photon''-like processes in the scalar model and also in the process in QCD. Duality implies the equivalence between two distinct non…