New definition of TMD parton densities

Abstract

I give an account of a new definition of transverse-momentum-dependent parton densities. The new definition solves a number of difficulties and inconsistencies in earlier definitions.

11 pages. To appear in proceedings of QCD evolution workshop April 2011

References in corpus (6)

• Drell-Yan production at small q_T, transverse parton distributions and the collinear anomaly
• TMD Parton Distribution and Fragmentation Functions with QCD Evolution
• What exactly is a parton density?
• Wilson lines and transverse-momentum dependent parton distribution functions: A renormalization-group analysis
• Renormalization, Wilson lines, and transverse-momentum dependent parton distribution functions
• Transverse Momentum Distributions in the Non-Perturbative Region

Cited by in corpus (49)

• A Formalism for the Systematic Treatment of Rapidity Logarithms in Quantum Field Theory
• Factorization Theorem For Drell-Yan At Low q_T And Transverse-Momentum Distributions On-The-Light-Cone
• Large-Momentum Effective Theory
• Analytic Regularization in Soft-Collinear Effective Theory
• Fully-Unintegrated Parton Distribution and Fragmentation Functions at Perturbative k_T
• TMD Soft Function from Large-Momentum Effective Theory
• Transverse-Momentum-Dependent Parton Distribution Functions from Large-Momentum Effective Theory
• Intrinsic transverse momentum and parton correlations from dynamical chiral symmetry breaking
• TMD evolution and the Higgs transverse momentum distribution
• Generalized Universality of Definite Rank Gluon Transverse Momentum Dependent Correlators
• Transverse Momentum Dependent Factorization for Quarkonium Production at Low Transverse Momentum
• Computing Light-Front Wave Functions Without Light-Front Quantization: A Large-Momentum Effective Theory Approach
• On the one-loop calculations with Reggeized quarks
• Studies of gluon TMDs and their evolution using quarkonium-pair production at the LHC
• Transverse momentum in double parton scattering: factorisation, evolution and matching
• Computing one-loop corrections to effective vertices with two scales in the EFT for Multi-Regge processes in QCD
• Joint transverse momentum and threshold resummation beyond NLL
• Transverse structure of proton in a light-front quark-diquark model
• Azimuthal asymmetries in semi-inclusive DIS with polarized beam and/or target and their nuclear dependences
• Transverse-momentum-dependent wave functions and Soft functions at one-loop in Large Momentum Effective Theory
• Relating transverse structure of various parton distributions
• TMD evolution of the Sivers asymmetry
• Transverse structure of the pion beyond leading twist with basis light-front quantization
• Breakdown of QCD Factorization for P-Wave Quarkonium Production at Low Transverse Momentum
• Color entanglement for azimuthal asymmetries in the Drell-Yan process
• Single Inclusive Jet Production in $pA$ Collisions at NLO in the small-$x$ regime
• Transverse structure of electron in momentum space in basis light-front quantization
• Cusped light-like Wilson loops in gauge theories
• Study of kaon structure using the light-cone quark model
• Structure of rapidity divergences in soft factors
• QCD Factorization for Quarkonium Production in Hadron Collions at Low Transverse Momentum
• Nonperturbative renormalization of asymmetric staple-shaped operators in twisted mass lattice QCD
• QCD Corrections of All Structure Functions in Transverse Momentum Dependent Factorization for Drell-Yan Processes
• Evolution of cusped light-like Wilson loops and geometry of the loop space
• Operator analysis of $p_T$-widths of TMDs
• TMD PDFs in the Laguerre polynomial basis
• Fracture Functions in Different Kinematic Regions and Their Factorizations
• Numerical analysis of the unintegrated double gluon distribution
• A Note on Pretzelosity TMD Parton Distribution
• The perturbative QCD factorization of $\rho {\gamma }^{\star }\to \rho$
• Non-dipolar gauge links for transverse-momentum-dependent pion wave functions
• Non-dipolar Wilson links for transverse-momentum-dependent wave functions
• Overview of TMD evolution
• The next-to-leading order corrections to $B\to \rho$ transition in the $k_T$ factorization
• Geometry of gauge links in operator definitions of transverse-momentum dependent PDFs: A comparative view
• Aspects of TMD evolution of azimuthal asymmetries
• Key features of the TMD soft-factor structure
• Wilson Lines off the Light-cone in TMD PDFs
• Wilson lines in the operator definition of TMDs: spin degrees of freedom and renormalization