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24 papers · 1 filter
Limitations on dispersion relations for Generalized Parton Distributions
Gary R. Goldstein, Simonetta Liuti
Deeply Virtual Compton Scattering and electroproduction of mesons involve amplitudes that are analytic in energy. Analyticity enables Dispersion Relations (DR's) for such amplitude…
The Use of Dispersion Relations in Hard Exclusive Processes and the Partonic Interpretation of Deeply Virtual Compton Scattering
Gary R. Goldstein, Simonetta Liuti
Recently dispersion relations have been applied to hard exclusive processes such as deeply virtual Compton scattering, and a holographic principle was proposed that maps out the ge…
New avenue to the Parton Distribution Functions: Self-Organizing Maps
J. Carnahan, H. Honkanen, S. Liuti +2
Neural network algorithms have been recently applied to construct Parton Distribution Function (PDF) parametrizations which provide an alternative to standard global fitting proced…
High-energy jet quenching in weakly-coupled quark-gluon plasmas
Peter Arnold, Wei Xiao
is the average squared transverse momentum transfer per unit length to a high-energy particle traversing a QCD medium such as a quark-gluon plasma. We find the (UV-regulat…
Simple Formula for High-Energy Gluon Bremsstrahlung in a Finite, Expanding Medium
Peter Arnold
Previous authors have considered the problem of the medium effects on single gluon bremsstrahlung associated with producing a high-energy particle in a finite, time-dependent QCD p…
Nucleon Tensor Charge from Exclusive Electroproduction
Saeed Ahmad, Gary. R. Goldstein, Simonetta Liuti
Exclusive electroproduction from nucleons is suggested for extracting the tensor charge and other quantities related to transversity from experimental data. This process isol…