Studies of PDFs, GPDs and TMDs at the JLab 12 GeV Upgrade
Alexei Prokudin · 2012
Nucleon is a many body dynamical system of quarks and gluons Changing x we probe different aspects of nucleon wave function How partons move and how they are distributed in space is one of the future directions of development of nuclear physics Technically such information is encoded into Generalised Parton Distributions See talks by Markus Deihl and Matthias Burkadt and Transverse Momentum Dependent distributions Alexei Prokudin Fundamental knowledge from 3D distributionsCosmic Microwave Background is the source of information on history of our universe, inflation, distribution of matter, dark matter etc 3 Dimensional partonic picture gives us insights on the dynamics of the confined system of quarks and gluons. Wigner distributionOur goal is to understand 3 dimensional distributions of partons, How they move, there they are located inside a nucleon Wigner distribution (1933) is a possibility It gives both position and momenta Alexei Prokudin Wigner distributionOur goal is to understand 3 dimensional distributions of partons, How they move, there they are located inside a nucleon Wigner (1933) distribution is a possibility It gives both position and momenta Can it be measured? Alexei Prokudin -Spin Physics Wigner distribution Alexei ProkudinOur goal is to understand 3 dimensional distributions of partons, How they move, where they are located inside of a nucleon Wigner (1933) distribution is a possibility It gives both position and momenta Can it be measured?No simultaneous knowledge on position and momenta