Nucleon parton distributions and nuclear structure
نویسندگان
چکیده
منابع مشابه
Nucleon Structure and Generalized Parton Distributions
This paper discusses a selected part of the experimental program dedicated to the study of Generalized Parton Distributions, a recently introduced concept which provides a comprehensive framework for investigations of the partonic structure of the nucleon. Particular emphasis is put on the Deeply Virtual Compton Scattering program performed at the Jefferson Laboratory. The short and long term f...
متن کاملGeneralized Parton Distributions and the Spin Structure of the Nucleon
Generalized parton distributions are a type of hadronic observables which has recently stimulated great interest among theorists and experimentalists alike. Introduced to delineate the spin structure of the nucleon, the orbital angular momentum of quarks in particular, the new distributions contain vast information about the internal structure of the nucleon, with the usual electromagnetic form...
متن کاملTransverse structure of nucleon parton distributions from lattice QCD.
This work presents the first calculation in lattice QCD of three moments of spin-averaged and spin-polarized generalized parton distributions in the proton. It is shown that the slope of the associated generalized form factors decreases significantly as the moment increases, indicating that the transverse size of the light-cone quark distribution decreases as the momentum fraction of the struck...
متن کاملNucleon Form Factors from Generalized Parton Distributions
M. Guidal,1 M. V. Polyakov,2, 3 A. V. Radyushkin,4, 5, 6 and M. Vanderhaeghen5, 7 Institut de Physique Nucléaire Orsay, F-91406 Orsay, France Petersburg Nuclear Physics Institute, Gatchina, St. Petersburg 188300, Russia Université de Liège au Sart Tilman, B-4000 Liège 1 Belgium Physics Department, Old Dominion University, Norfolk, VA 23529, USA Thomas Jefferson National Accelerator Facility, Ne...
متن کاملPolarized parton distributions in the nucleon.
The distribution of the spin of the nucleon among its constituents can be parametrized in the form of polarized parton distribution functions for quarks and gluons. Using all available data on the polarized structure function g1(x,Q 2), we determine these distributions both at leading and next–to–leading order in perturbation theory. We suggest three different, equally possible scenarios for th...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 1991
ISSN: 0375-9474
DOI: 10.1016/0375-9474(91)90109-j