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Title: Quantum-mechanical picture of peripheral chiral dynamics

The nucleon's peripheral transverse charge and magnetization densities are computed in chiral effective field theory. The densities are represented in first-quantized form, as overlap integrals of chiral light-front wave functions describing the transition of the nucleon to soft pion-nucleon intermediate states. The orbital motion of the pion causes a large left-right asymmetry in a transversely polarized nucleon. As a result, the effect attests to the relativistic nature of chiral dynamics [pion momenta k = O(Mπ)] and could be observed in form factor measurements at low momentum transfer.
 [1] ;  [2]
  1. Uppsala Univ., Uppsala (Sweden)
  2. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Publication Date:
OSTI Identifier:
Report Number(s):
JLAB-THY--15-2016; DOE/OR/23177--3314; arXiv:1503.02055
Journal ID: ISSN 0556-2813; PRVCAN
DOE Contract Number:
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. C, Nuclear Physics; Journal Volume: 92; Journal Issue: 2
American Physical Society (APS)
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
elastic form factors; chiral effective field theory; transverse charge and magnetization densities; light-front quantization