Quantifying the nucleon’s pion cloud with transverse charge densities
Journal Article
·
· Physical Review C
The transverse densities in a fast-moving nucleon offer a model-independent framework for analyzing the spatial structure of the pion cloud and its role in current matrix elements. We calculate the chiral large-distance component of the charge density in a dispersion representation of the form factor and discuss its partonic interpretation. It dominates over the nonchiral density only at surprisingly large distances above ~2 fm. The chiral component can be probed in precision low-Q^2 elastic eN scattering or in peripheral deep-inelastic processes that resolve its quark/gluon content.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 1004061
- Report Number(s):
- JLAB-THY-10-1169; DOE/OR/23177-1216; arXiv:1004.3535; PRVCAN; TRN: US1100578
- Journal Information:
- Physical Review C, Vol. 82, Issue 4; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
Similar Records
Quantifying the nucleon's pion cloud with transverse charge densities
Transverse charge and current densities in the nucleon from dispersively improved chiral effective field theory
Chiral dynamics and partonic structure at large transverse distances
Journal Article
·
Fri Oct 15 00:00:00 EDT 2010
· Physical Review. C, Nuclear Physics
·
OSTI ID:1004061
Transverse charge and current densities in the nucleon from dispersively improved chiral effective field theory
Journal Article
·
Wed Sep 07 00:00:00 EDT 2022
· Physical Review D
·
OSTI ID:1004061
Chiral dynamics and partonic structure at large transverse distances
Journal Article
·
Wed Dec 30 00:00:00 EST 2009
· Physical Review. D, Particles, Fields, Gravitation and Cosmology
·
OSTI ID:1004061