Quantum-mechanical picture of peripheral chiral dynamics
Journal Article
·
· Physical Review. C, Nuclear Physics
- Uppsala Univ., Uppsala (Sweden)
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
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.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 1213216
- Report Number(s):
- JLAB-THY-15-2016; DOE/OR/23177-3314; arXiv:1503.02055; PRVCAN
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 92, Issue 2; ISSN 0556-2813
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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