Effects of nonlocal one-pion-exchange potential in deuteron
Journal Article
·
· Phys Review
OSTI ID:753186
The off-shell aspects of the one-pion-exchange potential (OPEP) are discussed. Relativistic Hamiltonians containing relativistic kinetic energy, relativistic OPEP with various off-shell behaviors and Argonne v{sub 18} short-range parameterization are used to study the deuteron properties. The OPEP off-shell behaviors depend on whether a pseudovector or pseudoscalar pion-nucleon coupling is used and are characterized by a parameter {mu}. The authors study potentials having {mu} = {minus}1, 0 and +1 and they find that they are nearly unitarily equivalent. They also find that a nonrelativistic Hamiltonian containing local potentials and nonrelativistic kinetic energy provides a good approximation to a Hamiltonian containing a relativistic OPEP based on pseudovector pion-nucleon coupling and relativistic kinetic energy.
- Research Organization:
- Thomas Jefferson National Accelerator Facility, Newport News, VA (US) (US)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US) (US)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 753186
- Report Number(s):
- DOE/ER/40150-1276; JLAB-THY-99-14
- Journal Information:
- Phys Review, Journal Name: Phys Review Journal Issue: 61 Vol. C
- Country of Publication:
- United States
- Language:
- English
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