Calculation of the p photon-decay amplitude A12 and the E1+M1+ ratio in single-pion electroproduction: An algebraic approach Article

Slaughter, MD, Oneda, S. (1994). Calculation of the p photon-decay amplitude A12 and the E1+M1+ ratio in single-pion electroproduction: An algebraic approach . PHYSICAL REVIEW D, 49(1), 323-327. 10.1103/PhysRevD.49.323

cited authors

  • Slaughter, MD; Oneda, S

authors

abstract

  • A nonperturbative calculation of the +P+ transverse one-half helicity transition form factor h3(q2) and the A12+P photon-decay amplitude is made with results in good agreement with experiment. The ratio of the electric quadrupole amplitude to the magnetic dipole amplitude at resonance is calculated as a function of GM*(0) and the + mass. We confirm that GM*(q2) decreases more rapidly than the nucleon dipole form factor in the region where GE*(q2) is known to be small. Our treatment is completely relativistic and current conservation is guaranteed. © 1994 The American Physical Society.

publication date

  • January 1, 1994

published in

Digital Object Identifier (DOI)

start page

  • 323

end page

  • 327

volume

  • 49

issue

  • 1