Calculation of the N to Δ electromagnetic transition matrix element

/ Authors

C. Alexandrou, P. Forcrand, T. Lippert, H. Neff, J. Negele, K. Schilling, W. Schroers, A. Tsapalis

/ Abstract

Abstract We present results on the ratio of electric quadrupole to magnetic dipole amplitudes, R EM =G E2 /G M1 , for the transitionλN → Δ from lattice QCD. We consider both the quenched and the 2-flavor theory.

Journal: arXiv: High Energy Physics - Lattice

DOI: 10.1016/S0920-5632(03)01571-8