Drell-Hearn-Gerasimov Sum-Rule for the Deuteron in Nuclear Effective Field Theory

Abstract

The Drell-Hearn-Gerasimov sum rule for the deuteron is studied in nuclear effective field theory. The low-energy theorem for the spin-dependent Compton amplitude $f_1(\omega )$ is derived to the next-to-leading order in low-energy expansion. The spin-dependent photodisintegration cross section ${\sigma }^P-{\sigma }^A$ is calculated to the same order, and its contribution to the dispersive integral is evaluated.

Comments: 8 pages, 2 figures