Statistical model radiation widths for 75 < A < 130 and the enhancement of p-wave neutron capture for A approx. = 90

Statistical model calculations of radiation widths are made on the basis of the Axel-Brink hypothesis with two free parameters for the normalization and A dependence of the low-energy tail of the giant electric dipole resonance. The two parameters are adjusted to fit known radiation widths with a standard deviation of about +- 25% for s-wave neutron resonance levels in nuclei with 75 < A < 130. The resulting E1 strength functions are consistent with known values over a larger mass region for transitions to low-lying states. The M1 transitions are included. The level densities or nuclear temperatures for the analysis are deduced by fitting the backshifted Fermi-gas model to the total number of states near the ground state and to the s-wave spacings at neutron binding. The low density of levels for A approx. = 90 gives rise to statistical enhancement of p-wave relative to s-wave neutron radiative capture. The sum of calculated radiation widths for p-wave resonances plus calculated radiation widths for p-wave valency capture agree well with published experimental values