Abstract
Lifetimes of 49 excited states below 1.65 MeV have been measured in 24Mg, 27Al, 48Ti, 58Ni, 59Co, 61,62Ni, 63,65Cu, 64,66,68Zn, 75As, 103Rh, 113,115In, 116,118,120Sn and 121,123Sb by means of nuclear resonance fluorescence experiments. The levels are excited by bremsstrahlung X-ray photons. The self-absorption technique applied to suitable cases provides nuclear absorption cross sections, widths and lifetimes from which the X-ray spectral distributions are also obtained. Scattering experiments are performed for all other cases in order to obtain widths and lifetimes from these X-ray photon curves. The Compton effect in the sample is taken into account.
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