Abstract
Theγ-ray spectra following neutron capture in silicon have teen recorded in the neutron energy range 2.7–6.2 MeV and partial cross sections forγ-rays to the 2s1/2 ground state and 1d3/2 first excited states in29Si determined. The results indicate considerable fluctuations with neutron energy with a prominent resonance peak at 4.6 MeV in the (n,γ o) cross section. The existence of fluctuations is predicted in a recent theoretical calculation based on a model designed to include single-particle resonances in nuclear reaction processes.
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Lindholm, A., Nilsson, L., Bergqvist, I. et al. Evidence for neutron capture through doorway states in29Si. Z Physik A 289, 229–230 (1979). https://doi.org/10.1007/BF01435943
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DOI: https://doi.org/10.1007/BF01435943