Neutron-Induced Gamma-Ray Production in Titanium for Incident-Neutron Energies of 4.9, 5.4, and 5.9 MeV

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Abstract
Interactions of neutrons with titanium have been studied by measuring gamma-ray-production cross sections. For a sample of natural titanium, spectra were obtained for incident-mean-neutron energies, En = 4.9, 5.4, and 5.9 MeV with gamma-ray detector systems utilizing coaxial Ge(Li) detectors. Nearly monoenergetic neutrons were obtained from the D(d,n) reaction using deuterons obtained from the (pulsed) Oak Ridge National Laboratory 5-MV Van de Graaff accelerator. Time of flight was used with the detector to discriminate against pulses due to neutrons and background radiation. Gamma-ray identification was aided by obtaining several spectra for samples enriched in the isotopes 46 Ti and 48Ti, and new information on the level structures of these two isotopes was obtained. Absolute differential cross sections for production of gamma rays were obtained and are reported. These cross sections have been compared, where possible, with previous (n,n’) measurements and with cross sections derived from the current ENDF/B evaluation.

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