A charged particle spectrometer for nuclear photodisintegration
Dallin, Leslie Ormond
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High resolution telescope counters which employ thick germanium and silicon surface barrier detectors have been constructed and used for experiments with brernsstrahlung beams at high energies. The system has been tested with â‰¤ 160 MeV beams and various targets. All charged particles up to E = 100 MeV are clearly separated and there is little background in the measured spectra except at very low energies. Data have been acquired for the 2H(Î³,p)n, 6Li(Î³,3He)t and 6Li(Î³, t)3He reactions at 90Â° and for the 4He(Î³, 3He)n and 4He(Î³, t)p reaction angular distributions. All cross-sections derived from the data are in good agreement with other experimental results and the deuterium cross-section is in good agreement with established theory.