A high resolution 4π alpha spectrometer with silicon surface barrier detectors |
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Authors: | J E Noakes J L Duggan |
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Institution: | (1) Geochronology Laboratory, University of Georgia, 30602 Athens, Georgia, (USA);(2) Physics Department, North Texas State University, 76203 Denton, Texas, (USA) |
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Abstract: | An alpha counting system has been designed which gives counting geometry of nearly 4π with resolution capabilities of 25 keV
or better. The alpha source is electro-deposited onto a thin gold foil which is sandwiched between two silicon surface barrier
detectors. Alpha pulses from the two detectors are amplified, normalized and summed as a single pulse height spectrum. The
techniques for the electrodeposition of the alpha activity onto the thin gold foil are described. |
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Keywords: | |
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