Catalog excerpts
PLS-SystemPositron Lifetime Picosecond Timing System Positron Annihilation Lifetime Spectroscopy (PALS) AMETEK® ADVANCED MEASUREMENT TECHNOLOGY
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PLS-System PLS-SYSTEM Positron Lifetime Picosecond Timing System Positron Annihilation Lifetime Spectroscopy (PALS) The existence of the positron, first predicted by Dirac, was experimentally identified in the 1930’s. The positron is the antiparticle of the electron. A positron collision with an electron results in the annihilation of both particles and the emission of two characteristic 511-keV gamma rays. This phenomenon is useful to test predictions of quantum theory with regard to the differences between electron and positron interactions with matter. In addition, the positron has...
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Benefits • A fully tested and integrated “turn key” system. . . all you require is a positron source. • A complete set of labeled cables and connectors. • Two model 905-21 detector assemblies. • Documentation of the test process and results. • Warranted system time resolution. The PLS-SYSTEM Includes • 2 model 905-21 Detector assemblies. • 2 model 583B Constant Fraction Discriminators. • 2 model 556 High Voltage Power Supplies. • 1 model 414A Fast Coincidence. • 1 model 567 Time-to-Amplitude Converter/Single Channel Analyzer. • 1 model 928-MCB Multi-Channel Analyzer with MAESTRO Software. •...
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Ordering Information Model PLS-SYSTEM PLS2-SYSTEM 905-21 PLS-SLIDER Description Complete Positron Annihilation Picosecond Timing System. (Sources are not included with this system.) Shipping Weight: 150 lbs. Net Weight: 120 lbs. Positron Annihilation Picosecond Timing System without personal computer. (Sources are not included with this system.). Shipping Weight: 120 lbs. Net Weight: 100 lbs. Fast Plastic Detector Assembly including a truncated cone detector element, 8850 or equivalent PMT, 265A tube base and mu metal shield. Shipping Weight: 30 lbs. Net Weight: 5 lbs. Adjustable stand for...
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