The collimator was designed so that the alpha particle beam FWHM was approximately 300 urn at the cathode. Position adjustments were made manually and charge pulses were acquired and stored using a Tektronix TDS 680 digital oscilloscope. Because ... According to the reference model, at 20 V the transition point should lie within the gap approximately 200 um from the center of the gap. A pair ofanbsp;...
|Title||:||Hard X-ray, Gamma-ray, and Neutron Detector Physics|
|Author||:||Ralph B. James, Richard C. Schirato|
|Publisher||:||Society of Photo Optical - 1999|