Energy response of X-rays under high flux conditions using a thin APD for the energy range of 6-33 keV

Abstract

This paper reports on the demonstration of a high-rate energy measurement technique using a thin depletion layer silicon avalanche photodiode (Si-APD). A dedicated amplitude-to-time converter is developed to realize simultaneous energy and timing measurement in a high rate condition. The energy response of the system is systematically studied by using monochromatic X-ray beam with an incident energy ranging from 6 to 33 keV. The obtained energy spectra contain clear peaks and tail distributions. The peak fraction monotonously decreases as the incident photon energy increases. This phenomenon can be explained by considering the distribution of the energy deposit in silicon, which is investigated by using a Monte Carlo simulation.

References in corpus (7)

• Direct detection of the 229Th nuclear clock transition
• High-speed charge-to-time converter ASIC for the Super-Kamiokande detector
• Characterization of large area APDs for the EXO-200 detector
• Characterization of large area avalanche photodiodes in X-ray and VUV-light detection
• Fast X-ray detector system with simultaneous measurement of timing and energy for a single photon
• Nuclear resonant scattering experiment with fast time response: new scheme for observation of ${}^{229\mathrm{m}}$Th radiative decay
• Development and Characterization of a Multi-APD Xenon Electroluminescence TPC

Cited by in corpus (2)

• X-ray pumping of the Th-229 nuclear clock isomer
• Absolute X-ray energy measurement using a high-accuracy angle encoder