3 papers
astro-ph.IM2025
AstroPix: A Pixelated HVCMOS Sensor for Space-Based Gamma-Ray Measurement
Amanda L. Steinhebel, Regina Caputo, Daniel P. Violette +33
A next-generation medium-energy gamma-ray telescope targeting the MeV range would address open questions in astrophysics regarding how extreme conditions accelerate cosmic-ray part…
astro-ph.IM2025
Evaluation of gamma-ray response of the AstroPix4 HV-CMOS active pixel sensor
Yusuke Suda, Regina Caputo, Daniel Violette +11
AstroPix is a novel high-voltage CMOS active pixel sensor being developed for a next generation gamma-ray space telescope, AMEGO-X. To meet AMEGO-X instrument requirements, AstroPi…
astro-ph.IM2025
Multimodal Shifts in the Dark Current of Silicon Photomultipliers
Ryu Kawarasaki, Akira Okumura, Kazuhiro Furuta +1
The dark count rate is one of the key properties of avalanche photodiodes (APDs) and silicon photomultipliers (SiPMs). Previous studies have reported discrete shifts in the dark co…