3 papers
physics.data-an2026
Structured generalized sliced Wasserstein distance for keV X-ray polarization analysis with Gas Pixel Detector
Pengcheng Ai, Hongtao Qin, Xiangming Sun +3
Because of the special angular distribution of excited electrons by the photoelectric effect, the Gas Pixel Detector (GPD) is effective in measuring keV X-ray polarization of astro…
physics.ins-det2025
Towards energy-insensitive and robust neutron/gamma classification: A learning-based frequency-domain parametric approach
Pengcheng Ai, Hongtao Qin, Xiangming Sun +1
Neutron/gamma discrimination has been intensively researched in recent years, due to its unique scientific value and widespread applications. With the advancement of detection mate…
physics.ins-det2025
Scintillation pulse characterization with spectrum-inspired temporal neural networks: case studies on particle detector signals
Pengcheng Ai, Xiangming Sun, Zhi Deng +1
Particle detectors based on scintillators are widely used in high-energy physics and astroparticle physics experiments, nuclear medicine imaging, industrial and environmental detec…