Spectral-sensitive proton radiography of thin samples with the pixel detector Timepix3

We evaluate a high-resolution contrast-enhanced method for energy-sensitive radiography of thin samples with low-energy protons at the light-ion Tandetron accelerator of the NPI-CAS in Rez near Prague. We make use of the high-sensitivity of the hybrid semiconductor pixel detectors Timepix enabled by...

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Veröffentlicht in:	Journal of instrumentation 2022-04, Vol.17 (4), p.C04016
Hauptverfasser:	Olsansky, V., Granja, C., Oancea, C., Mackova, A., Havranek, V., Chvatil, D., Bila, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Clusters detectors Electronics Energy value Evaluation High resolution Image contrast Image reconstruction Instrumentation for particle accelerators and storage rings — low energy (linear accelerators, cyclotrons, electrostatic accelerators) Ion beams Light ions Metal foils Microbeams Parameter sensitivity Particle tracking detectors (Solid-state detectors) Pattern recognition, cluster finding, calibration and fitting methods Pixels Proton beams Sensors Signal processing Thickness
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Zusammenfassung:	We evaluate a high-resolution contrast-enhanced method for energy-sensitive radiography of thin samples with low-energy protons at the light-ion Tandetron accelerator of the NPI-CAS in Rez near Prague. We make use of the high-sensitivity of the hybrid semiconductor pixel detectors Timepix enabled by integrated per-pixel signal processing electronics. For this work we use the Timepix3 ASIC chip equipped with a 500 µm Si sensor operated with the fast data rate AdvaPix readout electronics interface. Measurements are performed in air with a 2.9 MeV proton microbeam on thin samples (
ISSN:	1748-0221 1748-0221
DOI:	10.1088/1748-0221/17/04/C04016