Thermal neutron imaging can be a useful tool in the study of the internal structure of an object. The different attenuation properties of the materials with respect to X rays give rise to different interactions and the result is a complementary non-destructive analysis, which can provide important additional information. This technique has been successfully employed in different areas of work, especially in material science and cultural heritage studies. This paper describes the development of a new detection system and its characterization performed with X ray emissions. The system features the use of a gaseous detector, based on the Gas Electron Multiplier technology, and a fully digital electronic readout, with a combination of custom-made ASICs (called GEMINI) and FPGA boards, enabling fast single photon counting. The detector can be thus used directly for X ray imaging, while the addition of a suitable converter in its active volume will allow for detection of neutrons and for reconstruction of their tracks. The readout system is based on a x-y strip structure and features the reconstruction of single events through the center of mass methodology, allowing for accurate tomography, with sub-mm spatial resolution, in combination with sub-ms time resolution and high rate capabilities (up to MHz/mm2).

Caruggi, F., Celora, A., Cancelli, S., Gorini, G., Grosso, G., Guiotto, F., et al. (2024). Development of a Triple-GEM detector with strip readout and GEMINI chip for X rays and neutron imaging. JOURNAL OF INSTRUMENTATION, 19(2) [10.1088/1748-0221/19/02/C02015].

Development of a Triple-GEM detector with strip readout and GEMINI chip for X rays and neutron imaging

Caruggi F.
;
Celora A.;Cancelli S.;Gorini G.;Perelli Cippo E.;Petruzzo M.;Tardocchi M.;Croci G.
2024

Abstract

Thermal neutron imaging can be a useful tool in the study of the internal structure of an object. The different attenuation properties of the materials with respect to X rays give rise to different interactions and the result is a complementary non-destructive analysis, which can provide important additional information. This technique has been successfully employed in different areas of work, especially in material science and cultural heritage studies. This paper describes the development of a new detection system and its characterization performed with X ray emissions. The system features the use of a gaseous detector, based on the Gas Electron Multiplier technology, and a fully digital electronic readout, with a combination of custom-made ASICs (called GEMINI) and FPGA boards, enabling fast single photon counting. The detector can be thus used directly for X ray imaging, while the addition of a suitable converter in its active volume will allow for detection of neutrons and for reconstruction of their tracks. The readout system is based on a x-y strip structure and features the reconstruction of single events through the center of mass methodology, allowing for accurate tomography, with sub-mm spatial resolution, in combination with sub-ms time resolution and high rate capabilities (up to MHz/mm2).
Articolo in rivista - Articolo scientifico
CMOS readout of gaseous detectors; Inspection with neutrons; Inspection with x-rays; Micropattern gaseous detectors (MSGC, GEM, THGEM, RETHGEM, MHSP, MICROPIC, MICROMEGAS, InGrid, etc);
English
2-feb-2024
2024
19
2
C02015
open
Caruggi, F., Celora, A., Cancelli, S., Gorini, G., Grosso, G., Guiotto, F., et al. (2024). Development of a Triple-GEM detector with strip readout and GEMINI chip for X rays and neutron imaging. JOURNAL OF INSTRUMENTATION, 19(2) [10.1088/1748-0221/19/02/C02015].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/464705
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