The MALTA family of Depleted Monolithic Active Pixel Sensor (DMAPS) produced in Tower 180 nm CMOS technology targets radiation hard applications for the HL-LHC and beyond. Several process modifications and front-end improvements have resulted in radiation hardness up to 2 × 1015 1 MeV neq/cm2 and time resolution below 2 ns, with uniform charge collection efficiency across the pixel of size 36.4 × 36.4 μm2 with a 3 μm2 electrode size. The MALTA2 demonstrator produced in 2021 on high-resistivity epitaxial silicon and on Czochralski substrates implements a new cascoded front-end that reduces the RTS noise and has a higher gain. This contribution shows results from MALTA2 on timing resolution at the nanosecond level from the CERN SPS test-beam campaign of 2021.
Timing performance of radiation hard MALTA monolithic pixel sensors / Gustavino, G., Allport, P., Asensi, I., Berlea, D.V., Bortoletto, D., Buttar, C., Dachs, F., Dao, V., Denizli, H., Dobrijevic, D., Flores, L., Gabrielli, A., Gonella, L., González, V., Leblanc, M., Oyulmaz, K., Pernegger, H., Piro, F., Riedler, P., Sandaker, H., et al.. - In: JOURNAL OF INSTRUMENTATION. - ISSN 1748-0221. - 18:3(2023), pp. 1-11. (23rd International workshop on radiation imaging detectors Riva del Garda, Italia ) [10.1088/1748-0221/18/03/c03011].
Timing performance of radiation hard MALTA monolithic pixel sensors
Gustavino, G.
;Gabrielli, A.;
2023
Abstract
The MALTA family of Depleted Monolithic Active Pixel Sensor (DMAPS) produced in Tower 180 nm CMOS technology targets radiation hard applications for the HL-LHC and beyond. Several process modifications and front-end improvements have resulted in radiation hardness up to 2 × 1015 1 MeV neq/cm2 and time resolution below 2 ns, with uniform charge collection efficiency across the pixel of size 36.4 × 36.4 μm2 with a 3 μm2 electrode size. The MALTA2 demonstrator produced in 2021 on high-resistivity epitaxial silicon and on Czochralski substrates implements a new cascoded front-end that reduces the RTS noise and has a higher gain. This contribution shows results from MALTA2 on timing resolution at the nanosecond level from the CERN SPS test-beam campaign of 2021.| File | Dimensione | Formato | |
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