https://doi.org/10.1140/epjp/s13360-022-03619-1
Regular Article
Beam test results of 25 and 35 
m thick FBK ultra-fast silicon detectors
1
CERN, Geneva, Switzerland
2
Dipartimento Fisica e Astronomia dell’Università, Bologna, Italy
3
INFN, Bologna, Italy
4
INFN, Torino, Italy
5
Università degli Studi di Torino, Torino, Italy
6
Università del Piemonte Orientale, Novara, Italy
7
Fondazione Bruno Kessler, Trento, Italy
8
Università di Trento, Povo, Italy
9
TIFPA, Trento, Italy
a
francesca.carnesecchi@cern.ch
b
sofia.strazzi2@unibo.it
Received:
27
August
2022
Accepted:
19
December
2022
Published online:
30
January
2023
This paper presents the measurements on first very thin Ultra-Fast Silicon Detectors (UFSDs) produced by Fondazione Bruno Kessler; the data have been collected in a beam test setup at the CERN PS, using beam with a momentum of 12 GeV/c. UFSDs with a nominal thickness of 25 and 35 m and an area of 1 
1 
have been considered, together with an additional HPK 50-m thick sensor, taken as reference. Their timing performances have been studied as a function of the applied voltage and gain. A time resolution of about 25 ps and of 22 ps at a voltage of 120 and 240 V has been obtained for the 25 and 35 m thick UFSDs, respectively.
© The Author(s) 2023
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