Study of Performance of Different Photodetectors and Electrical Signal for Fast Detection in Fifty Litres CYGNO Prototype (LIME)

The proposed CYGNO experiment is a one cubic meter, single-phase, gas-only Time Projection Chambers (TPCs) for Directional Dark Matter search. The particularity of CYGNO is the read-out technique based on Micro Pattern Gas Detector (MPGD) amplification of the ionization and on the collection of the...

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Main Authors: Amaro, F.D., Baracchini, E., Benussi, L., Bianco, S., Capoccia, C., Caponero, M., Cardoso, D. S., Cavoto, G., Cortez, A., Costa, I.A., Dane, E., Dho, G., Di Giambattista, F., Di Marco, E., D'Imperio, G., Iacoangeli, F., Lima, H.P., Lopes, G.S.P., Maccarrone, G., Mano, R.D.P., Marafini, M., Marcelo Gregorio, R.R., Mazzitelli, G., McLean, A.G., Messina, A., Monteiro, C.M.B., Nobrega, R.A., Pains, I.F., Paoletti, E., Passamonti, L., Pelosi, A., Petrucci, F., Piacentini, S., Piccolo, D., Pierluigi, D., Pinci, D., Prajapati, A., Renga, F., Roque, R.J.C., Rosatelli, F., Russo, A., dos Santos, J.M.F., Saviano, G., Spooner, N.J.C., Tesauro, R., Tomassini, S., Torelli, S.
Format: Conference Proceeding
Language:English
Subjects:
Optical detectors
Optical imaging
Optical variables measurement
Performance evaluation
Photodetectors
Prototypes
Time measurement
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Summary:The proposed CYGNO experiment is a one cubic meter, single-phase, gas-only Time Projection Chambers (TPCs) for Directional Dark Matter search. The particularity of CYGNO is the read-out technique based on Micro Pattern Gas Detector (MPGD) amplification of the ionization and on the collection of the yielded visible light by a scientific CMOS camera with a sub-mm position resolution. A corresponding fast light detection, through PMT or SiPM devices, allows reconstructing of the three-dimensional direction of the tracks enabling to distinguish the electron and nuclear recoils. The time performance of the photodetector and the time resolution of the acquisition system directly affects the capability in reconstructing the inclination of tracks. The performance of the different solutions is studied to guide the choice for the final application. The best PMT and SiPM, among those examined, are installed on LIME, a 50 litres CYGNO prototype. Optical signals and fast electrical signals of this detector are studied in this work
ISSN:2577-0829
DOI:10.1109/NSS/MIC44867.2021.9875803