Ce:LaBr3 crystals with SiPM array readout and temperature control for the FAMU experiment at RAL

Bonesini, M.; Benocci, R.; Bertoni, R.; Clemenza, M.; Ghittori, D.; Mazza, R.; Vallazza, E.; De Bari, A.; Menegolli, A.; Prata, M.; Rossella, M.; Baruzzo, M.; Mocchiutti, E.

doi:10.1088/1748-0221/15/05/C05065

Compact X-rays detectors made of 1/2′′ Ce:LaBr3 crystals of cubic shape with SiPM array readout have been developed for the FAMU experiment at RIKEN-RAL, to instrument regions of difficult access. Due to the high photon yield of Ce:LaBr3 it was possible to use a simple readout scheme based on CAEN V1730 digitizers, without a dedicated amplification stage. The drift with temperature of SiPM gain was corrected by using CAEN A7885D regulated power supply chips with temperature feedback. Energy resolutions (FWHM) around 3.5% at the 137Cs peak and around 9% at the 57Co peak were obtained.

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Titolo:	Ce:LaBr3 crystals with SiPM array readout and temperature control for the FAMU experiment at RAL
Autori:	Bonesini M. Benocci R. Bertoni R. Clemenza M. Ghittori D. Mazza R. Vallazza E. DE BARI, ANTONIO MENEGOLLI, ALESSANDRO Prata M. Rossella M. Baruzzo M. Mocchiutti E. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2020
Rivista:	JOURNAL OF INSTRUMENTATION
Abstract:	Compact X-rays detectors made of 1/2′′ Ce:LaBr3 crystals of cubic shape with SiPM array readout have been developed for the FAMU experiment at RIKEN-RAL, to instrument regions of difficult access. Due to the high photon yield of Ce:LaBr3 it was possible to use a simple readout scheme based on CAEN V1730 digitizers, without a dedicated amplification stage. The drift with temperature of SiPM gain was corrected by using CAEN A7885D regulated power supply chips with temperature feedback. Energy resolutions (FWHM) around 3.5% at the 137Cs peak and around 9% at the 57Co peak were obtained.
Handle:	http://hdl.handle.net/11571/1372210
Appare nelle tipologie:	1.1 Articolo in rivista

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