Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Response of G-NUMEN LaBr3(Ce) Detectors to High Counting Rates

Elisa Maria Gandolfo
ORCID logo ,
José Roberto Brandao Oliveira
ORCID logo ,
Luigi Campajola
,
Dimitra Pierroutsakou
,
Alfonso Boiano
,
Clementina Agodi
ORCID logo ,
Francesco Cappuzzello
ORCID logo ,
Diana Carbone
ORCID logo ,
Manuela Cavallaro
ORCID logo ,
Irene Ciraldo
,
Daniela Calvo
,
Franck Delaunay
,
Canel Eke
,
Fabio Longhitano
ORCID logo ,
Nilberto Medina
ORCID logo ,
Mauricio Moralles
ORCID logo ,
Diego Sartirana
,
Vijay Sharma
,
Alessandro Spatafora
ORCID logo ,
Dennis Toufen
,
Paolo Finocchiaro
* ORCID logo
Version 1 : Received: 7 July 2023 / Approved: 10 July 2023 / Online: 10 July 2023 (10:37:20 CEST)

A peer-reviewed article of this Preprint also exists.

Gandolfo, E.M.; Oliveira, J.R.B.; Campajola, L.; Pierroutsakou, D.; Boiano, A.; Agodi, C.; Cappuzzello, F.; Carbone, D.; Cavallaro, M.; Ciraldo, I.; Calvo, D.; Delaunay, F.; Eke, C.; Longhitano, F.; Medina, N.; Moralles, M.; Sartirana, D.; Sharma, V.R.; Spatafora, A.; Toufen, D.; Finocchiaro, P. Response of G-NUMEN LaBr3(Ce) Detectors to High Counting Rates. Instruments 2023, 7, 28. Gandolfo, E.M.; Oliveira, J.R.B.; Campajola, L.; Pierroutsakou, D.; Boiano, A.; Agodi, C.; Cappuzzello, F.; Carbone, D.; Cavallaro, M.; Ciraldo, I.; Calvo, D.; Delaunay, F.; Eke, C.; Longhitano, F.; Medina, N.; Moralles, M.; Sartirana, D.; Sharma, V.R.; Spatafora, A.; Toufen, D.; Finocchiaro, P. Response of G-NUMEN LaBr3(Ce) Detectors to High Counting Rates. Instruments 2023, 7, 28.

Abstract

The G-NUMEN array is the future gamma spectrometer of the NUMEN experiment (Nuclear Matrix Element for the Neutrinoless double beta decay), to be installed around the object point of the MAGNEX magnetic spectrometer at the INFN-LNS laboratory.. This project aims at exploring Double Charge Exchange (DCE) reactions in order to obtain crucial information about the neutrinoless double beta decay (0νββ). The primary objective of the G-NUMEN array is to detect the gamma rays emitted from the de-excitation of the excited states populated via DCE reactions with good energy resolution and detection efficiency, amidst a background composed of transitions from competingreaction channels with far higher cross-sections. To achieve this, the G-NUMEN signalswill be processed in coincidence with those generated by the detection of the reaction ejectiles in the MAGNEX Focal Plane Detector(FPD). Under the expected experimental conditions, G-NUMEN detectors will operate at high counting rates, of the order of hundreds of kHz per detector, while maintaining excellent energy and timing resolutions. The complete array will consist of over 100 LaBr3(Ce) scintillators. Initial tests have been conducted on the first detectors of the array, allowing for the determination of their performance at high rates.

Keywords

LaBr3 scintillator; gamma ray detection; high counting rate; double charge exchange reactions; NUMEN

Subject

Physical Sciences, Nuclear and High Energy Physics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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