Response of G-NUMEN LaBr3(Ce) detectors to high counting rates
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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.
Como referenciar
MORALLES, MAURICIO; MEDINA, NILBERTO; GANDOLFO, ELISA M.; OLIVEIRA, JOSE R.B.; CAMPAJOLA, LUIGI; PIERROUTSAKOU, DIMITRA; BOIANO, ALFONSO; AGODI, CLEMENTINA; CAPPUZELLO, FRANSCESCO; CARBONE, DIANA; CAVALLARO, MANUELA; CIRALDO, IRENE; CALVO, DANIELA; DELAUNAY, FRANCK; EKE, CANEL; LONGHITANO, FABIO; SARTIRANA, DIEGO; SHARMA, VIJAY; SPATAFORA, ALESSANDRO; TOUFEN, DENNIS; FINOCCHIARO, PAOLO. Response of G-NUMEN LaBr3(Ce) detectors to high counting rates. Preprints.org, p. 1-14, 2023. DOI: 10.20944/preprints202307.0575.v1. Disponível em: https://repositorio.ipen.br/handle/123456789/50054. Acesso em: 30 Jun 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.