Measurement of the non-linearity in the γ-ray response of the GAGG:Ce inorganic scintillator

被引：2

作者：

Campana, Riccardo ^{[1
,2
]}

Evola, Chiara ^{[1
,3
]}

Labanti, Claudio ^{[1
]}

Ferro, Lisa ^{[4
]}

Moita, Miguel ^{[4
]}

Virgilli, Enrico ^{[1
,2
]}

Marchesini, Ezequiel J. ^{[1
]}

Frontera, Filippo ^{[1
,4
]}

Rosati, Piero ^{[4
]}

机构：

[1] INAF, OAS, Via Gobetti 101, I-40129 Bologna, Italy

[2] INFN, Sez Bologna, Viale Berti Pichat 6-2, I-40127 Bologna, Italy

[3] Univ Bologna, Dept Phys & Astron, Via Gobetti 93, I-40129 Bologna, Italy

[4] Univ Ferrara, Dept Phys, Via Saragat 1, I-40129 Ferrara, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2023年 / 1056卷

关键词：

Scintillator detectors; Gamma-ray detectors; Scintillator non-linearity; NON-PROPORTIONALITY; ENERGY;

D O I：

10.1016/j.nima.2023.168587

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A characteristic of every inorganic scintillator crystal is its light yield, i.e., the amount of emitted scintillation photons per unit of energy deposited in the crystal. Light yield is known to be usually non-linear with energy, which impacts the spectroscopic properties of the scintillator.Cerium-doped gadolinium-aluminium-gallium garnet (GAGG:Ce) is a recently developed scintillator with several interesting properties, which make it very promising for space-based gamma-ray detectors, such as in the HERMES nanosatellite mission. In this paper we report an accurate measurement of the GAGG:Ce non-linearity in the 20-662 keV gamma-ray energy interval, using a setup composed of three samples of GAGG:Ce crystals read out by Silicon Drift Detectors (SDDs).

引用

页数：8

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