Potentialities of High-Resolution 3-D CZT Drift Strip Detectors for Prompt Gamma-Ray Measurements in BNCT

被引：15

作者：

Abbene, Leonardo ^{[1
]}

Principato, Fabio ^{[1
]}

Buttacavoli, Antonino ^{[1
]}

Gerardi, Gaetano ^{[1
]}

Bettelli, Manuele ^{[2
]}

Zappettini, Andrea ^{[2
]}

Altieri, Saverio ^{[3
,4
]}

Auricchio, Natalia ^{[5
]}

Caroli, Ezio ^{[5
]}

Zanettini, Silvia ^{[6
]}

Protti, Nicoletta ^{[3
,4
]}

机构：

[1] Univ Palermo, Dept Phys & Chem DiFC Emilio Segre, Viale Sci,Edificio 18, I-90128 Palermo, Italy

[2] CNR, IMEM, Parco Area Sci 37-A, I-43100 Parma, Italy

[3] Univ Pavia, Dept Phys, Via Agostino Bassi 6, I-27100 Pavia, Italy

[4] Nucl Phys Natl Inst INFN, Unit Pavia, Via Agostino Bassi 6, I-27100 Pavia, Italy

[5] OAS Bologna, INAF, I-40129 Bologna, Italy

[6] Due2lab srl, Via Paolo Borsellino 2, I-42019 Scandiano, Italy

来源：

SENSORS | 2022年 / 22卷 / 04期

关键词：

CZT detectors; X-ray and gamma-ray detectors; BNCT; NEUTRON-CAPTURE THERAPY; THICK CDTE DETECTOR; COMPTON CAMERA; PG-SPECT; SYSTEM; ARRAYS;

D O I：

10.3390/s22041502

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Recently, new high-resolution cadmium-zinc-telluride (CZT) drift strip detectors for room temperature gamma-ray spectroscopic imaging were developed by our group. The CZT detectors equipped with orthogonal anode/cathode collecting strips, drift strips and dedicated pulse processing allow a detection area of 6 x 20 mm(2) and excellent room temperature spectroscopic performance (0.82% FWHM at 661.7 keV). In this work, we investigated the potentialities of these detectors for prompt gamma-ray spectroscopy (PGS) in boron neutron capture therapy (BNCT). The detectors, exploiting the measurement of the 478 keV prompt gamma rays emitted by 94% Li-7 nuclides from the B-10(n, alpha)Li-7 reaction, are very appealing for the development of single-photon emission computed tomography (SPECT) systems and Compton cameras in BNCT. High-resolution gamma-ray spectra from B-10 samples under thermal neutrons were measured at the T.R.I.G.A. Mark II research nuclear reactor of the University of Pavia (Italy).

引用

页数：11

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