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).
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页数：11
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