DOI | Trouver le DOI : https://doi.org/10.1016/j.nima.2014.08.012 |
---|
Auteur | Rechercher : MacLeod, A. M. L.; Rechercher : Boyle, P. J.; Rechercher : Hanna, D. S.; Rechercher : Saull, P. R. B.1; Rechercher : Sinclair, L. E.; Rechercher : Seywerd, H. C. J. |
---|
Affiliation | - Conseil national de recherches du Canada. Science des mesures et étalons
|
---|
Format | Texte, Article |
---|
Sujet | Compton imaging; Compton telescope; Pulse-height sharing; Radiation detection; Security; Scintillator |
---|
Résumé | We have developed a compact Compton gamma-ray imager with a large field of view and a low channel-count that is capable of quickly localizing gamma-ray sources in the few hundred keV - several MeV range. The two detector planes (scatter and absorber) employ bars of NaI(Tl) read out by photomultiplier tubes (PMTs) located at each end. The long-range imaging performance has been tested from 392 keV to 1274 keV. An angular resolution measure of 2.72±0.06° and an efficiency of (1.79±0.04)×10-³ at 662 keV is obtained. A ¹³⁷Cs (662 keV) source equivalent to a 10 mCi source 40 m away can be located in 60 s with an uncertainty of about a degree. No significant degradation in imaging performance is observed for source angles up to 40° off axis. |
---|
Date de publication | 2014-08-21 |
---|
Dans | |
---|
Langue | anglais |
---|
Publications évaluées par des pairs | Oui |
---|
Numéro NPARC | 21272615 |
---|
Exporter la notice | Exporter en format RIS |
---|
Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
---|
Identificateur de l’enregistrement | 8a54282b-cc66-40fa-8214-a045cbe9bebd |
---|
Enregistrement créé | 2014-12-03 |
---|
Enregistrement modifié | 2020-04-22 |
---|