Low-Cost Neutron and Gamma Sensitive Plastic Scintillator Detectors
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
This proposal addresses enabling technologies (Part C) for Technical Topic Area 3, Passive Primary Portals. However, radiation detectors (x-ray, gamma, and neutron) are essential components in all systems that address the 6 Technical Topic Areas in this BAA and thus the detectors described in this proposal, once fully optimized, are applicable to ALL technical topic areas in this BAA. Our scientific and technical approach is to develop a new family of radiation detectors based on plastic scintillator fabricated using an extrusion process. Plastic scintillators sensitive to both neutrons and gammas (x-rays) will be demonstrated. They can be configured in combination systems (neutron and gamma detection with a high level of discrimination capability) or separately. This work will involve an extension of our work on extruded plastic scintillator, Escint, (patent #5,968,425). Neutron-sensitive plastic scintillator has already been demonstrated in our laboratory and preliminar y measurements indicate that these early prototypes ALREADY MEET ANSI N42.35 specifications for neutron sensors. Plastic scintillator with enhanced gamma sensitivity is under development. The technical goal for our enhanced-gamma sensitivity plastic scintillator is the development of a plastic scintillator with high-Z elemental loading so that the scintillator will exhibit photoelectron peaks for gammas. This will allow some level of energy discrimination and thus give potential isotope identification. Although detectors for the above mentioned radiation species do exist, our technology is unique in its large-scale production possibilities and potential COST REDUCTIONS of up to a FACTOR OF 10 over existing commercial products.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 2305618
- Report Number(s):
- FERMILAB-FN--1245; oai:inspirehep.net:2758296
- Country of Publication:
- United States
- Language:
- English
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