Solid-State Neutron Detectors with Integrated Electronics for Nuclear Physics

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$149,999.00
Award Year:
2014
Program:
SBIR
Phase:
Phase I
Contract:
DE-SC0011280
Agency Tracking Number:
209935
Solicitation Year:
2014
Solicitation Topic Code:
39b
Solicitation Number:
DE-FOA-0000969
Small Business Information
Radiation Monitoring Devices, Inc.
44 Hunt Street, Watertown, MA, 02472-4699
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
073804411
Principal Investigator:
Christopher Stapels
Dr.
(617) 668-6801
cstapels@rmdinc.com
Business Contact:
Carmen Danforth
Ms.
(617) 668-6801
kshah@rmdinc.com
Research Institution:
Stub




Abstract
At present, detectors of fast neutrons use liquid scintillators liquid scintillators can be dangerous to handle due to their low flash points and bulkiness, and the readout of the liquid scintillator by large PMTs limits the available position resolution and ability to operate in high magnetic fields. Large arrays of detectors are hampered by the large cost of many channels of electronics and the potential for data pile up in fully digital systems. The goal of this program is to develop a basic module that can be used to build larger detector systems with multiple position sensing elements. We will further develop newly discovered plastic scintillators that have neutron versus gamma pulse shape discrimination and couple them to solid state detectors. We will optimize the light collection and determine the useful energy range while choosing the appropriate level of electronics integration to make a useful module. The proposed effort combines RMDs plastic scintillators with its solid-state optical detectors to develop a segmented spectroscopic neutron detector for systems. We will tune the compositions and then fabricate these novel plastic scintillators by using standard polymerization techniques. Subsequently, we will couple them to solid-state detectors and maximize the light collection. We will fabricate and test critical components to demonstrate feasibility in the Phase-I effort. Detector scale-up issues and implementation for nuclear physics research will be addressed in the Phase II stage. Commercial Applications and Other Benefits: The proposed detector technology can be used to develop major neutron detection systems at multiple university and national labs across the USA, and additional sites worldwide. The technology is also promising for nuclear- nonproliferation, other neutron imaging systems, astronomy, and non-destructive testing.

* information listed above is at the time of submission.

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