skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Plastic scintillator with effective pulse shape discrimination for neutron and gamma detection

Patent ·
OSTI ID:1246917

In one embodiment, a scintillator material includes a polymer matrix; and a primary dye in the polymer matrix, the primary dye being a fluorescent dye, the primary dye being present in an amount of 5 wt % or more; wherein the scintillator material exhibits an optical response signature for neutrons that is different than an optical response signature for gamma rays. In another embodiment, a scintillator material includes a polymer matrix; and a primary dye in the polymer matrix, the primary dye being a fluorescent dye, the primary dye being present in an amount greater than 10 wt %.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
9,309,456
Application Number:
13/437,836
OSTI ID:
1246917
Resource Relation:
Patent File Date: 2012 Apr 02
Country of Publication:
United States
Language:
English

References (201)

Aberrant porphyrin metabolism in hepatocellular carcinoma journal April 1984
Autofluorescence characteristics of immortalized and carcinogen-transformed human bronchial epithelial cells journal January 2001
Destruction of erythroleukaemic cells by photoactivation of endogenous porphyrins journal November 1987
Laser induced fluorescence spectroscopy from native cancerous and normal tissue journal December 1984
Heme biosynthesis in human breast cancer—mimetic “in vitro” studies and some heme enzymic activity levels journal January 1990
Spectroscopic Diagnosis Of Colonic Dysplasia journal June 1991
<title>Subsurface imaging using the spectral polarization difference technique and NIR illumination</title> conference July 1999
Recent developments in neutron detection journal April 2000
Development of organic scintillators journal June 1979
Growth, optical, thermal and mechanical studies of methyl 4-hydroxybenzoate single crystals journal August 2003
Characteristics of large-sized Ce:YAG scintillation crystal grown by temperature gradient technique journal June 2003
Effect of heat treatment on the stress and structure evolution of plasma deposited boron nitride thin films journal March 2008
Opportunities for new materials synthesis by hot wire chemical vapor process journal May 2011
New approach in depositing thick, layered cubic boron nitride coatings by oxygen addition—structural and compositional analysis journal November 2006
Deposition of thick cubic boron nitride films: The route to practical applications journal March 2005
Improvement of Adhesion of Cubic Boron Nitride Films: Effect of Interlayer and Deposition Parameters journal January 2005
Efficiencies of coated and perforated semiconductor neutron detectors conference October 2004
New surface morphology for low stress thin-film-coated thermal neutron detectors journal August 2002
The introducing of fluorine into the deposition of BN: a successful method to obtain high-quality, thick cBN films with low residual stress journal September 2001
Effect of deposition parameters on the formation of cubic BN films deposited by plasma-assisted chemical vapour deposition from non-toxic material journal January 1992
Morphological instability of crystals grown from thin aqueous solution films with a free surface journal February 1995
6Li-salicylate neutron detectors with pulse shape discrimination journal September 1979
Study of Organic Scintillators journal April 1956
Ultraviolet laser-induced fluorescence of colonic tissue: Basic biology and diagnostic potential journal January 1992
Novel polysiloxane-based scintillators for neutron detection journal November 2010
Organic–Inorganic Hybrid Scintillator for Neutron Detection Fabricated by Sol–Gel Method journal July 2008
Performance of Hybrid Plastic Scintillator Detectors for Low-Energy Neutron Measurements journal March 2008
Discrimination methods between neutron and gamma rays for boron loaded plastic scintillators
  • Normand, Stéphane; Mouanda, Brigitte; Haan, Serge
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 484, Issue 1-3, p. 342-350 https://doi.org/10.1016/S0168-9002(01)02016-2
journal May 2002
Optical and Scintillation Properties of Polydimethyl-Diphenylsiloxane Based Organic Scintillators journal April 2010
Doping of polysiloxane rubbers for the production of organic scintillators journal August 2010
New Organic Crystals for Pulse Shape Discrimination journal June 2009
Composite scintillators as detectors for fast neutrons and gamma-radiation detection in the border monitoring conference October 2009
Fluorescent 1,8-naphthalimides-containing polymers as plastic scintillators. An attempt for neutron–gamma discrimination journal December 2008
Characteristics of hybrid plastic scintillators for slow neutron measurements conference October 2007
Scintillation materials for neutron imaging detectors
  • Katagiri, M.; Sakasai, K.; Matsubayashi, M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 529, Issue 1-3, p. 274-279 https://doi.org/10.1016/j.nima.2004.04.165
journal August 2004
A low background, large solid angle neutron detector for spectroscopy and dosimetry application journal April 1994
A new solid state neutron detector: Particle identification with a barium-fluoride plastic scintillator
  • Kubota, S.; Motobayashi, T.; Ruan(Gen), J.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 270, Issue 2-3, p. 598-601 https://doi.org/10.1016/0168-9002(88)90735-8
journal July 1988
Plastic scintillators with efficient neutron/gamma pulse shape discrimination
  • Zaitseva, Natalia; Rupert, Benjamin L.; PaweŁczak, Iwona
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 668, p. 88-93 https://doi.org/10.1016/j.nima.2011.11.071
journal March 2012
Synthesis and properties of 4-amino-3-cyanofurazan journal May 1994
A scintillation counter with neutron and gamma-ray discriminators journal April 1959
Fast neutron - gamma pulse shape discrimination of liquid scintillation signals for time correlated measurements conference October 2003
Simple ways of n–γ discrimination using charge comparison technique
  • Jhingan, Akhil; Singh, Hardev; Singh, R. P.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 585, Issue 3, p. 165-171 https://doi.org/10.1016/j.nima.2007.11.013
journal February 2008
6:1 aspect ratio silicon pillar based thermal neutron detector filled with B10 journal September 2008
Fabrication of Pillar-structured thermal neutron detectors conference October 2007
Si pillar structured thermal neutron detectors: fabrication challenges and performance expectations conference May 2011
Digital pulse-shape discrimination of fast neutrons and rays
  • Söderström, P.-A.; Nyberg, J.; Wolters, R.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 594, Issue 1, p. 79-89 https://doi.org/10.1016/j.nima.2008.06.004
journal August 2008
15N NMR study of the mechanism of the reaction of amidoximes with nitrites in the presence of ZnCl2 and HCl journal April 1994
A convenient synthesis of 3-substituted 5-guanidino-1,2,4-oxadiazoles journal January 1994
New synthesis of 1,2,4-oxadiazoles journal January 1990
Synthesis of 2-amino-5-(5R-1,2,4-oxadiazolyl-3)-1,3,4-oxadiazoles journal December 1993
Neutron detection with single crystal organic scintillators conference September 2009
Transparent lithium loaded plastic scintillators for thermal neutron detection
  • Breukers, R. D.; Bartle, C. M.; Edgar, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 701, p. 58-61 https://doi.org/10.1016/j.nima.2012.10.080
journal February 2013
Fast neutron detection with 6Li-loaded liquid scintillator
  • Fisher, B. M.; Abdurashitov, J. N.; Coakley, K. J.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 646, Issue 1, p. 126-134 https://doi.org/10.1016/j.nima.2011.04.019
journal August 2011
Scintillators for Alpha and Neutron Radiations Synthesized by Room Temperature Sol-Gel Processing journal December 2004
Transparent matrix structures for detection of neutron particles based on di-ureasil xerogels journal March 2004
Transparent Solid-State Lithiated Neutron Scintillators Based on Self-Assembly of Polystyrene-block-poly(ethylene oxide) Copolymer Architectures journal October 2004
Neutron/γ-ray discrimination characteristics of novel neutron scintillators
  • Katagiri, M.; Sakasai, K.; Matsubayashi, M.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 529, Issue 1-3, p. 317-320 https://doi.org/10.1016/j.nima.2004.05.003
journal August 2004
Comparison of Lithium Gadolinium Borate Crystal Grains in Scintillating and Nonscintillating Plastic Matrices journal April 2013
Highly efficient solid-state neutron scintillators based on hybrid sol-gel nanocomposite materials journal November 2006
Thermal Neutron Scintillator Detectors Based on Poly (2-Vinylnaphthalene) Composite Films journal June 2011
Polyester Composite Thermal Neutron Scintillation Films journal August 2012
Pulse shape discrimination with lithium-containing organic scintillators
  • Zaitseva, Natalia; Glenn, Andrew; Paul Martinez, H.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 729, p. 747-754 https://doi.org/10.1016/j.nima.2013.08.048
journal November 2013
A high resolution, low background fast neutron spectrometer
  • Abdurashitov, J. N.; Gavrin, V. N.; Kalikhov, A. V.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 476, Issue 1-2, p. 318-321 https://doi.org/10.1016/S0168-9002(01)01447-4
journal January 2002
Boron-loaded silicone rubber scintillators journal August 2004
Luminescence and scintillation properties of CS2LiYCl6:Ce3+ for γ and neutron detection
  • Bessiere, A.; Dorenbos, P.; E. van Eijk, C. W.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 537, Issue 1-2, p. 242-246 https://doi.org/10.1016/j.nima.2004.08.018
journal January 2005
Measurement of the Time Dependence of Scintillation Intensity by a Delayed‐Coincidence Method journal September 1961
Pulse Shape Discrimination in a Plastic Scintillator journal June 1960
The effect of material purity on the optical and scintillation properties of solution-grown trans-stilbene crystals journal April 2013
Digital pulse shape analysis for the capture-gated liquid scintillator BC-523A
  • Flaska, Marek; Pozzi, Sara A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 599, Issue 2-3, p. 221-225 https://doi.org/10.1016/j.nima.2008.10.030
journal February 2009
${\rm Cs}_{2}{\rm LiYCl}_{6}:{\rm Ce}$ Scintillator for Nuclear Monitoring Applications journal June 2009
6Li‐loaded liquid scintillators with pulse shape discrimination journal April 1979
Neutron-gamma discrimination in plastic scintillators journal December 2000
Neutron detection and identification using ZnS:Ag/6LiF in segmented antineutrino detectors
  • Kiff, Scott D.; Bowden, Nathaniel; Lund, Jim
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 652, Issue 1, p. 412-416 https://doi.org/10.1016/j.nima.2010.07.082
journal October 2011
Rapid Triplet Excitation Migration in Organic Crystals journal November 1962
The Decay Times of Organic Scintillators and Their Application to the Discrimination between Particles of Differing Specific Ionization journal December 1958
Measurements of Scintillation Lifetimes journal August 1953
Lithium glass scintillator neutron detector as an improved alternative to the standard 3 he proportional counter conference October 2010
Securing special nuclear material: Recent advances in neutron detection and their role in nonproliferation journal December 2010
Boron-10 Loaded BC523A Liquid Scintillator for Neutron Detection in the Border Monitoring journal December 2008
Further Study of Boron-10 Loaded Liquid Scintillators for Detection of Fast and Thermal Neutrons journal February 2010
Light Pulse Shapes in Liquid Scintillators Originating From Gamma-Rays and Neutrons journal October 2010
A feasibility study of boron-loaded liquid scintillator for the detection of electron anti-neutrinos
  • Wang, S. C.; Hsu, C. C.; Leung, R. W. S.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 432, Issue 1, p. 111-121 https://doi.org/10.1016/S0168-9002(99)00350-2
journal August 1999
Pulse shape discrimination in inorganic and organic scintillators. I journal August 1971
Scintillation Decay Times of Organic Crystals journal March 1956
Growth and Properties of Lithium Salicylate Single Crystals journal August 2009
Pulse Shape Discrimination in Impure and Mixed Single-Crystal Organic Scintillators journal December 2011
Rapid growth of large-scale (40–55 cm) KH2PO4 crystals journal September 1997
Scintillation Detection in Well Logging Using Fast and Slow Phosphors patent December 1963
Silver-Doped Cadmium Tin Phosphide Laser patent July 1973
Spectroradiometric Apparatus And Method For Measuring Radiation patent June 1974
Cerenkov wave-shifting composition and process patent May 1975
Combination neutron-gamma ray detector patent October 1976
Scintillation counting compositions patent November 1978
Apparatus for measuring neutrons and gamma rays patent November 1984
Water soluble fluor compositions patent June 1985
High temperature plastic scintillator patent March 1986
Free radical based biochemical method for detecting substances in fluids patent March 1987
Solid scintillator counting compositions patent September 1987
Visible fluorescence spectral diagnostic for laser angiosurgery patent January 1988
Method for detecting cancerous tissue using visible native luminescence patent June 1990
Diagnostic apparatus for intrinsic fluorescence of malignant tumor patent September 1990
Method and apparatus for detecting cancerous tissue using luminescence excitation spectra patent August 1991
Polysiloxane scintillator composition patent May 1992
Method and apparatus for distinguishing cancerous tissue from benign tumor tissue, benign tissue or normal tissue using native fluorescence patent July 1992
Method for determining if a tissue is a malignant tumor tissue, a benign tumor tissue, or a normal or benign tissue using Raman spectroscopy patent November 1993
Omniview motionless camera endoscopy system patent May 1994
Method for determining if tissue is malignant as opposed to non-malignant using time-resolved fluorescence spectroscopy patent September 1994
Endoscope apparatus for three dimensional measurement for scanning spot light to execute three dimensional measurement patent July 1995
Method for determining if tissue is malignant as opposed to non-malignant using time-resolved fluorescence spectroscopy patent November 1995
Fabrication of amorphous diamond films patent December 1995
Cell death genes of Drosophila melanogaster and vertebrate analogs patent January 1997
Organic scintillator systems and optical fibers containing polycyclic aromatic compounds patent February 1997
Radiation resistant solid state neutron detector patent March 1998
Method for detecting cancerous tissue using optical spectroscopy and fourier analysis patent June 1998
Endoscope for imaging infrared emissions within the range of 2 to 14 microns patent November 1998
Imaging of objects based upon the polarization or depolarization of light patent December 1998
Automatic pole zero adjustment circuit for an ionizing radiation spectroscopy system patent February 1999
Solid state neutron detector array patent August 1999
Method and apparatus for measuring volumetric water flow rates in highly inclined wellbores patent September 1999
Dental reamer patent November 1999
Stereo laparoscope with synchronized optics patent November 1999
Endodiagnostic method using differential thermal relaxation and IR imaging patent December 1999
Signal enhancement for fluorescence microscopy patent January 2001
Apparatuses and methods for detecting, identifying and quantitating radioactive nuclei and methods of distinguishing neutron stimulation of a radiation particle detector from gamma-ray stimulation of a detector patent July 2001
Secure document reader and method therefor patent July 2001
Therapeutic laser device and method including noninvasive subsurface monitoring and controlling means patent July 2002
Imaging system with automatic gain control for reflectance and fluorescence endoscopy patent October 2002
Endoscope system patent November 2002
Apparatus for performing hyperspectral endoscopy patent March 2003
Method of loading organic materials with group III plus lanthanide and actinide elements patent April 2003
Multi-component all glass photonic band-gap fiber patent July 2003
Photon-sorting spectroscopic microscope system patent February 2004
Endoscope with LED illumination patent May 2004
Imaging apparatus patent August 2004
Tubular members and threaded connections for casing drilling and method patent November 2004
Endoscope patent September 2005
Medical imaging, diagnosis, and therapy using a scanning single optical fiber system patent December 2005
Multi-modal optical tissue diagnostic system patent December 2005
Image processing apparatus patent February 2006
Near-infrared spectroscopic tissue imaging for medical applications patent March 2006
Extruded plastic scintillator including inorganic powders patent June 2006
Flexible composite radiation detector patent December 2006
High-efficiency neutron detectors and methods of making same patent January 2007
Endoscope system using normal light and fluorescence patent February 2007
Autofluorescence detection and imaging of bladder cancer realized through a cystoscope patent August 2007
Neutron detectors and related methods patent May 2008
Methods and systems for detection of radionuclides patent May 2010
Composite scintillators for detection of ionizing radiation patent December 2010
Directional neutron detector patent January 2011
Linked list traversal with reduced memory accesses patent April 2011
Hyperspectral microscope for in vivo imaging of microstructures and cells in tissues patent May 2011
Lithium-loaded liquid scintillators patent May 2012
Arrangement structure of inclination angle sensor patent June 2012
Solution-grown crystals for neutron radiation detectors, and methods of solution growth patent June 2012
Simultaneous acquisition of differing image types patent October 2012
Radiation detector with optical waveguide and neutron scintillating material patent November 2012
Compounds for neutron radiation detectors and systems thereof patent June 2013
Melt-castable energetic compounds comprising oxadiazoles and methods of production thereof patent November 2013
Two-dimensional code reader and program patent November 2013
Compounds for neutron radiation detectors and systems thereof patent May 2014
Solution-grown crystals for neutron radiation detectors, and methods of solution growth patent October 2014
Method of simultaneously applying multiple illumination schemes for simultaneous image acquisition in an imaging system patent-application October 2001
Methods and apparatus for fluorescence and reflectance imaging and spectroscopy and for contemporaneous measurements of electromagnetic radiation with multiple measuring devices patent-application August 2002
Dual mode real-time screening and rapid full-area, selective-spectral, remote imaging and analysis device and process patent-application August 2003
Spectroscopic diagnostic methods and system patent-application December 2003
Device for the picture providing and spectroscopic diagnosis of tissue patent-application January 2004
Methods and compositions for treatment of otitis media patent-application September 2004
Scanning endoscope patent-application January 2005
Thick radiation sensitive devices patent-application September 2005
Composite scintillators for detection of ionizing radiation patent-application March 2006
Scintillation substances (variants) patent-application April 2006
Boron carbide particle detectors patent-application June 2006
Neutron And Gamma Detector Using An Ionization Chamber With An Integrated Body And Moderator patent-application June 2006
Semiconductor materials matrix for neutron detection patent-application November 2006
Hyperspectral microscope for in vivo imaging of microstructures and cells in tissues patent-application July 2007
Process for producing single crystal of gallium-containing nitride patent-application August 2007
Boron thin films for solid state neutron detectors patent-application January 2008
Crosslinked, Degradable Polymers And Uses Thereof patent-application June 2008
Toothpick device patent-application July 2008
Simultaneous Acquisition of Differing Image Types patent-application October 2008
Flexible Hydrogel-Based Functional Composite Materials patent-application November 2008
Polymer And Process For Producing Polymer patent-application January 2009
Solution-Grown Crystals For Neutron Radiation Detectors, And Methods Of Solution Growth patent-application October 2010
Compounds For Neutron Radiation Detectors And Systems Thereof patent-application October 2010
Solid state neutron detector patent-application November 2011
High Sensitivity, Solid State Neutron Detector patent-application November 2011
Method To Planarize Three-Dimensional Structures To Enable Conformal Electrodes patent-application February 2012
Neutron Porosity Logging Tool Using Microstructured Neutron Detectors patent-application May 2012
Materials, Method, And Apparatus For Detecting Neutrons And Ionizing Radiation patent-application September 2012
Fabrication Of A High Performance Neutron Detector With Near Zero Gamma Cross Talk patent-application December 2012
Solution-Grown Crystals For Neutron Radiation Detectors, And Methods Of Solution Growth patent-application December 2012
Simultaneous Acquisition Of Differing Image Types patent-application February 2013
Compact Thermal Neutron Monitor patent-application April 2013
Methods and Apparatus for Integrated Neutron/Gamma Detector patent-application July 2013
Two-Dimensional Code Reader and Program patent-application July 2013
Compounds for Neutron Radiation Detectors and Systems Thereof patent-application July 2013
Stress reduction for pillar filled structures patent-application July 2013
Melt-Castable Energetic Compounds Comprising Oxadiazoles and Methods of Production Thereof patent-application October 2013
System and Plastic Scintillator for Discrimination of Thermal Neutron, Fast Neutron, and Gamma Radiation patent-application November 2013
Compounds For Neutron Radiation Detectors And Systems Thereof patent-application October 2014
Lithium-Containing Scintillators For Thermal Neutron, Fast Neutron, And Gamma Detection patent-application January 2015

Similar Records

Plastic scintillator with effective pulse shape discrimination for neutron and gamma detection
Patent · Tue Apr 23 00:00:00 EDT 2019 · OSTI ID:1246917

System and plastic scintillator for discrimination of thermal neutron, fast neutron, and gamma radiation
Patent · Tue May 16 00:00:00 EDT 2017 · OSTI ID:1246917

Recent developments in plastic scintillators with pulse shape discrimination
Journal Article · Thu Feb 01 00:00:00 EST 2018 · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment · OSTI ID:1246917