Reference Papers
Measurement of NORM and Radioactive Soil
St16 Robin Strange, John Mason, Chris Hannon, Nick Chambers, Lynn Cooper, Marc Looman, Lawrence Odell, Tom Jennings, David Maina, Antoine Libens and Michael West, “Design and Development of an Automated Instrument for Measuring Radioactivity in an Excavator Bucket”, WM2016 Conference, March 6 – 10, 2016, Phoenix, Arizona, USA. (WM16-16246)
Segmented Gamma Scanner
Mar77 E.R. Martin, D.F. Jones and J. L. Parker, “Gamma Ray Measurements with the Segmented Gamma Scan” (LA-7059-M), Los Alamos Scientific Laboratory, Report LA-7059-M, December 1977 (LA-7059-M)
Ma15a J. A. Mason, M. R. Looman, E. R. Martin, L. V. Odell, M. Piotrowski, Adam Poundall, William Tansey and A. C. N. Towner, “Design, Development and Testing of an Automated Segmented Gamma Scanner for Measuring Nuclear Power Station Radioactive Waste”, Proceedings of INMM15, Indian Wells, CA, July 2015. (15-A-473-INMM)
Download: Mar77-Gamma-Ray-Measurements-with-the-Segmented-Gamma-Scan-LA-7059-M3 602.24 KB
Combined Neutron and Gamma Fissile Assay System
Bu15 Kevin J. Burke, Darius Ancius, Asam Chaudry, Richard D. Gunn, Marc R. Looman, David J. Maina, John A. Mason, Douglas Paton, Antony C. N. Towner and Graeme H. Wood, “Design and Testing of a Combined Neutron and Gamma Assay System for Measuring Fissile Material in Fuel and Waste Items”, WM2015 Conference, March 15–19, 2015, Phoenix, Arizona, USA. (WM15-15340)
Calorimeter: Drum
Ma15 John A. Mason, Charles Bonner, Kevin J. Burke, Lynn Foster, Lawrence V. Odell, James M. Pecos, Barry. M. Scott, Antony C. N. Towner, Michael J. West and Graeme H. Wood, “Design and Testing of a Sensitive Heat-Flow Calorimeter for Measuring Radioactive Waste in 55-Gallon (US) Drums”, WM2015 Conference, March 15–19, 2015, Phoenix, Arizona, USA. (WM15-15334)
Far Field Gamma Monitor
Lo15 Marc R. Looman, Erik Lindburg, E. Ray Martin, John A. Mason, Lawrence V. Odell, Matt Piotrowski, Adam Poundall, Antony C. N. Towner and Zhang Wei, “Design and Performance Testing of a Novel Far Field Gamma System to Assay Radioactive Waste in 400 and 200 litre Drums”, WM2015 Conference, March 15–19, 2015, Phoenix, Arizona, USA. (WM15-15339)
Ma15b J. A. Mason and M. R. Looman, “Measurement Issues with Radioactive Waste Drums Containing Heterogeneous Matrices and Non-Uniform Activity Distributions”, Proceedings of INMM15, July 2015, Indian Wells, CA, USA. (15-LA-523-INMM)
Automated Measurement System for Plutonium in 3013 Containers
Ma14b John A. Mason, Kevin J. Burke, Tom M. B. Jennings, Marc R. Looman, David J. Maina, Lawrence V. Odell, Adam J. Poundall, Antony C. N. Towner, Graeme H. Wood, Erik Lindburg, E. Ray Martin, Katherine B. Mejias and Curtis C. Keener, “Design, Development And Testing Of An Automated Measurement System For The Assay Of Plutonium In 3013 Containers”, Proceedings of the 55th Annual Meeting of the Institute of Nuclear Materials Management, Atlanta, Georgia, USA, July 20 – 24, 2014. (14-A-362-INMM)
Laundry Monitor for Nuclear Power Stations
Li14 Erik Lindberg, Richard DelPizzo, Tom Donohoue, Ryan Lee, Marc R. Looman, E. Ray Martin and John A. Mason, “Implementation and Performance Testing of a Sensitive Bulk Laundry Monitor for Use in Nuclear Power Stations -14004”, Proceedings of WM2014 Symposium, March 2 – 6, 2014, Phoenix, Arizona, USA. (WM14-14004)
Neutron multiplicity counting and Neutron Time Correlation Analyser (TCA)
ANTECH Model N1003 Neutron Time Correlation Analyser.
Pe91 B. Pedersen, W. Hage, J. A. Mason, “Neutron Multiple Correlation Analysis Method Applied to the Assay of Radioactive Waste”, Proceedings of the 13th Annual Symposium on Safeguards and Nuclear Material Management, Avignon, France, May 1991.
Ha93a W. Hage, B. Pedersen, V. Vocino and J. A. Mason, “Development State of the Triple Neutron Correlation Technique by the FactMorial Moment Method at JRC Ispra”, Proceedings of the International Workshop on Passive Neutron Coincidence Counting, JRC Ispra, Perla Laboratory, April 1993.
Ha93b W. Hage, B. Pedersen, L. Bondár, M. Swinhoe and F. W. Ledebrink, “Triple Neutron Correlation for MOX Waste Assay”, Proceedings of the ANS Annual Meeting & ANS Tropical Meeting on National Critical Technologies – Advanced Technology Applications, San Diego, California, June 1993.
Ma93a J. A. Mason, L. Bondar, W. Hage, B. Pedersen, M. Swinhoe and E. W. Ledebrink, “The Assay of Pu by Neutron Multiplicity Counting Using Period and Signal Trigger Methods”, Proceedings of INMM93, Scottsdale, Arizona, July 1993.
Ma93b J. A. Mason, L. Bondar, W. Hage and B. H. Pedersen, “The Advantages of Neutron Multiple Correction Analysis”, Proceedings of the 15th ESARDA Symposium on Safeguards and Nuclear Materials Management, Rome, Italy, May 1993.
Ma97a J. A. Mason, W. Hage, J. G. Fleissner and B. H. Pedersen, “Assay of Plutonium by Neutron Multiplicity Counting using the Neutron Time Correlation Analyser”, Proceedings of INMM97, Phoenix, Arizona, July 1997.
Download: Ha93b-Triple-Neutron-Correlation-for-MOX-Waste-Assay 99.85 KB
Download: Ma93b-The-Advantages-of-Neutron-Multiple-Correction-Analysis 242.28 KB
Calorimeter: General
Ma82 J. A. Mason, “The Use of Calorimetry for Plutonium Assay”, UKAEA Report SRDP-R100, Safeguards R & D Project December 1982. (SRDP_R100)
Ma90 J. A. Mason, M. Cuypers, S. Guardini and D. Tirelli, “Field Trails of the JRC Ispra (EURATOM) Plutonium Assay Calorimeter”, Proceedings of INMM90, Los Angeles, July 1990.
Lo90 J. N. Lowe and J. A. Mason, “Development and Application of a Low Power Transportable Calorimeter for Plutonium Assay”, Proceedings of INMM90, Los Angeles, July 1990.
Ma91c J. A. Mason, “Development of the AWE(A) NMM Transportable Plutonium Assay Calorimeters”, Proceedings of INMM91, New Orleans, July 1991.
Jo93 A. C. Jones, J. C. Vickery, R. W. Wilde, J. A. Mason and N. Bainbridge, “Calorimeter Signal Noise Analysis and Sample Power Prediction Improvement”, Proceedings of INMM93, Scottsdale, Arizona, July 1993.
Ma93c J. A. Mason and N. Bainbridge, “Development of a Demountable In-Line Plutonium Calorimeter”, Proceedings of INMM93, Scottsdale, Arizona, July 1993.
Ma93d J. A. Mason, N. Bainbridge and G. Verrecchia, “The Use of Calorimetry for Small Sample Plutonium Mass Determination”, Proceedings of the 15th ESARDA Symposium on Safeguards and Nuclear Materials Management, Rome, Italy, May 1993.
Ma95c J. A. Mason and M. L. Thornton, “Electrical and Heat Standard Calibration of Calorimeters for Plutonium and Tritium Measurement”, Proceedings of the 17th ESARDA Symposium on Safeguards and Nuclear Materials Management, Acchen, May 1995.
Ma97c J. A. Mason, J. G. Fleissner, J. L. Valdez, G. Campbell and J. West, “High Precision Large Sample Plutonium Calorimetry Measurements”, Proceedings of INMM97, Phoenix, Arizona, July 1997.
Download: Ma82-The-Use-of-Calorimetry-for-Plutonium-Assay 2.05 MB
Download: Ma90-Field-Trials-of-the-JRC-Ispra-EURATOM-Plutonium-Assay-Calorimeter 210.24 KB
Download: Ma91c-Development-of-the-AWEA-NMM-Transportable-Plutonium-Assay-Calorimeters 251.86 KB
Download: Jo93-Calorimeter-Signal-Noise-Analysis-and-Sample-Power-Prediction-Improvement 277.86 KB
Download: Ma93c-Development-of-a-Demountable-In-Line-Plutonium-Calorimeter 181.64 KB
Download: Ma93d-The-Use-of-Calorimetry-for-Small-Sample-Plutonium-Mass-Determination 191.19 KB
Download: Ma97c-High-Precision-Large-Sample-Plutonium-Calorimetry-Measurements 289.1 KB
Combined calorimetry, neutron coincidence counting and gamma spectrometry system
Ab06 S. Abousahl, H. Ottmar, P. van Belle, Th. van Vuure, K. Burke, J. Mason, A. Tolchard, A. Towner, A combined calorimetry, neutron coincidence counting and gamma spectrometry system (CANEGA) for enhanced plutonium mass and isotopic assay, Symposium on International Safeguards: Addressing Verification Challenges, Vienna, Austria, October 2006. (IAEA-CN-148-84[4])