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Technical Papers Archive

Topics:

High Purity Germanium Detector Applications and Technology Developments

Nuclear Safeguards Applications

General Gamma Spectrometry

Advances in Analysis Software

Waste Assay

Time Spectrometry and Timing Applications

Miscellaneous

High Purity Germanium Detector Applications and Technology Developments

Advances in Germanium Detector Technology
P. Sangsingkeow, K.D. Berry, E.J. Dumas, T.W. Raudorf, T.A. Underwood, ORTEC (Published Nucl. Inst. and Methods in Physics Research A 505 (2003) 183-186

History of Portable Germanium Detector Spectroscopy Systems
R.M. Keyser and T.R. Twomey, ORTEC (Presented at HPS Annual Meeting, June 2002, Tampa, Florida)

Recent Developments in HPGe Material and Detectors for Gamma-Ray Spectroscopy
P. Sangsingkeow, EG&G ORTEC (1999 SPIE Conference)

Advances in HPGe Detectors for Real-World Applications
R. Keyser, T. Twomey, and P. Sangsingkeow, EG&G ORTEC (1999)

A Low Profile Monolithic Multi-Element Ge Detector for X-Ray Fluorescence Applications
G. Derbyshire and S.S. Hasnain, CCLRC Daresbury Lab; K.C. Cheung, De Montford University, P. Sangsingkeow, ORTEC (J. Synchrotron Rad. 1999)

Matching Ge Detector Element Geometry to Sample Size and Shape: one does not fit all!
R.M. Keyser, T.R. Twomey, and P. Sangsingkeow (1998)

A New Apparatus for Surface X-Ray Adsorption and Diffraction Studies Using Synchrotron Radiation
H. Oyangi, Electrochemical Lab; I. Owen and M. Grimshaw, Vacuum Generators; P. Head, Peter Head Associates; M. Martini, EG&G ORTEC; M. Saito, Seiko EG&G (1995)

A Solid State Detector for Soft Energy Extended X-Ray Absorption Fine Structure Measurements
A.D. Smith, G.E. Derbyshire, R.C. Farrow, and A. Sery, Daresbury Laboratory and T.W. Raudorf and M. Martini, EG&G ORTEC (1994)


Nuclear Safeguards Applications

Recent Developments of the MGA++ Codes
T. Twomey, R. Keyser, S. Haywood, EG&G ORTEC and W. Parker, D. Clark, T.-F. Wang, W. Buckley, W. Romine, K. Raschke, W. Ruhter, Lawrence Livermore National Lab (1999 ESARDA Conference)

Recent Developments of LANL PC/FRAM Code
T.A. Kelley, T.E. Sampson, Los Alamos National Lab and R.M. Keyser, T.R. Twomey, EG&G ORTEC (1999 ESARDA Conference)

Application of X-Ray K-Edge Densitometry in D&D Operations
T. Jensen, T. Aljundi, and J. Gray, Ames Laboratory, Iowa State Univeristy (1998  International Conference on Decommissioning and Decontamination)


General Gamma Spectrometry

Characteristics of High-Rate Energy Spectroscopy Systems Using HPGe Coaxial Detectors and Time-Variant Filters
C.L. Britton, T.H. Becker, T.J. Paulus, and R.C. Trammel, ORTEC (1983)


Advances in Analysis Software

Comparison of Alternative Methods for Multiplet Deconvolution in the Analysis of Gamma-Ray Spectra (Abstract)
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume 432, Issue 1 1 August 1999 Pages 77-89. Menno Blaauw, Ronald M. Keyser and Béla Fazekasc.

Using Standard Spectra to Develop and Test Gamma-Ray Analysis Software
R.M. Keyser, ORTEC

Library-Directed Versus Peak-Search-Based Gamma-Ray Analysis
R.S. Seymour and J.E. Cox, EG&G Instruments


Waste Assay

Developments in High-Performance HPGe Detector Spectrometer Systems for Safeguards Applications
R.M. Keyser and T.R. Twomey (1997)

Evaluation of a Standard, Commercially-Available Gamma Spectroscopy System for High-Rate Waste Management Applications
T.R. Twomey and S.E. Wagner, EG&G ORTEC (1992 Esarda)

Non-Destructive Uranium Enrichment Determination in Process Holdup Deposits
R. Hagenauer, Martine Marietta Energy Systems (1991 INMM)

Non-Destructive Assay Quantification of Poorly Characterized Radioactive Isotopes
R. Hagenauer, Lockheed Martin Energy Systems, and R. Mayer II, Lockheed Martin Utility Services


Time Spectrometry and Timing Applications

FastFlight™, Digital Signal Averager for Continuous High-Speed Data Acquisition with Electrospray Time-of-Flight Mass Spectrometers Coupled to Chromatographs
Bradley Allen, Mark Allen, Rusty Bingham, Dale Gedcke, Susan Haywood, Gentry Jackson, and Jeff Peck, EG&G INSTRUMENTS, Oak Ridge, TN U.S.A. and Gino Carpanese, EG&G INSTRUMENTS, Milano, Italy (August 1998)

Determination of Atmospheric Ozone Profiles at 68N and 79N with a Daylight Lidar Instrument
R. Neuber, Alfred-Wegener-Institute for Polar and Marine Research, Bremerhaven, Germany
Optoelectronics for Environmental Science, Plenum Press, New York, 1990

A New High Rate Positron Lifetime Measurement System
Michael O. Bedwell, T.J. Paulus, EG&G ORTEC (1979 - 5th International Conference on Positron Annihilation)

A Constant Fraction Differential Discriminator For Use In Fast Timing Coincidence Systems
M.O. Bedwell and T.J. Paulus, ORTEC (1978)

Design of the Constant Fraction of Pulse Height Trigger for Optimum Time Resolution
D.A. Gedcke and W.J. McDonald (1968)

High Resolution Time Spectroscopy with Scintillation Detectors
D.A. Gedcke and C.W. Williams (1968)

A Constant Fraction of Pulse Height Trigger for Optimum Time Resolution
D.A. Gedcke and W.J. McDonald (1967) 


Miscellaneous

Characterization of Room Temperature Detectors Using the Proposed IEEE Standard
R. Keyser, PerkinElmer Instruments-ORTEC (IEEE November 2001)