Works (84)

Updated: July 10th, 2023 21:19

2019 journal article

Application of the Monte Carlo Library Least-Squares (MCLLS) approach for chromium quantitative analysis in aqueous solution

APPLIED RADIATION AND ISOTOPES, 150, 39–42.

By: Y. Zhang*, B. Tang *, W. Jia *, X. Zhang*, R. Wang*, F. Li*, R. Gardner n

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: PGNAA; Chromium; MCLLS; Relative deviation
Source: Web Of Science
Added: July 15, 2019

2019 article

Implementation of the Monte Carlo Library Least-Squares (MCLLS) approach for quantification of the chlorine impurity in an on-line crude oil monitoring system

Chang, H. P., Meric, I., Sudac, D., Nad, K., Obhodas, J., Hou, G., … Gardner, R. P. (2019, February). RADIATION PHYSICS AND CHEMISTRY, Vol. 155, pp. 197–201.

co-author countries: Croatia πŸ‡­πŸ‡· Norway πŸ‡³πŸ‡΄ United States of America πŸ‡ΊπŸ‡Έ
author keywords: DT neutron generator; PGNAA; CEARCPG; MCLLS/MCLLSX; Crude oil; Chlorine
Source: Web Of Science
Added: January 14, 2019

2019 article

Uncertainty quantification for Gamma-ray spectroscopy using the Library-Least Squares technique

Feinberg, A., & Gardner, R. P. (2019, February). RADIATION PHYSICS AND CHEMISTRY, Vol. 155, pp. 191–196.

By: A. Feinberg n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Uncertainty quantification; Detector resolution; Library least squares; LLS; Gamma-ray elemental analysis; Binning
Source: Web Of Science
Added: January 14, 2019

2018 journal article

A distance correction method for improving the accuracy of particle coal online X-ray fluorescence analysis - Part 1: Theoretical dependence of XRF intensity on the distance

RADIATION PHYSICS AND CHEMISTRY, 147, 118–121.

By: Y. Zhang*, W. Jia*, R. Gardner n, Q. Shan *, X. Zhang, G. Hou  n, H. Chang n

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: X-ray fluorescence spectroscopy; Online analysis; Theoretical derivation; Distance from spectrometer to sample
Source: Web Of Science
Added: August 6, 2018

2018 journal article

A method for determining density based on gamma ray and fast neutron detection using a Cs2LiYCl6 detector in neutron-gamma density logging

APPLIED RADIATION AND ISOTOPES, 142, 77–84.

By: Q. Zhang n, F. Zhang *, R. Gardner n, H. Yan*, G. Wu *, L. Tian *, Q. Chen*, Y. Ti*

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Pulsed neutron-gamma density; CLYC detector; Monte Carlo simulation; Fast neutron; Inelastic gamma
Source: Web Of Science
Added: January 14, 2019

2018 journal article

Quantitative monitoring of CO2 sequestration using thermal neutron detection technique in heavy oil reservoirs

INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL, 79, 154–164.

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: CO2 saturation; Heavy oil; Thermal neutron detection; Influence factor; Monte Carlo simulation
Source: Web Of Science
Added: December 17, 2018

2018 journal article

Study on the PGNAA. measurement of heavy metals in aqueous solution by the Monte Carlo Library Least-Squares (MCLLS) approach

APPLIED RADIATION AND ISOTOPES, 132, 13–17.

By: Y. Zhang, W. Jia *, R. Gardner n, Q. Shan * & D. Hei *

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: PGNAA; Heavy metals; MCLLS; Relative deviation
Source: Web Of Science
Added: August 6, 2018

2017 journal article

A distance correction method for improving the accuracy of particle coal online X-ray fluorescence analysis - Part 2: Method and experimental investigation

RADIATION PHYSICS AND CHEMISTRY, 141, 235–238.

By: Y. Zhang n, W. Jia*, R. Gardner n, Q. Shan *, X. Zhang*, G. Hou n, H. Chang n

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: X-ray fluorescence spectroscopy; Online analysis; Coal particles; Distance correction
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Development of a method for on-line determination of chlorine impurity in crude oil by using fast neutrons

FUEL, 209, 643–649.

By: H. Chang n, I. Meric n, D. Sudac *, K. Nad *, J. Obhodas * & R. Gardner n

co-author countries: Croatia πŸ‡­πŸ‡· Norway πŸ‡³πŸ‡΄ United States of America πŸ‡ΊπŸ‡Έ
author keywords: DT neutron generator; PGNAA; CEARCPG; MCNP6; Crude oil; Chlorine
Source: Web Of Science
Added: August 6, 2018

2017 journal article

Validation and uncertainty quantification of detector response functions for a 1β€³Γ—2β€³ NaI collimated detector intended for inverse radioisotope source mapping applications

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 410, 1–15.

By: N. Nelson n, Y. Azmy n, R. Gardner n, J. Mattingly  n, R. Smith n , L. Worrall, S. Dewji *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Nal collimated detector; Response function; Validation; Uncertainty quantification; Holdup measurements
Sources: Crossref, ORCID
Added: June 30, 2019

2016 journal article

A method to improve the sensitivity of neutron porosity measurement based on D-T source

JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, 33, 879–884.

By: J. Liu n, F. Zhang *, R. Gardner n, G. Hou n, Q. Zhang *, Y. Zhang n, X. Li*, H. Li *, C. Hu*

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: D-T source; Neutron porosity; Measurement sensitivity
Source: Web Of Science
Added: August 6, 2018

2015 journal article

A method to evaluate hydraulic fracture using proppant detection

APPLIED RADIATION AND ISOTOPES, 105, 139–143.

By: J. Liu n, F. Zhang *, R. Gardner n, G. Hou n, Q. Zhang* & H. Li *

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Proppant detection; Hydraulic facture height; Gd capture gamma rays
Source: Web Of Science
Added: August 6, 2018

2015 article

A new G-M counter hybrid dead-time correction model

Hou, G., & Gardner, R. P. (2015, November). RADIATION PHYSICS AND CHEMISTRY, Vol. 116, pp. 125–129.

By: G. Hou n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: G-M counter; Dead-time; Paralyze
Source: Web Of Science
Added: August 6, 2018

2015 article

An analytical approach for treating background in spectral analysis measurements

Miller, I., Holmes, T. W., & Gardner, R. P. (2015, November). RADIATION PHYSICS AND CHEMISTRY, Vol. 116, pp. 87–91.

By: I. Miller n, T. Holmes n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Spectral background; Analytical background approach
Source: Web Of Science
Added: August 6, 2018

2015 article

Personal reflections on the highlights and changes in radiation and radioisotope measurement applications

Gardner, R. P., & Lee, K. O. (2015, November). RADIATION PHYSICS AND CHEMISTRY, Vol. 116, pp. 28–31.

By: R. Gardner n & K. Lee n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Radioisotope applications highlights; Radioisotope measurement application changes; Monte Carlo simulation
Source: Web Of Science
Added: August 6, 2018

2015 journal article

Spectral analysis of shielded gamma ray sources using precalculated library data

Radiation Physics and Chemistry, 116, 355–358.

By: T. Holmes & R. Gardner*

author keywords: Gamma-ray spectra; Radiation detection; MCNP5; Tr-linear interpolation; Inverse analysis
Source: Crossref
Added: January 3, 2021

2014 journal article

A DUAL SYSTEM FOR MONITORING THE POSITIONS OF MULTIPLE RADIOACTIVE TRACER PEBBLES IN SCALED PEBBLE BED REACTORS

NUCLEAR TECHNOLOGY, 185(3), 259–269.

By: Z. Wang n, K. Lee n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: pebble bed reactors; pebble flow measurement
Source: Web Of Science
Added: August 6, 2018

2014 journal article

On the ill-conditioning of the multiphase flow measurement by prompt gamma-ray neutron activation analysis

RADIATION PHYSICS AND CHEMISTRY, 95, 401–404.

By: I. Meric n, G. Johansen*, J. Mattingly n & R. Gardner n

co-author countries: Norway πŸ‡³πŸ‡΄ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Prompt gamma-ray neutron; activation analysis; Multiphase flow
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Prediction of Pebble Motion in Pebble-Bed Reactors Using Monte Carlo Molecular Dynamics Simulation

NUCLEAR SCIENCE AND ENGINEERING, 174(3), 264–285.

By: K. Lee n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2012 article

Development of a simple detector response function generation program: The CEARDRFs code

Wang, J., Wang, Z., Peeples, J., Yu, H., & Gardner, R. P. (2012, July). APPLIED RADIATION AND ISOTOPES, Vol. 70, pp. 1166–1174.

By: J. Wang n, Z. Wang n, J. Peeples n, H. Yu  n & R. Gardner n

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Detector response function; Scintillator; Nonlinearity; Flat continuum; CEARDRFs
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Enhancement of the intrinsic gamma-ray stopping efficiency of Geiger-Muller counters

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 696, 46–54.

By: I. Meric n, G. Johansen*, M. Holstad*, A. Calderon n & R. Gardner n

co-author countries: Norway πŸ‡³πŸ‡΄ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Monte Carlo simulation; Geiger-Muller counter; Gamma-ray stopping efficiency
Source: Web Of Science
Added: August 6, 2018

2012 article

Implementation of the elemental library stratified sampling technique on the GUI-based Monte Carlo library least squares (MCLLS) approach for EDXRF analysis

Li, F., & Gardner, R. P. (2012, July). APPLIED RADIATION AND ISOTOPES, Vol. 70, pp. 1243–1249.

By: F. Li & R. Gardner*

author keywords: X-ray fluorescence (XRF); Elemental analysis; Geochemical logging; Detector response function; Library least squares method; Elemental stratified sampling
Source: Web Of Science
Added: August 6, 2018

2012 article

Light yield measurement method for milled nanosize inorganic crystals

Li, A., Smith, N., Hehlen, M. P., McKigney, E. A., & Gardner, R. (2012, July). APPLIED RADIATION AND ISOTOPES, Vol. 70, pp. 1219–1222.

By: A. Li  n, N. Smith*, M. Hehlen *, E. McKigney * & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Scintillator; Light yield; Radioluminescence; Milling
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Molecular Dynamics simulation for PBR pebble tracking simulation via a random walk approach using Monte Carlo simulation

APPLIED RADIATION AND ISOTOPES, 70(5), 827–830.

By: K. Lee n, T. Holmes n, A. Calderon n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Monte Carlo; Molecular Dynamics; Simulation; DEM; Pebble Bed Reactor; Particle tracking
Source: Web Of Science
Added: August 6, 2018

2012 article

Monte Carlo simulation of the nonlinear full peak energy responses for gamma-ray scintillation detectors

Peeples, J. L., & Gardner, R. P. (2012, July). APPLIED RADIATION AND ISOTOPES, Vol. 70, pp. 1058–1062.

By: J. Peeples* & R. Gardner*

author keywords: Monte Carlo simulation; Nonlinear detector responses; Gamma-ray spectrometry; Detector response functions; Sodium iodide; BGO
Source: Web Of Science
Added: August 6, 2018

2012 journal article

On the treatment of ill-conditioned cases in the Monte Carlo library least-squares approach for inverse radiation analyzers

MEASUREMENT SCIENCE AND TECHNOLOGY, 23(5).

By: I. Meric*, G. Johansen, M. Holstad, J. Mattingly* & R. Gardner*

author keywords: prompt gamma-ray neutron activation analysis (PGNAA); Monte Carlo library least-squares (MCLLS); singular value decomposition (SVD); truncated singular value decomposition (TSVD); multiphase flow
Source: Web Of Science
Added: August 6, 2018

2011 journal article

A proposed benchmark problem for cargo nuclear threat monitoring

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 652(1), 52–57.

By: T. Holmes n, A. Calderon n, C. Peeples n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Benchmark; Cargo nuclear threat monitoring
Source: Web Of Science
Added: August 6, 2018

2011 journal article

A single scatter electron Monte Carlo approach for simulating gamma-ray stopping efficiencies of Geiger-MΓΌller counters

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 654(1), 279–287.

By: I. Meric  n, G. Johansen*, M. Holstad*, K. Lee n, A. Calderon n, J. Wang n, R. Gardner n

co-author countries: Norway πŸ‡³πŸ‡΄ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Computational physics; Monte Carlo simulation; Single scatter electron transport; Geiger-Muller counter; Stopping efficiency
Sources: Crossref, Web Of Science
Added: August 6, 2018

2011 journal article

Accuracy and borehole influences in pulsed neutron gamma density logging while drilling

APPLIED RADIATION AND ISOTOPES, 69(9), 1313–1317.

By: H. Yu  n, J. Sun *, J. Wang n & R. Gardner n

co-author countries: China πŸ‡¨πŸ‡³ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Logging-while-drilling; Pulsed neutron gamma density log; Inelastic gamma-ray; Monte-Carlo simulation; Borehole influence
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Monte Carlo investigation and optimization of coincidence prompt gamma-ray neutron activation analysis

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 652(1), 572–577.

By: J. Wang n, A. Calderon n, C. Peeples n, X. Ai n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Coincidence; PGNAA; Monte Carlo; CEARCPG
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Monte Carlo modelling of gamma-ray stopping efficiencies of Geiger-Muller counters

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 636(1), 61–66.

By: I. Meric *, G. Johansen n, M. Holstad* & R. Gardner n

co-author countries: Norway πŸ‡³πŸ‡΄ United States of America πŸ‡ΊπŸ‡Έ
author keywords: Geiger-Muller detector; Monte Carlo simulation; Gamma-ray stopping efficiency
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Produced water characterization by prompt gamma-ray neutron activation analysis

Measurement Science & Technology, 22(12).

By: I. Meric  n, G. Johansen*, M. Holstad*, J. Wang n & R. Gardner n

co-author countries: Norway πŸ‡³πŸ‡΄ United States of America πŸ‡ΊπŸ‡Έ
Source: NC State University Libraries
Added: August 6, 2018

2011 journal article

Use of an iterative convolution approach for qualitative and quantitative peak analysis in low resolution gamma-ray spectra

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 652(1), 544–549.

By: R. Gardner n, X. Ai n, C. Peeples n, J. Wang n, K. Lee  n, J. Peeples n, A. Calderon n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Gamma spectroscopy; Sodium iodide; Peak convolution
Source: Web Of Science
Added: August 6, 2018

2011 journal article

Use of the CEARXRF GUI-Based Monte Carlo-Library Least-Squares (MCLLS) Code for the Micro-Focused EDXRF analyzer

X-RAY SPECTROMETRY, 40(6), 405–410.

By: R. Gardner n & F. Li  n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2010 article

On replacing Am-Be neutron sources in compensated porosity logging tools

APPLIED RADIATION AND ISOTOPES, Vol. 68, pp. 926–931.

By: C. Peeples n, M. Mickael n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Neutron sources; Monte Carlo; Nuclear well logging; (252)Cf; (241)Am; D-T; D-D
MeSH headings : Americium / analysis; Beryllium / analysis; Californium / analysis; Materials Testing; Neutrons; Porosity; Radiation Dosage; Radiometry / methods; Scattering, Radiation
Source: Web Of Science
Added: August 6, 2018

2010 article

On the future of Monte Carlo simulation for nuclear logs

APPLIED RADIATION AND ISOTOPES, Vol. 68, pp. 932–935.

By: R. Gardner n & A. Sood *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Computer Simulation; Computer-Aided Design; Equipment Design; Equipment Failure Analysis; Models, Statistical; Monte Carlo Method; Nuclear Power Plants / instrumentation; Radiation Monitoring / instrumentation; Reproducibility of Results; Sensitivity and Specificity
Source: Web Of Science
Added: August 6, 2018

2010 article

Semi-empirical modeling of gamma-ray density logs with the possibility of obtaining more information

APPLIED RADIATION AND ISOTOPES, Vol. 68, pp. 936–940.

By: F. Li n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Algorithms; Computer Simulation; Data Interpretation, Statistical; Fuel Oils / analysis; Models, Statistical; Spectrometry, Gamma / methods
Source: Web Of Science
Added: August 6, 2018

2009 article

Status of the Monte Carlo library least-squares (MCLLS) approach for non-linear radiation analyzer problems

Gardner, R. P., & Xu, L. (2009, October). RADIATION PHYSICS AND CHEMISTRY, Vol. 78, pp. 843–851.

By: R. Gardner n & L. Xu n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Least-squares fitting; MCLLS; CEARCPG; CEARXRF; PGNAA; XRF; Bulk analysis; In vivo lead in bone measurement
Source: Web Of Science
Added: August 6, 2018

2008 article

On the use of prompt gamma-ray neutron activation analysis for determining phase amounts in multiphase flow

Wang, J., Li, F., & Gardner, R. P. (2008, September). MEASUREMENT SCIENCE AND TECHNOLOGY, Vol. 19.

By: J. Wang*, F. Li* & R. Gardner*

author keywords: prompt gamma-ray neutron activation analysis; multiphase flow
Source: Web Of Science
Added: August 6, 2018

2007 article

Design and preliminary Monte Carlo calculations of an active Compton-suppressed LaBr3(Ce) detector system for TRU assay in remote-handled wastes

Kulisek, J. A., Hartwell, J. K., McIlwain, M. E., & Gardner, R. P. (2007, September 21). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Vol. 580, pp. 226–229.

By: J. Kulisek*, J. Hartwell*, M. McIlwain* & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: gamma-ray spectrometry; compton suppression; scintillation detectors; MCNP
Source: Web Of Science
Added: August 6, 2018

2007 patent

Gamma ray detectors having improved signal-to-noise ratio and related systems and methods for analyzing bulk materials

Washington, DC: U.S. Patent and Trademark Office.

By: R. Gardner

Source: NC State University Libraries
Added: August 6, 2018

2007 patent

Gamma ray detectors having improved signal-to-noise ratio and related systems and methods for analyzing materials in an oil well

Washington, DC: U.S. Patent and Trademark Office.

By: R. Garnder

Source: NC State University Libraries
Added: August 6, 2018

2007 article

Non-poisson counting statistics of a hybrid G-M counter dead time model

Lee, S. H., Jae, M., & Gardner, R. P. (2007, October). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 263, pp. 46–49.

By: S. Lee *, M. Jae* & R. Gardner n

co-author countries: Korea (Republic of) πŸ‡°πŸ‡· United States of America πŸ‡ΊπŸ‡Έ
author keywords: G-M counter; dead time; hybrid model
Source: Web Of Science
Added: August 6, 2018

2007 article

The Monte Carlo code CEARCPG for coincidence prompt gamma-ray neutron activation analysis

Han, X., & Gardner, R. P. (2007, October). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 263, pp. 320–325.

By: X. Han n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: coincidence; PGNAA; Monte Carlo; CEARCPG
Source: Web Of Science
Added: August 6, 2018

2007 article

Using gamma-gamma coincidence measurements to validate Monte Carlo generated detector response functions

Metwally, W. A., Gardner, R. P., & Sood, A. (2007, October). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 263, pp. 50–53.

By: W. Metwally*, R. Gardner n & A. Sood*

co-author countries: United Arab Emirates πŸ‡¦πŸ‡ͺ United States of America πŸ‡ΊπŸ‡Έ
author keywords: PGNAA; gamma-gamma coincidence; detector response functions (DRF's)
Source: Web Of Science
Added: August 6, 2018

2006 journal article

CEARCPG: A Monte Carlo simulation code for normal and coincidence prompt-gamma-ray neutron activation analysis

Nuclear Science and Engineering, 155(1), 143–153.

By: X. Han n, R. Gardner n & W. Metwally n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

A new NaI detector arrangement for efficient detection of high energy gamma-rays

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 264(1), 133–137.

By: R. Gardner n, W. Metwally* & X. Han  n

co-author countries: United Arab Emirates πŸ‡¦πŸ‡ͺ United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2005 journal article

A study of the real-time deconvolution of digitized waveforms with pulse pile up for digital radiation spectroscopy

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 544(3), 668–678.

By: W. Guo n, R. Gardner n & C. Mayo n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: pulse pile up; digital spectroscopy; scintillation detector
Source: Web Of Science
Added: August 6, 2018

2005 journal article

CEARPGA II: A Monte Carlo simulation code for prompt-gamma-ray neutron activation analysis

NUCLEAR SCIENCE AND ENGINEERING, 151(3), 361–373.

By: W. Zhang n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Coincidence counting for PGNAA applications: Is it the optimum method?

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 265(2), 309–314.

By: W. Metwally n, C. Mayo n, X. Han n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2005 article

Development of a Monte Carlo - Library Least-Squares code package for the EDXRF inverse problem

Gardner, R. P., & Guo, W. (2005, June). POWDER DIFFRACTION, Vol. 20, pp. 146–152.

By: R. Gardner n & W. Guo n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Status of software for PGNAA bulk analysis by the Monte Carlo - Library Least-Squares (MCLLS) approach

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 264(1), 221–228.

By: R. Gardner n, W. Zhang n & W. Metwally*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2004 article

A Monte Carlo simulation approach for generating NaI detector response functions (DRFs) that accounts for non-linearity and variable flat continua

Gardner, R. P., & Sood, A. (2004, January). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 213, pp. 87–99.

By: R. Gardner n & A. Sood n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: detector response function; Monte Carlo simulation; NaI non-linearity; flat continua; Prompt gamma-ray neutron activation analysis
Source: Web Of Science
Added: August 6, 2018

2004 article

A new Monte Carlo assisted approach to detector response functions

Sood, A., & Gardner, R. P. (2004, January). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 213, pp. 100–104.

By: A. Sood* & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: detector response; Monte Carlo; spectrometry
Source: Web Of Science
Added: August 6, 2018

2004 article

A semi-empirical model for a Sr-90 beta-particle transmission thickness gauge for aluminum alloys

Gardner, R. P., Metwally, W. A., & Shehata, A. (2004, January). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 213, pp. 357–363.

By: R. Gardner n, W. Metwally n & A. Shehata n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Editorial

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 213, vii-viii.

By: W. Dunn, J. FernΓ‘ndez, R. Gardner* & A. Tartari

Source: Crossref
Added: January 3, 2021

2004 article

Elemental PGNAA analysis using gamma-gamma coincidence counting with the library least-squares approach

Metwally, W. A., Gardner, R. P., & Mayo, C. W. (2004, January). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 213, pp. 394–399.

By: W. Metwally*, R. Gardner* & C. Mayo*

author keywords: PGNAA; gamma-gamma coincidence
Source: Web Of Science
Added: August 6, 2018

2004 article

Optimization of the steady neutron source technique for absorption cross section measurement by using an Sb-124-Be neutron source

Sun, J., & Gardner, R. P. (2004, January). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 213, pp. 22–28.

By: J. Sun n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: absorption cross section; steady neutron source; sensitivity; MCNP
Source: Web Of Science
Added: August 6, 2018

2004 article

Preliminary studies on K and L coincidence spectroscopy for optimizing the in vivo XRF measurement of lead in bone

Guo, W. J., Gardner, R. P., & Metwally, W. A. (2004, January). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 213, pp. 574–578.

By: W. Guo n, R. Gardner n & W. Metwally n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: XRF; K and L X-ray coincidence; in vivo lead in bone measurement; MCLLS; differential operator
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Stabilization of prompt gamma-ray neutron activation analysis (PGNAA) spectra from NaI detectors

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 525(3), 518–521.

By: W. Metwally* & R. Gardner*

author keywords: spectral drift; spectrum stabilization; temperature and counting rate drifts; NaI non-linearity
Source: Web Of Science
Added: August 6, 2018

2004 journal article

The Monte Carlo approach MCPUT for correcting pile-up distorted pulse-height spectra

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 531(3), 520–529.

By: W. Guo n, S. Lee* & R. Gardner n

co-author countries: Korea (Republic of) πŸ‡°πŸ‡· United States of America πŸ‡ΊπŸ‡Έ
author keywords: Monte Carlo; MCPUT; pulse pile up; spectroscopy
Source: Web Of Science
Added: August 6, 2018

2004 article

The analog linear interpolation approach for Monte Carlo simulation of PGNAA: The CEARPGA code

Zhang, W. C., & Gardner, R. P. (2004, January). NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, Vol. 213, pp. 116–123.

By: W. Zhang n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Monte Carlo simulation; PGNAA; neutron activation analysis; sample analysis; library least-squares; Monte Carlo code
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Two-dimensional diagonal summing of coincidence spectra for bulk PGNAA applications

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 525(3), 511–517.

By: W. Metwally n, R. Gardner n & C. Mayo n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: two-dimensional diagonal summing; gamma-gamma coincidence; PGNAA
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Using the Monte Carlo - Library Least-Squares (MCLLS) approach for the in vivo XRF measurement of lead in bone

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 516(2-3), 586–593.

By: W. Guo  n, R. Gardner n & A. Todd *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: in vivo lead in bone measurement; XRF; least-squares fitting; MCLLS; CEARXRF
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Preliminary studies on combining the K and L XRF methods for in vivo bone lead measurement

Applied Radiation and Isotopes, 54(6), 893–904.

By: S. Lee n, R. Gardner n & A. Todd *

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Bone and Bones / chemistry; Humans; Lead / analysis; Lead Poisoning / diagnosis; Monte Carlo Method; Phantoms, Imaging; Reproducibility of Results; Spectrometry, X-Ray Emission / instrumentation; Spectrometry, X-Ray Emission / methods
Source: NC State University Libraries
Added: August 6, 2018

2000 article

A feasibility study of a coincidence counting approach for PGNAA applications

APPLIED RADIATION AND ISOTOPES, Vol. 53, pp. 515–526.

By: R. Gardner n, C. Mayo n, E. El-Sayyed n, W. Metwally n, Y. Zheng  n & M. Poezart n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: PGNAA coincidence
Source: Web Of Science
Added: August 6, 2018

2000 article

A new G-M counter dead time model

APPLIED RADIATION AND ISOTOPES, Vol. 53, pp. 731–737.

By: S. Lee n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: G-M counter model; G-M counter dead time; dead time model
Source: Web Of Science
Added: August 6, 2018

2000 article

Monte Carlo simulation for IRRMA

APPLIED RADIATION AND ISOTOPES, Vol. 53, pp. 837–855.

By: R. Gardner* & L. Liu

author keywords: Monte Carlo; simulation; IRRMA; radiation; radioisotopes; measurement applications
MeSH headings : Computer Simulation; Monte Carlo Method; Radiation; Radiometry / methods
Source: Web Of Science
Added: August 6, 2018

2000 article

NaI detector neutron activation spectra for PGNAA applications

APPLIED RADIATION AND ISOTOPES, Vol. 53, pp. 483–497.

By: R. Gardner n, E. Sayyed n, Y. Zheng n, S. Hayden n & C. Mayo n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: NaI detector; NaI activation; NaI activation spectra
Source: Web Of Science
Added: August 6, 2018

2000 article

Simulation of Compton camera imaging with a specific purpose Monte Carlo code

APPLIED RADIATION AND ISOTOPES, Vol. 53, pp. 673–680.

By: J. Earnhart n, T. Prettyman *, J. Lestone* & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Monte Carlo; Compton camera; gamma-ray imaging
Source: Web Of Science
Added: August 6, 2018

2000 article

Steady neutron source measurement method for Sigma(a) and Sigma(s) in geological samples

APPLIED RADIATION AND ISOTOPES, Vol. 53, pp. 603–616.

By: A. Sood n, R. Gardner n & T. Gray n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: cross section measurement; geological samples; steady neutron source
Source: Web Of Science
Added: August 6, 2018

1999 journal article

Monte Carlo simulation of neutron porosity oil well logging tools: Combining the geometry-independent fine-mesh importance map and one-dimensional diffusion model approaches

NUCLEAR SCIENCE AND ENGINEERING, 133(1), 80–91.

By: R. Gardner n & L. Liu*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

1999 journal article

NaI detector nonlinearity for PGNAA applications

APPLIED RADIATION AND ISOTOPES, 51(2), 189–195.

By: R. Gardner n & C. Mayo n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: prompt gamma; NAI nonlinearity; PGNAA
Source: Web Of Science
Added: August 6, 2018

1998 article

Monte Carlo aided treatments of the nonlinear inverse PGNAA measurement problem for various continuous on-line applications

Gardner, R. P., Guo, P., Sood, A., Mayo, C. W., Gehrke, R. J., & Dobbs, C. L. (1998, July). JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, Vol. 233, pp. 105–107.

By: R. Gardner n, P. Guo n, A. Sood  n, C. Mayo n, R. Gehrke* & C. Dobbs*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

1998 chapter

Nuclear radiation gages and analyzers

In G. Birnbaum & B. A. Auld (Eds.), Sensing for materials characterization, processing, and manufacturing (pp. 153–182). Columbus, OH: American Society for Nondestructive Testing, Inc.

By: R. Gardner & C. Dobbs

Ed(s): . G. Birnbaum & B. Auld

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

A geometry-independent fine-mesh-based Monte Carlo importance generator

NUCLEAR SCIENCE AND ENGINEERING, 125(2), 188–195.

By: L. Liu n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

A preliminary investigation of a beta-particle transmission gauge for seam quality determination

TEXTILE RESEARCH JOURNAL, 67(1), 23–34.

By: K. Titus n, T. Clapp n, Z. Zhu  n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Black box radiation gauges and analyzers: Dream or reality?

APPLIED RADIATION AND ISOTOPES, 48(10-12), 1273–1288.

By: R. Gardner n, P. Guo n, Q. Ao n & C. Dobbs

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Monte Carlo Method; Radiometry / instrumentation
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Development of the specific purpose Monte Carlo code CEARXRF for the design and use of in vivo X-ray fluorescence analysis systems for lead in bone

APPLIED RADIATION AND ISOTOPES, 48(10-12), 1403–1412.

By: Q. Ao n, S. Lee n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Bone and Bones / chemistry; Cadmium Radioisotopes; Humans; Lead / analysis; Monte Carlo Method; Sensitivity and Specificity; Spectrometry, X-Ray Emission / methods
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Feasibility of neutron activation methods for measurement of sodium and aluminum in green liquor

APPLIED RADIATION AND ISOTOPES, 48(10-12), 1355–1372.

By: R. Gardner n, P. Guo n, Y. Wang n, A. Sood  n, S. Lee  n & C. Dobbs*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

On extending the accurate and useful counting rate range of GM counter detector systems

APPLIED RADIATION AND ISOTOPES, 48(10-12), 1605–1615.

By: R. Gardner n & L. Liu n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Optimization of in vivo X-ray fluorescence analysis methods for bone lead by simulation with the Monte Carlo code CEARXRF

APPLIED RADIATION AND ISOTOPES, 48(10-12), 1413–1423.

By: Q. Ao n, S. Lee n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
MeSH headings : Bone and Bones / chemistry; Cadmium Radioisotopes; Humans; Lead / analysis; Monte Carlo Method; Spectrometry, X-Ray Emission / methods
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Single peak versus library least-squares analysis methods for the PGNAA analysis of vitrified waste

APPLIED RADIATION AND ISOTOPES, 48(10-12), 1331–1335.

By: R. Gardner n, A. Sood  n, Y. Wang n, L. Liu n, P. Guo n & R. Gehrke*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Spectral gamma-ray log interpretation algorithms using the Monte Carlo multiply scattered components approach

APPLIED RADIATION AND ISOTOPES, 48(10-12), 1373–1383.

By: P. Guo n, Q. Ao n & R. Gardner n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Web Of Science
Added: August 6, 2018