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NCSU Scholarly Publications Repository (Search Again)

A growing collection of publications and full text of scholarly works by NC State faculty members, graduate students, and research staff.

Number of Publications: 72
Gardner, Robin P.


Articles
Chang, H. P., Meric, I., Sudac, D., Nad, K., Obhodas, J., & Gardner, R. P. (2017). Development of a method for on-line determination of chlorine impurity in crude oil by using fast neutrons. Fuel , 209, 643-649.

Liu, J. T., Zhang, F., Gardner, R. P., Hou, G. J., Zhang, Q. Y., Zhang, Y., Li, X. H., Li, H., & Hu, C. (2016). 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.

Gardner, R. P., & Lee, K. O. (2015). Personal reflections on the highlights and changes in radiation and radioisotope measurement applications. Radiation Physics and Chemistry, 116, 28-31.

Miller, I., Holmes, T. W., & Gardner, R. P. (2015). An analytical approach for treating background in spectral analysis measurements. Radiation Physics and Chemistry, 116, 87-91.

Liu, J. T., Zhang, F., Gardner, R. P., Hou, G. J., Zhang, Q. Y., & Li, H. (2015). A method to evaluate hydraulic fracture using proppant detection. Applied Radiation and Isotopes, 105, 139-143.

Hou, G. J., & Gardner, R. P. (2015). A new G-M counter hybrid dead-time correction model. Radiation Physics and Chemistry, 116, 125-129.

Meric, I., Johansen, G. A., Mattingly, J., & Gardner, R. P. (2014). On the ill-conditioning of the multiphase flow measurement by prompt gamma-ray neutron activation analysis. Radiation Physics and Chemistry, 95, 401-404.

Wang, Z. J., Lee, K. O., & Gardner, R. P. (2014). A dual system for monitoring the positions of multiple radioactive tracer pebbles in scaled pebble bed reactors. Nuclear Technology, 185(3), 259-269.

Lee, K. O., & Gardner, R. P. (2013). Prediction of pebble motion in pebble-bed reactors using Monte Carlo molecular dynamics simulation. Nuclear Science and Engineering, 174(3), 264-285.

Meric, I., Johansen, G. A., Holstad, M. B., Calderon, A. F., & Gardner, R. P. (2012). 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.

Lee, K. O., Holmes, T. W., Calderon, A. F., & Gardner, R. P. (2012). 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.

Meric, I., Johansen, G. A., Holstad, M. B., Mattingly, J., & Gardner, R. P. (2012). On the treatment of ill-conditioned cases in the Monte Carlo library least-squares approach for inverse radiation analyzers. Measurement Science & Technology, 23(5).

Yu, H. W., Sun, J. M., Wang, J. X., & Gardner, R. P. (2011). Accuracy and borehole influences in pulsed neutron gamma density logging while drilling. Applied Radiation and Isotopes, 69(9), 1313-1317.

Wang, J. X., Calderon, A., Peeples, C. R., Ai, X. Y., & Gardner, R. P. (2011). 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.

Meric, I., Johansen, G. A., Holstad, M. B., & Gardner, R. P. (2011). 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.

Meric, I., Johansen, G. A., Holstad, M. B., Wang, J. X., & Gardner, R. P. (2011). Produced water characterization by prompt gamma-ray neutron activation analysis. Measurement Science & Technology, 22(12).

Gardner, R. P., Ai, X. Y., Peeples, C. R., Wang, J. X., Lee, K., Peeples, J. L., & Calderon, A. (2011). 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.

Gardner, R. P., & Li, F. S. (2011). 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.

Holmes, T. W., Calderon, A., Peeples, C. R., & Gardner, R. P. (2011). 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.

Wang, J. X., Li, F. S., & Gardner, R. P. (2008). On the use of prompt gamma-ray neutron activation analysis for determining phase amounts in multiphase flow. Measurement Science & Technology, 19(9).

Kulisek, J. A., Hartwell, J. K., McIlwain, M. E., & Gardner, R. P. (2007). Design and preliminary Monte Carlo calculations of an active Compton-suppressed LaBr3(Ce) detector system for TRU assay in remote-handled wastes. Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors, and Associated Equipment, 580(1), 226-229.

Han, X., & Gardner, R. P. (2007). The Monte Carlo code CEARCPG for coincidence prompt gamma-ray neutron activation analysis. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 263(1), 320-325.

Lee, S. H., Jae, M., & Gardner, R. P. (2007). Non-poisson counting statistics of a hybrid G-M counter dead time model. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 263(1), 46-49.

Metwally, W. A., Gardner, R. P., & Sood, A. (2007). Using gamma-gamma coincidence measurements to validate Monte Carlo generated detector response functions. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 263(1), 50-53.

Han, X. G., Gardner, R. P., & Metwally, W. A. (2006). CEARCPG: A Monte Carlo simulation code for normal and coincidence prompt-gamma-ray neutron activation analysis. Nuclear Science and Engineering, 155(1), 143-153.

Zhang, W. C., & Gardner, R. P. (2005). CEARPGA II: A Monte Carlo simulation code for prompt-gamma-ray neutron activation analysis. Nuclear Science and Engineering, 151(3), 361-373.

Metwally, W. A., Mayo, C. W., Han, X., & Gardner, R. P. (2005). Coincidence counting for PGNAA applications: Is it the optimum method?. Journal of Radioanalytical and Nuclear Chemistry, 265(2), 309-314.

Gardner, R. P., & Guo, W. (2005). Development of a Monte Carlo - Library Least-Squares code package for the EDXRF inverse problem. Powder Diffraction, 20(2), 146-152.

Gardner, R. P., Zhang, W., & Metwally, W. A. (2005). 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.

Gardner, R. P., Metwally, W. A., & Han, X. G. (2005). A new NaI detector arrangement for efficient detection of high energy gamma-rays. Journal of Radioanalytical and Nuclear Chemistry, 264(1), 133-137.

Guo, W. J., Gardner, R. P., & Mayo, C. W. (2005). 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.

Guo, W. J., Lee, S. H., & Gardner, R. P. (2004). 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.

Metwally, W. A., & Gardner, R. P. (2004). 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.

Metwally, W. A., Gardner, R. P., & Mayo, C. W. (2004). 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.

Guo, W. J., Gardner, R. P., & Todd, A. C. (2004). 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(03-Feb), 586-593.

Metwally, W. A., Gardner, R. P., & Mayo, C. W. (2003). Elemental PGNAA analysis using gamma-gamma coincidence counting with the library least-squares approach. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 213(Jan), 394-399.

Gardner, R. P., & Sood, A. (2003). A Monte Carlo simulation approach for generating NaI detector response functions (DRFs) that accounts for non-linearity and variable flat continua. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 213(Jan), 87-99.

Sun, J., & Gardner, R. P. (2003). Optimization of the steady neutron source technique for absorption cross section measurement by using an Sb-124-Be neutron source. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 213(Jan), 22-28.

Guo, W. J., Gardner, R. P., & Metwally, W. A. (2003). Preliminary studies on K and L coincidence spectroscopy for optimizing the in vivo XRF measurement of lead in bone. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 213(Jan), 574-578.

Zhang, W. C., & Gardner, R. P. (2003). The analog linear interpolation approach for Monte Carlo simulation of PGNAA: The CEARPGA code. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 213(Jan), 116-123.

Sood, A., & Gardner, R. P. (2003). A new Monte Carlo assisted approach to detector response functions. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 213(Jan), 100-104.

Gardner, R. P., Metwally, W. A., & Shehata, A. (2003). A semi-empirical model for a Sr-90 beta-particle transmission thickness gauge for aluminum alloys. Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions With Materials and Atoms, 213(Jan), 357-363.

Lee, S. H., Gardner, R. P., & Todd, A. C. (2001). Preliminary studies on combining the K and L XRF methods for in vivo bone lead measurement. Applied Radiation and Isotopes, 54(6), 893-904.

Gardner, R. P., & Liu, L. Y. (2000). Monte Carlo simulation for IRRMA. Applied Radiation and Isotopes, 53(4-5), 837-855.

Gardner, R. P., Sayyed, E., Zheng, Y. S., Hayden, S., & Mayo, C. W. (2000). NaI detector neutron activation spectra for PGNAA applications. Applied Radiation and Isotopes, 53(4-5), 483-497.

Earnhart, J., Prettyman, T., Lestone, J., & Gardner, R. (2000). Simulation of Compton camera imaging with a specific purpose Monte Carlo code. Applied Radiation and Isotopes, 53(4-5), 673-680.

Sood, A., Gardner, R. P., & Gray, T. K. (2000). Steady neutron source measurement method for Sigma(a) and Sigma(s) in geological samples. Applied Radiation and Isotopes, 53(4-5), 603-616.

Gardner, R. P., Mayo, C. W., El-Sayyed, E. S., Metwally, W. A., Zheng, Y., & Poezart, M. (2000). A feasibility study of a coincidence counting approach for PGNAA applications. Applied Radiation and Isotopes, 53(4-5), 515-526.

Lee, S. H., & Gardner, R. P. (2000). A new G-M counter dead time model. Applied Radiation and Isotopes, 53(4-5), 731-737.

Gardner, R. P., & Liu, L. Y. (1999). 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.

Gardner, R. P., & Mayo, C. W. (1999). NaI detector nonlinearity for PGNAA applications. Applied Radiation and Isotopes, 51(2), 189-195.

Gardner, R. P., Guo, P., Sood, A., Mayo, C. W., Gehrke, R. J., & Dobbs, C. L. (1998). Monte Carlo aided treatments of the nonlinear inverse PGNAA measurement problem for various continuous on-line applications. Journal of Radioanalytical and Nuclear Chemistry, 233(1-2), 105-107.

Gardner, R. P., Guo, P., Ao, Q., & Dobbs, C. L. (1997). Black box radiation gauges and analyzers: Dream or reality?. Applied Radiation and Isotopes, 48(10-12), 1273-1288.

Ao, Q., Lee, S. H., & Gardner, R. P. (1997). 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.

Gardner, R. P., Guo, P., Wang, Y. Y., Sood, A., Lee, S. H., & Dobbs, C. L. (1997). Feasibility of neutron activation methods for measurement of sodium and aluminum in green liquor. Applied Radiation and Isotopes, 48(10-12), 1355-1372.

Gardner, R. P., & Liu, L. Y. (1997). On extending the accurate and useful counting rate range of GM counter detector systems. Applied Radiation and Isotopes, 48(10-12), 1605-1615.

Ao, Q., Lee, S. H., & Gardner, R. P. (1997). 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.

Gardner, R. P., Sood, A., Wang, Y. Y., Liu, L., Guo, P., & Gehrke, R. J. (1997). Single peak versus library least-squares analysis methods for the PGNAA analysis of vitrified waste. Applied Radiation and Isotopes, 48(10-12), 1331-1335.

Guo, P., Ao, Q., & Gardner, R. P. (1997). Spectral gamma-ray log interpretation algorithms using the Monte Carlo multiply scattered components approach. Applied Radiation and Isotopes, 48(10-12), 1373-1383.

Liu, L.-Y., & Gardner, R. P. (1997). A geometry-independent fine-mesh-based Monte Carlo importance generator. Nuclear Science and Engineering, 125(2), 188-195.

Titus, K. J., Clapp, T. G., Zhu, Z., & Gardner, R. P. (1997). A preliminary investigation of a beta-particle transmission gauge for seam quality determination. Textile Research Journal, 67(1), 23-34.

Chapters
Gardner, R. P., & Dobbs, C. L. (1998). 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.

Conference Papers
Wang, J. X., Wang, Z. J., Peeples, J., Yu, H. W., & Gardner, R. P. (2012). Development of a simple detector response function generation program: The CEARDRFs code. (Applied Radiation and Isotopes, 70 7) (pp. 1166-1174).

Li, F. S., & Gardner, R. P. (2012). Implementation of the elemental library stratified sampling technique on the GUI-based Monte Carlo library least squares (MCLLS) approach for EDXRF analysis. (Applied Radiation and Isotopes, 70 7) (pp. 1243-1249).

Li, A., Smith, N., Hehlen, M. P., McKigney, E. A., & Gardner, R. (2012). Light yield measurement method for milled nanosize inorganic crystals. (Applied Radiation and Isotopes, 70 7) (pp. 1219-1222).

Peeples, J. L., & Gardner, R. P. (2012). Monte Carlo simulation of the nonlinear full peak energy responses for gamma-ray scintillation detectors. (Applied Radiation and Isotopes, 70 7) (pp. 1058-1062).

Peeples, C. R., Mickael, M., & Gardner, R. P. (2010). On replacing Am-Be neutron sources in compensated porosity logging tools. (Applied Radiation and Isotopes, 68 4-5) (pp. 926-931).

Gardner, R. P., & Sood, A. (2010). On the future of Monte Carlo simulation for nuclear logs. (Applied Radiation and Isotopes, 68 4-5) (pp. 932-935).

Li, F. S., & Gardner, R. P. (2010). Semi-empirical modeling of gamma-ray density logs with the possibility of obtaining more information. (Applied Radiation and Isotopes, 68 4-5) (pp. 936-940).

Gardner, R. P., & Xu, L. B. (2009). Status of the Monte Carlo library least-squares (MCLLS) approach for non-linear radiation analyzer problems. (Radiation Physics and Chemistry, 78 10) (pp. 843-851).

Patents
Gardner, R. P. (2007). Gamma ray detectors having improved signal-to-noise ratio and related systems and methods for analyzing bulk materials. U.S. Patent No. 7,214,942. Washington, DC: U.S. Patent and Trademark Office.

Garnder, R. P. (2007). Gamma ray detectors having improved signal-to-noise ratio and related systems and methods for analyzing materials in an oil well. U.S. Patent No. 7,309,857. Washington, DC: U.S. Patent and Trademark Office.


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