Recent Publications

  • A. K. Roy, S. Chanda, D. P. Wells, A. Ghosh, C. K. Mukhopadhyay, Residual Stress Characterization of Welded Specimens by Nondestructive Activation Technique, Materials Science and Engineering A 464 (1-2), 281 (2007).

  • K. Chouffani, F. Harmon, D.P. Wells and G. Lancaster, Generation and Application of Laser Compton Scattering, accepted for publication in Lasers and Particle Beams (2007).

  • S. J. Thompson, M. T. Kinlaw, J. F. Harmon, D. P. Wells, E. B. Farfan, and A. W. Hunt, Utilization of high-energy neutrons for the detection of fissionable materials, Applied Physics Letters 90, 074106 (2007).

  • L.C. DeVeaux,, J.A. Müller, J.R. Smith, D.P. Wells, J.E. Petrisko, S. DasSarma, Extremely radiation-resistant mutants of a halophilic archaeon with increased single-stranded DNA binding protein (RPA) gene expression, Radiation Research 168 (4), 507 (2007). (Note: This paper was selected as the featured article from the October issue for open access on BioOne)

  • V. Makarashvili, D. P. Wells, MCNPX Simulations for Positron Production Mechanisms to Generate Defect Density Images using Positron Annihilation Energy Spectroscopy, Proceedings of the Eighth International Topical Meeting on Nuclear Applications and Utilization of Accelerators, in press (2007).

  • H. D. G. Maschner, B. Benson, J..Green, D.P. Wells, Photon Activation for Archaeological Analysis at Idaho State University, Proceedings of the Eighth International Topical Meeting on Nuclear Applications and Utilization of Accelerators, in press (2007).

  • L.C. DeVeaux, J. R. Smith, S. Hobdey, E. C. Spindler, D.P. Wells, C. Frandsen, T. Webb, W. Beezhold, Effect of Electron Beam Dose Rate on Microbial Survival, Proceedings of the Eighth International Topical Meeting on Nuclear Applications and Utilization of Accelerators, in press (2007).

  • S.J. Thompson, M. T. Kinlaw, J. F. Harmon and D. P. Wells and A. W. Hunt, Sensitivity Upgrades to the Idaho Accelerator Center Neutron Time of Flight Spectrometer, Proceedings of the VII Latin American Symposium on Nuclear Physics and Applications, edited by R. Alarcon, P. L. Cole, C. Djalali and F. Umeres (American Institute of Physics, Washington D.C.), p. 63 (2007).

  • P. Cole, J. Farley, R. Spaulding, J.F. Harmon, D.P. Wells, Measuring the 20.2 ms half-life of the 472 keV line from the Isomer 24mNa with Pulsed Photons at the Idaho Accelerator Center, Nuclear Instruments and Methods in Physics B 261 (1-2) 822 (2007).

  • A. K. Roy, S. Bandyopadhyay, S. B. Suresh, D. Maitra, P. Kumar, D.P. Wells, L. Ma, Relationship of residual stress to dislocation density in cold-worked martensitic alloy, Materials Science and Engineering A 416, 134 (2006).

  • A. K. Roy, S. Bandyopadhyay, S. B. Suresh, D.P. Wells, Comparison of Residual Stress in Martensitic Alloys by Nondestructive Techniques, Materials Science and Engineering A 419, 372 (2006).

  • L. Tchelidze, D.P. Wells, Positron annihilation energy and lifetime spectroscopy studies on stainless steel 316L and steel 9Cr1Mo, Proceedings of I. Javakhishvili Tbilisi State University, ISSN 1512-1461, Pages 173-180 (2006).

  • K. Chouffani, J.F. Harmon, D.P. Wells, J.L. Jones, G. Lancaster, Laser-Compton Scattering as a Tool for Electron Beam Diagnostics, Laser and Particle Beams 24, 411 (2006).

  • L.C. DeVeaux, D.P. Wells, A.W. Hunt, T. Webb,W. Beezhold, Accelerator-Based Radiation Sources for Next-Generation Biological Research, Nuclear Instruments and Methods in Physics Research A 562, 981 (2006).

  • L.C. DeVeaux, L.S. Durtschi, J.G. Case, D.P, Wells, Bystander Effects in Unicellular Organisms, Mutation Research 597, 78 (2006).

  • K. Chouffani, J.F. Harmon, D.P. Wells, J.L. Jones, G. Lancaster, Determination of Electron Beam Parameters by means of Laser Compton Scattering, Phys. Rev. Spec. Topics AB 9, 050701 (2006).

  • M. A. Okuniewski, S. A. Maloy, M. R. James, J. F. Stubbins, C. S. Deo, S. G. Srivilliputhur, M. I. Baskes, D. P. Wells, F. A. Selim, Positron Annihilation Spectroscopy of Proton Irradiated Single Crystal BCC Iron, Journal of Nuclear Materials 351 (1-3) 149 (2006).

  • D.P. Wells, A.W. Hunt, L.Tchelidze, J. Kumar, K. Smith, S. Thompson, F. Selim, J. Williams, J.F. Harmon, S. Maloy, A. Roy, Gamma-induced Positron Annihilation Spectroscopy and Application to Radiation-damaged Alloys, Nuclear Instruments and Methods A 562, 688 (2006).

  • F. A. Selim, D. P. Wells, J. F. Harmon, J. Williams, Positron Lifetime Measurements by Proton Capture, Journal of Scientific Instruments 76, 033905 (2005).

  • F. A. Selim, D. P. Wells, J. F. Harmon, Development of a new Positron Lifetime Spectroscopy Technique for Defect and Stress Characterization in Thick Materials, Journal of Applied Physics 97, 113539-1 (2005).

  • F. A. Selim, D. P. Wells, J. F. Harmon, J. Williams, High-depth Nondestructive Stress  Measurements on Thick Steel Alloys, Journal of Applied Physics 97, 113540-1 (2005).

  • A.K. Roy, A. Venkatesh, V. Marthandam, S.B. Dronavalli, D.P. Wells, R. Rogge, Residual Stress Characterization in Structural Materials by Destructive and Non-destructive Techniques, Journal of Materials Engineering and Performance 14, 203 (2005).

  • A.W. Hunt, R. Spaulding, J. Urban-Klaehn, J.F. Harmon, D.P. Wells, Defect Imaging of Structural Objects using Positron Annihilation Spectroscopy, Nuclear Instruments and Methods B 241, 262 (2005).

  • F.A. Selim, J. Williams, D.P. Wells, J.F. Harmon, Investigation of Shock Wave Effects in on Positron Annihilation in Copper and Tungsten, Nuclear Instruments and Methods B 241, 253 (2005).

  • A.K. Roy, A. Venkatesh, S. Dronavalli, V. Marthandam, D.P. Wells, F.A. Selim, R. Rogge, Residual Stress Measurements in Welded and Plastically Deformed Target Structural Materials, Journal of ASTM International 2, 12564 (2005).

  • F. A. Selim, D. P. Wells, J. F. Harmon, J. Kwofie, A. K. Roy, Applications of Electron Linacs in Stress and Defect Measurements, Proceedings of the 6th International ANS meeting on Nuclear Applications of Accelerator Technology, 900 (2004).

  • K. Chouffani, J.F. Harmon, D. P. Wells, J.L. Jones, Laser-Compton Scattering for and Intense, Monochromatic X-ray Source, Proceedings of the 6th International ANS meeting on Nuclear Applications of Accelerator Technology, 946 (2004).

  • F. A. Selim, D.P. Wells, J. F. Harmon, J. Kwofie, G. Erickson, T. Roney, New Positron Annihilation Spectroscopy Techniques for Thick Materials, Journal of Radiation Physics and Chemistry 68, 427 (2003).

  • F. A. Selim, D.P. Wells, J. F. Harmon, J. Kwofie, A. K. Roy, T. White, T. Roney, Stress analysis using Bremsstrahlung Radiation, Advances in X-ray Analysis 46, 106 (2003).

  • F. A. Selim, D.P. Wells, J. F. Harmon, J. Kwofie, G. Lancaster, J. L. Jones, Bremsstrahlung Based Positron Annihilation Spectroscopy for Material Defect Analysis in : Applications of Accelerators in Research and Industry, J. L. Duggan and I. L. Morgan, editors; American Institute of Physics 680, 499 (2003).

  • J. Kwofie, D.P. Wells, F.A. Selim, J.F. Harmon, S. Duttagupta, J.L. Jones, T. White, T. Roney, Bremsstrahlung-based Assays of Process and Waste Streams, Applications of Accelerators in Research and Industry, J. L. Duggan and I. L. Morgan, editors; American Institute of Physics 680, 943 (2003).

  • W.W. Scates, D.P. Wells, J.F. Harmon, A Test of the Exponential Decay Law by Photo-Production of Nuclear Isomers, Applications of Accelerators in Research and Industry, J. L. Duggan and I. L. Morgan, editors; American Institute of Physics 680, 305 (2003).

  • K. Chouffani, D.P. Wells, J.F Harmon, J.L. Jones, G. Lancaster, Laser-compton Scattering as a Potential Bright X-Ray Source, Advances in X-ray Analysis 46, 74 (2003).

  • K. Chouffani, D.P. Wells, J.F Harmon, J.L. Jones, G. Lancaster, Exotic X-ray Sources from Intermediate Energy Electron Beams, Applications of Accelerators in Research and Industry, J. L. Duggan and I. L. Morgan, editors; American Institute of Physics 680, 804 (2003).

  • J. L. Alvarez, R. Geddes, J. E. Rice, T. F. Gesell, D.P. Wells, Elemental Phosphorous Slag Exposure Study in Southeastern Idaho, USA, 5th International Conference on High Levels of Natural Radiation and Radon Areas: Radiation Dose and Health Effects, Excerpta Medica International Congress Series, Munich (2002).

  • K. Chouffani, D.P. Wells, J.F Harmon, J.L. Jones, G. Lancaster, Laser-Compton Scattering from a 20 MeV Electron Beam, Nuclear Instruments and Methods A 495, 95 (2002).

  • K. Chouffani, D.P. Wells, J.F Harmon, J.L. Jones, G. Lancaster, Laser-Compton Scattering as a Potential Electron Beam Monitor, AIP Beam Instrumentation Workshop Conference Proceedings, AIP 648, 497 (2002).

  • F. A. Selim, D.P. Wells, J. F. Harmon, W. Scates, J. Kwofie, R. Spaulding, S.P. Duttagupta, J.L. Jones, T. White, T. Roney Doppler Broadening Measurements of Positron Annihilation Using Bremsstrahlung Radiation, Nuclear Instruments and Methods B 192, 197 (2002).
  • F. A. Selim, D.P. Wells, F. J. Harmon, J. Kwofie, R. Spaulding, G.Erickson, T. Roney, Bremsstrahlung-induced non-destructive probes for chemical assays and defect analysis, Nuclear Instruments and Methods A 495,154 (2002).

  • D.P. Wells, F.A. Selim, F. J. Harmon, W.W. Scates, J. Kwofie, R. Spaulding, S. Duttagupta, J.L. Jones, T. White, T. Roney, Development of Accelerator-based X-ray Fluorescence for Large Sample Assay, Advances in X-ray Analysis 45, 447 (2002).

  • D.P. Wells, J.L. Jones, W.Y. Yoon, F. Harmon, “Cabinet-Safe” Study of 1-8 MeV Electron Accelerators, Nuclear Instruments and Methods A 463, 118 (2001).

  • D.P. Wells, J.F. Harmon, W.W. Scates, R. Spaulding, A Test of the Exponential Decay Law by Photo-Production of Nuclear Isomers, 16th International Conference on the Application of Accelerators in Research and Industry CAARI 2000, AIP Press, Denton, Texas (2001).

  • K. Chouffani, D.P. Wells, J.F. Harmon, Optical Transition Radiation from Copper, Aluminum and Silicon Crystals, Proceedings of the 21st ICFA Beam Dynamics International Conference on Colliding Beams, Brookhaven, NY (2001).

  • F.A. Selim, D.P. Wells, F. J. Harmon, J. Kwofie, W. Scates, R. Spaulding, G.Erickson, S.A. Parke, S.P. Duttagupta, J.L. Jones, T. White, T. Roney, Development of Bremsstrahlungbased Positron Probe for Assay and Defect Analysis, Proceedings of the 1st Inland Northwest Research Alliance Conference on Sub-surface Science (2001).

  • J. Kwofie, D.P. Wells, F. A. Selim, F. J. Harmon, W. Scates, R. Spaulding, G.Erickson, S.A. Parke, S.P. Duttagupta, J.L. Jones, T. White, T. Roney, Accelerator-Based XRF for Subsurface Science, Proceedings of the 1st Inland Northwest Research Alliance Conference on Sub-surface Science (2001).

  • D.P. Wells, J.E. Kwofie, F. Selim, J.F. Harmon, W. Scates, Accelerator-Based X-Ray Fluorescence (AXRF) for Waste Assays and Environmental Applications, Health Physics 80, S114 (2001).

  • W. Scates, J.F. Harmon, D. Nigg, Y. Harker, D.P. Wells, Monte-Carlo Investigation of Photo-Neutron Sources for Boron Neutron Capture Therapy, Health Physics 80, S108 (2001).

  • D.P. Wells, L.C. DeVeaux, E.L. Roethlisberger, T.F. Gesell, Development of Biologically-Based Radiation Dosimetry, Health Physics 80, S100 (2001).

  • D.P. Wells, F. Harmon, J.L. Jones, Development of Cabinet-Safe Accelerator Technology, Health Physics 78, S80 (2000).

  • D.P. Wells, J.L. Jones, W. Yoon and F. Harmon, Development of Cabinet-Safe Accelerator Technology for Environmental Applications, The International Chemical Congress of Pacific Basin Societies, Pacific-Chem (2000).

  • A. P. Tonchev, D.P. Wells, J. L. Jones, F. Harmon, Application of Unconventional x-ray Resonance Fluorescence for Subsurface Science, The International Chemical Congress of Pacific Basin Societies, Pacific-Chem (2000).

  • D.W. Walker, C.T. Briggs, K.C. Thompson, R.E. Dunker, T.F. Gesell, D.P. Wells, Investigation of In-Situ Gamma Spectroscopy for Routine Environmental Surveillance at the INEEL, Health Physics 78, S38 (2000).