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Research Interest:

Biological effects of radiation; radiation damage in materials and particle track structure; material analysis and modification using ion beams; atomic collision processes.

Primary research funding: NSF, NIH/NCI, NASA, DOE



Dr. Jefferson Shinpaugh

Dr. Shinpaugh

Selected Presentations:

Particle-induced electron emission from condensed phase targets: Applications to nanoparticle radiosensitizers in ion beam cancer therapy, invited presentation at the 24th International Conference on the Application of Accelerators in Research and Industry, Fort Worth, Texas, November 1, 2016.

Studies of charged particle radiation damage to biological systems at East Carolina University, colloquium at the Department of Physics, Auburn University, Auburn, Alabama, April 1, 2016.  

Experimental studies using ion beams for microdosimetry, material analysis, and atomic physics, colloquium at the University of Louisiana at Lafayette, Department of Physics, January 27, 2016.

Electron production and transport in biologic material induced by fast ions, invited presentation at the 6th Conference on Elementary Processes in Atomic Systems, Bratislava, Slovakia, July 2014.

Secondary electron production and transport in biologic material induced by fast ions, invited presentation at the workshop on Radiation Damage in Biomolecular Systems: Nanoscale Insights into Ion-Beam Cancer Therapy, Sopot, Poland, May 2013.

Upgrade to the East Carolina University Accelerator Laboratory, invited presentation at the 22nd International Conference on the Application of Accelerators in Research and Industry, Fort Worth, Texas, August 2012.  

Experimental studies using ion beams: atomic collisions, microdosimetry, and materials analysis, colloquium at the University of Louisiana at Lafayette, Department of Physics, January 18, 2012.

Electron emission from condensed-phase materials induced by fast ions, colloquium at the Department of Physics, Missouri University of Science and Technology, Rolla, Missouri, December 1, 2011.  

 

Selected Publications:

K. Tokesi, L.H. Toburen, J.L. Shinpaugh, The signature of the Fermi-shuttle type multiple ionization in collision between carbon ions and neon atoms, proceedings of the 22nd International Conference on the Application of Accelerators in Research and Industry, American Institute of Physics 2013.

J.L. Shinpaugh, R.A. McLawhorn, S.L. McLawhorn, K.D. Carnes, M. Dingfelder, and L.H. Toburen, "Electron emission from condensed-phase materials induced by fast protons," Radiation Protection Dosimetry 143, 135 (2011).

L.H. Toburen, R.A. McLawhorn, S.L. McLawhorn, K.D. Carnes, M. Dingfelder, and J.L. Shinpaugh, “Electron emission from amorphous solid water induced by the passage of energetic protons and fluorine ions", Radiation Research 174, 107 (2010).

R.A. McLawhorn, S.L. McLawhorn, K.D. Carnes, P. Richard, M. Dingfelder, L.H. Toburen, and J.L. Shinpaugh, "Doubly Differential Electron Yields from Thin Copper Foils Induced by Fast Ion Impact," Proceedings of the 20th International Conference on the Applications of Accelerators in Research and Industry, eds. F.D. McDaniel and B.L. Doyle, American Institute of Physics Press, Melville, NY, CP1099, 176 (2009).

M. Dingfelder, A. Travia, R.A. McLawhorn, J.L. Shinpaugh, and L.H. Toburen, "Electron Emission from Foils and Biological Materials after Proton Impact," Radiation Physics and Chemistry, 77, 1213 (2008).

J.M. Sanders, R.D. DuBois, S.T. Manson, S. Datz, E.F. Deveney, H.F. Krause, J.L. Shinpaugh, and C.R. Vane, "Ionization in fast atom-atom collisions: The influence and scaling behavior of electron-electron and electron-nucleus interactions," Physical Review A, 76, 062710 (2007).

L.H. Toburen, S.L. McLawhorn, R.A. McLawhorn, N.L. Evans, E.L.B. Justiniano, J.L. Shinpaugh, D.R. Schultz, and C.O. Reinhold, "Charge transfer and ionization by intermediate-energy heavy ions," Radiation Protection Dosimetry, 122, 22 (2006).

L.H. Toburen, M. Dingfelder, N. Ozturk, W. Friedland, W.E. Wilson, J.L. Shinpaugh, and H.G. Paretzke, "Sensitivity of electron transport calculations to elastic and inelasticscattering cross sections," Radiation Research 161, 106 (2004).

L.H. Toburen, J.L. Shinpaugh, and E.L.B. Justiniano, "Modeling interaction cross sections for intermediate and low energy ions," Radiation Protection Dosimetry, 99, 49, (2002).

L.H. Toburen and J.L. Shinpaugh, "Laboratory Data Needs and Applications for assessing Radiation Effects in Biological Materials," Proceedings of the 3rd International Conference on Atomic and Molecular Data and Their Applications, eds. D.R. Schultz et al., American Institute of Physics, CP636, p. 23 (2002) (Gatlinburg, Tennessee, April 24-27, 2002).

M.R. Fogle, B. Daly, M. Evans, E.L.B. Justiniano, C.J. Kovacs, J.L. Shinpaugh, and L.H. Toburen, "Determination of Plasma Trace Elements in Tumor-Bearing Animals by Proton-Induced X-ray Emission Spectroscopy," Biological Trace Element Research, 83, 181 (2001).

J.S. Thompson, A.M. Covington, P.S. Krstic, M. Pieksma, J.L. Shinpaugh, P.C. Stancil, and C.C. Havener, "Low-Energy Electron Capture by Cl 7+ from D using Merged Beams," Physical Review A, 63, 012717, (2001).

C.C. Havener, P.S. Krstic, P.C. Stancil, J.S. Thompson, A.M. Covington, M. Pieksma, and J.L. Shinpaugh, ”Low-Energy Capture from H by Heavy Multicharged Ions using Merged Beams," Proceedings of the XXII International Conference on Photonic, Electronic, and Atomic Collisions, eds. S. Datz, M.E. Bannister, H.F. Krause, L.H. Saddiq, D. Schultz, and C.R. Vane, p. 507 (Rinton Press, Princeton, 2001).

J.L. Shinpaugh, L.H. Toburen, and E.L.B. Justiniano, "Fluorine Auger-electron production in collisions of H+ and Li2+ ions with Fluorocarbon targets," Physical Review A, 60, R4213 (1999).

J.M. Sanders, J.L. Shinpaugh, S. Datz, F. Segner, and M. Breinnig, "Dependence of the Binary Encounter Peak Energy on the Projectile Core," Physical Review A 55, 426 (1997).

J.L. Shinpaugh, "Transmission Gratings," Macmillan Encyclopedia of Physics (Macmillan, New York, 1996).

J.L. Shinpaugh, F.W. Meyer, and S. Datz, "A New Technique for the Study of Charge Transfer in Multiply Charged Ion-Ion Collisions," Nuclear Instruments and Methods in Physics Research B99, 198 (1995).

C.C. Havener, M.E. Bannister, L. Folkerts, J.W. Hale, M. Pieksma, J.L. Shinpaugh, and F.W. Meyer, "Collisions of Highly Charged Ions with Electrons, Atoms, and Surfaces," Nuclear Instruments and Methods in Physics Research B99, 213 (1995).

O. Heber, G. Sampoll, B.B. Bandong, R.J. Maurer, R.L. Watson, I. Ben-Itzhak, J.M. Sanders, J.L. Shinpaugh, and P. Richard, "Multiple-electron Ionization, Capture, and Loss by 19-MeV Fq+ (q = 2 - 9) in Collisions with Ne and Ar," Physical Review A, 52, 4578 (1995).

J.L. Shinpaugh, H.E. Wolf, W. Wolff, R.E. Olson, J. Wang, U. Ramm, O. Jagutzki, and H. Schmidt-Böcking, "Transition from Quantum to Quasi-Classical Behavior of the Binary Encounter Peak in Collisions of 0.6 to 3.6 MeV/amu I23+ and Xe21+ with He and Ar Targets," Journal of Physics B: Atomic, Molecular, and Optical Physics 26, 2869 (1993).

J.L. Shinpaugh, H.E. Wolf, W. Wolff, H. Schmidt-Böcking, J. Wang, and R.E. Olson, "Diffraction Effects in the Production of Binary Encounter Electrons Emitted in Collisions of Heavy Ions with He and H2 Targets," proceedings of the VIth International Conference on the Physics of Highly Charged Ions, eds. P. Richard, M. Stöckli, C.L. Cocke, and C.D. Lin, CP274, p. 374 (AIP Press, New York, 1993).

J.L. Shinpaugh, J.M. Sanders, J.M. Hall, D.H. Lee, H. Schmidt-Böcking, T.N. Tipping, T.J.M. Zouros, and P. Richard, "Electron Capture and Target Ionization in Collisions of Bare Projectile Ions incident on Helium," Physical Review A 45, 2, pp. 635~640, May 1998