Useful Links

Research Interest:

Theoretical Atomic and Molecular Physics: Interaction cross sections of (heavy) charged particles with atoms and molecules, especially biologically relevant materials like liquid water and DNA.

Monte Carlo Simulations: Track structure Monte Carlo simulations of radiant transport (energy deposition) in biologically relevant matter.

Dr. Michael Dingfelder

Dr-Dingfelder

Publications:

Friedland, W., Dingfelder, M., Kundrat, P., & Jacob, P. (2011).  Track structures, DNA targets and radiation effects in the biophysical Monte Carlo simulation code PARTRAC.  Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis, 711, 28-40.  

Toburen, L. H., McLawhorn, S. L., McLawhorn, R. A. , Carnes, C. D. , Dingfelder, M., and J.L. Shinpaugh, (2010).  Electron emission from amorphous solid water induced by passage of energetic protons and fluorine ions.  Radiation Research, 174, 107-118.  

Toburen, L. H., McLawhorn, R. A., McLawhorn, S. L. , Carnes, K. D. , Dingfelder, M., Anderson Travia, and Jefferson L. Shinpaugh, (2011).  Electron transport in condensed phase material.  Radiation Protection Dosimetry, 143, 135.  

Fernandez-Varea, J., Segui, S., & Dingfelder, M. (2011).  L\alpha, L\beta, and L\gamma x-ray production cross sections of Hf, Ta, W, Re, Os, Au, Pb, and Bi by electron impact. Comparison of distorted-wave calculations with experiment.  Physical review A, 83, 022702.  

Travia, A. & Dingfelder, M. (2011).  Simulation of secondary electron yields from thin metal foils after fast proton impact.  Radiation Protection Dosimetry, 143, 139.  

Luu, Q. T., DuChateau, P., & Dingfelder, M. (2010).  Fourier analysis of energy transfer data obtained by simulating a 14 MeV alpha-particle in water.  Nuclear Instruments and Methods in Physics Research B, 268, 219-222.  

S.L. McLawhorn, R.A. 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. Application of Accelerators in Research and Industry: Proceedings of the Twentieth International Conference, eds. F.D. McDaniel and B.L. Doyle, American Institute of Physics Conference Proceedings 1099, AIP Press, New York 2009, p. 176

M. Dingfelder, S. Segui, and J.M. Fernández-Varea, Distorted-wave ionization and x-ray production cross sections of the K shell of Cu and the L shells of Ag, In, and Sn by positron impact. Phys. Rev. A. 77 (2008) 062710.http://link.aps.org/abstract/PRA/v77/e062710DOI: 10.1103/PhysRevA.77.062710

M. Dingfelder, A. Travia, R.A. McLawhorn, J.L. Shinpaugh, and L.H. Toburen, Electron emission from foils and biological materials after proton impact. Radiat. Phys. Chem. 77 (2008) 1213-1217. doi: 10.1016/j.radphyschem.2008.05.046

M. Dingfelder, R.H. Ritchie, J.E. Turner, W. Friedland, H.G. Paretzke, and R.N. Hamm, Comparisons of calculations with PARTRAC and NOREC: Transport of electrons in Liquid water. Radiat. Res. 169 (2008) 584-594.

D. Tsao, P. Kalogerinis, I. Tabrizi, M. Dingfelder, R.D. Stewart, A.G. Georgakilas, Induction and processsing of oxidative clustered DNA lesions in 56-Fe-ion-irradiated human monosytes. Radiat. Res. 168 (2007) 87-97.

J.A Gersh, M. Dingfelder, and L.H. Toburen, Modeling energy deposition in trabecular spongiosa using the Monte Carlo code PENELOPE.Health Physics 93 (2007) 47-59; (doi:10.1097/ 01.HP.0000259480.40206.63)

M.Dingfelder, Track structure: time evolution from physics to chemistry.Radiat. Prot. Dosim.122 (2006) 16-21; (doi:10.1093/rpd/ncl494).

M. Dingfelder, I.G. Jorjishvili, J.A. Gersh, and L.H. Toburen, Heavy ion track structure simulations in liquid water at relativistic energies.Radiat. Prot. Dosim. 122 (2006) 26-27; (doi:10.1093/rpd/ncl415).

J.A. Gersh, M. Dingfelder, and L.H. Toburen, Monte Carlo modelling of energy deposition in trabecular bone.Radiat. Prot. Dosim. 122 (2006) 549-550; (doi:10.1093/rpd/ncl401)

M. Dingfelder, L.H. Toburen, and H.G. Paretzke, An effective charge scaling model for ionization of partially dressed helium ions with liquid water, Proceedings of the Monte Carlo 2005 Topical Meeting, Chattanooga, TN, April 17-21, 2005, American Nuclear Society, La Grange Park, IL, CD-ROM (ANS Order No. 700321), p1-12.

J.M. Fernández-Varea, F. Salvat, M. Dingfelder, and D. Liljequist, A relativistic optical-data model for inelastic scattering of electrons and positrons in condensed matter, Nucl. Instr. Meth. B 229 (2005) 187-218

W. Friedland, M. Dingfelder, P. Jacob, and H.G. Paretzke, Calculated DNA double-strand break and fragmentation yields after irradiation with He ions, Radiat. Phys. Chem. 72 (2005) 279-286.

S. Segui, M. Dingfelder, and F. Salvat, Distorted-wave calculation of cross sections for inner shell ionization by electron and positron impact, Phys. Rev. A 67 (2003) 062710