Carl Winstead

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The authors report results from computational studies of the interaction of low-energy electrons with the purine bases of DNA, adenine and guanine, as well as with the associated nucleosides, deoxyadenosine and deoxyguanosine, and the nucleotide deoxyadenosine monophosphate. Their calculations focus on the characterization of the pi* shape resonances(More)
M. A. Khakoo, H. Silva, J. Muse, M. C. A. Lopes, C. Winstead, and V. McKoy Department of Physics, California State University, Fullerton, California 92831, USA Departamento de Física, ICE, Universidade Federal de Juiz de Fora, Juiz de Fora-MG, CEP 36036-330, Brazil A. A. Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena,(More)
M. A. Khakoo, J. Blumer, K. Keane, C. Campbell, H. Silva, M. C. A. Lopes, C. Winstead, V. McKoy, R. F. da Costa, L. G. Ferreira, M. A. P. Lima, and M. H. F. Bettega Department of Physics, California State University, Fullerton, California 92831, USA Department of Mechanical Engineering, Brigham Young University, Provo, Utah 84602, USA Departamento de(More)
Simulation of the flow of integral viscoelastic fluids on a distributed memory parallel computer Half‐collision description of final state distributions of the photodissociation of polyatomic molecules Elastic electron scattering cross sections from 5-30 eV are reported for the molecules C H C 2 H 6 , C 3 Hs, Si 2 H 6 , and GeH 4 , obtained using an(More)
structure lends itself natura tecture. The high-performance and cost-effective computing offered by these machines are enhancour ability to study cross sections for collisions lectrons with industrially important gases, e.g., CnFe, &He, and CFJH. Such cross sections play an important role in modelling low-temperature plasmas used in plasmsGassisted etching(More)
Total, elastic, and inelastic cross sections for positron and electron collisions with tetrahydrofuran We describe the development of a consistent set of low-energy electron collision cross sections for trifluoromethane, CHF 3. First-principles calculations are used to obtain key elastic and inelastic cross sections. These are combined with literature(More)
Experimental and calculated differential cross sections for elastic scattering of electrons by C60 molecules at collision energies of 100 to 500 eV are reported. The elastic differential cross sections were measured in a standard crossed-beam apparatus, while the calculations were performed employing the Schwinger multichannel technique at the(More)