Now showing items 1-10 of 1396
Absolute differential and integral cross sections for charge transfer of state-selected keV oxygen ion with oxygen(2)
Absolute differential and integral charge transfer cross sections have been measured for 0.5, 0.85, 1.5, 2.8, and 5.0 keV O$\sp+$ with O$\sb2$ at scattering angles between 0.01$\sp\circ$ and 3.50$\sp\circ$ in the laboratory ...
Analysis of the application of collision cross sections and ion neutral reaction rates in the upper atmosphere modeling
Review and analysis of atomic collision data (such as collision cross sections and ion-neutral reaction rates) used in the upper atmospheric modeling for Earth and other planets are presented. This work gives the first ...
Electrical and Optical Characterization of Molecular Nanojunctions
Electrical conduction at the single molecule scale has been studied extensively with molecular nanojunctions. Measurements have revealed a wealth of interesting physics. I3owever; our understanding is hindered by a lack ...
Electrodynamics of the low-latitude ionosphere
We have undertaken a study of the low and mid latitude ionospheric electric field pattern, during both magnetospherically quiet and active periods. Our analysis can be conveniently split into two parts. i.In an effort to ...
Microwave and optical sensor fusion for the shape extraction of three-dimensional space objects
Two sensors that have been proposed for use on a space robot are cameras and radar. Considered individually, neither of these sensors provides enough information for a computer to derive a good surface description of a ...
Simulation of radiation belt electron diffusion
This thesis presents theoretical and numerical studies of the radial diffusion of relativistic radiation belt electrons. The research has been focused particularly on the radiation belt phase space density profile, and ...
A search for low mass companions and a new determination of effective temperatures for T-Tauri stars
I present an analysis of over 300 spectra of the photospheres of young stars in order to address three outstanding questions of current interest: (1) whether or not the youngest stars are accompanied by massive substellar ...
Observational analysis of the compositional variation in solar filaments
Solar filaments have long been associated with coronal mass ejections and Space Weather phenomena. Filaments are dynamcal, and changes in their overall mass or its distribution could trigger an eruption. However, a ...
The scattering of protons by calcium-40
Abstract Not Available.
Adjoint analysis for receptivity prediction
Physical knowledge of the laminar-turbulent transition process, prediction of the transition location, as well as the ability to control transition are essential in many engineering applications. However, control of the ...