Emission from several electronically excited states of NS is observed when the energetic molecule S4N4 is photolyzed with radiation from an excimer laser. Photolysis at 248 nm generates fluorescence from the B2 Pi sub 1/2,3/2, H2 Pi sub 1/2, G2 Sigma(-), and I2 Sigma (+) states of NS. NS(B2 Pi sub 1/2,3/2) and NS(C2 Sigma(+) fluorescence is observed when the photolysis wavelength is changed to 222 nm. The NS(H) and ...
Much recent work has been done on the chemiluminescent reactions of atomic species (R) with azide radicals. These reactions typically produce excited-state nitrides or nitrenes which subsequently emit in the UV and visible regions. The high product specificity and large quantum yields observed in many of these reactions has been attributed to electron spin and/or orbital angular momentum constraints. Spin constraints have been found to be important in reactions of ...
The Cartesian magnetically insulated transmission line (MITL) theory is extended to cylindrical coordinates. A set of equations that describe arbitrary electron flows in cylindrical coordinates is presented. These equations are used to derive a general theory for laminar magnetically insulated electron flows. The laminar theory allows one to specify the potentials, fields, and densities across a coaxial line undergoing explosive electron emission at the cathode. The theory is different from ...
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