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Angular distribution of Bremsstrahlung photons and of positrons for calculations of terrestrial gamma-ray flashes and positron beams
Bremsstrahlung pair production analytical integration of Bethe-Heitler equation distribution of scattering angles
2012/2/28
Within thunderstorms electrons can gain energies of up to hundred(s) of MeV. These electrons can create X-rays and gamma-rays as Bremsstrahlung when they collide with air molecules. Here we calculate ...
Properties of the average distribution of equatorial Kelvin waves investigated with the GROGRAT ray tracer
average distribution equatorial Kelvin waves GROGRAT ray tracer
2009/11/9
Kelvin waves excited by tropospheric convection are considered to be one of the main drivers of the stratospheric quasi-biennial oscillation (QBO). In this paper we combine several measured data sets ...
Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness
snow X-ray tomography surface smoothness
2008/10/31
Chemical and physical processes, such as heterogeneous chemical reactions, light scattering, and metamorphism occur in the natural snowpack. To model these processes in the snowpack, the specific sur...