MANIFESTATION OF THE BETHE RIDGE IN POLARIZATIONAL BREMSSTRAHLUNG

A.V. Korol\dag, A.G.Lyalin\ddag, O.I.Obolensky\S  and  A.V.Solov'yov\S 

\dag Russian Maritime Technical University, St Petersburg, Russia 198262 
\ddag Institute of Physics, St Petersburg State University, Petrodvorez, 
Russia 198904 
\S A.F.Ioffe Physical-Technical Institute, St Petersburg, Russia 194021 

A novel non-trivial velocity dependence of the 
Bremsstrahlung spectrum is discussed. This  
feature has the same origin as the Bethe Ridge in 
differential inelastic electron--atom scattering.