No abstract

Alguard, M. J.; Gay, Timothy J. ; Hughes, V. W.; Wainwright, P.F.; Lubell, M. S.; and Raith, W. , "Experimental study of spin-exchange effects in elastic and ionizing collisions of polarized electrons with polarized hydrogen atoms" (1985). Using crossed beams of polarized electrons and polarized hydrogen atoms we have investigated the effect of spin exchange on 90° elastic scattering from 4.4 to 30.3 eV and impact ionization from 14.1 to 197.0 eV. Our results suggest that the range of validity of various theoretical approximation methods is more restricted than had been assumed previously. Using crossed beams of polarized electrons and polarized hydrogen atoms we have investigated the effect of spin exchange on 90" elastic scattering from 4.4 to 30.3 eV and impact ionization from 14.1 to 197.0 eV. Our results suggest that the range of validity of various theoretical approximation methods is more restricted than had been assumed previously. ©1985 The American Physical

No abstract

A shift in a continuum threshold due to the presence of a strong laser field has been directly observed. An increase in the photodetachment threshold of CI ~ was observed in the presence of 1064-nmwavelength radiation.

No abstract