A crossed-beam time-of-flight study of metastable helium in collisions with helium, neon and argon
K B Fiering, S. R. Ryan, William H. Wing
Absolute velocity-resolved total integral cross sections have been measured for collisions of helium singlet (2 1 S 0 ) and triplet (2 3 S 1 2) metastable (He*) atoms with ground-state helium, neon, and argon atoms in the thermal velocity range of 1.0-3.5*10 5 cm s -1 . Additional measurements on the He*-Ne system with a large input aperture at the detector to suppress the sensitivity of the apparatus to elastic scattering failed to show the previously predicted (Arathoon) sharply rising velocity structure in the inelastic excitation transfer cross sections.
Journal of Physics B Atomic and Molecular Physics•Nov 14, 1982•3 citations