Angle-energy distributions of Penning ions in crossed molecular beams. IV. He*(21 S,2 3S)+H2-->He+H2+ +e- |
| |
Authors: | Gulati Keerti Longley Elizabeth J Dorko Michael J Bittinger Kyle L Siska P E |
| |
Institution: | Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA. |
| |
Abstract: | Relative doubly differential cross sections for the Penning ionization of H(2) by spin-state-selected metastable He (1s2s) are reported at center-of-mass collision energies E of 3.1 and 4.2 kcal/mol in a crossed supersonic beam experiment employing a rotatable mass spectrometer detector. The measurements are sufficiently dense in velocity space as to avoid having to functionalize the differential cross sections in order to transform the intensities into the c.m. The H(2) (+) product is scattered sharply forward, c.m. Deltatheta<10 degrees half-width at half-maximum, with respect to the incident direction of H(2) at both energies for both spin states. On the average the products have lost energy upon recoil, mean recoil energy E(')
|
| |
Keywords: | |
本文献已被 PubMed 等数据库收录! |
|