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Elastic differential cross sections in He+-He collisions (680 eV – 3100 eV)

✍ Scribed by J. Baudon; M. Abignoli; M. Barat; A. Pernot


Book ID
103764233
Publisher
Elsevier Science
Year
1967
Tongue
English
Weight
133 KB
Volume
25
Category
Article
ISSN
0375-9601

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Integral and differential cross-sections for elastic collisions of He + ions in the ground state ( 2 S) with neutral He atoms are calculated, for centre-of-mass energies between 0.001 and 10 eV, using the partial waves method. The scattering phase shifts are calculated using the JWKB semi-classical

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In addition to the well-known thermal minimum, a hyperthermal minimum around 0.8 eV haa been found in the singlet chemiionization cross section. The hyperthermal triplet ionization curve shows the well-known behavior in the form of a saturation and a subsequent decline. The experimental data are com