Energy dependence of the total ionization cross section of Ar atoms by metastable He atoms

Pradel, Pierre; Laucagne, J.J.

doi:10.1016/0009-2614(82)83458-1

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1983

1986

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Cited by 7 publications

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“…2 figure 3a. These results, taken from our previous letter [14], are normalized to the absolute values of Moseley et ale at 100 eV [9c]. In their discussion the authors concluded that Penning ionization is expected to be the dominant process for slow ion production.…”

Section: )mentioning

confidence: 99%

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Chemi-ionization reactions involving metastable helium atoms at high energy

Pradel

Laucagne

1983

J. Phys. France

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-Total chemi-ionization cross-sections have been measured over the 15 to 1 500 eV energy interval for collisions of He 2 1S and 2 3S metastable atoms with Ne, H2, N2, O2 and CO, using a slow ion measurement technique. With molecular targets these measurements have shown a strong energy dependence for the total ionization cross-section without dissociation. In the case of dissociative ionization an energy threshold appears, dependent on the energy defect of the reaction.

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Section: )mentioning

confidence: 99%

“…We The latter reaction has already been investigated under the same experimental conditions [14]. [19].…”

Section: Introductionmentioning

confidence: 99%