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"Importance of non-first-order effects in the (e, 3e) double ionization of helium"

dc.contributor.authorLahmam-Bennani, A.
dc.contributor.authorDuguet, A.
dc.contributor.authorDal Cappello, C.
dc.contributor.authorNebdi, H.
dc.contributor.authorPiraux, B.
dc.coverage.temporal21st century
dc.date2003
dc.date.accessioned2016-03-07T16:16:40Z
dc.date.accessioned2021-12-09T09:55:20Z
dc.date.available2016-03-07T16:16:40Z
dc.date.available2021-12-09T09:55:20Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/9096
dc.descriptionAngular distributions of the two ejected electrons resulting from the double ionization of helium by electron impact have been measured by means of a multicoincidence multiangle (e,3e) spectrometer at an incident energy of about 0.6 keV and equal outgoing energies Eb=Ec=11 eV. We identify various regimes of kinematical parameters where substantial differences are found with respect to the first-Born convergent close-coupling calculations: an angular shift of the position of the main lobe and the presence of additional lobes. These differences are attributed to high-order contributions in the projectile-target interaction. This conclusion is supported by recent (e,3e) calculations performed within the second-Born approximation.
dc.languageeng
dc.publisherIRM
dc.publisherKMI
dc.publisherRMI
dc.relation.ispartofseriesPhys. Rev. A 67(1), 0701
dc.title"Importance of non-first-order effects in the (e, 3e) double ionization of helium"
dc.typeArticle
dc.subject.frascatiEarth and related Environmental sciences
dc.audienceGeneral Public
dc.audienceScientific
dc.subject.freeionization
dc.subject.freenitrogen
dc.subject.freehelium
dc.source.issuePhys. Rev. A 67(1), 0701
Orfeo.peerreviewedNot pertinent


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