Double and Single Ionization of Helium by 58-keV X Rays | Zendy

L. Spielberger | Zendy; O. Jagutzki | Zendy; B. Krässig | Zendy; U. Meyer | Zendy; Kh. Khayyat | Zendy; V. Mergel | Zendy; T. Tschentscher | Zendy; T. Buslaps | Zendy; H. Bräuning | Zendy; R. Dörner | Zendy; T. Vogt | Zendy; M. Achler | Zendy; J. Ullrich | Zendy; D. S. Gemmell | Zendy; H. SchmidtBöcking | Zendy

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Double and Single Ionization of Helium by 58-keV X Rays

Author(s) -

L. Spielberger,

O. Jagutzki,

B. Krässig,

U. Meyer,

Kh. Khayyat,

V. Mergel,

T. Tschentscher,

T. Buslaps,

H. Bräuning,

R. Dörner,

T. Vogt,

M. Achler,

J. Ullrich,

D. S. Gemmell,

H. SchmidtBöcking

Publication year - 1996

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.76.4685

Subject(s) - physics , atomic physics , helium , ionization , recoil , compton scattering , photon energy , ion , photon , scattering , energy (signal processing) , nuclear physics , electron , quantum mechanics

We have measured the ratio of cross sections for double to single ionization of helium by Compton scattering, {ital R}{sub {ital C}}={sigma}{sub {ital C}}{sup ++}/{sigma}{sup +}{sub {ital C}}, at a photon energy of 58 keV using cold target recoil ion momentum spectroscopy. We find a value {ital R}{sub {ital C}}=(0.84{sub {minus}0.11}{sup +0.08}){percent} that is in agreement with the asymptotic limits predicted by Andersson and Burgd{umlt o}rfer [Phys. Rev. A {bold 50}, R2810 (1994)] and Suri{acute c} {ital et} {ital al}.[Phys. Rev. Lett. {bold 73}, 790 (1994)]. {copyright} {ital 1996 The American Physical Society.}

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