English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT

Released

Journal Article

Helium double photoionisation and Compton scattering: A showcase for electron correlation

MPS-Authors
/persons/resource/persons21342

Becker,  Uwe
Fritz Haber Institute, Max Planck Society;

/persons/resource/persons21975

Prümper,  Georg
Fritz Haber Institute, Max Planck Society;

/persons/resource/persons243483

Langer,  Burkhard
Fritz Haber Institute, Max Planck Society;

/persons/resource/persons22198

Viefhaus,  Jens
Fritz Haber Institute, Max Planck Society;

/persons/resource/persons251491

Wiedenhöft,  M.
Fritz Haber Institute, Max Planck Society;

External Resource
No external resources are shared
Fulltext (public)
There are no public fulltexts stored in PuRe
Supplementary Material (public)
There is no public supplementary material available
Citation

Becker, U., Prümper, G., Langer, B., Viefhaus, J., Wiedenhöft, M., Levin, J. C., et al. (1999). Helium double photoionisation and Compton scattering: A showcase for electron correlation. Australian Journal of Physics, 52(3), 351-361. doi:10.1071/PH98116.


Cite as: http://hdl.handle.net/21.11116/0000-0008-BC15-D
Abstract
The present status of double photoionisation studies is comprehensively reviewed. Recent findings are described which shed some light on the transition from the correlated motion of the two electrons near threshold to the shakeoff-like behaviour at higher photon energies. For extremely high photon energies, where Compton scattering becomes the dominant process, new results for the He2+/He+ ratio between 6 and 120 keV are presented. The results conirm the prediction of Bergstrom et al. that the ratio reaches an intermediate maximum between 12 and 15 keV, before declining towards the asymptotic limit. Furthermore, this asymptotic limit seems not to be reached even at energies as high as 120 keV.