Vol. 1, No 2, 1995 pp. 109 - 113
UDC
539.186.183
MANY-ELECTRON CORRELATION IN NEGATIVE-ION PHOTODETACHMENT
A.R. Tančić1, M.R. Nikolić2, V.K. Ivanov3
1Institute for Nuclear Sciences Vinča, Laboratory for Theoretical Physics, PO Box 522, 11001 Belgrade, Yugoslavia
2The Faculty of Philosophy, Department of Physics, University of Niš, PO Box 92, 18000 Niš, Yugoslavia
3M. I. Kalinin Polyechnical Institute, 195251 St.Petersburg, Russia
Abstract. Photodetachment cross sections for Ba- negative ions, calculated using the random phase approximation with exchange, are presented. The photodetachment cross sections are also calculated for the outer electron of this ion. When the polarization interaction is taken into account the minimum of the cross section is drastically moved towards to low energies. The results of r and forms in this case are closer (in the limits of the used approximation).
MNOGOELEKTRONSKE KORELACIJE U FOTOOTKIDANJU ELEKTRONA OD NEGATIVNOG JONA
U radu je računat efikasni presek fotootkidanja elektrona sa negativnog jona Ba- primenom aproksimacije slučajnih faza sa izmenom. Pokazano je da se uzimanjem u obzir polarizacije minimum efikasnog preseka pomera ka nižim energijama, a rezultati korišćenja r i forme bliži su jedni drugima.
