Statistical approach to calculation of lifetime with respect to annihilation of a positronanion system
Abstract
The lifetimes with respect to annihilation of bound positronanion systems are calculated in the framework of a statistical model of an atom with consideration of anion electrons. To find the positron wave function, a variational procedure with allowance for the explicit form of the potential that acts on the positron in the anion is used. Calculated lifetimes are compared with HartreeFock calculations for some halogen ions. Ways of comparing the results of the theory with experiment are noted.
 Publication:

Soviet Physics Journal
 Pub Date:
 February 1991
 DOI:
 10.1007/BF00940950
 Bibcode:
 1991SvPhJ..34..126M