Triple coalescence singularity in a dynamical atomic process
E. G. Drukarev+*, A. I. Mikhailov+*, I. A. Mikhailov+∇, W. Scheid*
+Petersburg Nuclear Physics Institute, 188300 Gatchina, St. Petersburg, Russia
*Justus-Liebig-Universität Giessen, 35392 Giessen, Germany
∇University of Central Florida, 32816 Orlando, Florida, USA
PACS: 31.25.Eb, 32.80.-t
Abstract
We show that the high energy limit for amplitude of the double
electron capture to the bound state of the Coulomb field of a
nucleus with emission of a single photon is determined by behavior
of the wave function in the vicinity of the singular triple
coalescence point.