Coupledchannel integralequation approach to antiproton–hydrogen collisions
Abstract
A fully quantal integralequation approach to ion–atom collisions is developed along the lines of the convergent closecoupling approach to electron–atom scattering. The approach starts from the exact threebody Schrödinger equation for the scattering wavefunction and leads to coupledchannel Lippmann–Schwinger equations for the transition amplitudes in the impactparameter representation, with the relative motion of the heavy particles treated quantum mechanically. The method is applied to calculate antiproton collisions with atomic hydrogen. Integrated total, excitation and ionization cross sections are calculated in the energy range from 1 keV to 1 MeV.
Citation
Abdurakhmanov, I. B. and Kadyrov, A. S. and Bray, I. B. and Stelbovics, A. T. 2011. Coupledchannel integralequation approach to antiproton–hydrogen collisions. Journal of Physics B: Atomic, Molecular and Optical Physics. 44 (7): pp. 111.
Source Title
Journal of Physics B
ISSN
School
Department of Imaging and Applied Physics
Collection
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