2000•Chinese journal of atomic and molecular physicsRequires access

R-matrix calculation for photoionization

Jiang Yu

Abstract

We have employed the R matrix method to calculate differential cross sections for photoionization of helium leaving helium ion in an excited state for incident photon energy between the N=2 and N=3 thresholds (69～73 eV) of He + ion. Differential cross sections for photoionization in the N=2 level at emission angle 0° are provide. Our results are in good agreement with available experimental data and theoretical calculations.

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Available abstract

Key concepts: Photoionization, Helium, Atomic physics, Photoionization mode, Excited state, R-matrix, Physics, Ion