Electron Correlation Effects in Photoemission from the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mrow><mml:msub><mml:mrow><mml:mi>π</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">u</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>Level in Acetylene
The photoemission cross section for the $1{\ensuremath{\pi}}_{\mathrm{u}}$ level in acetylene is calculated including electronic correlations using a time-dependent local-densit...