Photon energy dependence of satelite line intensity in the photoelectron spectrum of acetylene

A. M. Bradshaw, W. Eberhardt, H. J. Levinson, W. Domcke, L. S. Cederbaum

Research output: Contribution to journalArticlepeer-review

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Abstract

The intensity of the satellite at 27.5 eV ionisation energy in the photoelectron spectrum of acetylene has been studied as a function of photon energy using synchrotron radiation. In the accessible range up to h{stroke}ω = 72 eV, the satellite is considerably weaker relative to the 2σg main line than at h{stroke}ω = 151 and 1254 eV. If the satellite is indeed of 2Σg symmetry, as both theory and c-2c experiments show, then the effect can be attributed to interference between 2σg- and 3σg-derived components of the spectral function.

Original languageEnglish
Pages (from-to)36-40
Number of pages5
JournalChemical Physics Letters
Volume70
Issue number1
DOIs
StatePublished - 15 Feb 1980

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