S-W Yu et al 2003 J. Phys. B: At. Mol. Opt. Phys. 36 1255 doi:10.1088/0953-4075/36/6/313
Anionic and cationic photofragmentation of core-excited N2O
S-W Yu1,2, W C Stolte1, G Öhrwall3, R Guillemin1, M N Piancastelli4 and D W Lindle1
Show affiliationsWe have measured all detectable cationic and anionic fragments in single-channel mode from N2O as a function of photon energy in the vicinity of the nitrogen 1s core-level threshold. Due to the high degree of localization of the core electrons, the two excitations Nt1s → 3π* and Nc1s → 3π* show high levels of site-selective behaviour. The observed partial ion yield for the sole anionic fragment, O−, in conjunction with the partial cation yields, confirms our previous demonstration of anion-yield spectroscopy as a unique tool to identify core-level shape resonances.
- PACS
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33.80.Gj Diffuse spectra; predissociation, photodissociation
- Subjects
- Dates
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Issue 6 (28 March 2003)
Received 25 September 2002, in final form 5 December 2002
Published 7 March 2003
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Anionic and cationic photofragmentation of core-excited N2O
S-W Yu et al 2003 J. Phys. B: At. Mol. Opt. Phys. 36 1255
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