G Vall-llosera et al 2005 J. Phys. B: At. Mol. Opt. Phys. 38 659 doi:10.1088/0953-4075/38/6/004
The npσ,π to EF emission systems in D2 studied by selective excitation
G Vall-llosera1, J Álvarez Ruiz1, P Erman1, E Melero García1, E Rachlew1, S Menmuir1 and M Stankiewicz2
Show affiliationsThe npσ 1Σ+u and npπ 1Πu states in D2 have been selectively excited using monoenergetic synchrotron light in the range of 13.97–15.84 eV and the subsequent dispersed emission to the EF 1Σ+g state was observed using a grating spectrometer. In total, 18 emission bands from the levels n = 3–6 were studied and rotationally analysed. The intensities of the P and R branches relative to the Q branch were found to vary strongly in the npπ 1Π+u–EF1Σ+g bands indicating the existence of predissociations of npπ 1Π+u levels above the dissociation limit D(1s) + D(2
).
- PACS
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33.80.Gj Diffuse spectra; predissociation, photodissociation
33.50.Dq Fluorescence and phosphorescence spectra
33.70.Fd Absolute and relative line and band intensities
33.70.Ca Oscillator and band strengths, lifetimes, transition moments, and Franck-Condon factors
- Subjects
- Dates
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Issue 6 (28 March 2005)
Received 3 December 2004, in final form 12 January 2005
Published 7 March 2005
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The npσ,π to EF emission systems in D2 studied by selective excitation
G Vall-llosera et al 2005 J. Phys. B: At. Mol. Opt. Phys. 38 659
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