The two-color fluorescence dip and MPI spectra of jet-cooled pyrazine obtained after exciting the molecule to the S, (n,x\*) state have been observed. Data on a higher excited n,r\* state, on Rydberg states converging to the first and second ionization potentials, and on ionization from the T, state
Two-color fluorescence dip and ion dip spectra of jet-cooled benzene
โ Scribed by Takeo Kakinuma; Masaaki Fujii; Mitsuo Ito
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 576 KB
- Volume
- 140
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Highly excited states of benzene were observed by two-color fluorescence dip and ion dip spectroscopy applied to the jet-cooled molecule. Three band systems and a broad absorption were found in the energy region from 56000 to 68000 cm-'. The broad absorption was assigned to the iEzs valence state. The band systems with the 0: bands at 60776, 62971 and 67402 cm-' were identified to be the 3d2, 3d, and 4dz Rydberg states, respectively.
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The lwo-color phololomzxlon speclra OfpI-COOkd wans-sldbene have been measured The 101-1 dips appearlog III the region above the ndlabnllc ~omw~~on po~sn~lal uere found to be due IO the shmulawd emlsslon Cram Ihe mlermedmw slate ICI the ground-slate wbrnrlonnl le\els The obsenauon or highly exclwd R
Two-color multiphoton ionization spectra of jet-cooled p-difluorobenzene due to the transitions from S, state to highly excited Rydberg states have been observed. At least six different Rydberg series of s and d characters were found. The results indicate a reduction of molecular symmetry in the Ryd