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Titolo:
DIRECT OBSERVATION OF IVR UNDER WHITE-LIGHT EXCITATION - FLUORESCENCE-SPECTRA OF P-DIFLUOROBENZENE BY CONTROLLED ELECTRON-IMPACT
Autore:
FURUYA K; KOTO E; OGAWA T;
Indirizzi:
KYUSHU UNIV,DEPT MOLEC SCI & TECHNOL KASUGA FUKUOKA 816 JAPAN
Titolo Testata:
Chemical physics letters
fascicolo: 1-2, volume: 253, anno: 1996,
pagine: 87 - 91
SICI:
0009-2614(1996)253:1-2<87:DOOIUW>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTRAMOLECULAR VIBRATIONAL REDISTRIBUTION; STATE; IONIZATION; TRANSITIONS; DYNAMICS; N-2;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
K. Furuya et al., "DIRECT OBSERVATION OF IVR UNDER WHITE-LIGHT EXCITATION - FLUORESCENCE-SPECTRA OF P-DIFLUOROBENZENE BY CONTROLLED ELECTRON-IMPACT", Chemical physics letters, 253(1-2), 1996, pp. 87-91

Abstract

Fluorescence spectra of p-difluorobenzene cooled in supersonic expansions have been measured following electron impact. The spectra consistof structured emission from optically active (from the S-0 zero pointlevel) states and unstructured emission from optically inactive states (bath modes) populated by IVR, similarly to those in earlier laser experiments. The fraction of the unstructured emission to the total emission has been determined for three optically active states. The results demonstrate that above 1600 cm(-1) of excess energy from the S-1 origin, the IVR rate is at least one order of magnitude faster than thatfrom the ns laser experiments.

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Documento generato il 11/08/20 alle ore 14:50:40