Resonance enhanced multiphoton ionization spectrum of IBr

R. J. Donovan, R. V. Flood, K. P. Lawley, R. Maier, C. R. Redpath, T. Ridley, A. J. Yencha

Research output: Contribution to journalArticlepeer-review


The resonance enhanced multiphoton ionization (REMPI) spectrum of IBr has been recorded in the region 55 500-62 500 cm-1. In contrast to the homonuclear halogens, where Rydberg transitions dominate the REMPI spectrum, transitions to ion-pair states dominate the spectrum of the interhalogen IBr. Pronounced resonance structure caused by coupling between the b'6 Rydberg state and the ion-pair states was observed. A vibrationally resolved spectrum of the E(0+) ion-pair state was obtained with the aid of jet-cooling. The b6 <-- X Rydberg system was also observed.
Original languageEnglish
Pages (from-to)253-259
Number of pages7
JournalArabian Journal for Science and Engineering
Issue number2B
Publication statusPublished - Apr 1992


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