Acta Phys. -Chim. Sin. ›› 1999, Vol. 15 ›› Issue (11): 976-979.doi: 10.3866/PKU.WHXB19991104

• Communication • Previous Articles     Next Articles

Multiphoton lonization Spectrum of the 3d Rydberg States of 2-butanone

Guo Wen-Yue, Fang Li, Zhang Bing, Zhang Shu-Dong, Cai Ji-Ye   

  1. Anhui Institute of Optics and Mechanics,Academia Sinica,Hefei 230031|Departmeng of Applied Physics,University of Petrolum,Dongying 257062
  • Received:1999-06-29 Revised:1999-08-20 Published:1999-11-15
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Abstract:

The resonance-enhanced multiphoton ionization (REMPI) spectrum of 2 butanone in 467～488nm was obtained using multiphoton ionization—time-of-flight mass spectrometric technique and dye laser. By analyzing the spectrum, we have ascertained that the strongest peak in the REMPI spectrum,62305cm-1,could be attributed to one component of the 3d Rydberg transition, the peaks in 63291～63898cm-1 are mixed Rydberg valence vibronic transitions, and 63291cm-1 is the 0-0 transition of the state.

Key words: 2-butanone;Rydberg state, Mixed Rydberg-valence state, Multiphoton ionization spectrum