Zeeman quantum-beat spectroscopy of NO2: Eigenstate-resolved Landé gF factors near dissociation threshold

作者: Ju Xin , Scott A. Reid

DOI: 10.1063/1.1423328

关键词: QuantumDissociation (chemistry)Beat (acoustics)SpectroscopyAtomic physicsZeeman effectEigenvalues and eigenvectorsQuantum numberChemistry

摘要: The sign and magnitude of Lande gF factors for single NO2 rovibronic (J=3/2) eigenstates in the 15 cm−1 region below dissociation threshold (D0=25 128.57 cm−1) were investigated using Zeeman quantum-beat spectroscopy. derived exhibit pronounced fluctuations about an average much smaller than expected absence perturbations, which destroy goodness N K quantum numbers J=N+S coupling scheme. F=J+I scheme was found to be valid near D0 within uncertainty our measurements, are good agreement with those calculated under assumption complete mixing. Our findings do not provide evidence participation repulsive quartet states threshold.

参考文章(93)
A. Delon, R. Jost, M. Lombardi, NO2 jet cooled visible excitation spectrum: Vibronic chaos induced by the X̃ 2A1–Ã 2B2 interaction Journal of Chemical Physics. ,vol. 95, pp. 5701- 5718 ,(1991) , 10.1063/1.461620
Richard N. Zare, Donald K. Hsu, David L. Monts, Spectral atlas of nitrogen dioxide, 5530 to 6480 Å Academic Press. ,(1978)
Erminia Leonardi, Carlo Petrongolo, Ab initio study of NO2. VI. Vibrational and vibronic coupling in the X̃2A1/Ã2B2 conical intersection up to 16 000 cm−1 Journal of Chemical Physics. ,vol. 106, pp. 10066- 10071 ,(1997) , 10.1063/1.474062
Fabrizio Santoro, Carlo Petrongolo, Nonadiabatic wave packet dynamics of NO2 on the X̃ 2A′/Ã 2A′ conical intersection Journal of Chemical Physics. ,vol. 110, pp. 4419- 4427 ,(1999) , 10.1063/1.478325
Ju Xin, Scott A. Reid, On the hyperfine structure of NO2 levels near dissociation threshold Journal of Chemical Physics. ,vol. 112, pp. 10067- 10069 ,(2000) , 10.1063/1.481647
Hiroyuki Sasada, Laurence S. Rothman, Kiyoji Uehara, High Resolution Spectral Atlas of Nitrogen Dioxide 559-597 nm ,(1985)
A. E. Douglas, K. P. Huber, THE ABSORPTION SPECTRUM OF NO2 IN THE 3 700-4 600 A REGION, Canadian Journal of Physics. ,vol. 43, pp. 74- 81 ,(1965) , 10.1139/P65-006
U. Robra, H. Zacharias, K. H. Welge, Near threshold channel selective photodissociation of NO2 Zeitschrift f�r Physik D Atoms, Molecules and Clusters. ,vol. 16, pp. 175- 188 ,(1990) , 10.1007/BF01437331