Wang, Kwanghsi and Stephens, J. A. and McKoy, V. (1991) Effects of Cooper minima in resonance enhanced multiphoton ionization-photoelectron spectroscopy of NO via the D ^2Σ^+ and C ^2Π Rydberg states. Journal of Chemical Physics, 95 (9). pp. 6456-6462. ISSN 0021-9606. doi:10.1063/1.461542. https://resolver.caltech.edu/CaltechAUTHORS:20151028-114734517
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Abstract
Cooper minima are predicted to occur in the 3pσ→kσ(l=2) and 3pσ→kπ(l=2) channels in the resonance enhanced multiphoton ionization of NO via the D ^2Σ^+(3pσ) Rydberg state. The low energy kσ(l=2) Cooper minimum leads to the observed ΔN = N^+ − N’=0 photoelectron peak, in addition to the ΔN = ±1, ±3 peaks seen in the rotational spectra. The Cooper minima are accompanied by significant l mixing in the continuum due to the nonspherical molecular potential and result in a strong dependence of rotational branching ratios and angular distributions on photoelectron kinetic energy. A Cooper minimum is also predicted in the 3pπ→kδ(l=2) channel for photoionization of the C ^2Π(3pπ) Rydberg state. The effect of this Cooper minimum on photoelectron spectra and photoelectron angular distributions is also investigated.
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| Additional Information: | © 1991 American Institute of Physics. (Received 20 June 1991; accepted 15 July 1991) This work was supported by grants from the National Science Foundation (CHE-8521391), Air Force Office of Scientific Research (Contract No. 87-0039), and the Office of Health and Environmental Research of the U.S. Department of Energy (DE-FG03-87ER60513). We also acknowledge use of resources of the JPL/Caltech CRA Y X-MP/18 Supercomputer. | |||||||||
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| Issue or Number: | 9 | |||||||||
| DOI: | 10.1063/1.461542 | |||||||||
| Record Number: | CaltechAUTHORS:20151028-114734517 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20151028-114734517 | |||||||||
| Official Citation: | Effects of Cooper minima in resonance enhanced multiphoton ionization‐photoelectron spectroscopy of NO via the D 2Σ+ and C 2Π Rydberg states Wang, Kwanghsi and Stephens, J. A. and McKoy, V., The Journal of Chemical Physics, 95, 6456-6462 (1991), DOI:http://dx.doi.org/10.1063/1.461542 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 61656 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 09 Nov 2015 22:43 | |||||||||
| Last Modified: | 10 Nov 2021 22:52 |
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