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Photoionization cross sections of rovibrational levels of the B^1Σ^+_u state of H_2

Rudolph, H. and Lynch, D. L. and Dixit, S. N. and McKoy, V. (1986) Photoionization cross sections of rovibrational levels of the B^1Σ^+_u state of H_2. Journal of Chemical Physics, 84 (12). pp. 6657-6661. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:20120627-110901394

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Abstract

We report theoretical cross sections for direct photoionization of specific rovibrational levels of the B ^1Σ^+_u electronic state of H_2. The calculated cross sections differ considerably from values recently determined by resonant enhanced multiphoton ionization (REMPI) studies. In an attempt to understand the disagreement, we analyze in detail the REMPI dynamics and find that the multiphoton ionization probability is extremely sensitive to the spatial and temporal profiles of the laser pulses. Accurate characterization of laser profiles and their jitter is therefore necessary for a comparison between theory and experiment.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1063/1.450718DOIUNSPECIFIED
http://jcp.aip.org/resource/1/jcpsa6/v84/i12/p6657_s1PublisherUNSPECIFIED
Additional Information:© 1986 American Institute of Physics. Received 21 February 1986; accepted 7 March 1986. This research was supported by the National Science Foundation under Grant No. CHE8218166. One of us (H.R.) gratefully acknowledges support from the Danish Natural Science Research Council and the Carlsberg Foundation.
Funders:
Funding AgencyGrant Number
NSFCHE8218166
Danish Natural Science Research CouncilUNSPECIFIED
Carlsberg FoundationUNSPECIFIED
Subject Keywords:PHOTOIONIZATION, CROSS SECTIONS, HYDROGEN, ROTATIONAL STATES, VIBRATIONAL STATES, MULTI−PHOTON PROCESSES
Classification Code:PACS: 33.80.Rv, 33.20.Vq
Record Number:CaltechAUTHORS:20120627-110901394
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120627-110901394
Official Citation:Photoionization cross sections of rovibrational levels of the B 1Σ+u state of H2 H. Rudolph, D. L. Lynch, S. N. Dixit, and V. McKoy J. Chem. Phys. 84, 6657 (1986); http://dx.doi.org/10.1063/1.450718
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:32140
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:27 Jun 2012 18:39
Last Modified:26 Dec 2012 15:25

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