| ATOMIC AND MOLECULAR PHYSICS |
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Photodissociation Efficiency Spectroscopy Study of the Rydberg Excited Ion-Pair States of Carbon Dioxide |
FENG Qiang1, XU Yun-Feng1, SUN Jin-Da2, TIAN Shan-Xi1, SHAN Xiao-Bin2, LIU Fu-Yi2, SHENG Liu-Si2 |
| 1Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemical Physics, University of Science and Technology of China, Hefei 2300262National Synchrotron Radiation Laboratory and School of Nuclear Science and Technology, University of Science and Technology of China, Hefei 230029 |
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| Cite this article: |
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FENG Qiang, XU Yun-Feng, SUN Jin-Da et al 2009 Chin. Phys. Lett. 26 103401 |
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Abstract Photodissociation efficiency spectrum of anionic oxygen atom produced via ion-pair dissociations of carbon dioxide is recorded by means of the synchrotron radiation excitation (XUV photon energy 17.40-20.00eV). The present spectrum is assigned as the Rydberg-like excited ion-pair states, i.e., Tanaka-Ogawa and Henning series, ~C2∑g+ (CO2+) vibrational ground-state and excitation series. Three Rydberg series, npσu, npπu, and nfu, converging to ~C2∑g+ (0,0,0), show the higher cross sections.
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| Keywords:
34.50.Gb
33.80.Rv
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Received: 08 July 2009
Published: 27 September 2009
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| PACS: |
34.50.Gb
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(Electronic excitation and ionization of molecules)
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33.80.Rv
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(Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))
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