Spectroscopy of Rb₂ dimers in solid ⁴He
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Moroshkin, Peter
Department of Physics, University of Fribourg, Switzerland
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Hofer, Adrian
Department of Physics, University of Fribourg, Switzerland
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Ulzega, Simone
Department of Physics, University of Fribourg, Switzerland
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Weis, Antoine
Department of Physics, University of Fribourg, Switzerland
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Published in:
- Physical Review A. - 2006, vol. 74, p. 032504
English
We present experimental and theoretical studies of the absorption, emission, and photodissociation spectra of Rb₂ molecules in solid helium. We have identified 11 absorption bands of Rb₂. All laser-excited molecular states are quenched by the interaction with the He matrix. The quenching results in efficient population of a metastable (1) ³πu state, which emits fluorescence at 1042 nm. In order to explain the fluorescence at the forbidden transition and its time dependence we propose a new molecular exciplex Rb₂(³πu)He₂. We have also found evidence for the formation of diatomic bubble states following photodissociation of Rb₂.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Physique
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Language
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Classification
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Physics
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/300129
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