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On the non-BoltzmannA-X emission in Na2 following laser excitation of theB state

  • Molecular Physics
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Abstract

A 1Σ + u -X 1Σ + g emission in Na2 is observed following excitation ofB 1π u by various lines of an argon ion laser. The excitation energy ofB 1π u is collisionally transferred to the (2)1Σ + g which then radiatively populates theA 1Σ + u state. The Na vapour is contained in a stainless steel crossed heat pipe with Ar buffer gas and temperature around 600°C. For all laser lines except 4579 Å, the coarse features ofA-X emission are independent of the laser wavelength. However, at high resolution the finer differences between different laser line excitation are explained. Variousv′-v″ transitions in this emission are identified. Computer simulation is presented to help explain some features of this emission.

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Authors and Affiliations

  1. Spectroscopy Division, Bhabha Atomic Research Centre, 400 085, Trombay, Bombay, India

    A Sharma, G L Bhale, M A N Razvi & M N Dixit

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  1. A Sharma
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  2. G L Bhale
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  3. M A N Razvi
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  4. M N Dixit
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Sharma, A., Bhale, G.L., Razvi, M.A.N. et al. On the non-BoltzmannA-X emission in Na2 following laser excitation of theB state. Pramana - J Phys 30, 309–317 (1988). https://doi.org/10.1007/BF02846741

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  • DOI: https://doi.org/10.1007/BF02846741

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