Photoelectron spectroscopy of lithium dimer anion

H. W. Sarkas; S. T. Arnold; Jackie Hendricks; V. L. Slager; Kit Bowen

doi:10.1117/12.143090

22 April 1993 Photoelectron spectroscopy of lithium dimer anion

H. W. Sarkas, S. T. Arnold, Jackie Hendricks, V. L. Slager, Kit Bowen

Proceedings Volume 1858, Laser Techniques for State-Selected and State-to-State Chemistry; (1993) https://doi.org/10.1117/12.143090
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

We have recorded the photoelectron spectrum of ⁷Li₂ at 488 nm and 457.9 nm. Photodetachment transitions are observed between the X²(Sigma) _u⁺ state of ⁷Li₂ and the X¹(Sigma) _g⁺, a³(Sigma) _u⁺, and A¹(Sigma) _u⁺ states of ⁷Li₂. The electron affinity of ⁷Li₂ was determined to be 0.437 +/- 0.009 eV. Additional spectroscopic parameters for the X²(Sigma) _u⁺ of ⁷Li₂ determined in this work are: B_e equals 0.502 +/- 0.005 cm^-1 which leads to r_e equals 3.094 +/- 0.015 Angstrom, (omega) _e equals 232 +/- 35 cm^-1, and D₀ equals 0.865 +/- 0.022 eV.

Citation Download Citation

H. W. Sarkas, S. T. Arnold, Jackie Hendricks, V. L. Slager, and Kit Bowen "Photoelectron spectroscopy of lithium dimer anion", Proc. SPIE 1858, Laser Techniques for State-Selected and State-to-State Chemistry, (22 April 1993); https://doi.org/10.1117/12.143090

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