Transferred orbital angular momentum in the low-energy electron impact excitation of the ¹S₀-¹P₁ transition in barium

Authors: Johnson P.V.; Spanu C.; Zetner P.W.

Source: Journal of Physics B: Atomic, Molecular and Optical Physics, Volume 34, Number 22, 2001 , pp. 4311-4321(11)

Publisher: Institute of Physics Publishing

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Abstract:

Superelastic electron scattering involving the collisional de-excitation of laser-excited ¹³⁸Ba(...6s6p ¹P₁) atoms to the (...6s² ¹S₀) ground state has been used to measure electron impact coherence parameters for the related (...6s² ¹S₀) to (...6s6p ¹P₁) inelastic process. Measurements of the orbital angular momentum transfer parameter, L_perp⁺, were made for excitation at impact energies of 7, 8.5, 11 and 16 eV. Experimental data are compared with available theoretical results.

Language: English

Document Type: Miscellaneous

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Transferred orbital angular momentum in the low-energy electron impact excitation of the 1S0-1P1 transition in barium

Transferred orbital angular momentum in the low-energy electron impact excitation of the ¹S₀-¹P₁ transition in barium