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Elastic electron scattering by laser-excited138Ba( ... 6s6p1P1) atoms

S Trajmar, I Kanik, M A Khakoo, L R LeClair, I Bray, D Fursa, G Csanak
1999 Journal of Physics B: Atomic, Molecular and Optical Physics  

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The results of a combined experimental and theoretical study of elastic electron scattering by laser-excited 138 Ba . . . 6s6p 1 P 1 atoms are presented. From these studies, we extracted differential scattering cross sections and parameters for elastic scattering both by coherently prepared 1 P 1 Ba atoms and by Ba atoms in an isotropic, incoherent state of the 1 P 1 level. This is the first time that results of this type have been reported for elastic scattering by excited atoms. Good
more » ... was found between the limited experimental results and those obtained from our convergent close-coupling (CCC) theoretical calculations. It was demonstrated that elastic scattering can create alignment with significant probability.
doi:10.1088/0953-4075/32/12/302 fatcat:vjjkenamhzfj5lqaliufh5sp2q
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S Trajmar, I Kanik, M A Khakoo, L R LeClair, I Bray, D Fursa, G Csanak. "Elastic electron scattering by laser-excited138Ba( ... 6s6p1P1) atoms." Journal of Physics B: Atomic, Molecular and Optical Physics 32.12 (1999) 2801-2829