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Laser assisted electron impact excitation of helium in the threshold region

Journal of Physics: Conference Series (2014) 488(SECTION 11)
DOI: 10.1088/1742-6596/488/11/112002
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Abstract

We study the threshold excitation of metastable He*(1s2s 1,3S) states by combined electron impact and intense laser radiation (λ 532 nm/1064 nm, I 1010-1012W/cm2). A new experimental setup is used combining a ns-pulsed electron beam extracted from a photo-cathode, a single frequency Nd:YAG laser beam and a reaction microscope. Fully differential scattering cross sections are obtained by measuring the recoil momentum of the metastables. © Published under licence by IOP Publishing Ltd.

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Weyland, M., Ren, X. G., Pflüger, T., Baek, W. Y., Rabus, H., Ullrich, J., … Dorn, A. (2014). Laser assisted electron impact excitation of helium in the threshold region. In Journal of Physics: Conference Series (Vol. 488). Institute of Physics Publishing. https://doi.org/10.1088/1742-6596/488/11/112002

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