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Comparison of experiment and theory for superelastic electron collision studies from laser aligned magnesium
Pursehouse, James Bostock, Chris Nixon, Kate Harvey, Matthew Fursa, Dmitry V Bray, Igor Murray, Andrew James
Pursehouse, James
Bostock, Chris
Nixon, Kate
Harvey, Matthew
Fursa, Dmitry V
Bray, Igor
Murray, Andrew James
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2018-08-09
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Abstract
A combined experimental and theoretical study of superelastic electron collisions from laser-aligned magnesium atoms for a range of collision energies from 35eV to 55eV is presented. 24Mg atoms were excited from the 31S0 ground state to the 31P1 excited state using continuous-wave linearly-polarized laser radiation at ~285 nm. Electrons of well-defined energy Einc then de-excited the targets, and the superelastically scattered electrons emerging from the collision were detected as a function of scattering angle and laser polarization. Results for alignment of the target by the electron beam are presented for a range of scattering angles, for outgoing energies from Eout = 35eV to 55eV . The agreement between the measurements and the results of the convergent close-coupling theory are encouraging, but some discrepancies remain.
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Pursehouse, J., Bostock, C., Nixon, K., Harvey, M., Fursa, DV., Bray, I., and Murray, A. (2018) 'Comparison of experiment and theory for superelastic electron collision studies from laser-aligned magnesium.', Physical Review A, 98, 022702. https://doi.org/10.1103/PhysRevA.98.022702
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Journal article
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en
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1050-2947