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Absolute angle-differential cross sections for electron-impact excitation of neon atoms from threshold to 19.5 eV

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M Allan1, K Franz1,2, H Hotop2, O Zatsarinny3 and K Bartschat3

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LETTER TO THE EDITOR

Absolute angle-differential cross sections for electron-impact excitation of neon atoms to the four levels with the (2p53s) configuration have been determined both experimentally and theoretically for incident energies from threshold up to 19.5 eV at scattering angles of 135° and 180°. Excellent agreement between the experimental data and theoretical predictions, obtained by a Breit–Pauli B-spline R-matrix method with non-orthogonal orbitals, has been found in terms of both absolute values and the energies and widths of the numerous resonant features.


PACS

34.80.Dp Atomic excitation and ionization

34.10.+x General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.)

Subjects

Atomic and molecular physics

Dates

Issue 6 (28 March 2006)

Received 6 January 2006, in final form 8 January 2006

Published 1 March 2006



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