The ionization of Mg by electron impact at 1000 eV studied by (e, 2e) experiments

doi:10.1088/0953-4075/41/1/015201

The ionization of Mg by electron impact at 1000 eV studied by (e, 2e) experiments

P Bolognesi et al 2008 J. Phys. B: At. Mol. Opt. Phys. 41 015201 (7pp) doi: 10.1088/0953-4075/41/1/015201

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P Bolognesi¹, H Bohachov², V Borovik², S Veronesi^1,5, R Flammini¹, E Fainelli¹, A Borovik², J Martinez³, Colm T Whelan³, H R J Walters⁴, A Kheifets⁶ and L Avaldi¹
¹ CNR-IMIP, Area della Ricerca di Roma 1, Monterotondo Scalo, Italy
² Institute of Electron Physics, National Academy of Sciences, Uzhgorod, Ukraine
³ Department of Physics, Old Dominion University, College of Sciences, Norfolk, USA
⁴ Department of Applied Mathematics and Theoretical Physics, The Queen's University of Belfast, Belfast, UK
⁵ Dipartimento di Chimica,Università degli Studi di Roma 'La Sapienza', Roma, Italy
⁶ The Australian National University, Canberra ACT 0200, Australia

Abstract. The ionization of Mg 3s and 2p and He 1s has been studied in (e, 2e) experiments at about 1000 eV incident energy and 20 eV ejected electron energy for a momentum transfer between 0.5 and 2.1 au. The comparison with the predictions of the distorted wave Born approximation model shows a generally good agreement between experiment and theory. The differences observed between the He and Mg angular distributions can be explained as an initial state effect and are attributed to the differences between the He 1s and Mg 3s wavefunctions in the momentum space.

Print publication: Issue 1 (14 January 2008)
Received 18 July 2007, in final form 10 October 2007
Published 19 December 2007

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The ionization of Mg by electron impact at 1000 eV studied by (e, 2e) experiments

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