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Interferences in electron emission spectra from 1, 3 and 5 MeV H+ + N2collisions

J L Baran1, S Das1, F Járai-Szabó2, L Nagy2 and J A Tanis1

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Electron interferences associated with coherent two-centre emission in 1-5 MeV H+ + N2 collisions are investigated. Spectra were measured for ejected electrons with energies from 5-410 eV and observation angles in the range 30° to 150°. Experimental molecular N2cross sections were normalized to theoretical atomic N cross sections, revealing oscillatory structures that do not change significantly with observation angle or collision velocity. It is suggested that the oscillations are due to previously observed secondary interferences arising from intramolecular scattering following ejection of a K-shell electron.


PACS

34.35.+a Interactions of atoms and molecules with surfaces

Subjects

Atomic and molecular physics

Dates

Issue 1 (2007)



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