Giant resonances in cold electron scattering by CS2

N.C. Jones, D. Field, J.P. Ziesel, Thomas Field

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26 Citations (Scopus)

Abstract

Experimental data are presented for the scattering of cold electrons by CS2, for both integral and backward scattering, between a few meV and a few hundred meV impact energy. Giant resonances with cross sections in excess of 50 Angstrom(2) are observed below 100 meV, associated with the transient formation of CS2- at 15 meV and with the bend and symmetric stretch of CS2 at thresholds of 49 and 82 meV, respectively. The resonance at 49 meV is 2 orders of magnitude greater in cross section than a dipole impulsive model predicts. These structures are superimposed on a sharp rise in the scattering cross section at low energy, which may be attributed to virtual state scattering.
Original languageEnglish
Article number093201
Pages (from-to)093201
Number of pages1
JournalPhysical Review Letters
Volume89
Issue number9
Publication statusPublished - 26 Aug 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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