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Publikace ÚTF

Electron scattering in HCl: An improved nonlocal resonance model

Fedor, J.; Winstead, C.; McKoy, V.; Čížek, M.; Houfek, K.; Kolorenč, P.; Horáček, J.

We present an improved nonlocal resonance model for electron-HCl collisions. The short-range part of the
model is fitted to ab initio electron-scattering eigenphase sums calculated using the Schwinger multichannel
method, while the long-range part is based on the ab initio potential-energy curve of the bound anion HCl−. This
model significantly improves the agreement of nonlocal resonance calculations with recent absolute experimental
data on dissociative electron attachment cross sections for HCl and DCl. It also partly resolves an inconsistency
in the temperature effect in dissociative electron attachment to HCl present in the literature. Finally, the present
model reproduces all qualitative structures observed previously in elastic scattering and vibrational-excitation
cross sections.
journal:Physical Review A
pacs:34.80.Ht, 34.80.Gs
odkaz: http://pra.aps.org/abstract/PRA/v81/i4/e042702
grant:Vývoj metod pro nelokální rezonanční dynamiku víceatomových molekul, GAČR 202/07/0833, 2007-2009; Fyzikální studium objektů a procesů ve sluneční soustavě a v astro-fyzikálních systémech, výzkumný záměr MSM0021620860, 2007-2013
physreva 81 (2010) 042702 (fedor,winstead,mckoy,cizek,houfek,kolorenc,horacek).pdf (617.47 kB)
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