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.
typ:article
journal:Physical Review A
volume:81
nr:4
pages:042702
year:2010
pacs:34.80.Ht, 34.80.Gs
odkaz: http://pra.aps.org/abstract/PRA/v81/i4/e042702
files:
physreva 81 (2010) 042702 (fedor,winstead,mckoy,cizek,houfek,kolorenc,horacek).pdf (617.47 kB)

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