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Abstrakt
We report a theoretical-experimental investigation of electron scattering by dichloromethane (CH2Cl2) in the low- and intermediate energy ranges. Experimental elastic differential cross sections (DCS), in the incident electron energy range of 0.5-800 eV and scattering angle range of 10°–130°, were measured using a crossed beam relative flow technique. Integral and momentum- transfer cross sections were determined from the experimental DCS. Theoretical elastic differential, integral, and momentum-transfer, as well as grand-total, and total absorption cross sections were also calculated for impact energies ranging from 0.5 to 500 eV. A complex optical Hartree–Fock potential represented the electron-target interaction and a single-center expansion method combined with a Padé approximation was used to solve the scattering equations. Three resonances: a 2A1 C–Cl kσ* resonance centered at about 3.5 eV, a 2B2 C-Cl kσ* resonance centered at about 5 eV and a broad 2A1 C-H kσ* resonance at about 10 eV were detected in our calculation. Further calculations of DCS were performed at an intermediate energy range of 50-800 eV, using the independent-atom model in which the atomic complex optical potential and partial-wave method were used to obtain atomic scattering amplitudes. Comparisons of our experimental and theoretical data with very recent experimental and theoretical results are made.
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Autorzy (10)
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B Hlousek
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Merl Martin
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Murtadha Khakoo
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L Machado
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R Lucchese
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V A S da Mata
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I Iga
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M-T Lee
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M Homem
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
nr 52,
wydanie 2,
strony 1 - 12,
ISSN: 0953-4075 - Język:
- angielski
- Rok wydania:
- 2019
- Opis bibliograficzny:
- Hlousek B., Martin M., Zawadzki M., Khakoo M., Machado L., Lucchese R., Da Mata V., Iga I., Lee M., Homem M.: Low to intermediate energy elastic electron scattering from dichloromethane (CH2Cl2)// JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS. -Vol. 52, iss. 2 (2019), s.1-12
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1088/1361-6455/aaf2f4
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 131 razy
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