Electron-scattering cross sections for collisions with tetrahydrofuran from 50 to 5000 eV

被引：75

作者：

Fuss, M. ^{[1
]}

Munoz, A. ^{[2
]}

Oller, J. C. ^{[2
]}

Blanco, F. ^{[3
]}

Almeida, D. ^{[4
]}

Limao-Vieira, P. ^{[4
]}

Do, T. P. D. ^{[5
]}

Brunger, M. J. ^{[5
]}

Garcia, G. ^{[1
,6
]}

机构：

[1] CSIC, Inst Matemat & Fis Fundamental, Madrid 28006, Spain

[2] CIEMAT, E-28040 Madrid, Spain

[3] Univ Complutense Madrid, Dept Fis Atom Mol & Nucl, E-28040 Madrid, Spain

[4] Univ Nova Lisboa, CEFITEC, Dept Fis, P-2829516 Caparica, Portugal

[5] Flinders Univ S Australia, Sch Chem Phys & Earth Sci, ARC Ctr Antimatter Matter Studies, Adelaide, SA 5001, Australia

[6] Univ Nacl Educ Distancia, Dept Fis Mat, Madrid 28040, Spain

来源：

PHYSICAL REVIEW A | 2009年 / 80卷 / 05期

关键词：

electron impact ionisation; molecule-electron collisions; organic compounds; VIBRATIONAL-EXCITATION; SCREENING CORRECTIONS; INELASTIC-SCATTERING; ELASTIC-SCATTERING; IMPACT IONIZATION; HIGH-ENERGIES; INTERMEDIATE; MOLECULES; O-2; N-2;

D O I：

10.1103/PhysRevA.80.052709

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we report on total electron tetrahydrofuran (C4H8O) scattering cross-section measurements for energies in the range from 50 to 5000 eV with experimental errors of about 5%. In addition, integral elastic and inelastic cross sections have been calculated over a broad energy range (1-10 000 eV), with an optical potential method assuming a screening-corrected independent atom representation. Partial and total ionization cross sections have been also obtained by combining simultaneous electron and ion measurements with a time-of-flight analysis of the ionic induced fragmentation. Finally, an average energy distribution of secondary electrons has been derived from these measurements in order to provide data for modeling electron-induced damage in biomolecular systems.

引用

页数：6

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