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Absolute cross sections for electron scattering from furan.

J B Maljković1, F Blanco, R Čurík

  • 1Laboratory for Atomic Collision Processes, Institute of Physics, University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia.

The Journal of Chemical Physics
|August 18, 2012
PubMed
Summary
This summary is machine-generated.

This study presents experimental and theoretical cross sections for electron scattering from furan molecules. Results show excellent agreement between the screening corrected additivity rule (SCAR) calculations and experimental data.

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Area of Science:

  • Atomic and Molecular Physics
  • Quantum Chemistry
  • Electron Scattering

Background:

  • Electron scattering studies are crucial for understanding molecular interactions.
  • Furan (C(4)H(4)O) is a heterocyclic organic compound with relevance in various chemical processes.
  • Accurate cross section data is essential for theoretical modeling and applications.

Purpose of the Study:

  • To experimentally measure and theoretically calculate absolute cross sections for electron scattering from furan.
  • To validate theoretical models by comparing them with experimental results.
  • To investigate elastic and vibrationally inelastic scattering processes.

Main Methods:

  • Experimental measurements of absolute differential cross sections (DCSs) using a crossed electron-target beam setup.
  • Calibration using the relative flow technique for absolute scale determination.
  • Theoretical calculations employing the screening corrected additivity rule (SCAR) and an improved quasifree absorption model.
  • First Born approximation calculations for elastic and vibrationally inelastic DCSs.

Main Results:

  • Experimental DCSs for elastic electron scattering were obtained from 50 eV to 300 eV.
  • SCAR calculations showed excellent agreement with both present and previous experimental data.
  • Total and integral elastic cross sections were tabulated for energies from 10 to 10,000 eV.
  • Ratios of vibrational to elastic DCSs were calculated and discussed.

Conclusions:

  • The SCAR procedure provides a reliable method for calculating electron scattering cross sections for furan.
  • The study provides comprehensive data for electron-furan interactions, valuable for theoretical and experimental research.
  • Comparison with tetrahydrofuran suggests differences in scattering behavior due to molecular structure.