Electron impact study for CH2F2 over a wide energy range (0.1-5000 eV).

Area of Science:

• Atomic and Molecular Physics
• Chemical Physics
• Quantum Mechanics

Background:

• Difluoromethane (CH2F2) is an important hydrofluorocarbon gas with applications in various industries.
• Understanding electron interactions with CH2F2 is crucial for predicting its behavior in different environments and applications.
• Previous studies may have limited the energy range or scope of electron interaction investigations with CH2F2.

Purpose of the Study:

• To conduct a comprehensive study of electron interactions with difluoromethane (CH2F2) over a wide energy range (0.1-5000 eV).
• To quantify various elastic and inelastic molecular processes through differential and total cross sections.
• To provide essential data for theoretical and applied research involving CH2F2.

Main Methods:

• Utilized ab initio R-matrix formalism for low-energy electron interactions.
• Employed the Spherical Complex Optical Potential approach for intermediate- to high-energy regimes.
• Calculated ionization cross sections using complex scattering potential-ionization contribution and Binary-Encounter-Bethe methods.

Main Results:

• Reported comprehensive cross-section data for elastic and inelastic electron scattering processes with CH2F2.
• Quantified differential and total cross sections across the entire energy range studied.
• Provided validated ionization cross-section values.

Conclusions:

• The study provides a complete dataset of electron interaction cross sections for difluoromethane over an unprecedentedly wide energy range.
• The findings are vital for atmospheric modeling, plasma physics, and radiation chemistry involving CH2F2.
• This work establishes a benchmark for future theoretical and experimental investigations of electron-CH2F2 collisions.