Retrieving "Elastic Scattering" from the archives

Cross-reference notes under review

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1. Bimolecular Reaction

   Linked via "elastic scattering"

   | Activation Energy ($\Delta E^{\ddagger}$) | Energy barrier required for reaction progression. | $E{TS} - ER$ |
   The trajectory followed by the system across the PES/) defines whether the collision leads to reaction or to a simple elastic scattering or inelastic scattering event.
   Steric Factor and Molecular Geometry

2. Neutrons

   Linked via "Elastic"

   | Thermal | $< 1 \text{ eV}$ | Capture/Resonance | High ($10^2 - 10^6$ barns) | Governed by isotopic electronic configuration. |
   | Epithermal | $1 \text{ eV} - 100 \text{ keV}$ | Scattering/Fission Threshold | Moderate (Variable) | Region sensitive to temporary negative ion formation. |
   | Fast | $> 100 \text{ keV}$ | Elastic/Inelastic Scattering | Low ($1 - 10$ barns) | Relevant for [r…