Thomson scattering cross section
GPTKB entity
Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physical phenomenon
scattering cross section |
| gptkbp:appliesTo |
radiation therapy
photon energy much less than electron rest mass energy free electron |
| gptkbp:dependsOn |
electron mass
elementary charge vacuum permittivity speed of light |
| gptkbp:form |
σ_T = (8π/3) (e²/4πε₀mc²)²
|
| gptkbp:hasUnit |
square meter
|
| https://www.w3.org/2000/01/rdf-schema#label |
Thomson scattering cross section
|
| gptkbp:limitation |
Compton scattering cross section (low energy limit)
|
| gptkbp:namedAfter |
gptkb:J._J._Thomson
|
| gptkbp:relatedTo |
classical electrodynamics
|
| gptkbp:symbol |
σ_T
|
| gptkbp:usedIn |
astrophysics
plasma physics radiation transport |
| gptkbp:valuation |
6.6524587321 × 10⁻²⁹ m²
|
| gptkbp:bfsParent |
gptkb:Thomson_cross_section
|
| gptkbp:bfsLayer |
7
|