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Boltzmann Transport Model Assumptions

The Boltzmann Transport Equation (BTE) is the governing

equation which describes the macroscopic behavior of radiation

particles (neutrons, photons, electrons, etc.) as they travel

through and interact with matter

A particle (photon, …) is a point particle moving in straight lines between

collisions.

Particles (photons, …) interact with matter through binary collisions and

the nuclei are distributed randomly: collision probability per unit distance is

constant

The Linear Boltzmann Transport Equation describes the mean behavior of

radiation

Linearity:

No particle-particle interactions

isotopic makeup of material constant

Courtesy by Danny Lathouwers