IEVref: | 881-04-32 | ID: | |

Language: | en | Status: Standard | |

Term: | mass energy transfer coefficient (of a material for indirectly ionizing particles) | ||

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Symbol: | $\frac{{\mu}_{\text{tr}}}{\rho}$ | ||

Definition: | the quotient of dE_{tr}/E_{N} by ρ dl, where E_{N} is the energy of each particle (excluding rest energy), N is the number of particles, and dE_{tr}/E_{N} is the fraction of incident particle energy that is transferred to kinetic energy of charged particles by interactions in traversing a distance dl in the material of density ρ$\frac{{\mu}_{\text{tr}}}{\rho}=\frac{1}{{E}_{N}\rho}\cdot \frac{\text{d}{E}_{\text{tr}}}{\text{d}l}$
NOTE – For a given monoenergetic radiation, the relationship between kerma (
$K=\Psi \frac{{\mu}_{\mathrm{tr}}}{\rho}$ | ||

Publication date: | 1983-01 | ||

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$\frac{{\mu}_{\text{tr}}}{\rho}=\frac{1}{{E}_{N}\rho}\cdot \frac{\text{d}{E}_{\text{tr}}}{\text{d}l}$

*Ψ*) may be written

$K=\Psi \frac{{\mu}_{\mathrm{tr}}}{\rho}$