IEVref: | 881-04-33 | ID: | |

Language: | en | Status: Standard | |

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

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

Definition: | the product of the mass energy transfer coefficient $\left(\frac{{\mu}_{\text{tr}}}{\rho}\right)$ for that energy and (1– g) where g is the fraction of the energy of secondary charged particles that is lost to bremsstrahlung in the material
NOTE – When the material is air, $\frac{{\mu}_{\text{en}}}{\rho}$ is proportional to the quotient of exposure by energy fluence in the usual case of constant W. | ||

Publication date: | 1983-01 | ||

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