Now playing · 01 Therapy

Tissue-air ratio TAR

TAR = 0.7800

TAR(d,s)=Dtissue(d,s)Dair\mathrm{TAR}(d,s)=\frac{D_{\mathrm{tissue}}(d,s)}{D_{\mathrm{air}}}

Dose in phantom at depth d divided by dose in air at the same point.

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