hvl | R Documentation |
Derive hvl and tvl from radiation values through a material thickness.
hvl(x, y)
x |
material thickness |
y |
radiation measure through the material |
a data frame with the inputs, followed by the computed values for attenuation coefficient (listed as "mu"), half-value layer (hvl), tenth-value layer (tvl), and the homogeneity coefficient (hc) which is the ratio of a half-value layer to the following half-value layer.
H50_ex <- data.frame("mm_Al" = 0:5, "mR_h" = c(7.428, 6.272, 5.325,4.535, 3.878, 3.317))
hvl(x = H50_ex$mm_Al, y = H50_ex$mR_h)
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