Table 4 Parameters, abbreviations, units, and expressions used to evaluate the shielding efficiency of all the prepared samples.

From: Sol–gel synthesized calcium borate glass and glass–ceramics: effect of CrCl3 doping on structure, mechanics, and gamma-ray shielding efficiency

Eq. no.

Parameter

Abbreviations

Unit

Equation

14

Linear attenuation coefficient

LAC

cm−1

\(\:\frac{\text{I}}{{\text{I}}_{0}}={\text{e}}^{-{\upmu\:}\text{t}}\)

15

Mass attenuation coefficient

MAC

cm2/g

\(\:{\mu\:}_{m}=\frac{\mu\:}{Density\:of\:the\:glass\:sample\:\left(\rho\:\right)}\)  

16

Mean free path

MFP

cm

\(\:MFP=\frac{1}{\mu\:}\)

17

Half value layer

HVL

cm

\(\:HVL=\frac{\text{ln}\left(2\right)}{\mu\:}\)

18

Tenth value layer

\(\:TVL\)

cm

\(\:TVL=\frac{\text{ln}\left(10\right)}{\mu\:}\)

19

Transition factor

\(\:TF\)

%

\(\:\frac{\text{I}}{{\text{I}}_{0}}=100\text{*}{\text{e}}^{-{\upmu\:}\text{t}}\)