Calculation of Water Equivalent Thicknesses of Materials of Arbitrary Densities, Elemental Compositions and Thicknesses in Proton Radiotherapy
Byline
R Zhang1,2 *, P Taddei2 , M Fitzek3 , W Newhauser2 , (1) The Univ. of Texas, Graduate School of Biomedical Sciences at Houston, Houston, TX, (2) University of Texas, MD anderson Cancer Center, Houston, TX, (3) Midwest Proton Radiotherapy Institute , Bloomington, IN