3. DESCRIPTION OF PROGRAM OR FUNCTION
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
FORMAT: special format
NUMBER OF GROUPS: Photon interaction and absorption coefficients covering the energy range 1 KeV to 100 MeV.
NUCLIDES: MATERIALS: A150TE PLAST (H, C, N, O, F, Ca); Ac; Air (N, O, Ar); Sb; Ar; As; At; BAKELITE (C, H, O); Ba; BARSO4; Be; Bk; Bi; BONE (H, C, N, O, Mg, P, S, Ca); B; Br; C552SHONKA P (H, C, O, F, Si); Cd; Ca; Cf; CAPINTEC (H, C, O, F, Si); C; Ce; Cs; Cl; Cr; Co; CONCRETE (H, O, Na, Mg, Al, Si, S, K, Ca, Fe); Cu; Cm; DELRIN (C, H, O); Dy; Er; Eu; FAT (H, C, N, O, S); F; Fr; FRICK8 (H, O, Na, S, Cl, Fe); Gd; Ga; Ge; Au; Hf; He; Ho; H; ICRP CORTICAL BONE (H, C, N, O, Mg, P, S, Ca, Zn); ICRP TISSUE (H, C, N, O, S, Mg, P, S, Cl, K, Ca, Fe, Zn); ICRU TISSUE (H, C, N, O); In; I; Ir; Fe; Kr; Pb; LIFTLD (Li, F); Li; LUCITE (C, H, O); Lu; Mg; Mn; Hg; Mo; MUSCLE (H, C, N, O, S, Mg, P, S, K, Ca); Nd; Ne; Np; Ni; Nb; N; NYLON (H, C, N, O); O; Pd; P; Pt; Pu; Po; POLYETHYLENE (C, H); POLYSTYRENE (C, H); K; Pr; Pm; Pa; Ra; Re; Rh; Rb; Ru; Sm; Sc; Se; Si; Ag; SODIODIDE; Na; SOLWA1; SOLWA2; Sr; S; Ta; Te; Tb; Tl; Th; Tm; Sn; Ti; W; U; V; WATER (H, O); Xe; Yb; Y; Zn; Zr.
ORIGIN: HOWERTON, JRC
WEIGHTING SPECTRUM: --
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
An extensive library of photon interaction coefficients has been developed by the Ontario Cancer Institute, Toronto, Ontario, Canada, based on the compilation of Plechaty, Cullen, and Howerton. In addition to partial cross section data, the following are given: mass attenuation coefficients, mass energy transfer coefficients, mass energy absorption coefficients, average energy transferred to electrons, average energy absorbed per interaction, and average stopping power of electrons. Partial interaction coefficients and absorption coefficients are useful in any radiation transport or other radiation analysis application.
The data from the Ontario Cancer Institute are given for 94 elements and 25 composite materials covering the energy range 1 KeV to 100 MeV. The reactions considered are coherent and incoherent scattering, photoelectric absorption, and pair production.