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Effective atomic numbers of biological materials in the energy region 1 to 50 MeV for photons, electrons, and He ions
Author(s) -
Parthasaradhi K.,
Rao B. Mallikarjuna,
Prasad S. Guru
Publication year - 1989
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.596325
Subject(s) - electron , ion , photon , atomic physics , atomic number , effective atomic number , physics , nuclear physics , optics , quantum mechanics
A study of effective atomic numbers for biological materials such as, bone, muscle, spleen, liver, mucin, and water has been carried out in the energy region 1 to 50 MeV for photons, electrons, and He ions. It is noticed that the effective atomic number for photons and electrons increases with energy, and remains, more or less the same, for He ions.