Effective Atomic Numbers of Low-Z Compounds for Photon Interaction

S. Guru Prasad; K. Parthasaradhi; W. D. Bloomer

doi:dx.doi.org/10.13182/NSE97-A24475

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Home / Publications / Journals / Nuclear Science and Engineering / Volume 126 / Number 2

Effective Atomic Numbers of Low-Z Compounds for Photon Interaction

S. Guru Prasad, K. Parthasaradhi, W. D. Bloomer

Nuclear Science and Engineering / Volume 126 / Number 2 / June 1997 / Pages 224-228

Technical Paper / dx.doi.org/10.13182/NSE97-A24475

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Effective atomic numbers are derived for the low-Z compounds polyethylene, polycarbonate, Teflon, Mylar, polystyrene, and polyvinyl chloride for total photon interaction in the 10- to 20000-keV energy region. The number generally decreases and then increases with increasing energy. This variation is based on the effective atomic numbers for photoelectric, incoherent scattering, and pair production partial photon interaction processes.