Backscattering and transmission through a high  Z  interface as a measure of electron beam energy | Zendy

Das Indra J. | Zendy; Bushe Harry S. | Zendy

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Backscattering and transmission through a high Z interface as a measure of electron beam energy

Author(s) -

Das Indra J.,

Bushe Harry S.

Publication year - 1994

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 - 10.1118/1.597375

Subject(s) - scattering , electron , cathode ray , beam (structure) , optics , atomic physics , electron scattering , energy (signal processing) , measure (data warehouse) , foil method , transmission (telecommunications) , physics , materials science , nuclear physics , quantum mechanics , database , computer science , composite material , electrical engineering , engineering

The ratio of electron beam transmission (Tr) and backscattering (Bs) is used as a measure of beam energy. With a proper thickness of high Z medium placed at the surface of a low Z homogeneous medium, it is observed that the function log(Tr/Bs) is a linear function of electron energy. This method is applied to electrons produced with scattering foil and pulse‐swept (scanned) beams for the nominal energies ranging from 6 to 20 MeV. This technique provides a unique alternative method which is easy, simple, and accurate within ±3% for estimation of electron beam energy.

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