Properties of light induced EPR signals in enamel and their possible interference with gamma-induced signals | Zendy

S. Shalom | Zendy; V. Chumak | Zendy; E. Haskell | Zendy; Richard B. Hayes | Zendy; G. H. Kenner | Zendy

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Properties of light induced EPR signals in enamel and their possible interference with gamma-induced signals

Author(s) -

S. Shalom,

V. Chumak,

E. Haskell,

Richard B. Hayes,

G. H. Kenner

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/321858

Subject(s) - electron paramagnetic resonance , sunlight , signal (programming language) , radiation , enamel paint , interference (communication) , sensitivity (control systems) , tooth enamel , materials science , nuclear magnetic resonance , chemistry , optics , optoelectronics , physics , composite material , computer science , telecommunications , engineering , channel (broadcasting) , electronic engineering , programming language

Exposure of enamel to UV light (sunlight and artificial) results in EPR signals with g-factors of 2.0018 (perpendicular),1.9975 (parallel), 2.0045, 20052, and 2.0083. The first two signals correspond to the components of the radiation induced signal and the third signal corresponds to the native signal reported in dosimetry and dating studies. The remaining signals were found to be stable and sensitive to both gamma and sunlight exposure. Their sensitivity response to light and radiation was considerably different which gives rise to the possibility that the g=2.0052 and g=2.0083 signals might be used as indicators of the dose resulting from light exposure

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