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

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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 … continued below

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Shalom, S.V.; Chumak, V.V.; Haskell, E.H.; Hayes, R.B. & Kenner, G.H. January 1, 1996.

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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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OSTI as DE97051511

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  • Other Information: PBD: 1 Jan 1996

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  • January 1, 1996

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Shalom, S.V.; Chumak, V.V.; Haskell, E.H.; Hayes, R.B. & Kenner, G.H. Properties of light induced EPR signals in enamel and their possible interference with gamma-induced signals, report, January 1, 1996; California. (https://digital.library.unt.edu/ark:/67531/metadc679826/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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