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第44号 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/11178/4752

Title: X線照射による斑晶石英の熱蛍光グロー曲線(都市基盤デザイン工学科)
Other Titles: Themoluminescence Glow-curves of Quartz Phenocrysts Irradiated with X-rays(DEPARTMENT OF CIVIL AND URBAN DESIGN ENGINEERING)
Authors: 林, 正雄
許, 建明
HAYASHI, Masao
XU, Jianming
ハヤシ, マサオ
九州産業大学都市基盤デザイン工学科 / 中国・湖南農業大学
Keywords: thermoluminescence
glow-curve
quartz phenocryst
Issue Date: Dec-2007
Publisher: 九州産業大学工学部
Abstract: TL glow-curves of quartz phenocrysts irradiated with X-rays at 30, 40 and 50kV have been observed using a highly-sensitive TL measurement system. Glow-curves of the natural samples have a strong peak at 280℃ and an intermediate one at 340℃. The irradiated samples were heated at 130℃ for 12hrs for "thermal washing" The results show that the intensity ratios of the 280℃ to the 340℃ for natural specimens reverse after the X-ray irradiation within the experimental conditions, increasing with proportionally to the accelerating voltage of a tungsten X-ray tube. This indicates that exact evaluation of the equivalent dose for TL dating is difficult using X-ray irradiation.
URI: http://hdl.handle.net/11178/4752
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