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2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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A wave of new U.S.-U.K. deals ahead of Trump’s state visit
President Trump will arrive in the United Kingdom this week for a state visit that promises to include the usual pomp and ceremony alongside the signing of a landmark new agreement on U.S.-U.K. nuclear collaboration.
Ming-Chen Hsiao, Shiang-Huei Jiang
Nuclear Technology | Volume 168 | Number 1 | October 2009 | Pages 191-195
Dosimetry | Special Issue on the 11th International Conference on Radiation Shielding and the 15th Topical Meeting of the Radiation Protection and Shielding Division (Part 1) / Radiation Protection | doi.org/10.13182/NT09-A9124
Articles are hosted by Taylor and Francis Online.
This work aims to investigate major operation parameters including scan uniformity, film orientation, scan resolution, image region of interest, energy dependence, postirradiation coloration, and ambient temperature in order to establish an appropriate protocol for calibration and dose measurement using a GafChromic film dosimetry system. A two-dimensional dosimetry system comprising GafChromic films and an Epson Expression 1680 flatbed document scanner was employed. EBT films in a 30- × 30- × 25-cm3 solid water phantom were exposed in a photon field delivered by a Varian 21EX electron linear accelerator with a 10- × 10-cm2 field size. The operation parameters of the GafChromic film dosimetry system were investigated in detail. The dose profile measurement was compared with calculation delivered by the Varian Eclipse treatment planning system. Some deviations in the penumbra regions were found.
