Low-energy x-ray dosimetry studies (7 to 17.5 keV) with synchroton radiation

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Unique properties of synchrotron radiation (SR), such as its high intensity, brightness, polarization, and broad spectral distribution (extending from x-ray to infra-red wavelengths) make it an attractive light source for numerous experiments. As SR facilities are rapidly being built all over the world, they introduce the need for low-energy x-ray dosemeters because of the potential radiation exposure to experimenters. However, they also provide a unique opportunity for low-energy x-ray dosimetry studies because of the availability of monochromatic x-ray beams. Results of such studies performed at the Stanford Synchrotron Radiation Laboratory are described. Lithium fluoride TLDs (TLD-100) of varying thicknesses (0.015 ... continued below

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10 p.

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Ipe, N.E.; Bellamy, H. & Flood, J.R. June 1, 1995.

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  • Stanford University
    Publisher Info: Stanford Univ., CA (United States)
    Place of Publication: California

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Description

Unique properties of synchrotron radiation (SR), such as its high intensity, brightness, polarization, and broad spectral distribution (extending from x-ray to infra-red wavelengths) make it an attractive light source for numerous experiments. As SR facilities are rapidly being built all over the world, they introduce the need for low-energy x-ray dosemeters because of the potential radiation exposure to experimenters. However, they also provide a unique opportunity for low-energy x-ray dosimetry studies because of the availability of monochromatic x-ray beams. Results of such studies performed at the Stanford Synchrotron Radiation Laboratory are described. Lithium fluoride TLDs (TLD-100) of varying thicknesses (0.015 to 0.08 cm) were exposed free in air to monochromatic x-rays (7 to 17.5 keV). These exposures were monitored with ionization chambers. The response (nC/Gy) was found to increase with increasing TLD thickness and with increasing beam energy. A steeper increase in response with increasing energy was observed with the thicker TLDs. The responses at 7 and 17.5 keV were within a factor of 2.3 and 5.2 for the 0.015 and 0.08 cm-thick TLDs, respectively. The effects of narrow (beam size smaller than the dosemeter) and broad (beam size larger than the dosemeter) beams on the response of the TLDs are also reported.

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10 p.

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INIS; OSTI as DE95017728

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  • 11. international conference on solid state dosimetry, Budapest (Hungary), 10-14 Jul 1995

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  • Other: DE95017728
  • Report No.: SLAC-PUB--95-6939
  • Report No.: CONF-950708--1
  • Grant Number: AC03-76SF00515
  • Office of Scientific & Technical Information Report Number: 104981
  • Archival Resource Key: ark:/67531/metadc623139

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 1995

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 17, 2017, 6:04 p.m.

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Ipe, N.E.; Bellamy, H. & Flood, J.R. Low-energy x-ray dosimetry studies (7 to 17.5 keV) with synchroton radiation, article, June 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc623139/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.