Radiation tests of the EMU spacesuit for the International SpaceStation using energetic protons

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Measurements using silicon detectors to characterize theradiation transmitted through the EMU spacesuit and a human phantom havebeen performed using 155 and 250 MeV proton beams at the Loma LindaUniversity Medical Center (LLUMC). The beams simulate radiationencountered in space, where trapped protons having kinetic energies onthe order of 100 MeV are copious. Protons with 100 MeV kinetic energy andabove can penetrate many centimeters of water of other light materials,so that astronauts exposed to such energetic particles will receive dosesto their internal organs. This dose can be enhanced or reduced byshielding - either from the spacesuit or the self-shielding of the body ... continued below

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Zeitlin, C.; Heilbronn, L.; Miller, J. & Shavers, M. June 4, 2001.

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Measurements using silicon detectors to characterize theradiation transmitted through the EMU spacesuit and a human phantom havebeen performed using 155 and 250 MeV proton beams at the Loma LindaUniversity Medical Center (LLUMC). The beams simulate radiationencountered in space, where trapped protons having kinetic energies onthe order of 100 MeV are copious. Protons with 100 MeV kinetic energy andabove can penetrate many centimeters of water of other light materials,so that astronauts exposed to such energetic particles will receive dosesto their internal organs. This dose can be enhanced or reduced byshielding - either from the spacesuit or the self-shielding of the body -but minimization of the risk depends on details of the incident particleflux (in particular the energy spectrum) and on the dose responses of thevarious critical organs.

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  • Journal Name: Radiation Measurements; Journal Volume: 41; Journal Issue: 9-10; Related Information: Journal Publication Date: Oct./Nov.2006

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  • Report No.: LBNL--47656
  • Grant Number: DE-AC02-05CH11231
  • Grant Number: NASA:T5606W
  • Office of Scientific & Technical Information Report Number: 917326
  • Archival Resource Key: ark:/67531/metadc889968

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  • June 4, 2001

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  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 30, 2016, 12:41 p.m.

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Zeitlin, C.; Heilbronn, L.; Miller, J. & Shavers, M. Radiation tests of the EMU spacesuit for the International SpaceStation using energetic protons, article, June 4, 2001; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc889968/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.