title: The response of CR-39 nuclear track detector to 1-9 MeV protons.
abstract: The response of CR-39 nuclear track detector (TasTrak(®)) to protons in the energy range of 0.92-9.28 MeV has been studied. Previous studies of the CR-39 response to protons have been extended by examining the piece-to-piece variability in addition to the effects of etch time and etchant temperature; it is shown that the shape of the CR-39 response curve to protons can vary from piece-to-piece. Effects due to the age of CR-39 have also been studied using 5.5 MeV alpha particles over a 5-year period. Track diameters were found to degrade with the age of the CR-39 itself rather than the age of the tracks, consistent with previous studies utilizing different CR-39 over shorter time periods.
authors: Plasma Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-0001, USA. nareg@psfc.mit.edu
authors: N
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authors: Sinenian
authors: M J
authors: MJ
authors: Rosenberg
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authors: Manuel
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authors: McDuffee
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authors: Casey
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authors: Zylstra
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authors: Rinderknecht
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authors: Gatu Johnson
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authors: Séguin
authors: J A
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authors: Frenje
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authors: Petrasso