Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/106816
Type: Artigo de periódico
Title: Comparison Between Thorium And Uranium Fission Track Diameters In Glass
Author: Moreira P.A.F.P.
Iunes P.J.
Guedes S.
Hadler J.C.
Abstract: Comparisons between diameters of uranium and thorium neutron induced fission tracks in glass made possible to test indirectly the hypothesis that observation efficiency of spontaneous 238U and induced 235U fission tracks may be considered the same. The sources of fission fragments were uranium and thorium thin films irradiated with neutrons with and without Cd-cover. After irradiation, the glasses were etched for 50 s by HF 24% at 15 {ring operator} C followed by another etching for 30 s in same conditions. Diameters were measured after each chemical etching. Only tracks presenting a ratio between the longer and shorter diameters lesser than 1.1 have been analyzed. The results indicates the hypothesis is valid. © 2008 Elsevier Ltd. All rights reserved.
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Rights: fechado
Identifier DOI: 10.1016/j.radmeas.2008.04.080
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-48549092785&partnerID=40&md5=02dc74fd5533a7099092f06193ac4013
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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