Nuclear Emulsion Measurements of the Dose Contribution from Tissue Disintegration Stars on the Apollo-Soyuz Mission
Analysis of the prong number distribution of a population of disintegration stars in nuclear emulsion allows a quantitative estimate of the fraction of stars originating in the gelatin matrix and thereby an assessment of the tissue-equivalent dose from stars. 996 stars were prong-counted in two 100...
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| description | Analysis of the prong number distribution of a population of disintegration stars in nuclear emulsion allows a quantitative estimate of the fraction of stars originating in the gelatin matrix and thereby an assessment of the tissue-equivalent dose from stars. 996 stars were prong-counted in two 100 micron llford K.2 emulsions from the dosimeter of the Docking Pilot on Apollo-Soyuz and furnished a tissue star dose of 7.8 millirad or 45 millirem. Since star-produced neutrons do not leave visible prongs in emulsion, their dose contribution is not included. Nuclear theory as well as earlier measurements of galactic radiation in the Earth's atmosphere indicate that the dose equivalent from neutrons is about equal to the one from all ionizing secondaries from stars. This would set the total tissue star dose for Apollo-Soyuz at approximately 90 millirem. (Author) |
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Since star-produced neutrons do not leave visible prongs in emulsion, their dose contribution is not included. Nuclear theory as well as earlier measurements of galactic radiation in the Earth's atmosphere indicate that the dose equivalent from neutrons is about equal to the one from all ionizing secondaries from stars. This would set the total tissue star dose for Apollo-Soyuz at approximately 90 millirem. 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Since star-produced neutrons do not leave visible prongs in emulsion, their dose contribution is not included. Nuclear theory as well as earlier measurements of galactic radiation in the Earth's atmosphere indicate that the dose equivalent from neutrons is about equal to the one from all ionizing secondaries from stars. This would set the total tissue star dose for Apollo-Soyuz at approximately 90 millirem. (Author)</description><subject>AEROSPACE ENVIRONMENTS</subject><subject>Apollo Soyuz mission</subject><subject>BACKGROUND RADIATION</subject><subject>DOSIMETRY</subject><subject>EMULSIONS</subject><subject>EXPOSURE(PHYSIOLOGY)</subject><subject>GELATINS</subject><subject>RADIATION DOSAGE</subject><subject>Radiobiology</subject><subject>SECONDARY EMISSION</subject><subject>SPACE MISSIONS</subject><subject>TISSUES(BIOLOGY)</subject><subject>WUNR105860</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1977</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNqFizEOgkAQAGksjPoDi_0AiZFCWgIYG2ygJycuuMlxa273Cn29J7G3mmJm1olcw2DReKjnYIXYQYNGgscZnQrwCPpAqFgQSnbq6Rb0W42eZ-hIJERLQk5x8mZRrRofT7ecxZOt5bTlV3hDE_tYbJPVaKzg7sdNsj_XXXlJ70pDL0oOtS-q4pDl-emY_dEfnvdBvg</recordid><startdate>19770315</startdate><enddate>19770315</enddate><creator>Schaefer,Hermann J</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>19770315</creationdate><title>Nuclear Emulsion Measurements of the Dose Contribution from Tissue Disintegration Stars on the Apollo-Soyuz Mission</title><author>Schaefer,Hermann J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADA0388723</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1977</creationdate><topic>AEROSPACE ENVIRONMENTS</topic><topic>Apollo Soyuz mission</topic><topic>BACKGROUND RADIATION</topic><topic>DOSIMETRY</topic><topic>EMULSIONS</topic><topic>EXPOSURE(PHYSIOLOGY)</topic><topic>GELATINS</topic><topic>RADIATION DOSAGE</topic><topic>Radiobiology</topic><topic>SECONDARY EMISSION</topic><topic>SPACE MISSIONS</topic><topic>TISSUES(BIOLOGY)</topic><topic>WUNR105860</topic><toplevel>online_resources</toplevel><creatorcontrib>Schaefer,Hermann J</creatorcontrib><creatorcontrib>UNIVERSITY OF WEST FLORIDA PENSACOLA</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Schaefer,Hermann J</au><aucorp>UNIVERSITY OF WEST FLORIDA PENSACOLA</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Nuclear Emulsion Measurements of the Dose Contribution from Tissue Disintegration Stars on the Apollo-Soyuz Mission</btitle><date>1977-03-15</date><risdate>1977</risdate><abstract>Analysis of the prong number distribution of a population of disintegration stars in nuclear emulsion allows a quantitative estimate of the fraction of stars originating in the gelatin matrix and thereby an assessment of the tissue-equivalent dose from stars. 996 stars were prong-counted in two 100 micron llford K.2 emulsions from the dosimeter of the Docking Pilot on Apollo-Soyuz and furnished a tissue star dose of 7.8 millirad or 45 millirem. Since star-produced neutrons do not leave visible prongs in emulsion, their dose contribution is not included. Nuclear theory as well as earlier measurements of galactic radiation in the Earth's atmosphere indicate that the dose equivalent from neutrons is about equal to the one from all ionizing secondaries from stars. This would set the total tissue star dose for Apollo-Soyuz at approximately 90 millirem. (Author)</abstract><oa>free_for_read</oa></addata></record> |
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| source | DTIC Technical Reports |
| subjects | AEROSPACE ENVIRONMENTS Apollo Soyuz mission BACKGROUND RADIATION DOSIMETRY EMULSIONS EXPOSURE(PHYSIOLOGY) GELATINS RADIATION DOSAGE Radiobiology SECONDARY EMISSION SPACE MISSIONS TISSUES(BIOLOGY) WUNR105860 |
| title | Nuclear Emulsion Measurements of the Dose Contribution from Tissue Disintegration Stars on the Apollo-Soyuz Mission |
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