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A THEOREM AND ITS APPLICATION TO FINITE TAMPERS (Technical Report) | OSTI.GOV
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It is applied to determine extrapolated end-points, the asymptotic amplitude from a point source, and the neutron density at the surface of a medium. Formulas for the effect of finite tampers are derived by its aid, and their accuracy is discussed." /> <meta name="citation_author" content="Feynman, R P" /> <meta name="citation_date" content="Thu Aug 15 00:00:00 EDT 1946" /> <meta name="citation_language" content="English" /> <meta name="citation_technical_report_number" content="LA-608" /> <meta name="citation_technical_report_institution" content="Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)" /> <meta name="citation_pdf_url" content="https://www.osti.gov/servlets/purl/4341197" /> <meta name="citation_doi" content="10.2172/4341197" /> <meta name="citation_keywords" content="physics; equations; neutron flux; neutron sources; neutrons; point sources; radiation sources; reflectors; surfaces; tamper; velocity" /> <meta name="citation_funding_source" content="citation_funder=US Department of Energy; citation_grant_number=W-7405-ENG-36; "/> <script type="application/ld+json">{"datePublished":"Thu Aug 15 00:00:00 EDT 1946","identifier":"https://doi.org/10.2172/4341197","keywords":["PHYSICS","EQUATIONS","NEUTRON FLUX","NEUTRON SOURCES","NEUTRONS","POINT SOURCES","RADIATION SOURCES","REFLECTORS","SURFACES","TAMPER","VELOCITY"],"@type":"Report","author":[{"name":"Feynman, R P","@type":"Person"}],"name":"A THEOREM AND ITS APPLICATION TO FINITE TAMPERS","sourceOrganization":[{"name":"Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)","@type":"Organization"},{"name":"US Atomic Energy Commission (AEC)","@type":"Organization"}],"description":"A theorem is derived which is useful in the analysis of neutron problems in which all neutrons have the same velocity. 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margin-bottom:0.5rem; margin-top:1.8rem; font-weight:500;"><span style="font-weight:normal;display:none;">Title: </span><span itemprop="name headline">A THEOREM AND ITS APPLICATION TO FINITE TAMPERS</span></h1> <div class="row mb-2"> <div class="col-12 small" style="line-height:1.5rem;"> <span class="biblio-refs-type-badge text-muted">Technical Report</span> <span style="padding-left: 0.75rem;padding-right: 0.75rem;">·</span> <time itemprop="datePublished" datetime="Thu Aug 15 00:00:00 EDT 1946">Thu Aug 15 00:00:00 EDT 1946</time> <div style="margin-top: 0.4rem;"> <span class="text-muted" style="padding-right:0.5em;"> DOI:</span><a href="https://doi.org/10.2172/4341197" target="_blank" rel="noopener" title="Document DOI URL" class="doi-link" data-ostiid="4341197" data-product-type="Technical Report" data-product-subtype="" style="word-wrap: break-word; padding-top:1em; padding-bottom:1em;">https://doi.org/10.2172/4341197</a><span style="padding-left: 0.75rem;padding-right: 0.75rem;">·</span> <span class="text-muted" style="padding-right:0.5em;">OSTI ID:</span>4341197 </div> </div> </div> <div class="row mb-2" style="margin-bottom:1.5rem;"> <div class="col-12 small" style="line-height:1.4rem;"> <span class="author-link"><a href="/search/author:"Feynman, R P"" class="biblio-detail-author-link"><span class="author" itemprop="author">Feynman, R P</span></a></span> </div> </div> <div class="row"><div id="metadata-description" class="col-sm-12 mb-2 p-trunc-3"> <p class="description mb-0 mt-0" id="citation-abstract" itemprop="description"> A theorem is derived which is useful in the analysis of neutron problems in which all neutrons have the same velocity. It is applied to determine extrapolated end-points, the asymptotic amplitude from a point source, and the neutron density at the surface of a medium. Formulas for the effect of finite tampers are derived by its aid, and their accuracy is discussed. </p> </div></div> </section> <div id="biblio-nav" class="row mb-2 d-md-block position-sticky d-print-none"> <div class="container"> <div class="row small align-flex-end" id="navbar-top"> <div class="col-xs-12 col-lg-6" style="padding:0;padding-top:0.5rem;"> <div style="display:inline-block;"> <a style="margin:0.5em;" class="pure-button button-success fulltext-link" data-ostiid="4341197" data-product-type="Technical Report" data-product-subtype="" href="/servlets/purl/4341197" target="_blank" rel="noopener"><span class="fa fa-download" style="margin-right:0.25em;"></span> View Technical Report</a></div> </div> <div class="col-xs-12 col-lg-6 text-right" style="padding:0;padding-top:0.5rem;"> <div class="text-left d-inline-block p-relative"> <a href="#" data-jq-dropdown="#biblio-cite-options" style="padding:1em; white-space:nowrap;" data-vertical-offset="15">Cite <span class="fa fa-angle-down" style="color:#aaa;" aria-hidden="true"></span></a> <div id="biblio-cite-options" class="jq-dropdown jq-dropdown-tip jq-dropdown-relative" style="display: none; left: 0px; top: 16px;"> <div class="jq-dropdown-menu xs-shift-left-9" style="padding:1em;min-width:400px;"> <div class="biblio-cite" style="padding: 1rem;"> <h2 class="title-citeformat mt-0 mb-0-5">Citation Formats</h2> <div class="row mb-2"><div class="col-12"> <ul class="nav nav-tabs nav-tabs-cite small clearfix"> <li class="active"><a href="#biblio-cite-mla" class="tab-nav tab-nav-cite" data-tab="cite">MLA</a></li> <li><a href="#biblio-cite-apa" class="tab-nav tab-nav-cite" data-tab="cite">APA</a></li> <li><a href="#biblio-cite-chi" class="tab-nav tab-nav-cite" data-tab="cite">Chicago</a></li> <li><a href="#biblio-cite-bib" class="tab-nav tab-nav-cite" data-tab="cite">BibTeX</a></li> </ul> </div></div> <div class="row"><div class="col-12"> <section id="biblio-cite-mla" class="tab-content tab-content-cite active" data-tab="cite"> <div class="small"> <code id="biblio-cite-mla-code" style="display:block; max-height:150px; overflow:scroll; overflow-x:hidden;"> Feynman, R P. <i>A THEOREM AND ITS APPLICATION TO FINITE TAMPERS</i>. United States: N. p., 1946. Web. doi:10.2172/4341197. </code> </div> <div class="text-right small" style="margin-top:1em;"><a href="#" class="clip-cite-bib" data-clipboard-target="biblio-cite-mla-code"><span class="fa fa-files-o"></span> Copy to clipboard</a></div> </section> <section id="biblio-cite-apa" class="tab-content tab-content-cite" data-tab="cite"> <div class="small"> <code id="biblio-cite-apa-code" style="display:block; max-height:150px; overflow:scroll; overflow-x:hidden;"> Feynman, R P. <i>A THEOREM AND ITS APPLICATION TO FINITE TAMPERS</i>. United States. https://doi.org/10.2172/4341197 </code> </div> <div class="text-right small" style="margin-top:1em;"><a href="#" class="clip-cite-bib" data-clipboard-target="biblio-cite-apa-code"><span class="fa fa-files-o"></span> Copy to clipboard</a></div> </section> <section id="biblio-cite-chi" class="tab-content tab-content-cite" data-tab="cite"> <div class="small"> <code id="biblio-cite-chi-code" style="display:block; max-height:150px; overflow:scroll; overflow-x:hidden;"> Feynman, R P. 1946. "A THEOREM AND ITS APPLICATION TO FINITE TAMPERS". United States. https://doi.org/10.2172/4341197. https://www.osti.gov/servlets/purl/4341197. </code> </div> <div class="text-right small" style="margin-top:1em;"><a href="#" class="clip-cite-bib" data-clipboard-target="biblio-cite-chi-code"><span class="fa fa-files-o"></span> Copy to clipboard</a></div> </section> <section id="biblio-cite-bib" class="tab-content tab-content-cite" data-tab="cite"> <div class="small"> <code id="biblio-cite-bib-code" style="display:block; max-height:150px; overflow:scroll; overflow-x:hidden;"> @article{osti_4341197,<br/> title = {A THEOREM AND ITS APPLICATION TO FINITE TAMPERS},<br/> author = {Feynman, R P},<br/> abstractNote = {A theorem is derived which is useful in the analysis of neutron problems in which all neutrons have the same velocity. It is applied to determine extrapolated end-points, the asymptotic amplitude from a point source, and the neutron density at the surface of a medium. Formulas for the effect of finite tampers are derived by its aid, and their accuracy is discussed.},<br/> doi = {10.2172/4341197},<br/> url = {https://www.osti.gov/biblio/4341197}, journal = {},<br/>number = ,<br/> volume = ,<br/> place = {United States},<br/> year = {Thu Aug 15 00:00:00 EDT 1946},<br/> month = {Thu Aug 15 00:00:00 EDT 1946}<br/> } </code> </div> <div class="text-right small" style="margin-top:1em;"><a href="#" class="clip-cite-bib" data-clipboard-target="biblio-cite-bib-code"><span class="fa fa-files-o"></span> Copy to clipboard</a></div> </section> </div></div> </div> </div> </div> </div> <div class="text-left d-inline-block p-relative"> <a href="#" data-jq-dropdown="#biblio-save-export" style="padding:1em; white-space:nowrap;" data-vertical-offset="15" class="">Export <span class="fa fa-angle-down" style="color:#aaa;" aria-hidden="true"></span></a> <div id="biblio-save-export" class="jq-dropdown jq-dropdown-tip jq-dropdown-relative" style="display: none; left: 0px; 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