Measurements and Monte Carlo simulations of high-energy neutron streaming through the access maze using activation detectors at 24 GeV/c proton beam facility of CERN/CHARM

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The protons of 24 GeV/c were injected onto a 50-cm-thick copper target and the released neutrons were streamed through a maze with several corridor-legs horizontally designed with the shield walls in the facility. Streaming neutrons were measured by using aluminum activation detectors placed at 10 locations in the maze. From the radionuclide production rate in the activation detectors, the attenuation profile along the maze was obtained for the reaction of 27Al(n,α)24Na. Monte Carlo simulations performed with two codes, the Particle and Heavy Ion Transport System (PHITS) and CERN FLUktuierende KAskade (FLUKA), gave good agreements with the measurements within a factor of 1.7 for the production rates ranging over more than 3 orders of magnitude. Nakao, Noriaki; Kajimoto, Tsuyoshi; Sanami, Toshiya; Froeschl, Robert; Iliopoulou, Elpida; Infantino, Angelo; Yashima, Hiroshi; Oyama, Takahiro; Nagaguro, Seiji; Lee, Eunji; Matsumoto, Tetsuro; Masuda, Akihiko; Uwamino, Yoshitomo; Roesler, Stefan; Brugger, Markus" /> <meta name="keywords" content="High-energy neutron, charm, maze, activation detector, Monte Carlo, phits, fluka" /> <script type="text/javascript" src="https://cds.cern.ch/js/jquery.min.js"></script>  <link rel="stylesheet" href="https://cds.cern.ch/img/webnews.css" type="text/css" />  <script type="text/javascript" src="https://cds.cern.ch/js/webnews.js?v=20131009"></script> <meta property="fb:app_id" content="137353533001720"/> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ tex2jax: {inlineMath: [['$','$']], processEscapes: true}, showProcessingMessages: false, messageStyle: "none" }); </script> <script src="/MathJax/MathJax.js?config=TeX-AMS_CHTML" type="text/javascript"> </script>  <meta content="Taylor and Francis : Measurements and Monte Carlo simulations of high-energy neutron streaming through the access maze using activation detectors at 24 GeV/c proton beam facility of CERN/CHARM" name="citation_title" /> <meta content="Nakao, Noriaki" name="citation_author" /> <meta content="Uwamino, Yoshitomo" name="citation_author" /> <meta content="Brugger, Markus" name="citation_author" /> <meta content="Matsumoto, Tetsuro" name="citation_author" /> <meta content="Sanami, Toshiya" name="citation_author" /> <meta content="Iliopoulou, Elpida" name="citation_author" /> <meta content="Lee, Eunji" name="citation_author" /> <meta content="Nagaguro, Seiji" name="citation_author" /> <meta content="Roesler, Stefan" name="citation_author" /> <meta content="Masuda, Akihiko" name="citation_author" /> <meta content="Kajimoto, Tsuyoshi" name="citation_author" /> <meta content="Froeschl, Robert" name="citation_author" /> <meta content="Oyama, Takahiro" name="citation_author" /> <meta content="Yashima, Hiroshi" name="citation_author" /> <meta content="Infantino, Angelo" name="citation_author" /> <meta content="10.1080/00223131.2021.1887003" name="citation_doi" /> <meta content="J. 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The protons of 24 GeV/c were injected onto a 50-cm-thick copper target and the released neutrons were streamed through a maze with several corridor-legs horizontally designed with the shield walls in the facility. Streaming neutrons were measured by using aluminum activation detectors placed at 10 locations in the maze. From the radionuclide production rate in the activation detectors, the attenuation profile along the maze was obtained for the reaction of 27Al(n,α)24Na. Monte Carlo simulations performed with two codes, the Particle and Heavy Ion Transport System (PHITS) and CERN FLUktuierende KAskade (FLUKA), gave good agreements with the measurements within a factor of 1.7 for the production rates ranging over more than 3 orders of magnitude." property="og:description" />  <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="CERN32Document32Server search" lang="no">  <div id="cern-toolbar"> <h1><a href="http://cern.ch" title="CERN">CERN <span>Accelerating science</span></a></h1> <ul> <li class="cern-accountlinks"><a class="cern-account" href="https://cds.cern.ch/youraccount/login?ln=no&referer=https%3A//cds.cern.ch/record/2807802%3Fln%3Dno" title="Sign in to your CERN account">Sign in</a></li> <li><a class="cern-directory" href="http://cern.ch/directory" title="Search CERN resources and browse the directory">Directory</a></li> </ul> </div>   <div role="banner" class="clearfix" id="header"> <div class="header-inner inner"> <hgroup class="clearfix"> <h2 id="site-name"> <a rel="home" title="Home" href="/"><span>CERN Document Server</span></a> </h2> <h3 id="site-slogan">Access articles, reports and multimedia content in HEP</h3> </hgroup> <div role="navigation" id="main-navigation" class="cdsmenu"> <h2 class="element-invisible">Main menu</h2><ul class="links inline clearfix"> <li class="menu-386 first active-trail"><a class="active-trail" href="https://cds.cern.ch/?ln=no">Søk</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=no">Send inn</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=no">Hjelp</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=no">Brukerinnstillinger</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=no">Your alerts</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=no">Your baskets</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=no">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=no">Your searches</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=no" class="navtrail">Hovedsiden</a> > Measurements and Monte Carlo simulations of high-energy neutron streaming through the access maze using activation detectors at 24 GeV/c proton beam facility of CERN/CHARM </td> </tr> </table> </div> <div class="pagebody"><div class="pagebodystripemiddle"> <div class="detailedrecordbox"> <div class="detailedrecordtabs"> <div> <ul class="detailedrecordtabs"><li class="on first"><a href="/record/2807802/?ln=no">Informasjon </a></li><li class=""><a href="/record/2807802/files?ln=no">Files </a></li></ul> <div id="tabsSpacer" style="clear:both;height:0px"> </div></div> </div> <div class="detailedrecordboxcontent"> <div class="top-left-folded"></div> <div class="top-right-folded"></div> <div class="inside">  <abbr class="unapi-id" title="2807802"></abbr> <style type="text/css">  </style> <table class="formatRecordTableFullWidth" > <tr> <td class="formatRecordHeader" style="background-image: url('https://cds.cern.ch/img/journals.jpg');" colspan="2">  Article </td> </tr> <script type="text/javascript"> $( document ).ready(function() { $('.showAuthor').on('click', function() { var author = '<p>' + $(this).data('name') + '</p>'; var affiliation = $(this).data('affiliation') + '</br>'; var contribution = $(this).data('contribution') + '</br>'; $.magnificPopup.open({ items: { src: '<div id="ovelary-mathjax" class="overlay-white oc-content overlay-white-500">' + author + affiliation + contribution + '</div>', type: 'inline' }, callbacks: { open: function() { var div = document.getElementById("overlay-mathjax") MathJax.Hub.Queue(["Typeset", MathJax.Hub, div]); }, } }) }) }); </script> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>Measurements and Monte Carlo simulations of high-energy neutron streaming through the access maze using activation detectors at 24 GeV/c proton beam facility of CERN/CHARM</b></td></tr> <tr><td class="formatRecordLabel"><span style="white-space:nowrap;"> Author(s) </span> </td><td style="padding-left:5px;"> <script type="text/javascript"> function toggle_authors_visibility(){ var more = document.getElementById('more'); var link = document.getElementById('link'); var extension = document.getElementById('extension'); if (more.style.display=='none'){ more.style.display = ''; extension.style.display = 'none'; link.innerHTML = "Skjul" } else { more.style.display = 'none'; extension.style.display = ''; link.innerHTML = "Vis alle 15 forfattere" } link.style.color = "rgb(204,0,0);" } function set_up(){ var extension = document.getElementById('extension'); extension.innerHTML = ""; toggle_authors_visibility(); } </script> <a name="show_hide" /><a href="https://cds.cern.ch/search?f=author&p=Nakao%2C%20Noriaki&ln=no">Nakao, Noriaki</a> (Shimizu, Tokyo) ; <a href="https://cds.cern.ch/search?f=author&p=Kajimoto%2C%20Tsuyoshi&ln=no">Kajimoto, Tsuyoshi</a> (Hiroshima U. (main)) ; <a href="https://cds.cern.ch/search?f=author&p=Sanami%2C%20Toshiya&ln=no">Sanami, Toshiya</a> (KEK, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Froeschl%2C%20Robert&ln=no">Froeschl, Robert</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Iliopoulou%2C%20Elpida&ln=no">Iliopoulou, Elpida</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Infantino%2C%20Angelo&ln=no">Infantino, Angelo</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Yashima%2C%20Hiroshi&ln=no">Yashima, Hiroshi</a> (Kyoto U. (main)) ; <a href="https://cds.cern.ch/search?f=author&p=Oyama%2C%20Takahiro&ln=no">Oyama, Takahiro</a> (KEK, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Nagaguro%2C%20Seiji&ln=no">Nagaguro, Seiji</a> (KEK, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Lee%2C%20Eunji&ln=no">Lee, Eunji</a> (Kyushu U., Fukuoka (main) ; NCSU, Raleigh)<span id="more" style=""> ; <a href="https://cds.cern.ch/search?f=author&p=Matsumoto%2C%20Tetsuro&ln=no">Matsumoto, Tetsuro</a> (AIST, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Masuda%2C%20Akihiko&ln=no">Masuda, Akihiko</a> (AIST, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Uwamino%2C%20Yoshitomo&ln=no">Uwamino, Yoshitomo</a> (Shimizu, Tokyo) ; <a href="https://cds.cern.ch/search?f=author&p=Roesler%2C%20Stefan&ln=no">Roesler, Stefan</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Brugger%2C%20Markus&ln=no">Brugger, Markus</a> (CERN)</span> <span id="extension"></span> <small><i><a id="link" href="#" onclick="toggle_authors_visibility()" style="color:rgb(204,0,0);"></a></i></small><script type="text/javascript">set_up()</script></td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2021</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">9</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1080/00223131.2021.1887003"><i>J. Nucl. Sci. Tech.</i> 58 (2021) 899-907</a> </a></td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1080/00223131.2021.1887003" title="DOI" target="_blank">10.1080/00223131.2021.1887003</a> <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">Accelerators and Storage Rings ; Nuclear Physics - Experiment</td></tr> <tr><td class="formatRecordLabel"> Accelerator/Facility, Experiment </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/search?p=CERN%20CHARM&f=693__a">CERN CHARM</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">A measurement of high-energy neutron streaming was performed through a maze at the CERN (Conseil Européen pour la Recherche Nucléaire) High-energy AcceleRator Mixed-field (CHARM) facility. The protons of 24 GeV/c were injected onto a 50-cm-thick copper target and the released neutrons were streamed through a maze with several corridor-legs horizontally designed with the shield walls in the facility. Streaming neutrons were measured by using aluminum activation detectors placed at 10 locations in the maze. From the radionuclide production rate in the activation detectors, the attenuation profile along the maze was obtained for the reaction of 27Al(n,α)24Na. Monte Carlo simulations performed with two codes, the Particle and Heavy Ion Transport System (PHITS) and CERN FLUktuierende KAskade (FLUKA), gave good agreements with the measurements within a factor of 1.7 for the production rates ranging over more than 3 orders of magnitude.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;">© 2021-2024 The Author(s) (License: <a href="http://creativecommons.org/licenses/by-nc-nd/4.0/">CC-BY-NC-ND-4.0</a>)</td></tr> </table> <br/>Corresponding record in: <a href="http://inspirehep.net/record/1893430">Inspire</a> <small> </small> <br/> <br/><br/><div align="right"><div style="padding-bottom:2px;padding-top:30px;"><span class="moreinfo" style="margin-right:10px;"> <a href="" class="moreinfo">Back to search</a> </span></div></div> <div class="bottom-left-folded"><div class="recordlastmodifiedbox" style="position:relative;margin-left:1px"> Element opprettet 2022-04-28, sist endret 2022-04-28</div></div> <div class="bottom-right-folded" style="text-align:right;padding-bottom:2px;"> <span class="moreinfo" style="margin-right:10px;"><a href="/search?ln=no&p=recid%3A2807802&rm=wrd" class="moreinfo">Lignende elementer</a></span></div> </div> </div> </div> <br/> <br /> <div class="detailedrecordminipanel"> <div class="top-left"></div><div class="top-right"></div> <div class="inside"> <div id="detailedrecordminipanelfile" style="width:33%;float:left;text-align:center;margin-top:0"> <div><small class="detailedRecordActions">Fulltekst:</small> <br /><a href="/record/2807802/files/00223131.2021.pdf"><img style="border:none" src="/img/file-icon-text-34x48.gif" alt="Last ned fulltekst" /><br />PDF</a><br /></div> </div> <div id="detailedrecordminipanelreview" style="width:30%;float:left;text-align:center"> </div> <div id="detailedrecordminipanelactions" style="width:36%;float:right;text-align:right;"> <ul class="detailedrecordactions"> <li><a href="/yourbaskets/add?ln=no&recid=2807802">Legg i egen kurv</a></li> <li>Eksporter som <a style="text-decoration:underline;font-weight:normal" href="/record/2807802/export/hx?ln=no">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2807802/export/hm?ln=no">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2807802/export/xm?ln=no">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2807802/export/xd?ln=no">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2807802/export/xe?ln=no">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2807802/export/xn?ln=no">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2807802/export/xw?ln=no">RefWorks</a> </li> </ul> <div style='padding-left: 13px;'>  <div id="bookmark"></div> <div id="bookmark_sciencewise"></div> <style type="text/css"> #bookmark_sciencewise, #bookmark {float: left;} #bookmark_sciencewise li {padding: 2px; width: 25px;} #bookmark_sciencewise ul, #bookmark ul {list-style-image: none;} </style> <script type="text/javascript" src="/js/jquery.bookmark.min.js"></script> <style type="text/css">@import "/css/jquery.bookmark.css";</style> <script type="text/javascript">// <![CDATA[ $.bookmark.addSite('sciencewise', 'ScienceWise.info', 'https://cds.cern.ch/img/sciencewise.png', 'en', 'bookmark', 'http://sciencewise.info/bookmarks/cds:2807802/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2807802', addEmail: true, title: "Measurements and Monte Carlo simulations of high-energy neutron streaming through the access maze using activation detectors at 24 GeV/c proton beam facility of CERN/CHARM", description: "A measurement of high-energy neutron streaming was performed through a maze at the CERN (Conseil Europ\u00e9en pour la Recherche Nucl\u00e9aire) High-energy AcceleRator Mixed-field (CHARM) facility. The protons of 24\u00a0GeV/c were injected onto a 50-cm-thick copper target and the released neutrons were streamed through a maze with several corridor-legs horizontally designed with the shield walls in the facility. Streaming neutrons were measured by using aluminum activation detectors placed at 10 locations in the maze. From the radionuclide production rate in the activation detectors, the attenuation profile along the maze was obtained for the reaction of\u00a027Al(n,\u03b1)24Na. Monte Carlo simulations performed with two codes, the Particle and Heavy Ion Transport System (PHITS) and CERN FLUktuierende KAskade (FLUKA), gave good agreements with the measurements within a factor of 1.7 for the production rates ranging over more than 3 orders of magnitude." }); // ]]> </script>  </div> </div> <div style="clear:both;margin-bottom: 0;"></div> </div> <div class="bottom-left"></div><div class="bottom-right"></div> </div> </div></div> <footer id="footer" class="pagefooter clearfix">  <div class="pagefooterstripeleft"> CERN Document Server :: <a class="footer" href="https://cds.cern.ch/?ln=no">Søk</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=no">Send inn</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=no">Brukerinnstillinger</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=no">Hjelp</a> :: <a class="footer" href="https://cern.service-now.com/service-portal?id=privacy_policy&se=CDS-Service" target="_blank">Privacy Notice</a> <br /> Powered by <a class="footer" href="http://invenio-software.org/">Invenio</a> <br /> Vedlikeholdt av <a class="footer" href="https://cern.service-now.com/service-portal?id=service_element&name=CDS-Service">CDS Service</a> - Need help? 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Measurements and Monte Carlo simulations of high-energy neutron streaming through the access maze using activation detectors at 24 GeV/c proton beam facility of CERN/CHARM - CERN Document Server