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The thicknesses of the concrete and steel shielding blocks ranged from 40 cm to 200 cm and from 20 cm to 80 cm, respectively. The BSS consisted of a spherical 3He proportional counter and five polyethylene moderators with diameters of 7.62 cm, 10.2 cm, 12.7 cm, 17.8 cm, and 24.1 cm, respectively. In addition, polyethylene moderators combined with a lead or copper inner shell were used to increase the sensitivity to high-energy neutrons. The neutron energy spectra were deduced using an unfolding method. The initial guesses were obtained using the PHITS code for each experimental geometry. The response function for the BSS was determined using the MCNP6.2 code with JENDL-4.0/HE. The neutron energy spectra over the entire energy region from 10−4 eV to 10 GeV were successfully obtained for the different shielding conditions. The validity of the response function and the contribution of each moderator are discussed referring to previous studies and tests at the standard neutron fields of AIST. Matsumoto, Tetsuro; Masuda, Akihiko; Lee, Eunji; Sanami, Toshiya; Oyama, Takahiro; Kajimoto, Tsuyoshi; Nakao, Noriaki; Yashima, Hiroshi; Nagaguro, Seiji; Uwamino, Yoshitomo; Manabe, Seiya; Shigyo, Nobuhiro; Harano, Hideki; Froeschl, Robert; Iliopoulou, Elpida; Infantino, Angelo; Roesler, Stefan; Brugger, Markus" /> <meta name="keywords" content="Neutrons, concrete shielding, steel shielding, high-energy neutrons, Bonner sphere spectrometer, unfolding" /> <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 : Measurement of neutron spectra for various thicknesses of concrete and steel shielding at 24-GeV/c proton beam facility using Bonner sphere spectrometer" name="citation_title" /> <meta content="Matsumoto, Tetsuro" name="citation_author" /> <meta content="Uwamino, Yoshitomo" name="citation_author" /> <meta content="Manabe, Seiya" name="citation_author" /> <meta content="Shigyo, Nobuhiro" name="citation_author" /> <meta content="Oyama, Takahiro" name="citation_author" /> <meta content="Iliopoulou, Elpida" name="citation_author" /> <meta content="Nakao, Noriaki" 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="Kajimoto, Tsuyoshi" name="citation_author" /> <meta content="Froeschl, Robert" name="citation_author" /> <meta content="Sanami, Toshiya" name="citation_author" /> <meta content="Harano, Hideki" name="citation_author" /> <meta content="Masuda, Akihiko" name="citation_author" /> <meta content="Yashima, Hiroshi" name="citation_author" /> <meta content="Brugger, Markus" name="citation_author" /> <meta content="Infantino, Angelo" name="citation_author" /> <meta content="10.1080/00223131.2023.2274933" name="citation_doi" /> <meta content="J. 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The thicknesses of the concrete and steel shielding blocks ranged from 40 cm to 200 cm and from 20 cm to 80 cm, respectively. The BSS consisted of a spherical 3He proportional counter and five polyethylene moderators with diameters of 7.62 cm, 10.2 cm, 12.7 cm, 17.8 cm, and 24.1 cm, respectively. In addition, polyethylene moderators combined with a lead or copper inner shell were used to increase the sensitivity to high-energy neutrons. The neutron energy spectra were deduced using an unfolding method. The initial guesses were obtained using the PHITS code for each experimental geometry. The response function for the BSS was determined using the MCNP6.2 code with JENDL-4.0/HE. The neutron energy spectra over the entire energy region from 10−4 eV to 10 GeV were successfully obtained for the different shielding conditions. The validity of the response function and the contribution of each moderator are discussed referring to previous studies and tests at the standard neutron fields of AIST." property="og:description" />  <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="CERN32Document32Server search" lang="ru">  <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=ru&referer=https%3A//cds.cern.ch/record/2891203%3Fln%3Dru" 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=ru">Искать</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=ru">Внести</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=ru">Помощь</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=ru">Персонализовать</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=ru">Ваши оповещения</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=ru">Ваши книжные полки</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=ru">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=ru">Ваши поисковые запросы</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=ru" class="navtrail">Главная страница</a> > Measurement of neutron spectra for various thicknesses of concrete and steel shielding at 24-GeV/c proton beam facility using Bonner sphere spectrometer </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/2891203/?ln=ru">Информация </a></li><li class="disabled"><a>Файлы </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="2891203"></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>Measurement of neutron spectra for various thicknesses of concrete and steel shielding at 24-GeV/c proton beam facility using Bonner sphere spectrometer</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 = "Руководство" } else { more.style.display = 'none'; extension.style.display = ''; link.innerHTML = "Показать всех 18 авторов" } 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=Matsumoto%2C%20Tetsuro&ln=ru">Matsumoto, Tetsuro</a> (AIST, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Masuda%2C%20Akihiko&ln=ru">Masuda, Akihiko</a> (AIST, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Lee%2C%20Eunji&ln=ru">Lee, Eunji</a> (KEK, Tsukuba ; Kyushu U.) ; <a href="https://cds.cern.ch/search?f=author&p=Sanami%2C%20Toshiya&ln=ru">Sanami, Toshiya</a> (KEK, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Oyama%2C%20Takahiro&ln=ru">Oyama, Takahiro</a> (KEK, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Kajimoto%2C%20Tsuyoshi&ln=ru">Kajimoto, Tsuyoshi</a> (Hiroshima U.) ; <a href="https://cds.cern.ch/search?f=author&p=Nakao%2C%20Noriaki&ln=ru">Nakao, Noriaki</a> (Shimizu, Tokyo) ; <a href="https://cds.cern.ch/search?f=author&p=Yashima%2C%20Hiroshi&ln=ru">Yashima, Hiroshi</a> (Kyoto U.) ; <a href="https://cds.cern.ch/search?f=author&p=Nagaguro%2C%20Seiji&ln=ru">Nagaguro, Seiji</a> (KEK, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Uwamino%2C%20Yoshitomo&ln=ru">Uwamino, Yoshitomo</a> (Shimizu, Tokyo)<span id="more" style=""> ; <a href="https://cds.cern.ch/search?f=author&p=Manabe%2C%20Seiya&ln=ru">Manabe, Seiya</a> (AIST, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Shigyo%2C%20Nobuhiro&ln=ru">Shigyo, Nobuhiro</a> (Kyushu U.) ; <a href="https://cds.cern.ch/search?f=author&p=Harano%2C%20Hideki&ln=ru">Harano, Hideki</a> (AIST, Tsukuba) ; <a href="https://cds.cern.ch/search?f=author&p=Froeschl%2C%20Robert&ln=ru">Froeschl, Robert</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Iliopoulou%2C%20Elpida&ln=ru">Iliopoulou, Elpida</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Infantino%2C%20Angelo&ln=ru">Infantino, Angelo</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Roesler%2C%20Stefan&ln=ru">Roesler, Stefan</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Brugger%2C%20Markus&ln=ru">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;">2024</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">13</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1080/00223131.2023.2274933"><i>J. Nucl. Sci. Tech.</i> 61 (2024) 98-110</a> </a></td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1080/00223131.2023.2274933" title="DOI" target="_blank">10.1080/00223131.2023.2274933</a> <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;">Neutron energy spectra down to thermal energy were measured using a Bonner sphere spectrometer (BSS) for various thicknesses of concrete and steel shielding at the CERN/CHARM facility, where high-energy neutrons were produced by 24-GeV/c protons incident on a thick copper target. The thicknesses of the concrete and steel shielding blocks ranged from 40 cm to 200 cm and from 20 cm to 80 cm, respectively. The BSS consisted of a spherical 3He proportional counter and five polyethylene moderators with diameters of 7.62 cm, 10.2 cm, 12.7 cm, 17.8 cm, and 24.1 cm, respectively. In addition, polyethylene moderators combined with a lead or copper inner shell were used to increase the sensitivity to high-energy neutrons. The neutron energy spectra were deduced using an unfolding method. The initial guesses were obtained using the PHITS code for each experimental geometry. The response function for the BSS was determined using the MCNP6.2 code with JENDL-4.0/HE. The neutron energy spectra over the entire energy region from 10−4 eV to 10 GeV were successfully obtained for the different shielding conditions. The validity of the response function and the contribution of each moderator are discussed referring to previous studies and tests at the standard neutron fields of AIST.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;">© 2023-2024 Atomic Energy Society of Japan</td></tr> </table> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2763284">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"> Запись создана 2024-03-09, последняя модификация 2024-03-09</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=ru&p=recid%3A2891203&rm=wrd" class="moreinfo">Подобные записи</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"> <br/> </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=ru&recid=2891203">Добавить в личную книжную полку</a></li> <li>Экспортировать как <a style="text-decoration:underline;font-weight:normal" href="/record/2891203/export/hx?ln=ru">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2891203/export/hm?ln=ru">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2891203/export/xm?ln=ru">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2891203/export/xd?ln=ru">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2891203/export/xe?ln=ru">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2891203/export/xn?ln=ru">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2891203/export/xw?ln=ru">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:2891203/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2891203', addEmail: true, title: "Measurement of neutron spectra for various thicknesses of concrete and steel shielding at 24-GeV/c proton beam facility using Bonner sphere spectrometer", description: "Neutron energy spectra down to thermal energy were measured using a Bonner sphere spectrometer (BSS) for various thicknesses of concrete and steel shielding at the CERN/CHARM facility, where high-energy neutrons were produced by 24-GeV/c protons incident on a thick copper target. The thicknesses of the concrete and steel shielding blocks ranged from 40\u2009cm to 200\u2009cm and from 20\u2009cm to 80\u2009cm, respectively. The BSS consisted of a spherical 3He proportional counter and five polyethylene moderators with diameters of 7.62\u2009cm, 10.2\u2009cm, 12.7\u2009cm, 17.8\u2009cm, and 24.1\u2009cm, respectively. In addition, polyethylene moderators combined with a lead or copper inner shell were used to increase the sensitivity to high-energy neutrons. The neutron energy spectra were deduced using an unfolding method. The initial guesses were obtained using the PHITS code for each experimental geometry. The response function for the BSS was determined using the MCNP6.2 code with JENDL-4.0/HE. The neutron energy spectra over the entire energy region from 10\u22124 eV to 10\u2009GeV were successfully obtained for the different shielding conditions. The validity of the response function and the contribution of each moderator are discussed referring to previous studies and tests at the standard neutron fields of AIST." }); // ]]> </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=ru">Искать</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=ru">Внести</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=ru">Персонализовать</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=ru">Помощь</a> :: <a class="footer" href="https://cern.service-now.com/service-portal?id=privacy_policy&se=CDS-Service" target="_blank">Privacy Notice</a> <br /> Развиваемое <a class="footer" href="http://invenio-software.org/">Invenio</a> <br /> Поддерживает <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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