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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">     <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"> <head> <title>Measurement of the Se78(n,γ)Se79 cross section up to 600 keV at the n_TOF facility at CERN - CERN Document Server</title> <link href='https://framework.web.cern.ch/framework/2.0/fonts/PTSansWeb/PTSansWeb.css' rel='stylesheet' type='text/css' /> <link rel="stylesheet" href="https://cds.cern.ch/img/invenio.css?v=20141127" type="text/css" /> <link rel="stylesheet" href="https://cds.cern.ch/img/cern_theme/css/cern_theme.css?v=20141127" type="text/css" /> <link rel="stylesheet"href="/css/font-awesome.min.css"> <meta http-equiv="X-UA-Compatible" content="IE=Edge"/> <link rel="stylesheet" href="https://cds.cern.ch/img/cern_toolbar/css/toolbar.css" type="text/css" />    <link rel="canonical" href="https://cds.cern.ch/record/2925313" /> <link rel="alternate" hreflang="el" href="https://cds.cern.ch/record/2925313?ln=el" /> <link rel="alternate" hreflang="fr" href="https://cds.cern.ch/record/2925313?ln=fr" /> <link rel="alternate" hreflang="bg" href="https://cds.cern.ch/record/2925313?ln=bg" /> <link rel="alternate" hreflang="zh-TW" href="https://cds.cern.ch/record/2925313?ln=zh_TW" /> <link rel="alternate" hreflang="pt" href="https://cds.cern.ch/record/2925313?ln=pt" /> <link rel="alternate" hreflang="no" href="https://cds.cern.ch/record/2925313?ln=no" /> <link rel="alternate" hreflang="hr" href="https://cds.cern.ch/record/2925313?ln=hr" /> <link rel="alternate" hreflang="ca" href="https://cds.cern.ch/record/2925313?ln=ca" /> <link rel="alternate" hreflang="de" href="https://cds.cern.ch/record/2925313?ln=de" /> <link rel="alternate" hreflang="it" href="https://cds.cern.ch/record/2925313?ln=it" /> <link rel="alternate" hreflang="zh-CN" href="https://cds.cern.ch/record/2925313?ln=zh_CN" /> <link rel="alternate" hreflang="sv" href="https://cds.cern.ch/record/2925313?ln=sv" /> <link rel="alternate" hreflang="sk" href="https://cds.cern.ch/record/2925313?ln=sk" /> <link rel="alternate" hreflang="en" href="https://cds.cern.ch/record/2925313?ln=en" /> <link rel="alternate" hreflang="pl" href="https://cds.cern.ch/record/2925313?ln=pl" /> <link rel="alternate" hreflang="ru" href="https://cds.cern.ch/record/2925313?ln=ru" /> <link rel="alternate" hreflang="ka" href="https://cds.cern.ch/record/2925313?ln=ka" /> <link rel="alternate" hreflang="ja" href="https://cds.cern.ch/record/2925313?ln=ja" /> <link rel="alternate" hreflang="es" href="https://cds.cern.ch/record/2925313?ln=es" /> <link rel="alternate" type="application/rss+xml" title="CERN Document Server RSS" href="/rss?ln=en" /> <link rel="search" type="application/opensearchdescription+xml" href="https://cds.cern.ch/opensearchdescription" title="CERN Document Server" /> <link rel="unapi-server" type="application/xml" title="unAPI" href="https://cds.cern.ch/unapi" /> <link rel="apple-touch-icon" href="/apple-touch-icon.png"/> <link rel="apple-touch-icon-precomposed" href="/apple-touch-icon-precomposed.png"/> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Language" content="en" /> <meta name="description" content="The Se78(n,γ)Se79 cross section has a high impact on the abundances of Se78 produced during the slow neutron capture process (s process) in massive stars. A measurement of the Se78 radiative neutron capture cross section has been performed at the Neutron Time-of-Flight facility at CERN using a set of liquid scintillation detectors that have been optimized for a low sensitivity to neutrons. We present resonance capture kernels up to 70 keV and cross section from 70 to 600 keV. Maxwellian-averaged cross section (MACS) values were calculated for stellar temperatures between kT=5 and 100 keV, with uncertainties between 4.6% and 5.8%. The new MACS values result in substantial decreases of 20–30% of Se78 abundances produced in the s process in massive stars and AGB stars. Massive stars are now predicted to produce subsolar Se78/Se76 ratios, which is expected since Se76 is an s-only isotope, while solar Se78 abundances have also contributions from other nucleosynthesis processes. Sosnin, N V; Lederer-Woods, C; Garg, R; Battino, U; Cristallo, S; Dietz, M; Heinitz, S; Krtička, M; Reifarth, R; Valenta, S; Vescovi, D; Aberle, O; Alcayne, V; Amaducci, S; Andrzejewski, J; Audouin, L; Bécares, V; Babiano-Suarez, V; Bacak, M; Barbagallo, M; Bečvář, F; Bellia, G; Berthoumieux, E; Billowes, J; Bosnar, D; Brown, A; Busso, M; Caamaño, M; Caballero, L; Calviño, F; Calviani, M; Cano-Ott, D; Casanovas, A; Cerutti, F; Chen, Y H; Chiaveri, E; Colonna, N; Cortés, G; Cortés-Giraldo, M A; Cosentino, L; Damone, L A; Diakaki, M; Domingo-Pardo, C; Dressler, R; Dupont, E; Durán, I; Eleme, Z; Fernández-Domínguez, B; Ferrari, A; Finocchiaro, P; Furman, V; Göbel, K; Gawlik-Ramięga, A; Gilardoni, S; Glodariu, T; Gonçalves, I F; González-Romero, E; Guerrero, C; Gunsing, F; Harada, H; Heyse, J; Jenkins, D G; Jericha, E; Käppeler, F; Kadi, Y; Kimura, A; Kivel, N; Kokkoris, M; Kopatch, Y; Kurtulgil, D; Ladarescu, I; Leeb, H; Lerendegui-Marco, J; Meo, S Lo; Lonsdale, S J; Manna, A; Martínez, 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A measurement of the Se78 radiative neutron capture cross section has been performed at the Neutron Time-of-Flight facility at CERN using a set of liquid scintillation detectors that have been optimized for a low sensitivity to neutrons. We present resonance capture kernels up to 70 keV and cross section from 70 to 600 keV. Maxwellian-averaged cross section (MACS) values were calculated for stellar temperatures between kT=5 and 100 keV, with uncertainties between 4.6% and 5.8%. The new MACS values result in substantial decreases of 20–30% of Se78 abundances produced in the s process in massive stars and AGB stars. Massive stars are now predicted to produce subsolar Se78/Se76 ratios, which is expected since Se76 is an s-only isotope, while solar Se78 abundances have also contributions from other nucleosynthesis processes." property="og:description" />  <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="n_TOF32INTC32Public32Documents search" lang="en">  <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=en&referer=https%3A//cds.cern.ch/record/2925313" 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=en">Search</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=en">Submit</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=en">Help</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=en">Personalize</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=en">Your alerts</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=en">Your baskets</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=en">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=en">Your searches</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=en" class="navtrail">Home</a> > <a href="/collection/CERN%20Experiments?ln=en" class="navtrail">CERN Experiments</a> > <a href="/collection/PS%20Experiments?ln=en" class="navtrail">PS Experiments</a> > <a href="/collection/n_TOF?ln=en" class="navtrail">n_TOF</a> > <a href="/collection/n_TOF%20INTC%20Public%20Documents?ln=en" class="navtrail">n_TOF INTC Public Documents</a> > Measurement of the Se78(n,γ)Se79 cross section up to 600 keV at the n_TOF facility at CERN </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/2925313/?ln=en">Information </a></li><li class=""><a href="/record/2925313/comments?ln=en">Discussion (0) </a></li><li class=""><a href="/record/2925313/files?ln=en">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="2925313"></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 the Se78(n,γ)Se79 cross section up to 600 keV at the n_TOF facility at CERN</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 = "Hide" } else { more.style.display = 'none'; extension.style.display = ''; link.innerHTML = "Show all 131 authors" } link.style.color = "rgb(204,0,0);" } function set_up(){ var extension = document.getElementById('extension'); extension.innerHTML = "n_TOF Collaboration "; toggle_authors_visibility(); } </script> <a name="show_hide" /><p id="more" style=""><a href="https://cds.cern.ch/search?f=author&p=Sosnin%2C%20N%20V&ln=en">Sosnin, N V</a> (Edinburgh U.) ; <a href="https://cds.cern.ch/search?f=author&p=Lederer-Woods%2C%20C&ln=en">Lederer-Woods, C</a> (Edinburgh U.) ; <a href="https://cds.cern.ch/search?f=author&p=Garg%2C%20R&ln=en">Garg, R</a> (Edinburgh U.) ; <a href="https://cds.cern.ch/search?f=author&p=Battino%2C%20U&ln=en">Battino, U</a> (Hull U.) ; <a href="https://cds.cern.ch/search?f=author&p=Cristallo%2C%20S&ln=en">Cristallo, S</a> (Palermo Observ. ; INFN, Perugia) ; <a href="https://cds.cern.ch/search?f=author&p=Dietz%2C%20M&ln=en">Dietz, M</a> (Edinburgh U. ; Braunschweig, Phys. Tech. Bund.) ; <a href="https://cds.cern.ch/search?f=author&p=Heinitz%2C%20S&ln=en">Heinitz, S</a> (PSI, Villigen) ; <a href="https://cds.cern.ch/search?f=author&p=Krti%C4%8Dka%2C%20M&ln=en">Krtička, M</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&p=Reifarth%2C%20R&ln=en">Reifarth, R</a> (Frankfurt U., Inst. Kernphys.) ; <a href="https://cds.cern.ch/search?f=author&p=Valenta%2C%20S&ln=en">Valenta, S</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&p=Vescovi%2C%20D&ln=en">Vescovi, D</a> (Palermo Observ. ; INFN, Perugia) ; <a href="https://cds.cern.ch/search?f=author&p=Aberle%2C%20O&ln=en">Aberle, O</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Alcayne%2C%20V&ln=en">Alcayne, V</a> (Madrid, CIEMAT) ; <a href="https://cds.cern.ch/search?f=author&p=Amaducci%2C%20S&ln=en">Amaducci, S</a> (INFN, Catania ; INFM, Catania) ; <a href="https://cds.cern.ch/search?f=author&p=Andrzejewski%2C%20J&ln=en">Andrzejewski, J</a> (Lodz U.) ; <a href="https://cds.cern.ch/search?f=author&p=Audouin%2C%20L&ln=en">Audouin, L</a> (Orsay, IPN) ; <a href="https://cds.cern.ch/search?f=author&p=B%C3%A9cares%2C%20V&ln=en">Bécares, V</a> (Madrid, CIEMAT) ; <a href="https://cds.cern.ch/search?f=author&p=Babiano-Suarez%2C%20V&ln=en">Babiano-Suarez, V</a> (Valencia U. ; Valencia U., IFIC) ; <a href="https://cds.cern.ch/search?f=author&p=Bacak%2C%20M&ln=en">Bacak, M</a> (CERN ; Vienna, Tech. U., Atominst. ; IRFU, Saclay) ; <a href="https://cds.cern.ch/search?f=author&p=Barbagallo%2C%20M&ln=en">Barbagallo, M</a> (CERN ; INFN, Bari) ; <a href="https://cds.cern.ch/search?f=author&p=Be%C4%8Dv%C3%A1%C5%99%2C%20F&ln=en">Bečvář, F</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&p=Bellia%2C%20G&ln=en">Bellia, G</a> (INFN, Catania ; INFM, Catania) ; <a href="https://cds.cern.ch/search?f=author&p=Berthoumieux%2C%20E&ln=en">Berthoumieux, E</a> (IRFU, Saclay) ; <a href="https://cds.cern.ch/search?f=author&p=Billowes%2C%20J&ln=en">Billowes, J</a> (Manchester U.) ; <a href="https://cds.cern.ch/search?f=author&p=Bosnar%2C%20D&ln=en">Bosnar, D</a> (Zagreb U., Phys. Dept.) ; <a href="https://cds.cern.ch/search?f=author&p=Brown%2C%20A&ln=en">Brown, A</a> (York U., England) ; <a href="https://cds.cern.ch/search?f=author&p=Busso%2C%20M&ln=en">Busso, M</a> (INFN, Perugia ; U. Perugia (main)) ; <a href="https://cds.cern.ch/search?f=author&p=Caama%C3%B1o%2C%20M&ln=en">Caamaño, M</a> (Santiago de Compostela U.) ; <a href="https://cds.cern.ch/search?f=author&p=Caballero%2C%20L&ln=en">Caballero, L</a> (Valencia U. ; Valencia U., IFIC) ; <a href="https://cds.cern.ch/search?f=author&p=Calvi%C3%B1o%2C%20F&ln=en">Calviño, F</a> (Barcelona, Polytechnic U.) ; <a href="https://cds.cern.ch/search?f=author&p=Calviani%2C%20M&ln=en">Calviani, M</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Cano-Ott%2C%20D&ln=en">Cano-Ott, D</a> (Madrid, CIEMAT) ; <a href="https://cds.cern.ch/search?f=author&p=Casanovas%2C%20A&ln=en">Casanovas, A</a> (Barcelona, Polytechnic U.) ; <a href="https://cds.cern.ch/search?f=author&p=Cerutti%2C%20F&ln=en">Cerutti, F</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Chen%2C%20Y%20H&ln=en">Chen, Y H</a> (Orsay, IPN) ; <a href="https://cds.cern.ch/search?f=author&p=Chiaveri%2C%20E&ln=en">Chiaveri, E</a> (CERN ; Manchester U. ; Seville U.) ; <a href="https://cds.cern.ch/search?f=author&p=Colonna%2C%20N&ln=en">Colonna, N</a> (INFN, Bari) ; <a href="https://cds.cern.ch/search?f=author&p=Cort%C3%A9s%2C%20G&ln=en">Cortés, G</a> (Barcelona, Polytechnic U.) ; <a href="https://cds.cern.ch/search?f=author&p=Cort%C3%A9s-Giraldo%2C%20M%20A&ln=en">Cortés-Giraldo, M A</a> (Seville U.) ; <a href="https://cds.cern.ch/search?f=author&p=Cosentino%2C%20L&ln=en">Cosentino, L</a> (INFN, Catania) ; <a href="https://cds.cern.ch/search?f=author&p=Damone%2C%20L%20A&ln=en">Damone, L A</a> (INFN, Bari ; Bari U.) ; <a href="https://cds.cern.ch/search?f=author&p=Diakaki%2C%20M&ln=en">Diakaki, M</a> (Natl. Tech. U., Athens ; CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Domingo-Pardo%2C%20C&ln=en">Domingo-Pardo, C</a> (Valencia U. ; Valencia U., IFIC) ; <a href="https://cds.cern.ch/search?f=author&p=Dressler%2C%20R&ln=en">Dressler, R</a> (PSI, Villigen) ; <a href="https://cds.cern.ch/search?f=author&p=Dupont%2C%20E&ln=en">Dupont, E</a> (IRFU, Saclay) ; <a href="https://cds.cern.ch/search?f=author&p=Dur%C3%A1n%2C%20I&ln=en">Durán, I</a> (Santiago de Compostela U.) ; <a href="https://cds.cern.ch/search?f=author&p=Eleme%2C%20Z&ln=en">Eleme, Z</a> (Ioannina U.) ; <a href="https://cds.cern.ch/search?f=author&p=Fern%C3%A1ndez-Dom%C3%ADnguez%2C%20B&ln=en">Fernández-Domínguez, B</a> (Santiago de Compostela U.) ; <a href="https://cds.cern.ch/search?f=author&p=Ferrari%2C%20A&ln=en">Ferrari, A</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Finocchiaro%2C%20P&ln=en">Finocchiaro, P</a> (INFN, Catania) ; <a href="https://cds.cern.ch/search?f=author&p=Furman%2C%20V&ln=en">Furman, V</a> (Unlisted) ; <a href="https://cds.cern.ch/search?f=author&p=G%C3%B6bel%2C%20K&ln=en">Göbel, K</a> (Frankfurt U., Inst. Kernphys.) ; <a href="https://cds.cern.ch/search?f=author&p=Gawlik-Rami%C4%99ga%2C%20A&ln=en">Gawlik-Ramięga, A</a> (Lodz U.) ; <a href="https://cds.cern.ch/search?f=author&p=Gilardoni%2C%20S&ln=en">Gilardoni, S</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Glodariu%2C%20T&ln=en">Glodariu, T</a> (Bucharest, IFIN-HH) ; <a href="https://cds.cern.ch/search?f=author&p=Gon%C3%A7alves%2C%20I%20F&ln=en">Gonçalves, I F</a> (Lisbon, IST) ; <a href="https://cds.cern.ch/search?f=author&p=Gonz%C3%A1lez-Romero%2C%20E&ln=en">González-Romero, E</a> (Madrid, CIEMAT) ; <a href="https://cds.cern.ch/search?f=author&p=Guerrero%2C%20C&ln=en">Guerrero, C</a> (Seville U.) ; <a href="https://cds.cern.ch/search?f=author&p=Gunsing%2C%20F&ln=en">Gunsing, F</a> (IRFU, Saclay) ; <a href="https://cds.cern.ch/search?f=author&p=Harada%2C%20H&ln=en">Harada, H</a> (JAEA, Ibaraki) ; <a href="https://cds.cern.ch/search?f=author&p=Heyse%2C%20J&ln=en">Heyse, J</a> (Geel, JRC) ; <a href="https://cds.cern.ch/search?f=author&p=Jenkins%2C%20D%20G&ln=en">Jenkins, D G</a> (York U., England) ; <a href="https://cds.cern.ch/search?f=author&p=Jericha%2C%20E&ln=en">Jericha, E</a> (Vienna, Tech. U., Atominst.) ; <a href="https://cds.cern.ch/search?f=author&p=K%C3%A4ppeler%2C%20F&ln=en">Käppeler, F</a> (KIT, Karlsruhe, IKP) ; <a href="https://cds.cern.ch/search?f=author&p=Kadi%2C%20Y&ln=en">Kadi, Y</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Kimura%2C%20A&ln=en">Kimura, A</a> (JAEA, Ibaraki) ; <a href="https://cds.cern.ch/search?f=author&p=Kivel%2C%20N&ln=en">Kivel, N</a> (PSI, Villigen) ; <a href="https://cds.cern.ch/search?f=author&p=Kokkoris%2C%20M&ln=en">Kokkoris, M</a> (Natl. Tech. U., Athens) ; <a href="https://cds.cern.ch/search?f=author&p=Kopatch%2C%20Y&ln=en">Kopatch, Y</a> (Unlisted) ; <a href="https://cds.cern.ch/search?f=author&p=Kurtulgil%2C%20D&ln=en">Kurtulgil, D</a> (Frankfurt U., Inst. Kernphys.) ; <a href="https://cds.cern.ch/search?f=author&p=Ladarescu%2C%20I&ln=en">Ladarescu, I</a> (Valencia U. ; Valencia U., IFIC) ; <a href="https://cds.cern.ch/search?f=author&p=Leeb%2C%20H&ln=en">Leeb, H</a> (Vienna, Tech. U., Atominst.) ; <a href="https://cds.cern.ch/search?f=author&p=Lerendegui-Marco%2C%20J&ln=en">Lerendegui-Marco, J</a> (Seville U.) ; <a href="https://cds.cern.ch/search?f=author&p=Meo%2C%20S%20%20Lo&ln=en">Meo, S Lo</a> (ENEA, Bologna ; INFN, Bologna) ; <a href="https://cds.cern.ch/search?f=author&p=Lonsdale%2C%20S%20J&ln=en">Lonsdale, S J</a> (Edinburgh U.) ; <a href="https://cds.cern.ch/search?f=author&p=Manna%2C%20A&ln=en">Manna, A</a> (INFN, Bologna ; U. Bologna, DIFA) ; <a href="https://cds.cern.ch/search?f=author&p=Mart%C3%ADnez%2C%20T&ln=en">Martínez, T</a> (Madrid, CIEMAT) ; <a href="https://cds.cern.ch/search?f=author&p=Masi%2C%20A&ln=en">Masi, A</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Massimi%2C%20C&ln=en">Massimi, C</a> (INFN, Bologna ; U. Bologna, DIFA) ; <a href="https://cds.cern.ch/search?f=author&p=Mastinu%2C%20P&ln=en">Mastinu, P</a> (INFN, Legnaro) ; <a href="https://cds.cern.ch/search?f=author&p=Mastromarco%2C%20M&ln=en">Mastromarco, M</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Matteucci%2C%20F&ln=en">Matteucci, F</a> (INFN, Trieste ; Trieste U.) ; <a href="https://cds.cern.ch/search?f=author&p=Maugeri%2C%20E%20A&ln=en">Maugeri, E A</a> (PSI, Villigen) ; <a href="https://cds.cern.ch/search?f=author&p=Mazzone%2C%20A&ln=en">Mazzone, A</a> (INFN, Bari ; CNR, INO, Pisa) ; <a href="https://cds.cern.ch/search?f=author&p=Mendoza%2C%20E&ln=en">Mendoza, E</a> (Madrid, CIEMAT) ; <a href="https://cds.cern.ch/search?f=author&p=Mengoni%2C%20A&ln=en">Mengoni, A</a> (ENEA, Bologna) ; <a href="https://cds.cern.ch/search?f=author&p=Michalopoulou%2C%20V&ln=en">Michalopoulou, V</a> (Natl. Tech. U., Athens) ; <a href="https://cds.cern.ch/search?f=author&p=Milazzo%2C%20P%20M&ln=en">Milazzo, P M</a> (INFN, Trieste) ; <a href="https://cds.cern.ch/search?f=author&p=St%20%20J%20%20Murphy%2C%20A&ln=en">St J Murphy, A</a> (Edinburgh U.) ; <a href="https://cds.cern.ch/search?f=author&p=Musumarra%2C%20A&ln=en">Musumarra, A</a> (INFN, Catania ; INFM, Catania) ; <a href="https://cds.cern.ch/search?f=author&p=Negret%2C%20A&ln=en">Negret, A</a> (Bucharest, IFIN-HH) ; <a href="https://cds.cern.ch/search?f=author&p=Nolte%2C%20R&ln=en">Nolte, R</a> (Braunschweig, Phys. Tech. Bund.) ; <a href="https://cds.cern.ch/search?f=author&p=Og%C3%A1llar%2C%20F&ln=en">Ogállar, F</a> (Granada U.) ; <a href="https://cds.cern.ch/search?f=author&p=Oprea%2C%20A&ln=en">Oprea, A</a> (Bucharest, IFIN-HH) ; <a href="https://cds.cern.ch/search?f=author&p=Patronis%2C%20N&ln=en">Patronis, N</a> (Ioannina U.) ; <a href="https://cds.cern.ch/search?f=author&p=Pavlik%2C%20A&ln=en">Pavlik, A</a> (Vienna U.) ; <a href="https://cds.cern.ch/search?f=author&p=Perkowski%2C%20J&ln=en">Perkowski, J</a> (Lodz U.) ; <a href="https://cds.cern.ch/search?f=author&p=Piersanti%2C%20L&ln=en">Piersanti, L</a> (INFN, Bari ; INFN, Perugia ; Cagliari Observ.) ; <a href="https://cds.cern.ch/search?f=author&p=Porras%2C%20I&ln=en">Porras, I</a> (Granada U.) ; <a href="https://cds.cern.ch/search?f=author&p=Praena%2C%20J&ln=en">Praena, J</a> (Granada U.) ; <a href="https://cds.cern.ch/search?f=author&p=Quesada%2C%20J%20M&ln=en">Quesada, J M</a> (Seville U.) ; <a href="https://cds.cern.ch/search?f=author&p=Radeck%2C%20D&ln=en">Radeck, D</a> (Braunschweig, Phys. Tech. Bund.) ; <a href="https://cds.cern.ch/search?f=author&p=Ramos-Doval%2C%20D&ln=en">Ramos-Doval, D</a> (Orsay, IPN) ; <a href="https://cds.cern.ch/search?f=author&p=Rauscher%2C%20T&ln=en">Rauscher, T</a> (Basel U. ; Hertfordshire U.) ; <a href="https://cds.cern.ch/search?f=author&p=Rochman%2C%20D&ln=en">Rochman, D</a> (PSI, Villigen) ; <a href="https://cds.cern.ch/search?f=author&p=Rubbia%2C%20C&ln=en">Rubbia, C</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Sabat%C3%A9-Gilarte%2C%20M&ln=en">Sabaté-Gilarte, M</a> (CERN ; Seville U.) ; <a href="https://cds.cern.ch/search?f=author&p=Saxena%2C%20A&ln=en">Saxena, A</a> (Bhabha Atomic Res. Ctr.) ; <a href="https://cds.cern.ch/search?f=author&p=Schillebeeckx%2C%20P&ln=en">Schillebeeckx, P</a> (Geel, JRC) ; <a href="https://cds.cern.ch/search?f=author&p=Schumann%2C%20D&ln=en">Schumann, D</a> (PSI, Villigen) ; <a href="https://cds.cern.ch/search?f=author&p=Smith%2C%20A%20G&ln=en">Smith, A G</a> (Manchester U.) ; <a href="https://cds.cern.ch/search?f=author&p=Stamatopoulos%2C%20A&ln=en">Stamatopoulos, A</a> (Natl. Tech. U., Athens) ; <a href="https://cds.cern.ch/search?f=author&p=Tagliente%2C%20G&ln=en">Tagliente, G</a> (INFN, Bari) ; <a href="https://cds.cern.ch/search?f=author&p=Tain%2C%20J%20L&ln=en">Tain, J L</a> (Valencia U. ; Valencia U., IFIC) ; <a href="https://cds.cern.ch/search?f=author&p=Talip%2C%20T&ln=en">Talip, T</a> (PSI, Villigen) ; <a href="https://cds.cern.ch/search?f=author&p=Tarife%C3%B1o-Saldivia%2C%20A&ln=en">Tarifeño-Saldivia, A</a> (Barcelona, Polytechnic U.) ; <a href="https://cds.cern.ch/search?f=author&p=Tassan-Got%2C%20L&ln=en">Tassan-Got, L</a> (CERN ; Natl. Tech. U., Athens ; Orsay, IPN) ; <a href="https://cds.cern.ch/search?f=author&p=Torres-S%C3%A1nchez%2C%20P&ln=en">Torres-Sánchez, P</a> (Granada U.) ; <a href="https://cds.cern.ch/search?f=author&p=Tsinganis%2C%20A&ln=en">Tsinganis, A</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Ulrich%2C%20J&ln=en">Ulrich, J</a> (PSI, Villigen) ; <a href="https://cds.cern.ch/search?f=author&p=Urlass%2C%20S&ln=en">Urlass, S</a> (CERN ; HZDR, Dresden) ; <a href="https://cds.cern.ch/search?f=author&p=Vannini%2C%20G&ln=en">Vannini, G</a> (INFN, Bologna ; U. Bologna, DIFA) ; <a href="https://cds.cern.ch/search?f=author&p=Variale%2C%20V&ln=en">Variale, V</a> (INFN, Bari) ; <a href="https://cds.cern.ch/search?f=author&p=Vaz%2C%20P&ln=en">Vaz, P</a> (Lisbon, IST) ; <a href="https://cds.cern.ch/search?f=author&p=Ventura%2C%20A&ln=en">Ventura, A</a> (INFN, Bologna) ; <a href="https://cds.cern.ch/search?f=author&p=Vlachoudis%2C%20V&ln=en">Vlachoudis, V</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Vlastou%2C%20R&ln=en">Vlastou, R</a> (Natl. Tech. U., Athens) ; <a href="https://cds.cern.ch/search?f=author&p=Wallner%2C%20A&ln=en">Wallner, A</a> (Australian Natl. U., Canberra) ; <a href="https://cds.cern.ch/search?f=author&p=Woods%2C%20P%20J&ln=en">Woods, P J</a> (Edinburgh U.) ; <a href="https://cds.cern.ch/search?f=author&p=Wright%2C%20T&ln=en">Wright, T</a> (Manchester U.) ; <a href="https://cds.cern.ch/search?f=author&p=%C5%BDugec%2C%20P&ln=en">Žugec, P</a> (Zagreb U., Phys. Dept.)</p> <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;">12</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1103/PhysRevC.110.065805"><i>Phys. Rev. C</i> 110 (2024) 065805</a> </a></td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1103/PhysRevC.110.065805" title="DOI" target="_blank">10.1103/PhysRevC.110.065805</a> (publication) <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">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%20PS&f=693__a">CERN PS</a> ; <a href="https://cds.cern.ch/search?p=nTOF&f=693__e">nTOF</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">The Se78(n,γ)Se79 cross section has a high impact on the abundances of Se78 produced during the slow neutron capture process (s process) in massive stars. A measurement of the Se78 radiative neutron capture cross section has been performed at the Neutron Time-of-Flight facility at CERN using a set of liquid scintillation detectors that have been optimized for a low sensitivity to neutrons. We present resonance capture kernels up to 70 keV and cross section from 70 to 600 keV. Maxwellian-averaged cross section (MACS) values were calculated for stellar temperatures between kT=5 and 100 keV, with uncertainties between 4.6% and 5.8%. The new MACS values result in substantial decreases of 20–30% of Se78 abundances produced in the s process in massive stars and AGB stars. Massive stars are now predicted to produce subsolar Se78/Se76 ratios, which is expected since Se76 is an s-only isotope, while solar Se78 abundances have also contributions from other nucleosynthesis processes.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;">publication: © 2024-2025 authors (License: <a href="https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>)</td></tr> </table> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2860783">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"> Record created 2025-02-26, last modified 2025-02-27</div></div> <div class="bottom-right-folded" style="text-align:right;padding-bottom:2px;"> <span class="moreinfo" style="margin-right:10px;"></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">Fulltext:</small> <br /><a href="/record/2925313/files/Publication.pdf"><img style="border:none" src="/img/file-icon-text-34x48.gif" alt="Download fulltext" /><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=en&recid=2925313">Add to personal basket</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2925313/export/hx?ln=en">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2925313/export/hm?ln=en">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2925313/export/xm?ln=en">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2925313/export/xd?ln=en">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2925313/export/xe?ln=en">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2925313/export/xn?ln=en">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2925313/export/xw?ln=en">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:2925313/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2925313', addEmail: true, title: "Measurement of the Se78(n,\u03b3)Se79 cross section\u00a0up to 600 keV at the n_TOF facility at CERN", description: "The Se78(n,\u03b3)Se79 cross section\u00a0has a high impact on the abundances of Se78 produced during the slow neutron capture process (s process) in massive stars. A measurement of the Se78 radiative neutron capture cross section\u00a0has been performed at the Neutron Time-of-Flight facility at CERN using a set of liquid scintillation detectors that have been optimized for a low sensitivity to neutrons. We present resonance capture kernels up to 70 keV and cross section\u00a0from 70 to 600 keV. Maxwellian-averaged cross section\u00a0(MACS) values were calculated for stellar temperatures between kT=5 and 100 keV, with uncertainties between 4.6% and 5.8%. The new MACS values result in substantial decreases of 20\u201330% of Se78 abundances produced in the s process in massive stars and AGB stars. Massive stars are now predicted to produce subsolar Se78/Se76 ratios, which is expected since Se76 is an s-only isotope, while solar Se78 abundances have also contributions from other nucleosynthesis processes." }); // ]]> </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=en">Search</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=en">Submit</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=en">Personalize</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=en">Help</a> :: <a class="footer" href="https://cern.service-now.com/service-portal?id=privacy_policy&se=CDS-Service" target="_blank">Privacy Notice</a> :: <a class="footer" href="https://repository.cern/content-policy" target="_blank">Content Policy</a> :: <a class="footer" href="https://repository.cern/terms" target="_blank">Terms and Conditions</a> <br /> Powered by <a class="footer" href="http://invenio-software.org/">Invenio</a> <br /> Maintained by <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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