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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="pt" xml:lang="pt" xmlns:og="http://ogp.me/ns#" xmlns:fb="http://ogp.me/ns/fb#"> <head> <title>$^{133}$In: A Rosetta Stone for decays of r-process nuclei - 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/2862580" /> <link rel="alternate" hreflang="el" href="https://cds.cern.ch/record/2862580?ln=el" /> <link rel="alternate" hreflang="fr" href="https://cds.cern.ch/record/2862580?ln=fr" /> <link rel="alternate" hreflang="bg" href="https://cds.cern.ch/record/2862580?ln=bg" /> <link rel="alternate" hreflang="zh-TW" href="https://cds.cern.ch/record/2862580?ln=zh_TW" /> <link rel="alternate" hreflang="pt" href="https://cds.cern.ch/record/2862580?ln=pt" /> <link rel="alternate" hreflang="no" href="https://cds.cern.ch/record/2862580?ln=no" /> <link rel="alternate" hreflang="hr" href="https://cds.cern.ch/record/2862580?ln=hr" /> <link rel="alternate" hreflang="ca" href="https://cds.cern.ch/record/2862580?ln=ca" /> <link rel="alternate" hreflang="de" href="https://cds.cern.ch/record/2862580?ln=de" /> <link rel="alternate" hreflang="it" href="https://cds.cern.ch/record/2862580?ln=it" /> <link rel="alternate" hreflang="zh-CN" href="https://cds.cern.ch/record/2862580?ln=zh_CN" /> <link rel="alternate" hreflang="sv" href="https://cds.cern.ch/record/2862580?ln=sv" /> <link rel="alternate" hreflang="sk" href="https://cds.cern.ch/record/2862580?ln=sk" /> <link rel="alternate" hreflang="en" href="https://cds.cern.ch/record/2862580?ln=en" /> <link rel="alternate" hreflang="pl" href="https://cds.cern.ch/record/2862580?ln=pl" /> <link rel="alternate" hreflang="ru" href="https://cds.cern.ch/record/2862580?ln=ru" /> <link rel="alternate" hreflang="ka" href="https://cds.cern.ch/record/2862580?ln=ka" /> <link rel="alternate" hreflang="ja" href="https://cds.cern.ch/record/2862580?ln=ja" /> <link rel="alternate" hreflang="es" href="https://cds.cern.ch/record/2862580?ln=es" /> <link rel="alternate" type="application/rss+xml" title="CERN Document Server RSS" href="/rss?ln=pt" /> <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="pt" /> <meta name="description" content="The <math display="inline"><mi>β</mi></math> decays from both the ground state and a long-lived isomer of <math display="inline"><mrow><mmultiscripts><mrow><mi>In</mi></mrow><mprescripts/><none/><mrow><mn>133</mn></mrow></mmultiscripts></mrow></math> were studied at the ISOLDE Decay Station (IDS). With a hybrid detection system sensitive to <math display="inline"><mi>β</mi></math>, <math display="inline"><mi>γ</mi></math>, and neutron spectroscopy, the comparative partial half-lives (<math display="inline"><mi>log</mi><mi>f</mi><mi>t</mi></math>) have been measured for all their dominant <math display="inline"><mi>β</mi></math>-decay channels for the first time, including a low-energy Gamow-Teller transition and several first-forbidden (FF) transitions. Uniquely for such a heavy neutron-rich nucleus, their <math display="inline"><mi>β</mi></math> decays selectively populate only a few isolated neutron unbound states in <math display="inline"><mrow><mmultiscripts><mrow><mi>Sn</mi></mrow><mprescripts/><none/><mrow><mn>133</mn></mrow></mmultiscripts></mrow></math>. Precise energy and branching-ratio measurements of those resonances allow us to benchmark <math display="inline"><mi>β</mi></math>-decay theories at an unprecedented level in this region of the nuclear chart. The results show good agreement with the newly developed large-scale shell model (LSSM) calculations. The experimental findings establish an archetype for the <math display="inline"><mi>β</mi></math> decay of neutron-rich nuclei southeast of <math display="inline"><mrow><mmultiscripts><mrow><mi>Sn</mi></mrow><mprescripts/><none/><mrow><mn>132</mn></mrow></mmultiscripts></mrow></math> and will serve as a guide for future theoretical development aiming to describe accurately the key <math display="inline"><mi>β</mi></math> decays in the rapid-neutron capture (<math display="inline"><mi>r</mi></math>-) process. The $\beta$ decays from both the ground state and a long-lived isomer of $^{133}$In were studied at the ISOLDE Decay Station (IDS). With a hybrid detection system sensitive to $\beta$, $\gamma$, and neutron spectroscopy, the comparative partial half-lives (logft) have been measured for all their dominant $\beta$-decay channels for the first time, including a low-energy Gamow-Teller transition and several First-Forbidden (FF) transitions. Uniquely for such a heavy neutron-rich nucleus, their $\beta$ decays selectively populate only a few isolated neutron unbound states in $^{133}$Sn. Precise energy and branching-ratio measurements of those resonances allow us to benchmark $\beta$-decay theories at an unprecedented level in this region of the nuclear chart. The results show good agreement with the newly developed large-scale shell model (LSSM) calculations. The experimental findings establish an archetype for the $\beta$ decay of neutron-rich nuclei southeast of $^{132}$Sn and will serve as a guide for future theoretical development aiming to describe accurately the key $\beta$ decays in the rapid-neutron capture (r-) process. Xu, Z.Y.; Madurga, M.; Grzywacz, R.; King, T.T.; Algora, A.; Andreyev, A.N.; Benito, J.; Berry, T.; Borge, M.J.G.; Costache, C.; De Witte, H.; Fijalkowska, A.; Fraile, L.M.; Fynbo, H.O.U.; Gottardo, A.; Halverson, C.; Harkness-Brennan, L.J.; Heideman, J.; Huyse, M.; Illana, A.; Janiak, Ł.; Judson, D.S.; Korgul, A.; Kurtukian-Nieto, T.; Lazarus, I.; Lică, R.; Lozeva, R.; Marginean, N.; Marginean, R.; Mazzocchi, C.; Mihai, C.; Mihai, R.E.; Morales, A.I.; Page, R.D.; Pakarinen, J.; Piersa-Siłkowska, M.; Podolyák, Zs.; Sarriguren, P.; Singh, M.; Sotty, Ch.; Stepaniuk, M.; Tengblad, O.; Turturica, A.; Van Duppen, P.; Vedia, V.; Viñals, S.; Warr, N.; Yokoyama, R.; Yuan, C.X." /> <meta name="keywords" content="CERN Document Server, WebSearch, CERN Document Server" /> <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="arXiv : $^{133}$In: A Rosetta Stone for decays of r-process nuclei" name="citation_title" /> <meta content="Xu, Z.Y." name="citation_author" /> <meta content="Costache, C." name="citation_author" /> <meta content="Turturica, A." name="citation_author" /> <meta content="Lozeva, R." name="citation_author" /> <meta content="Yuan, C.X." name="citation_author" /> <meta content="Judson, D.S." name="citation_author" /> <meta content="Kurtukian-Nieto, T." name="citation_author" /> <meta content="Algora, A." name="citation_author" /> <meta content="Fijalkowska, A." name="citation_author" /> <meta content="Page, R.D." name="citation_author" /> <meta content="Mihai, R.E." name="citation_author" /> <meta content="Marginean, R." name="citation_author" /> <meta content="Harkness-Brennan, L.J." name="citation_author" /> <meta content="Korgul, A." name="citation_author" /> <meta content="Warr, N." name="citation_author" /> <meta content="Heideman, J." name="citation_author" /> <meta content="Sotty, Ch." name="citation_author" /> <meta content="Pakarinen, J." name="citation_author" /> <meta content="Fynbo, H.O.U." name="citation_author" /> <meta content="Stepaniuk, M." name="citation_author" /> <meta content="Mihai, C." name="citation_author" /> <meta content="Mazzocchi, C." name="citation_author" /> <meta content="Tengblad, O." name="citation_author" /> <meta content="Madurga, M." name="citation_author" /> <meta content="Janiak, Ł." name="citation_author" /> <meta content="Piersa-Siłkowska, M." name="citation_author" /> <meta content="De Witte, H." name="citation_author" /> <meta content="Grzywacz, R." name="citation_author" /> <meta content="Halverson, C." name="citation_author" /> <meta content="Van Duppen, P." name="citation_author" /> <meta content="Podolyák, Zs." name="citation_author" /> <meta content="Illana, A." name="citation_author" /> <meta content="Andreyev, A.N." name="citation_author" /> <meta content="Yokoyama, R." name="citation_author" /> <meta content="Singh, M." name="citation_author" /> <meta content="Gottardo, A." name="citation_author" /> <meta content="Lică, R." name="citation_author" /> <meta content="Morales, A.I." name="citation_author" /> <meta content="Borge, M.J.G." name="citation_author" /> <meta content="Huyse, M." name="citation_author" /> <meta content="Marginean, N." name="citation_author" /> <meta content="Fraile, L.M." name="citation_author" /> <meta content="Benito, J." name="citation_author" /> <meta content="Lazarus, I." name="citation_author" /> <meta content="King, T.T." name="citation_author" /> <meta content="Vedia, V." name="citation_author" /> <meta content="Viñals, S." name="citation_author" /> <meta content="Sarriguren, P." name="citation_author" /> <meta content="Berry, T." name="citation_author" /> <meta content="10.1103/PhysRevLett.131.022501" name="citation_doi" /> <meta content="Phys. 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With a hybrid detection system sensitive to β, γ, and neutron spectroscopy, the comparative partial half-lives (logft) have been measured for all their dominant β-decay channels for the first time, including a low-energy Gamow-Teller transition and several first-forbidden (FF) transitions. Uniquely for such a heavy neutron-rich nucleus, their β decays selectively populate only a few isolated neutron unbound states in Sn133. Precise energy and branching-ratio measurements of those resonances allow us to benchmark β-decay theories at an unprecedented level in this region of the nuclear chart. The results show good agreement with the newly developed large-scale shell model (LSSM) calculations. 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Precise energy and branching-ratio measurements of those resonances allow us to benchmark $\beta$-decay theories at an unprecedented level in this region of the nuclear chart. The results show good agreement with the newly developed large-scale shell model (LSSM) calculations. 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Tennessee, Knoxville) ; <a href="https://cds.cern.ch/search?f=author&p=Madurga%2C%20M.&ln=pt">Madurga, M.</a> (U. Tennessee, Knoxville) ; <a href="https://cds.cern.ch/search?f=author&p=Grzywacz%2C%20R.&ln=pt">Grzywacz, R.</a> (U. Tennessee, Knoxville ; Oak Ridge) ; <a href="https://cds.cern.ch/search?f=author&p=King%2C%20T.T.&ln=pt">King, T.T.</a> (U. Tennessee, Knoxville ; Oak Ridge) ; <a href="https://cds.cern.ch/search?f=author&p=Algora%2C%20A.&ln=pt">Algora, A.</a> (Valencia U., IFIC ; Debrecen, Inst. Nucl. Res.) ; <a href="https://cds.cern.ch/search?f=author&p=Andreyev%2C%20A.N.&ln=pt">Andreyev, A.N.</a> (York U., England ; JAERI, Tokai) ; <a href="https://cds.cern.ch/search?f=author&p=Benito%2C%20J.&ln=pt">Benito, J.</a> (Madrid U.) ; <a href="https://cds.cern.ch/search?f=author&p=Berry%2C%20T.&ln=pt">Berry, T.</a> (Surrey U.) ; <a href="https://cds.cern.ch/search?f=author&p=Borge%2C%20M.J.G.&ln=pt">Borge, M.J.G.</a> (CSIC, Madrid) ; <a href="https://cds.cern.ch/search?f=author&p=Costache%2C%20C.&ln=pt">Costache, C.</a> (Bucharest, IFIN-HH ; Leuven U.)<span id="more" style=""> ; <a href="https://cds.cern.ch/search?f=author&p=De%20Witte%2C%20H.&ln=pt">De Witte, H.</a> (Leuven U.) ; <a href="https://cds.cern.ch/search?f=author&p=Fijalkowska%2C%20A.&ln=pt">Fijalkowska, A.</a> (Rutgers U., Piscataway ; Warsaw U.) ; <a href="https://cds.cern.ch/search?f=author&p=Fraile%2C%20L.M.&ln=pt">Fraile, L.M.</a> (Madrid U.) ; <a href="https://cds.cern.ch/search?f=author&p=Fynbo%2C%20H.O.U.&ln=pt">Fynbo, H.O.U.</a> (Aarhus U.) ; <a href="https://cds.cern.ch/search?f=author&p=Gottardo%2C%20A.&ln=pt">Gottardo, A.</a> (Orsay, IPN) ; <a href="https://cds.cern.ch/search?f=author&p=Halverson%2C%20C.&ln=pt">Halverson, C.</a> (U. Tennessee, Knoxville) ; <a href="https://cds.cern.ch/search?f=author&p=Harkness-Brennan%2C%20L.J.&ln=pt">Harkness-Brennan, L.J.</a> ; <a href="https://cds.cern.ch/search?f=author&p=Heideman%2C%20J.&ln=pt">Heideman, J.</a> (U. 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Tennessee, Knoxville) ; <a href="https://cds.cern.ch/search?f=author&p=Sotty%2C%20Ch.&ln=pt">Sotty, Ch.</a> (Bucharest, IFIN-HH ; Leuven U.) ; <a href="https://cds.cern.ch/search?f=author&p=Stepaniuk%2C%20M.&ln=pt">Stepaniuk, M.</a> (Warsaw U.) ; <a href="https://cds.cern.ch/search?f=author&p=Tengblad%2C%20O.&ln=pt">Tengblad, O.</a> (CSIC, Madrid) ; <a href="https://cds.cern.ch/search?f=author&p=Turturica%2C%20A.&ln=pt">Turturica, A.</a> (Bucharest, IFIN-HH ; Leuven U.) ; <a href="https://cds.cern.ch/search?f=author&p=Van%20Duppen%2C%20P.&ln=pt">Van Duppen, P.</a> (Leuven U.) ; <a href="https://cds.cern.ch/search?f=author&p=Vedia%2C%20V.&ln=pt">Vedia, V.</a> (Madrid U.) ; <a href="https://cds.cern.ch/search?f=author&p=Vi%C3%B1als%2C%20S.&ln=pt">Viñals, S.</a> (CSIC, Madrid) ; <a href="https://cds.cern.ch/search?f=author&p=Warr%2C%20N.&ln=pt">Warr, N.</a> (Cologne U.) ; <a href="https://cds.cern.ch/search?f=author&p=Yokoyama%2C%20R.&ln=pt">Yokoyama, R.</a> (U. Tennessee, Knoxville) ; <a href="https://cds.cern.ch/search?f=author&p=Yuan%2C%20C.X.&ln=pt">Yuan, C.X.</a> (SYSU, Guangzhou)</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;">2023-07-14</td></tr> <tr><td class="formatRecordLabel"> Imprint </td><td style="padding-left:5px;">2023-06-02</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">8</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1103/PhysRevLett.131.022501"><i>Phys. Rev. Lett.</i> 131 (2023) 022501</a> </a></td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1103/PhysRevLett.131.022501" title="DOI" target="_blank">10.1103/PhysRevLett.131.022501</a> (publication) <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">nucl-th ; Nuclear Physics - Theory ; nucl-ex ; 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%20ISOLDE&f=693__a">CERN ISOLDE</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">The $\beta$ decays from both the ground state and a long-lived isomer of $^{133}$In were studied at the ISOLDE Decay Station (IDS). With a hybrid detection system sensitive to $\beta$, $\gamma$, and neutron spectroscopy, the comparative partial half-lives (logft) have been measured for all their dominant $\beta$-decay channels for the first time, including a low-energy Gamow-Teller transition and several First-Forbidden (FF) transitions. Uniquely for such a heavy neutron-rich nucleus, their $\beta$ decays selectively populate only a few isolated neutron unbound states in $^{133}$Sn. Precise energy and branching-ratio measurements of those resonances allow us to benchmark $\beta$-decay theories at an unprecedented level in this region of the nuclear chart. The results show good agreement with the newly developed large-scale shell model (LSSM) calculations. The experimental findings establish an archetype for the $\beta$ decay of neutron-rich nuclei southeast of $^{132}$Sn and will serve as a guide for future theoretical development aiming to describe accurately the key $\beta$ decays in the rapid-neutron capture (r-) process.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;">publication: © 2023-2024 authors (License: <a href="https://creativecommons.org/licenses/by/4.0/">CC-BY-4.0</a>)<br/>preprint: (License: <a href="http://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>)</td></tr> </table> <br /><div style="max-width:1024px;margin:auto"><div style="overflow-x:auto;display:inline;width:100%;"><a href="/record/2862580/plots#0"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2862580/files/nchart_wide.png" title=" (Top) Chart of nuclei centered on $^{133}$In (red star). The label $\hbar\omega$ refers to the harmonic-oscillator shells around $^{132}$Sn. The $r$-process path is taken from Ref.\ \cite{skynet}. (Bottom) Proton and neutron single-particle ($\ssp$) diagram with dominant $\beta$-decay channels in $^{133g}$In and $^{133m}$In. Red and gray arrows represent GT and FF transitions respectively." width="200px"/></a> <a href="/record/2862580/plots#1"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2862580/files/nTOFSpectrum.png" title=" Neutron TOF spectra taken in coincidence with the $^{133}$In $\beta$ decays, with (a) corresponding to the pure ground-state decay and (b) to an admixture of ground-state (40\%) and isomeric decays (60\%). The inset (c) shows the ground-state spectrum in coincidence with the 4041-keV $\gamma$ decay in $^{132}$Sn. On top of the background (dashed line), the spectra are fitted by the neutron response functions (magenta) consisting of 18 (blue) and 13 (red) peaks in the ground-state and isomeric decays, respectively." width="200px"/></a> <a href="/record/2862580/plots#2"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2862580/files/SumBGT_LSFnew2.png" title=" Comparisons of excitation energy and decay strength between LSSM and experimental data. Figures (a)-(d) show the results of four individual transitions populating the $\nu$2p-1h states. Figures (e) and (f) present cumulative strength distribution up to $E_{ex}=11$ MeV for $^{133g,m}$In, respectively. The calculation only includes the results from N$^3$LO because of its better agreement in the GT strength. The theoretical FF contribution is drawn explicitly in dashed lines." width="200px"/></a> <a href='/record/2862580/plots'>Show more plots</a></div></div><br /> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2665708">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 2023-06-22, last modified 2024-05-08</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=pt&p=recid%3A2862580&rm=wrd" class="moreinfo">Registos similares</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">Fulltext:</small> <br /><em>Publication</em> - <a href="/record/2862580/files/Publication.pdf"><img style="border:none" src="/img/file-icon-text-12x16.gif" alt="Download fulltext"/>PDF</a><br /><em>2306.01842</em> - <a href="/record/2862580/files/2306.01842.pdf"><img style="border:none" src="/img/file-icon-text-12x16.gif" alt="Download fulltext"/>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=pt&recid=2862580">Add to personal basket</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2862580/export/hx?ln=pt">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2862580/export/hm?ln=pt">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2862580/export/xm?ln=pt">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2862580/export/xd?ln=pt">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2862580/export/xe?ln=pt">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2862580/export/xn?ln=pt">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2862580/export/xw?ln=pt">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/2306.0184/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2862580', addEmail: true, title: "$^{133}$In: A Rosetta Stone for decays of r-process nuclei", description: "The <math display=\"inline\"><mi>\u03b2</mi></math> decays from both the ground state and a long-lived isomer of <math display=\"inline\"><mrow><mmultiscripts><mrow><mi>In</mi></mrow><mprescripts/><none/><mrow><mn>133</mn></mrow></mmultiscripts></mrow></math> were studied at the ISOLDE Decay Station (IDS). With a hybrid detection system sensitive to <math display=\"inline\"><mi>\u03b2</mi></math>, <math display=\"inline\"><mi>\u03b3</mi></math>, and neutron spectroscopy, the comparative partial half-lives (<math display=\"inline\"><mi>log</mi><mi>f</mi><mi>t</mi></math>) have been measured for all their dominant <math display=\"inline\"><mi>\u03b2</mi></math>-decay channels for the first time, including a low-energy Gamow-Teller transition and several first-forbidden (FF) transitions. Uniquely for such a heavy neutron-rich nucleus, their <math display=\"inline\"><mi>\u03b2</mi></math> decays selectively populate only a few isolated neutron unbound states in <math display=\"inline\"><mrow><mmultiscripts><mrow><mi>Sn</mi></mrow><mprescripts/><none/><mrow><mn>133</mn></mrow></mmultiscripts></mrow></math>. Precise energy and branching-ratio measurements of those resonances allow us to benchmark <math display=\"inline\"><mi>\u03b2</mi></math>-decay theories at an unprecedented level in this region of the nuclear chart. The results show good agreement with the newly developed large-scale shell model (LSSM) calculations. The experimental findings establish an archetype for the <math display=\"inline\"><mi>\u03b2</mi></math> decay of neutron-rich nuclei southeast of <math display=\"inline\"><mrow><mmultiscripts><mrow><mi>Sn</mi></mrow><mprescripts/><none/><mrow><mn>132</mn></mrow></mmultiscripts></mrow></math> and will serve as a guide for future theoretical development aiming to describe accurately the key <math display=\"inline\"><mi>\u03b2</mi></math> decays in the rapid-neutron capture (<math display=\"inline\"><mi>r</mi></math>-) process." }); // ]]> </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=pt">Pesquisar</a> :: <a class="footer" href="https://cds.cern.ch/submit?ln=pt">Submeter</a> :: <a class="footer" href="https://cds.cern.ch/youraccount/display?ln=pt">Personalizar</a> :: <a class="footer" href="https://cds.cern.ch/help/?ln=pt">Ajuda</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 /> Mantido por <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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