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Precision Measurement of Reactor Antineutrino Oscillation at Kilometer-Scale Baselines by Daya Bay - CERN Document Server
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <!--[if IEMobile 7]><html class="iem7" 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#"><![endif]--> <!--[if lte IE 6]><html class="ie6 ie6-7 ie6-8" 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#"><![endif]--> <!--[if (IE 7)&(!IEMobile)]><html class="ie7 ie6-7 ie6-8" 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#"><![endif]--> <!--[if IE 8]><html class="ie8 ie6-8" 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#"><![endif]--> <!--[if (gte IE 9)|(gt IEMobile 7)]><!--><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#"><!--<![endif]--> <head> <title>Precision Measurement of Reactor Antineutrino Oscillation at Kilometer-Scale Baselines by Daya Bay - 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" /> <!--[if lt IE 8]> <link href="https://cds.cern.ch/img/cern_toolbar/css/toolbar-ie.css" rel="stylesheet" type="text/css"> <![endif]--> <!--[if lt IE 8]> <link rel="stylesheet" type="text/css" href="https://cds.cern.ch/img/invenio-ie7.css" /> <![endif]--> <!--[if gt IE 8]> <style type="text/css">div.restrictedflag {filter:none;}</style> <![endif]--> <link rel="canonical" href="https://cds.cern.ch/record/2856837" /> <link rel="alternate" hreflang="el" href="https://cds.cern.ch/record/2856837?ln=el" /> <link rel="alternate" hreflang="fr" href="https://cds.cern.ch/record/2856837?ln=fr" /> <link rel="alternate" hreflang="bg" href="https://cds.cern.ch/record/2856837?ln=bg" /> <link rel="alternate" hreflang="zh-TW" href="https://cds.cern.ch/record/2856837?ln=zh_TW" /> <link rel="alternate" hreflang="pt" href="https://cds.cern.ch/record/2856837?ln=pt" /> <link rel="alternate" hreflang="no" href="https://cds.cern.ch/record/2856837?ln=no" /> <link rel="alternate" hreflang="hr" href="https://cds.cern.ch/record/2856837?ln=hr" /> <link rel="alternate" hreflang="ca" href="https://cds.cern.ch/record/2856837?ln=ca" /> <link rel="alternate" hreflang="de" href="https://cds.cern.ch/record/2856837?ln=de" /> <link rel="alternate" hreflang="it" href="https://cds.cern.ch/record/2856837?ln=it" /> <link rel="alternate" hreflang="zh-CN" href="https://cds.cern.ch/record/2856837?ln=zh_CN" /> <link rel="alternate" hreflang="sv" href="https://cds.cern.ch/record/2856837?ln=sv" /> <link rel="alternate" hreflang="sk" href="https://cds.cern.ch/record/2856837?ln=sk" /> <link rel="alternate" hreflang="en" href="https://cds.cern.ch/record/2856837?ln=en" /> <link rel="alternate" hreflang="pl" href="https://cds.cern.ch/record/2856837?ln=pl" /> <link rel="alternate" hreflang="ru" href="https://cds.cern.ch/record/2856837?ln=ru" /> <link rel="alternate" hreflang="ka" href="https://cds.cern.ch/record/2856837?ln=ka" /> <link rel="alternate" hreflang="ja" href="https://cds.cern.ch/record/2856837?ln=ja" /> <link rel="alternate" hreflang="es" href="https://cds.cern.ch/record/2856837?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="We present a new determination of the smallest neutrino mixing angle <math display="inline"><msub><mi>θ</mi><mn>13</mn></msub></math> and the mass-squared difference <math display="inline"><mi mathvariant="normal">Δ</mi><msubsup><mi>m</mi><mn>32</mn><mn>2</mn></msubsup></math> using a final sample of <math display="inline"><mn>5.55</mn><mo>×</mo><msup><mn>10</mn><mn>6</mn></msup></math> inverse beta-decay (IBD) candidates with the final-state neutron captured on gadolinium. This sample is selected from the complete dataset obtained by the Daya Bay reactor neutrino experiment in 3158 days of operation. Compared to the previous Daya Bay results, selection of IBD candidates has been optimized, energy calibration refined, and treatment of backgrounds further improved. The resulting oscillation parameters are <math display="inline"><mrow><msup><mrow><mi>sin</mi></mrow><mrow><mn>2</mn></mrow></msup><mn>2</mn><msub><mrow><mi>θ</mi></mrow><mrow><mn>13</mn></mrow></msub><mo>=</mo><mn>0.0851</mn><mo>±</mo><mn>0.0024</mn></mrow></math>, <math display="inline"><mrow><mi mathvariant="normal">Δ</mi><msubsup><mrow><mi>m</mi></mrow><mrow><mn>32</mn></mrow><mrow><mn>2</mn></mrow></msubsup><mo>=</mo><mo stretchy="false">(</mo><mn>2.466</mn><mo>±</mo><mn>0.060</mn><mo stretchy="false">)</mo><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>-</mo><mn>3</mn></mrow></msup><mtext> </mtext><mtext> </mtext><msup><mrow><mi>eV</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></math> for the normal mass ordering or <math display="inline"><mrow><mi mathvariant="normal">Δ</mi><msubsup><mrow><mi>m</mi></mrow><mrow><mn>32</mn></mrow><mrow><mn>2</mn></mrow></msubsup><mo>=</mo><mo>-</mo><mo stretchy="false">(</mo><mn>2.571</mn><mo>±</mo><mn>0.060</mn><mo stretchy="false">)</mo><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>-</mo><mn>3</mn></mrow></msup><mtext> </mtext><mtext> </mtext><msup><mrow><mi>eV</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></math> for the inverted mass ordering. We present a new determination of the smallest neutrino mixing angle ${\theta}_{13}$ and the mass-squared difference ${\Delta}{\rm m}^{2}_{32}$ using a final sample of $5.55 \times 10^{6}$ inverse beta-decay (IBD) candidates with the final-state neutron captured on gadolinium. This sample was selected from the complete data set obtained by the Daya Bay reactor neutrino experiment in 3158 days of operation. Compared to the previous Daya Bay results, selection of IBD candidates has been optimized, energy calibration refined, and treatment of backgrounds further improved. The resulting oscillation parameters are ${\rm sin}^{2}2{\theta}_{13} = 0.0851 \pm 0.0024$, ${\Delta}{\rm m}^{2}_{32} = (2.466 \pm 0.060) \times 10^{-3}{\rm eV}^{2}$ for the normal mass ordering or ${\Delta}{\rm m}^{2}_{32} = -(2.571 \pm 0.060) \times 10^{-3} {\rm eV}^{2}$ for the inverted mass ordering. An, F.P.; Bai, W.D.; Balantekin, A.B.; Bishai, M.; Blyth, S.; Cao, G.F.; Cao, J.; Chang, J.F.; Chang, Y.; Chen, H.S.; Chen, H.Y.; Chen, S.M.; Chen, Y.; Chen, Y.X.; Chen, Z.Y.; Cheng, J.; Cheng, Z.K.; Cherwinka, J.J.; Chu, M.C.; Cummings, J.P.; Dalager, O.; Deng, F.S.; Ding, Y.Y.; Ding, X.Y.; Diwan, M.V.; Dohnal, T.; Dolzhikov, D.; Dove, J.; Duyang, H.Y.; Dwyer, D.A.; Gallo, J.P.; Gonchar, M.; Gong, G.H.; Gong, H.; Gu, W.Q.; Guo, J.Y.; Guo, L.; Guo, X.H.; Guo, Y.H.; Guo, Z.; Hackenburg, R.W.; Han, Y.; Hans, S.; He, M.; Heeger, K.M.; Heng, Y.K.; Hor, Y.K.; Hsiung, Y.B.; Hu, B.Z.; Hu, J.R.; Hu, T.; Hu, Z.J.; Huang, H.X.; Huang, J.H.; Huang, X.T.; Huang, Y.B.; Huber, P.; Jaffe, D.E.; Jen, K.L.; Ji, X.L.; Ji, X.P.; Johnson, R.A.; Jones, D.; Kang, L.; Kettell, S.H.; Kohn, S.; Kramer, M.; Langford, T.J.; Lee, J.; Lee, J.H.C.; Lei, R.T.; Leitner, R.; Leung, J.K.C.; Li, F.; Li, H.L.; Li, J.J.; Li, Q.J.; Li, R.H.; Li, S.; Li, S.C.; Li, W.D.; Li, X.N.; Li, X.Q.; Li, Y.F.; Li, Z.B.; Liang, H.; Lin, C.J.; Lin, G.L.; Lin, S.; Ling, J.J.; Link, J.M.; Littenberg, L.; Littlejohn, B.R.; Liu, J.C.; Liu, J.L.; Liu, J.X.; Lu, C.; Lu, H.Q.; Luk, K.B.; Ma, B.Z.; Ma, X.B.; Ma, X.Y.; Ma, Y.Q.; Mandujano, R.C.; Marshall, C.; McDonald, K.T.; McKeown, R.D.; Meng, Y.; Napolitano, J.; Naumov, D.; Naumova, E.; Nguyen, T.M.T.; Ochoa-Ricoux, J.P.; Olshevskiy, A.; Pan, H.-R.; Park, J.; Patton, S.; Peng, J.C.; Pun, C.S.J.; Qi, F.Z.; Qi, M.; Qian, X.; Raper, N.; Ren, J.; Reveco, C. Morales; Rosero, R.; Roskovec, B.; Ruan, X.C.; Russell, B.; Steiner, H.; Sun, J.L.; Tmej, T.; Treskov, K.; Tse, W.-H.; Tull, C.E.; Viren, B.; Vorobel, V.; Wang, C.H.; Wang, J.; Wang, M.; Wang, N.Y.; Wang, R.G.; Wang, W.; Wang, X.; Wang, Y.; Wang, Y.F.; Wang, Z.; Wang, Z.; Wei, H.Y.; Wei, L.H.; Wei, W.; Wen, L.J.; Whisnant, K.; White, C.G.; Wong, H.L.H.; Worcester, E.; Wu, D.R.; Wu, Q.; Wu, W.J.; Xia, D.M.; Xie, Z.Q.; Xing, Z.Z.; Xu, H.K.; Xu, J.L.; Xu, T.; Xue, T.; Yang, C.G.; Yang, L.; Yang, Y.Z.; Yao, H.F.; Ye, M.; Yeh, M.; Young, B.L.; Yu, H.Z.; Yu, Z.Y.; Yue, B.B.; Zavadskyi, V.; Zeng, S.; Zeng, Y.; Zhan, L.; Zhang, C.; Zhang, F.Y.; Zhang, H.H.; Zhang, J.L.; Zhang, J.W.; Zhang, Q.M.; Zhang, S.Q.; Zhang, X.T.; Zhang, Y.M.; Zhang, Y.X.; Zhang, Y.Y.; Zhang, Z.J.; Zhang, Z.P.; Zhang, Z.Y.; Zhao, J.; Zhao, R.Z.; Zhou, L.; Zhuang, H.L.; Zou, J.H." /> <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> <!-- WebNews CSS library --> <link rel="stylesheet" href="https://cds.cern.ch/img/webnews.css" type="text/css" /> <!-- WebNews JS library --> <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> <!-- GoogleScholar --> <meta content="APS : Precision Measurement of Reactor Antineutrino Oscillation at Kilometer-Scale Baselines by Daya Bay" name="citation_title" /> <meta content="An, F.P." name="citation_author" /> <meta content="Zhang, X.T." name="citation_author" /> <meta content="Xu, H.K." name="citation_author" /> <meta content="Zhang, Z.J." name="citation_author" /> <meta content="Zhang, Z.P." name="citation_author" /> <meta content="Sun, J.L." name="citation_author" /> <meta content="White, C.G." name="citation_author" /> <meta content="Hu, B.Z." name="citation_author" /> <meta content="Vorobel, V." name="citation_author" /> <meta content="Li, Y.F." name="citation_author" /> <meta content="Ye, M." name="citation_author" /> <meta content="Li, S." name="citation_author" /> <meta content="Zhou, L." name="citation_author" /> <meta content="Guo, X.H." name="citation_author" /> <meta content="Zhang, S.Q." name="citation_author" /> <meta content="Wang, Y." name="citation_author" /> <meta content="Link, J.M." name="citation_author" /> <meta content="Zhang, F.Y." name="citation_author" /> <meta content="Hu, J.R." name="citation_author" /> <meta content="Zhang, J.W." name="citation_author" /> <meta content="Ding, Y.Y." name="citation_author" /> <meta content="Zhuang, H.L." name="citation_author" /> <meta content="Zhan, L." name="citation_author" /> <meta content="Johnson, R.A." name="citation_author" /> <meta content="Zeng, Y." name="citation_author" /> <meta content="Cao, J." name="citation_author" /> <meta content="Zhao, J." name="citation_author" /> <meta content="Li, R.H." name="citation_author" /> <meta content="Liu, J.C." name="citation_author" /> <meta content="Gong, H." name="citation_author" /> <meta content="Zavadskyi, V." name="citation_author" /> <meta content="Deng, F.S." name="citation_author" /> <meta content="Zhang, J.L." name="citation_author" /> <meta content="Lee, J.H.C." name="citation_author" /> <meta content="Yang, C.G." name="citation_author" /> <meta content="Dove, J." name="citation_author" /> <meta content="Wang, W." name="citation_author" /> <meta content="Liu, J.X." name="citation_author" /> <meta content="Reveco, C. 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Lett." name="citation_journal_title" /> <meta content="130" name="citation_volume" /> <meta content="161802" name="citation_firstpage" /> <meta content="2022/11/27" name="citation_publication_date" /> <meta name="citation_online_date" content="2023/04/25"> <meta content="arXiv:2211.14988" name="citation_technical_report_number" /> <meta content="10.1103/PhysRevLett.130.161802" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2856837/files/2211.14988.pdf" /> <!-- OpenGraph --> <meta content="Precision Measurement of Reactor Antineutrino Oscillation at Kilometer-Scale Baselines by Daya Bay" property="og:title" /> <meta content="APS" property="og:title" /> <meta content="website" property="og:type" /> <meta content="https://cds.cern.ch/record/2856837" property="og:url" /> <meta name="twitter:image" content="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH2_overE_nolegend.png" /> <meta property="og:image" content="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH2_overE_nolegend.png" /> <meta property="og:image:secure_url" content="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH2_overE_nolegend.png" /> <meta property="og:image" content="https://cds.cern.ch/record/2856837/files/Contour2D_deltaMee.png" /> <meta property="og:image:secure_url" content="https://cds.cern.ch/record/2856837/files/Contour2D_deltaMee.png" /> <meta property="og:image" content="https://cds.cern.ch/record/2856837/files/LoE_nuAvg_SYSU_iwsCut.png" /> <meta property="og:image:secure_url" content="https://cds.cern.ch/record/2856837/files/LoE_nuAvg_SYSU_iwsCut.png" /> <meta property="og:image" content="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH1_overE.png" /> <meta property="og:image:secure_url" content="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH1_overE.png" /> <meta property="og:image" content="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH3_overE_nolegend.png" /> <meta property="og:image:secure_url" content="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH3_overE_nolegend.png" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="APS" property="og:description" /> <meta content="arXiv" property="og:description" /> <meta content="We present a new determination of the smallest neutrino mixing angle ${\theta}_{13}$ and the mass-squared difference ${\Delta}{\rm m}^{2}_{32}$ using a final sample of $5.55 \times 10^{6}$ inverse beta-decay (IBD) candidates with the final-state neutron captured on gadolinium. This sample was selected from the complete data set obtained by the Daya Bay reactor neutrino experiment in 3158 days of operation. Compared to the previous Daya Bay results, selection of IBD candidates has been optimized, energy calibration refined, and treatment of backgrounds further improved. The resulting oscillation parameters are ${\rm sin}^{2}2{\theta}_{13} = 0.0851 \pm 0.0024$, ${\Delta}{\rm m}^{2}_{32} = (2.466 \pm 0.060) \times 10^{-3}{\rm eV}^{2}$ for the normal mass ordering or ${\Delta}{\rm m}^{2}_{32} = -(2.571 \pm 0.060) \times 10^{-3} {\rm eV}^{2}$ for the inverted mass ordering." property="og:description" /> <meta content="We present a new determination of the smallest neutrino mixing angle θ13 and the mass-squared difference Δm322 using a final sample of 5.55×106 inverse beta-decay (IBD) candidates with the final-state neutron captured on gadolinium. This sample is selected from the complete dataset obtained by the Daya Bay reactor neutrino experiment in 3158 days of operation. Compared to the previous Daya Bay results, selection of IBD candidates has been optimized, energy calibration refined, and treatment of backgrounds further improved. The resulting oscillation parameters are sin22θ13=0.0851±0.0024, Δm322=(2.466±0.060)×10-3 eV2 for the normal mass ordering or Δm322=-(2.571±0.060)×10-3 eV2 for the inverted mass ordering." property="og:description" /> <!-- Twitter Card --> <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="CERN32Document32Server search" lang="en"> <!-- toolbar starts --> <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/2856837" 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> <!-- toolbar ends --> <!-- Nav header starts--> <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><!-- /#name-and-slogan --> <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> <!-- Nav header ends--> <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=en" class="navtrail">Home</a> > Precision Measurement of Reactor Antineutrino Oscillation at Kilometer-Scale Baselines by Daya Bay </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/2856837/?ln=en">Information </a></li><li class=""><a href="/record/2856837/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"> <!--<div style="height:0.1em;"> </div> <p class="notopgap"> </p>--> <abbr class="unapi-id" title="2856837"></abbr> <style type="text/css"> <!-- ul.detailedrecordtabs li.on a{background-color:#4D94CC;color:#fff !important;border-bottom:1px solid #4D94CC!important;} div.detailedrecordboxcontent {padding-top:0px !important;} --> </style> <table class="formatRecordTableFullWidth" > <tr> <td class="formatRecordHeader" style="background-image: url('https://cds.cern.ch/img/journals.jpg');" colspan="2"> <!--YTD: record may have more than one 690C.a tag--> 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"> Report number </td><td style="padding-left:5px;"><a href="http://arxiv.org/abs/arXiv:2211.14988">arXiv:2211.14988</a></td></tr> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>Precision Measurement of Reactor Antineutrino Oscillation at Kilometer-Scale Baselines by Daya Bay</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 199 authors" } link.style.color = "rgb(204,0,0);" } function set_up(){ var extension = document.getElementById('extension'); extension.innerHTML = "Daya Bay Collaboration "; toggle_authors_visibility(); } </script> <a name="show_hide" /><p id="more" style=""><a href="https://cds.cern.ch/search?f=author&p=An%2C%20F.P.&ln=en">An, F.P.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Bai%2C%20W.D.&ln=en">Bai, W.D.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Balantekin%2C%20A.B.&ln=en">Balantekin, A.B.</a> (Wisconsin U., Madison) ; <a href="https://cds.cern.ch/search?f=author&p=Bishai%2C%20M.&ln=en">Bishai, M.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Blyth%2C%20S.&ln=en">Blyth, S.</a> (Taiwan, Natl. Taiwan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Cao%2C%20G.F.&ln=en">Cao, G.F.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Cao%2C%20J.&ln=en">Cao, J.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Chang%2C%20J.F.&ln=en">Chang, J.F.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Chang%2C%20Y.&ln=en">Chang, Y.</a> (Natl. United U., Taiwan) ; <a href="https://cds.cern.ch/search?f=author&p=Chen%2C%20H.S.&ln=en">Chen, H.S.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Chen%2C%20H.Y.&ln=en">Chen, H.Y.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Chen%2C%20S.M.&ln=en">Chen, S.M.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Chen%2C%20Y.&ln=en">Chen, Y.</a> (Zhongshan U. ; Shenzhen U.) ; <a href="https://cds.cern.ch/search?f=author&p=Chen%2C%20Y.X.&ln=en">Chen, Y.X.</a> (North China Electric Power U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Chen%2C%20Z.Y.&ln=en">Chen, Z.Y.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Cheng%2C%20J.&ln=en">Cheng, J.</a> (North China Electric Power U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Cheng%2C%20Z.K.&ln=en">Cheng, Z.K.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Cherwinka%2C%20J.J.&ln=en">Cherwinka, J.J.</a> (Wisconsin U., Madison) ; <a href="https://cds.cern.ch/search?f=author&p=Chu%2C%20M.C.&ln=en">Chu, M.C.</a> (Hong Kong, Chinese U.) ; <a href="https://cds.cern.ch/search?f=author&p=Cummings%2C%20J.P.&ln=en">Cummings, J.P.</a> (Siena Coll., Loudonville) ; <a href="https://cds.cern.ch/search?f=author&p=Dalager%2C%20O.&ln=en">Dalager, O.</a> (UC, Irvine) ; <a href="https://cds.cern.ch/search?f=author&p=Deng%2C%20F.S.&ln=en">Deng, F.S.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&p=Ding%2C%20Y.Y.&ln=en">Ding, Y.Y.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Ding%2C%20X.Y.&ln=en">Ding, X.Y.</a> (Shandong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Diwan%2C%20M.V.&ln=en">Diwan, M.V.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Dohnal%2C%20T.&ln=en">Dohnal, T.</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&p=Dolzhikov%2C%20D.&ln=en">Dolzhikov, D.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&p=Dove%2C%20J.&ln=en">Dove, J.</a> (Illinois U., Urbana, Astron. Dept.) ; <a href="https://cds.cern.ch/search?f=author&p=Duyang%2C%20H.Y.&ln=en">Duyang, H.Y.</a> (Shandong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Dwyer%2C%20D.A.&ln=en">Dwyer, D.A.</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Gallo%2C%20J.P.&ln=en">Gallo, J.P.</a> (IIT, Chicago) ; <a href="https://cds.cern.ch/search?f=author&p=Gonchar%2C%20M.&ln=en">Gonchar, M.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&p=Gong%2C%20G.H.&ln=en">Gong, G.H.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Gong%2C%20H.&ln=en">Gong, H.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Gu%2C%20W.Q.&ln=en">Gu, W.Q.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Guo%2C%20J.Y.&ln=en">Guo, J.Y.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Guo%2C%20L.&ln=en">Guo, L.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Guo%2C%20X.H.&ln=en">Guo, X.H.</a> (Beijing Normal U.) ; <a href="https://cds.cern.ch/search?f=author&p=Guo%2C%20Y.H.&ln=en">Guo, Y.H.</a> (Xian Jiaotong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Guo%2C%20Z.&ln=en">Guo, Z.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Hackenburg%2C%20R.W.&ln=en">Hackenburg, R.W.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Han%2C%20Y.&ln=en">Han, Y.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Hans%2C%20S.&ln=en">Hans, S.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=He%2C%20M.&ln=en">He, M.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Heeger%2C%20K.M.&ln=en">Heeger, K.M.</a> (Yale U.) ; <a href="https://cds.cern.ch/search?f=author&p=Heng%2C%20Y.K.&ln=en">Heng, Y.K.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Hor%2C%20Y.K.&ln=en">Hor, Y.K.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Hsiung%2C%20Y.B.&ln=en">Hsiung, Y.B.</a> (Taiwan, Natl. Taiwan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Hu%2C%20B.Z.&ln=en">Hu, B.Z.</a> (Taiwan, Natl. Taiwan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Hu%2C%20J.R.&ln=en">Hu, J.R.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Hu%2C%20T.&ln=en">Hu, T.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Hu%2C%20Z.J.&ln=en">Hu, Z.J.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Huang%2C%20H.X.&ln=en">Huang, H.X.</a> (Beijing, Inst. Atomic Energy ; Beijing, Inst. Theor. Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Huang%2C%20J.H.&ln=en">Huang, J.H.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Huang%2C%20X.T.&ln=en">Huang, X.T.</a> (Shandong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Huang%2C%20Y.B.&ln=en">Huang, Y.B.</a> (Guangxi Key Lab. Rel. Astrophys., Nanning) ; <a href="https://cds.cern.ch/search?f=author&p=Huber%2C%20P.&ln=en">Huber, P.</a> (Virginia Tech.) ; <a href="https://cds.cern.ch/search?f=author&p=Jaffe%2C%20D.E.&ln=en">Jaffe, D.E.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Jen%2C%20K.L.&ln=en">Jen, K.L.</a> (Taiwan, Natl. Chiao Tung U.) ; <a href="https://cds.cern.ch/search?f=author&p=Ji%2C%20X.L.&ln=en">Ji, X.L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Ji%2C%20X.P.&ln=en">Ji, X.P.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Johnson%2C%20R.A.&ln=en">Johnson, R.A.</a> (Cincinnati U.) ; <a href="https://cds.cern.ch/search?f=author&p=Jones%2C%20D.&ln=en">Jones, D.</a> (Temple U.) ; <a href="https://cds.cern.ch/search?f=author&p=Kang%2C%20L.&ln=en">Kang, L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Kettell%2C%20S.H.&ln=en">Kettell, S.H.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Kohn%2C%20S.&ln=en">Kohn, S.</a> (UC, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Kramer%2C%20M.&ln=en">Kramer, M.</a> (UC, Berkeley ; LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Langford%2C%20T.J.&ln=en">Langford, T.J.</a> (Yale U.) ; <a href="https://cds.cern.ch/search?f=author&p=Lee%2C%20J.&ln=en">Lee, J.</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Lee%2C%20J.H.C.&ln=en">Lee, J.H.C.</a> (Hong Kong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Lei%2C%20R.T.&ln=en">Lei, R.T.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Leitner%2C%20R.&ln=en">Leitner, R.</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&p=Leung%2C%20J.K.C.&ln=en">Leung, J.K.C.</a> (Hong Kong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20F.&ln=en">Li, F.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20H.L.&ln=en">Li, H.L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20J.J.&ln=en">Li, J.J.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20Q.J.&ln=en">Li, Q.J.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20R.H.&ln=en">Li, R.H.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20S.&ln=en">Li, S.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20S.C.&ln=en">Li, S.C.</a> (Virginia Tech.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20W.D.&ln=en">Li, W.D.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20X.N.&ln=en">Li, X.N.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20X.Q.&ln=en">Li, X.Q.</a> (Nankai U.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20Y.F.&ln=en">Li, Y.F.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20Z.B.&ln=en">Li, Z.B.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Liang%2C%20H.&ln=en">Liang, H.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&p=Lin%2C%20C.J.&ln=en">Lin, C.J.</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Lin%2C%20G.L.&ln=en">Lin, G.L.</a> (Taiwan, Natl. Chiao Tung U.) ; <a href="https://cds.cern.ch/search?f=author&p=Lin%2C%20S.&ln=en">Lin, S.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Ling%2C%20J.J.&ln=en">Ling, J.J.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Link%2C%20J.M.&ln=en">Link, J.M.</a> (Virginia Tech.) ; <a href="https://cds.cern.ch/search?f=author&p=Littenberg%2C%20L.&ln=en">Littenberg, L.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Littlejohn%2C%20B.R.&ln=en">Littlejohn, B.R.</a> (IIT, Chicago) ; <a href="https://cds.cern.ch/search?f=author&p=Liu%2C%20J.C.&ln=en">Liu, J.C.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Liu%2C%20J.L.&ln=en">Liu, J.L.</a> (Shanghai Jiao Tong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Liu%2C%20J.X.&ln=en">Liu, J.X.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Lu%2C%20C.&ln=en">Lu, C.</a> (Princeton U.) ; <a href="https://cds.cern.ch/search?f=author&p=Lu%2C%20H.Q.&ln=en">Lu, H.Q.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Luk%2C%20K.B.&ln=en">Luk, K.B.</a> (UC, Berkeley ; LBL, Berkeley ; Hong Kong U. Sci. Tech.) ; <a href="https://cds.cern.ch/search?f=author&p=Ma%2C%20B.Z.&ln=en">Ma, B.Z.</a> (Shandong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Ma%2C%20X.B.&ln=en">Ma, X.B.</a> (North China Electric Power U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Ma%2C%20X.Y.&ln=en">Ma, X.Y.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Ma%2C%20Y.Q.&ln=en">Ma, Y.Q.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Mandujano%2C%20R.C.&ln=en">Mandujano, R.C.</a> (UC, Irvine) ; <a href="https://cds.cern.ch/search?f=author&p=Marshall%2C%20C.&ln=en">Marshall, C.</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=McDonald%2C%20K.T.&ln=en">McDonald, K.T.</a> (Princeton U.) ; <a href="https://cds.cern.ch/search?f=author&p=McKeown%2C%20R.D.&ln=en">McKeown, R.D.</a> (William-Mary Coll. ; Caltech) ; <a href="https://cds.cern.ch/search?f=author&p=Meng%2C%20Y.&ln=en">Meng, Y.</a> (Shanghai Jiao Tong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Napolitano%2C%20J.&ln=en">Napolitano, J.</a> (Temple U.) ; <a href="https://cds.cern.ch/search?f=author&p=Naumov%2C%20D.&ln=en">Naumov, D.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&p=Naumova%2C%20E.&ln=en">Naumova, E.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&p=Nguyen%2C%20T.M.T.&ln=en">Nguyen, T.M.T.</a> (Taiwan, Natl. Chiao Tung U.) ; <a href="https://cds.cern.ch/search?f=author&p=Ochoa-Ricoux%2C%20J.P.&ln=en">Ochoa-Ricoux, J.P.</a> (UC, Irvine) ; <a href="https://cds.cern.ch/search?f=author&p=Olshevskiy%2C%20A.&ln=en">Olshevskiy, A.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&p=Pan%2C%20H.-R.&ln=en">Pan, H.-R.</a> (Taiwan, Natl. Taiwan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Park%2C%20J.&ln=en">Park, J.</a> (Virginia Tech.) ; <a href="https://cds.cern.ch/search?f=author&p=Patton%2C%20S.&ln=en">Patton, S.</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Peng%2C%20J.C.&ln=en">Peng, J.C.</a> (Illinois U., Urbana, Astron. Dept.) ; <a href="https://cds.cern.ch/search?f=author&p=Pun%2C%20C.S.J.&ln=en">Pun, C.S.J.</a> (Hong Kong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Qi%2C%20F.Z.&ln=en">Qi, F.Z.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Qi%2C%20M.&ln=en">Qi, M.</a> (Nanjing U.) ; <a href="https://cds.cern.ch/search?f=author&p=Qian%2C%20X.&ln=en">Qian, X.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Raper%2C%20N.&ln=en">Raper, N.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Ren%2C%20J.&ln=en">Ren, J.</a> (Beijing, Inst. Atomic Energy ; Beijing, Inst. Theor. Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Reveco%2C%20C.%20Morales&ln=en">Reveco, C. Morales</a> (UC, Irvine) ; <a href="https://cds.cern.ch/search?f=author&p=Rosero%2C%20R.&ln=en">Rosero, R.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Roskovec%2C%20B.&ln=en">Roskovec, B.</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&p=Ruan%2C%20X.C.&ln=en">Ruan, X.C.</a> (Beijing, Inst. Atomic Energy ; Beijing, Inst. Theor. Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Russell%2C%20B.&ln=en">Russell, B.</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Steiner%2C%20H.&ln=en">Steiner, H.</a> (UC, Berkeley ; LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Sun%2C%20J.L.&ln=en">Sun, J.L.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Tmej%2C%20T.&ln=en">Tmej, T.</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&p=Treskov%2C%20K.&ln=en">Treskov, K.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&p=Tse%2C%20W.-H.&ln=en">Tse, W.-H.</a> (Hong Kong, Chinese U.) ; <a href="https://cds.cern.ch/search?f=author&p=Tull%2C%20C.E.&ln=en">Tull, C.E.</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Viren%2C%20B.&ln=en">Viren, B.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Vorobel%2C%20V.&ln=en">Vorobel, V.</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20C.H.&ln=en">Wang, C.H.</a> (Natl. United U., Taiwan) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20J.&ln=en">Wang, J.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20M.&ln=en">Wang, M.</a> (Shandong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20N.Y.&ln=en">Wang, N.Y.</a> (Beijing Normal U.) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20R.G.&ln=en">Wang, R.G.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20W.&ln=en">Wang, W.</a> (Zhongshan U. ; William-Mary Coll.) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20X.&ln=en">Wang, X.</a> (Natl. U. Defense Tech., Hunan) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20Y.&ln=en">Wang, Y.</a> (Nanjing U.) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20Y.F.&ln=en">Wang, Y.F.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20Z.&ln=en">Wang, Z.</a> ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20Z.&ln=en">Wang, Z.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Wei%2C%20H.Y.&ln=en">Wei, H.Y.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Wei%2C%20L.H.&ln=en">Wei, L.H.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Wei%2C%20W.&ln=en">Wei, W.</a> (Shandong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Wen%2C%20L.J.&ln=en">Wen, L.J.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Whisnant%2C%20K.&ln=en">Whisnant, K.</a> (Iowa State U.) ; <a href="https://cds.cern.ch/search?f=author&p=White%2C%20C.G.&ln=en">White, C.G.</a> (IIT, Chicago) ; <a href="https://cds.cern.ch/search?f=author&p=Wong%2C%20H.L.H.&ln=en">Wong, H.L.H.</a> (UC, Berkeley ; LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Worcester%2C%20E.&ln=en">Worcester, E.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Wu%2C%20D.R.&ln=en">Wu, D.R.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Wu%2C%20Q.&ln=en">Wu, Q.</a> (Shandong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Wu%2C%20W.J.&ln=en">Wu, W.J.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Xia%2C%20D.M.&ln=en">Xia, D.M.</a> (Chongqing U.) ; <a href="https://cds.cern.ch/search?f=author&p=Xie%2C%20Z.Q.&ln=en">Xie, Z.Q.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Xing%2C%20Z.Z.&ln=en">Xing, Z.Z.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Xu%2C%20H.K.&ln=en">Xu, H.K.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Xu%2C%20J.L.&ln=en">Xu, J.L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Xu%2C%20T.&ln=en">Xu, T.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Xue%2C%20T.&ln=en">Xue, T.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Yang%2C%20C.G.&ln=en">Yang, C.G.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Yang%2C%20L.&ln=en">Yang, L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Yang%2C%20Y.Z.&ln=en">Yang, Y.Z.</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Yao%2C%20H.F.&ln=en">Yao, H.F.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Ye%2C%20M.&ln=en">Ye, M.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Yeh%2C%20M.&ln=en">Yeh, M.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Young%2C%20B.L.&ln=en">Young, B.L.</a> (Iowa State U.) ; <a href="https://cds.cern.ch/search?f=author&p=Yu%2C%20H.Z.&ln=en">Yu, H.Z.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Yu%2C%20Z.Y.&ln=en">Yu, Z.Y.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Yue%2C%20B.B.&ln=en">Yue, B.B.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zavadskyi%2C%20V.&ln=en">Zavadskyi, V.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&p=Zeng%2C%20S.&ln=en">Zeng, S.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zeng%2C%20Y.&ln=en">Zeng, Y.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhan%2C%20L.&ln=en">Zhan, L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20C.&ln=en">Zhang, C.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20F.Y.&ln=en">Zhang, F.Y.</a> (Shanghai Jiao Tong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20H.H.&ln=en">Zhang, H.H.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20J.L.&ln=en">Zhang, J.L.</a> (Nanjing U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20J.W.&ln=en">Zhang, J.W.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20Q.M.&ln=en">Zhang, Q.M.</a> (Xian Jiaotong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20S.Q.&ln=en">Zhang, S.Q.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20X.T.&ln=en">Zhang, X.T.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20Y.M.&ln=en">Zhang, Y.M.</a> (Zhongshan U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20Y.X.&ln=en">Zhang, Y.X.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20Y.Y.&ln=en">Zhang, Y.Y.</a> (Shanghai Jiao Tong U.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20Z.J.&ln=en">Zhang, Z.J.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20Z.P.&ln=en">Zhang, Z.P.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&p=Zhang%2C%20Z.Y.&ln=en">Zhang, Z.Y.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhao%2C%20J.&ln=en">Zhao, J.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhao%2C%20R.Z.&ln=en">Zhao, R.Z.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhou%2C%20L.&ln=en">Zhou, L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zhuang%2C%20H.L.&ln=en">Zhuang, H.L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&p=Zou%2C%20J.H.&ln=en">Zou, J.H.</a> (Beijing, Inst. High Energy Phys.)</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;">2023-04-21</td></tr> <tr><td class="formatRecordLabel"> Imprint </td><td style="padding-left:5px;">2022-11-27</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">7</td></tr> <tr><td class="formatRecordLabel"> Note </td><td style="padding-left:5px;">7 pages, 3 figures, 1 table, 10 supplementary files</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1103/PhysRevLett.130.161802"><i>Phys. Rev. Lett.</i> 130 (2023) 161802</a> </a></td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1103/PhysRevLett.130.161802" title="DOI" target="_blank">10.1103/PhysRevLett.130.161802</a> (publication) <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">hep-ex ; Particle 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=DAYA%20BAY&f=693__a">DAYA BAY</a></td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">We present a new determination of the smallest neutrino mixing angle ${\theta}_{13}$ and the mass-squared difference ${\Delta}{\rm m}^{2}_{32}$ using a final sample of $5.55 \times 10^{6}$ inverse beta-decay (IBD) candidates with the final-state neutron captured on gadolinium. This sample was selected from the complete data set obtained by the Daya Bay reactor neutrino experiment in 3158 days of operation. Compared to the previous Daya Bay results, selection of IBD candidates has been optimized, energy calibration refined, and treatment of backgrounds further improved. The resulting oscillation parameters are ${\rm sin}^{2}2{\theta}_{13} = 0.0851 \pm 0.0024$, ${\Delta}{\rm m}^{2}_{32} = (2.466 \pm 0.060) \times 10^{-3}{\rm eV}^{2}$ for the normal mass ordering or ${\Delta}{\rm m}^{2}_{32} = -(2.571 \pm 0.060) \times 10^{-3} {\rm eV}^{2}$ for the inverted mass ordering.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;">preprint: (License: <a href="http://arxiv.org/licenses/nonexclusive-distrib/1.0/">arXiv nonexclusive-distrib 1.0</a>)<br/>publication: Published by the American Physical Society (License: <a href="https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>), sponsored by <a href="http://scoap3.org">SCOAP³</a></td></tr> </table> <br /><div style="max-width:1024px;margin:auto"><div style="overflow-x:auto;display:inline;width:100%;"><a href="/record/2856837/plots#0"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2856837/files/Contour2D_deltaMee.png" title=" Error ellipses in the \dmee-\thet\ space with the best-fit point indicated. The error bars display the one-dimensional one-standard deviation confidence intervals. The colored contours correspond to one, two, and three standard deviations. The $\Delta \chi^2$ distributions are also shown. These one-dimensional distributions were obtained by determining the smallest $\Delta \chi^2$ value after scanning through \dmee\ (\thet\ ) for a given \thet\ (\dmee\ )." width="200px"/></a> <a href="/record/2856837/plots#1"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH1_overE.png" title=" The measured prompt-energy spectra of EH1, EH2 and EH3 with the best-fit and no-oscillation curves superimposed in the upper panels. The shape of the backgrounds are apparent in the spectra with a logarithmic ordinate shown in the insets. The lower panels shows the ratio of the observed spectrum to the predicted no-oscillations distribution. The error bars are statistical." width="200px"/></a> <a href="/record/2856837/plots#2"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2856837/files/All_AdSimpleNL_SYSU_iwsCut_EH2_overE_nolegend.png" title=" The measured prompt-energy spectra of EH1, EH2 and EH3 with the best-fit and no-oscillation curves superimposed in the upper panels. The shape of the backgrounds are apparent in the spectra with a logarithmic ordinate shown in the insets. The lower panels shows the ratio of the observed spectrum to the predicted no-oscillations distribution. The error bars are statistical." width="200px"/></a> <a href='/record/2856837/plots'>Show more plots</a></div></div><br /> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2601288">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 2023-04-25, last modified 2024-10-27</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=en&p=recid%3A2856837&rm=wrd" class="moreinfo">Similar records</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 /><a href="/record/2856837/files/2211.14988.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=2856837">Add to personal basket</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2856837/export/hx?ln=en">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2856837/export/hm?ln=en">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2856837/export/xm?ln=en">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2856837/export/xd?ln=en">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2856837/export/xe?ln=en">EndNote</a>, <!-- <a style="text-decoration:underline;font-weight:normal" href="/record/2856837/export/xe8x?ln=en">EndNote (8-X)</a>,--> <a style="text-decoration:underline;font-weight:normal" href="/record/2856837/export/xn?ln=en">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2856837/export/xw?ln=en">RefWorks</a> </li> </ul> <div style='padding-left: 13px;'> <!-- JQuery Bookmark Button BEGIN --> <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/2211.1498/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2856837', addEmail: true, title: "Precision Measurement of Reactor Antineutrino Oscillation at Kilometer-Scale Baselines by Daya Bay", description: "We present a new determination of the smallest neutrino mixing angle <math display=\"inline\"><msub><mi>\u03b8</mi><mn>13</mn></msub></math> and the mass-squared difference <math display=\"inline\"><mi mathvariant=\"normal\">\u0394</mi><msubsup><mi>m</mi><mn>32</mn><mn>2</mn></msubsup></math> using a final sample of <math display=\"inline\"><mn>5.55</mn><mo>\u00d7</mo><msup><mn>10</mn><mn>6</mn></msup></math> inverse beta-decay (IBD) candidates with the final-state neutron captured on gadolinium. 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The resulting oscillation parameters are <math display=\"inline\"><mrow><msup><mrow><mi>sin</mi></mrow><mrow><mn>2</mn></mrow></msup><mn>2</mn><msub><mrow><mi>\u03b8</mi></mrow><mrow><mn>13</mn></mrow></msub><mo>=</mo><mn>0.0851</mn><mo>\u00b1</mo><mn>0.0024</mn></mrow></math>, <math display=\"inline\"><mrow><mi mathvariant=\"normal\">\u0394</mi><msubsup><mrow><mi>m</mi></mrow><mrow><mn>32</mn></mrow><mrow><mn>2</mn></mrow></msubsup><mo>=</mo><mo stretchy=\"false\">(</mo><mn>2.466</mn><mo>\u00b1</mo><mn>0.060</mn><mo stretchy=\"false\">)</mo><mo>\u00d7</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>-</mo><mn>3</mn></mrow></msup><mtext>\u2009</mtext><mtext>\u2009</mtext><msup><mrow><mi>eV</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></math> for the normal mass ordering or <math display=\"inline\"><mrow><mi mathvariant=\"normal\">\u0394</mi><msubsup><mrow><mi>m</mi></mrow><mrow><mn>32</mn></mrow><mrow><mn>2</mn></mrow></msubsup><mo>=</mo><mo>-</mo><mo stretchy=\"false\">(</mo><mn>2.571</mn><mo>\u00b1</mo><mn>0.060</mn><mo stretchy=\"false\">)</mo><mo>\u00d7</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>-</mo><mn>3</mn></mrow></msup><mtext>\u2009</mtext><mtext>\u2009</mtext><msup><mrow><mi>eV</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></math> for the inverted mass ordering." }); // ]]> </script> <!-- JQuery Bookmark Button END --> </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"> <!-- replaced page footer --> <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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