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Beam test results of NDL Low Gain Avalanche Detectors (LGAD) - CERN Document Server

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We report on beam test results for two proto-types LGADs (BV60 and BV170) developed for the HGTD. Such modules were manufactured by the Institute of High Energy Physics (IHEP) of Chinese Academy of Sciences (CAS) collaborated with Novel Device Laboratory (NDL) of the Beijing Normal University. The beam tests were performed with 5 GeV electron beam at DESY. The timing performance of the LGADs was compared to a trigger counter consisting of a quartz bar coupled to a SiPM readout while extracting reference SiPM by fitting with a Gaussian function. The time resolution was obtained as 41 ps and 63 ps for the BV60 and the BV170, respectively. To meet the timing resolution requirement of up-coming High Luminosity LHC (HL-LHC), a new detector based on the Low-Gain Avalanche Detector(LGAD), High-Granularity Timing Detector (HGTD), is under intensive research in ATLAS. Two types of IHEP-NDL LGADs(BV60 and BV170) for this update is being developed by Institute of High Energy Physics (IHEP) of Chinese Academic of Sciences (CAS) cooperated with Novel Device Laboratory (NDL) of Beijing Normal University and they are now under detailed study. These detectors are tested with $5GeV$ electron beam at DESY. A SiPM detector is chosen as a reference detector to get the timing resolution of LGADs. The fluctuation of time difference between LGAD and SiPM is extracted by fitting with a Gaussian function. Constant fraction discriminator (CFD) method is used to mitigate the effect of time walk. The timing resolution of $41 \pm 1 ps$ and $63 \pm 1 ps$ are obtained for BV60 and BV170 respectively. Xiao, S.; Alderweireldt, S.; Ali, S.; Allaire, C.; Agapopoulou, C.; Atanov, N.; Ayoub, M.K.; Barone, G.; Benchekroun, D.; Buzatu, A.; Caforio, D.; Castillo García, L.; Chan, Y.; Chen, H.; Cindro, V.; Ciucu, L.; da Costa, J. Barreiro Guimarães; Cui, H.; Miralles, F. 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We report on beam test results for two proto-types LGADs (BV60 and BV170) developed for the HGTD. Such modules were manufactured by the Institute of High Energy Physics (IHEP) of Chinese Academy of Sciences (CAS) collaborated with Novel Device Laboratory (NDL) of the Beijing Normal University. The beam tests were performed with 5 GeV electron beam at DESY. The timing performance of the LGADs was compared to a trigger counter consisting of a quartz bar coupled to a SiPM readout while extracting reference SiPM by fitting with a Gaussian function. The time resolution was obtained as 41 ps and 63 ps for the BV60 and the BV170, respectively." property="og:description" /> <meta content="arXiv" property="og:description" /> <meta content="To meet the timing resolution requirement of up-coming High Luminosity LHC (HL-LHC), a new detector based on the Low-Gain Avalanche Detector(LGAD), High-Granularity Timing Detector (HGTD), is under intensive research in ATLAS. Two types of IHEP-NDL LGADs(BV60 and BV170) for this update is being developed by Institute of High Energy Physics (IHEP) of Chinese Academic of Sciences (CAS) cooperated with Novel Device Laboratory (NDL) of Beijing Normal University and they are now under detailed study. These detectors are tested with $5GeV$ electron beam at DESY. A SiPM detector is chosen as a reference detector to get the timing resolution of LGADs. The fluctuation of time difference between LGAD and SiPM is extracted by fitting with a Gaussian function. Constant fraction discriminator (CFD) method is used to mitigate the effect of time walk. The timing resolution of $41 \pm 1 ps$ and $63 \pm 1 ps$ are obtained for BV60 and BV170 respectively." property="og:description" /> <!-- Twitter Card --> <meta content="summary" name="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&amp;referer=https%3A//cds.cern.ch/record/2723979%3Fln%3Den" 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> &gt; Beam test results of NDL Low Gain Avalanche Detectors (LGAD) </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/2723979/?ln=en">Information </a></li><li class=""><a href="/record/2723979/files?ln=en">Files </a></li></ul> <div id="tabsSpacer" style="clear:both;height:0px">&nbsp;</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;">&nbsp;</div> <p class="notopgap">&nbsp;</p>--> <abbr class="unapi-id" title="2723979"></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:2005.07323">arXiv:2005.07323</a></td></tr> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>Beam test results of NDL Low Gain Avalanche Detectors (LGAD)</b></td></tr> <tr><td class="formatRecordLabel" style="vertical-align:top;">Related title</td><td style="padding-left:5px; ">Beam test results of IHEP-NDL Low Gain Avalanche Detectors (LGAD)<br/></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 101 authors" } link.style.color = "rgb(204,0,0);" } function set_up(){ var extension = document.getElementById('extension'); extension.innerHTML = ""; toggle_authors_visibility(); } </script> <a name="show_hide" /><a href="https://cds.cern.ch/search?f=author&amp;p=Xiao%2C%20S.&amp;ln=en">Xiao, S.</a> (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Alderweireldt%2C%20S.&amp;ln=en">Alderweireldt, S.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Ali%2C%20S.&amp;ln=en">Ali, S.</a> (Taiwan, Inst. Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Allaire%2C%20C.&amp;ln=en">Allaire, C.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Agapopoulou%2C%20C.&amp;ln=en">Agapopoulou, C.</a> (Orsay, LAL) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Atanov%2C%20N.&amp;ln=en">Atanov, N.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Ayoub%2C%20M.K.&amp;ln=en">Ayoub, M.K.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Barone%2C%20G.&amp;ln=en">Barone, G.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Benchekroun%2C%20D.&amp;ln=en">Benchekroun, D.</a> (Casablanca U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Buzatu%2C%20A.&amp;ln=en">Buzatu, A.</a> (Taiwan, Inst. Phys.)<span id="more" style=""> ; <a href="https://cds.cern.ch/search?f=author&amp;p=Caforio%2C%20D.&amp;ln=en">Caforio, D.</a> (Giessen U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Castillo%20Garc%C3%ADa%2C%20L.&amp;ln=en">Castillo García, L.</a> (Barcelona, IFAE) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Chan%2C%20Y.&amp;ln=en">Chan, Y.</a> (Taiwan, Natl. Tsing Hua U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Chen%2C%20H.&amp;ln=en">Chen, H.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Cindro%2C%20V.&amp;ln=en">Cindro, V.</a> (Stefan Inst., Ljubljana) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Ciucu%2C%20L.&amp;ln=en">Ciucu, L.</a> (Taiwan, Inst. Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=da%20Costa%2C%20J.%20Barreiro%20Guimar%C3%A3es&amp;ln=en">da Costa, J. Barreiro Guimarães</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Cui%2C%20H.&amp;ln=en">Cui, H.</a> ; <a href="https://cds.cern.ch/search?f=author&amp;p=Miralles%2C%20F.%20Dav%C3%B3&amp;ln=en">Miralles, F. Davó</a> (Barcelona, IFAE) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Davydov%2C%20Y.&amp;ln=en">Davydov, Y.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&amp;p=d%27Amen%2C%20G.&amp;ln=en">d'Amen, G.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&amp;p=de%20la%20Taille%2C%20C.&amp;ln=en">de la Taille, C.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Kiuchi%2C%20R.&amp;ln=en">Kiuchi, R.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Fan%2C%20Y.&amp;ln=en">Fan, Y.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Falou%2C%20A.&amp;ln=en">Falou, A.</a> (Orsay, LAL) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Ferreira%2C%20A.S.C.&amp;ln=en">Ferreira, A.S.C.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Garau%2C%20M.&amp;ln=en">Garau, M.</a> (Cagliari U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Ge%2C%20J.&amp;ln=en">Ge, J.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Ghosh%2C%20A.&amp;ln=en">Ghosh, A.</a> (Iowa U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Giacomini%2C%20G.&amp;ln=en">Giacomini, G.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Gkougkousis%2C%20E.L.&amp;ln=en">Gkougkousis, E.L.</a> (Barcelona, IFAE) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Grieco%2C%20C.&amp;ln=en">Grieco, C.</a> (Barcelona, IFAE) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Guindon%2C%20S.&amp;ln=en">Guindon, S.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Han%2C%20D.&amp;ln=en">Han, D.</a> (Beijing Normal U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Han%2C%20S.&amp;ln=en">Han, S.</a> (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Holmberg%2C%20M.&amp;ln=en">Holmberg, M.</a> (Royal Inst. Tech., Sodertalje) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Howard%2C%20A.&amp;ln=en">Howard, A.</a> (Stefan Inst., Ljubljana) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Huang%2C%20Y.&amp;ln=en">Huang, Y.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Huang%2C%20Y.&amp;ln=en">Huang, Y.</a> (Taiwan, Natl. Tsing Hua U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Jing%2C%20M.&amp;ln=en">Jing, M.</a> (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Khoulaki%2C%20Y.&amp;ln=en">Khoulaki, Y.</a> (Casablanca U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Kramberger%2C%20G.&amp;ln=en">Kramberger, G.</a> (Stefan Inst., Ljubljana) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Kuwertz%2C%20E.&amp;ln=en">Kuwertz, E.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Lefebvre%2C%20H.&amp;ln=en">Lefebvre, H.</a> (Royal Holloway, U. of London) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Leite%2C%20M.&amp;ln=en">Leite, M.</a> (Sao Paulo U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Leopold%2C%20A.&amp;ln=en">Leopold, A.</a> (Paris U., VI-VII) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Li%2C%20C.&amp;ln=en">Li, C.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Li%2C%20Q.&amp;ln=en">Li, Q.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Liang%2C%20H.&amp;ln=en">Liang, H.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Liang%2C%20Z.&amp;ln=en">Liang, Z.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Liu%2C%20B.&amp;ln=en">Liu, B.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Liu%2C%20J.&amp;ln=en">Liu, J.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Luthfi%2C%20A.&amp;ln=en">Luthfi, A.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Lyu%2C%20F.&amp;ln=en">Lyu, F.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Malyukov%2C%20S.&amp;ln=en">Malyukov, S.</a> (Dubna, JINR) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Mand%C3%ADc%2C%20I.&amp;ln=en">Mandíc, I.</a> (Stefan Inst., Ljubljana) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Masetti%2C%20L.&amp;ln=en">Masetti, L.</a> (U. Mainz, PRISMA) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Miku%C5%BE%2C%20M.&amp;ln=en">Mikuž, M.</a> (Stefan Inst., Ljubljana) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Nikolic%2C%20I.&amp;ln=en">Nikolic, I.</a> (Paris U., VI-VII) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Polidori%2C%20L.&amp;ln=en">Polidori, L.</a> (U. Mainz, PRISMA) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Polifka%2C%20R.&amp;ln=en">Polifka, R.</a> (Charles U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Posopkina%2C%20O.&amp;ln=en">Posopkina, O.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Qi%2C%20B.&amp;ln=en">Qi, B.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Ran%2C%20K.&amp;ln=en">Ran, K.</a> (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Reynolds%2C%20B.J.G.&amp;ln=en">Reynolds, B.J.G.</a> (Ohio State U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Rizzi%2C%20C.&amp;ln=en">Rizzi, C.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Robles%20Manzano%2C%20M.&amp;ln=en">Robles Manzano, M.</a> (Mainz U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Rossi%2C%20E.&amp;ln=en">Rossi, E.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Rummler%2C%20A.&amp;ln=en">Rummler, A.</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Sacerdoti%2C%20S.&amp;ln=en">Sacerdoti, S.</a> (Orsay, LAL) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Saito%2C%20G.T.&amp;ln=en">Saito, G.T.</a> (Sao Paulo U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Seguin-Moreau%2C%20N.&amp;ln=en">Seguin-Moreau, N.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Serin%2C%20L.&amp;ln=en">Serin, L.</a> (Orsay, LAL) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Shan%2C%20L.&amp;ln=en">Shan, L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Shi%2C%20L.&amp;ln=en">Shi, L.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Sjostrom%2C%20N.F.&amp;ln=en">Sjostrom, N.F.</a> (Royal Inst. Tech., Stockholm) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Ferreira%2C%20A.%20Soares%20Canas&amp;ln=en">Ferreira, A. Soares Canas</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Soengen%2C%20J.&amp;ln=en">Soengen, J.</a> (U. Mainz, PRISMA) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Stenzel%2C%20H.&amp;ln=en">Stenzel, H.</a> (Giessen U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Szadaj%2C%20A.J.&amp;ln=en">Szadaj, A.J.</a> (Royal Inst. Tech., Stockholm) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Tan%2C%20Y.&amp;ln=en">Tan, Y.</a> (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Terzo%2C%20S.&amp;ln=en">Terzo, S.</a> (Barcelona, IFAE) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Thomas%2C%20J.O.&amp;ln=en">Thomas, J.O.</a> (Southern Methodist U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Tolley%2C%20E.&amp;ln=en">Tolley, E.</a> (Ohio State U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Tricoli%2C%20A.&amp;ln=en">Tricoli, A.</a> (Brookhaven) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Trincaz-Duvoid%2C%20S.&amp;ln=en">Trincaz-Duvoid, S.</a> (Paris U., VI-VII) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Wang%2C%20R.&amp;ln=en">Wang, R.</a> (U. Mainz, PRISMA) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Wang%2C%20S.M.&amp;ln=en">Wang, S.M.</a> (Taiwan, Inst. Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Wang%2C%20W.&amp;ln=en">Wang, W.</a> (Nanjing U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Wang%2C%20W.&amp;ln=en">Wang, W.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Wu%2C%20K.&amp;ln=en">Wu, K.</a> (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Shi%2C%20X.&amp;ln=en">Shi, X.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Yang%2C%20T.&amp;ln=en">Yang, T.</a> (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Yang%2C%20Y.&amp;ln=en">Yang, Y.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Yu%2C%20C.&amp;ln=en">Yu, C.</a> (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Zhang%2C%20X.&amp;ln=en">Zhang, X.</a> (Beijing Normal U.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Zhao%2C%20L.&amp;ln=en">Zhao, L.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Zhao%2C%20M.&amp;ln=en">Zhao, M.</a> (Beijing, Inst. High Energy Phys.) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Zhao%2C%20Z.&amp;ln=en">Zhao, Z.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Zheng%2C%20X.&amp;ln=en">Zheng, X.</a> (Hefei, CUST) ; <a href="https://cds.cern.ch/search?f=author&amp;p=Zhuang%2C%20X.&amp;ln=en">Zhuang, X.</a> (Beijing, Inst. High Energy Phys.)</span> <span id="extension"></span> <small><i><a id="link" href="#" onclick="toggle_authors_visibility()" style="color:rgb(204,0,0);"></a></i></small><script type="text/javascript">set_up()</script></td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2021-02-11</td></tr> <tr><td class="formatRecordLabel"> Imprint </td><td style="padding-left:5px;">2020-05-14</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">16</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1016/j.nima.2020.164956"><i>Nucl. Instrum. Methods Phys. Res., A</i> 989 (2021) 164956</a> </a></td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/record/2701807">12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD)</a>, Hiroshima, Japan, 14 - 18 Dec 2019, pp.164956</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.1016/j.nima.2020.164956" title="DOI" target="_blank">10.1016/j.nima.2020.164956</a> <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">physics.ins-det ; Detectors and Experimental Techniques</td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">To meet the timing resolution requirement of up-coming High Luminosity LHC (HL-LHC), a new detector based on the Low-Gain Avalanche Detector(LGAD), High-Granularity Timing Detector (HGTD), is under intensive research in ATLAS. Two types of IHEP-NDL LGADs(BV60 and BV170) for this update is being developed by Institute of High Energy Physics (IHEP) of Chinese Academic of Sciences (CAS) cooperated with Novel Device Laboratory (NDL) of Beijing Normal University and they are now under detailed study. These detectors are tested with $5GeV$ electron beam at DESY. A SiPM detector is chosen as a reference detector to get the timing resolution of LGADs. The fluctuation of time difference between LGAD and SiPM is extracted by fitting with a Gaussian function. Constant fraction discriminator (CFD) method is used to mitigate the effect of time walk. The timing resolution of $41 \pm 1 ps$ and $63 \pm 1 ps$ are obtained for BV60 and BV170 respectively.</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: &copy; 2020 Elsevier B.V</td></tr> </table> <br /><div style="max-width:1024px;margin:auto"><div style="overflow-x:auto;display:inline;width:100%;"><a href="/record/2723979/plots#0"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2723979/files/schematic_LGAD.png" title=" Schematic of an n-on-p LGAD operated under reverse bias voltage." width="200px"/></a> <a href="/record/2723979/plots#1"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2723979/files/layout_tsb.png" title=" Schematic Layout of a beam test at DESY." width="200px"/></a> <a href="/record/2723979/plots#2"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2723979/files/layout_NDL.png" title=" Schematic Layout of a IHEP-NDL detector. $2$ by $2$ pads each detector are fabricated with floating six GRs, no marks for distinguishment." width="200px"/></a> <a href='/record/2723979/plots'>Show more plots</a></div></div><br /> <br/>Corresponding record in: <a href="http://inspirehep.net/record/1796576">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">&nbsp;Record created 2020-07-16, last modified 2023-06-26</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&amp;p=recid%3A2723979&amp;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/2723979/files/2005.07323.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&amp;recid=2723979">Add to personal basket</a></li> <li>Export as <a style="text-decoration:underline;font-weight:normal" href="/record/2723979/export/hx?ln=en">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2723979/export/hm?ln=en">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2723979/export/xm?ln=en">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2723979/export/xd?ln=en">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2723979/export/xe?ln=en">EndNote</a>, <!-- <a style="text-decoration:underline;font-weight:normal" href="/record/2723979/export/xe8x?ln=en">EndNote (8-X)</a>,--> <a style="text-decoration:underline;font-weight:normal" href="/record/2723979/export/xn?ln=en">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2723979/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/2005.0732/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2723979', addEmail: true, title: "Beam test results of NDL Low Gain Avalanche Detectors (LGAD)", description: "A High-Granularity Timing Detector (HGTD) is proposed based on the Low-Gain Avalanche Detector (LGAD) for the ATLAS experiment to satisfy the time resolution requirement for the up-coming High Luminosity at LHC (HL-LHC). We report on beam test results for two proto-types LGADs (BV60 and BV170) developed for the HGTD. Such modules were manufactured by the Institute of High Energy Physics (IHEP) of Chinese Academy of Sciences (CAS) collaborated with Novel Device Laboratory (NDL) of the Beijing Normal University. The beam tests were performed with 5 GeV electron beam at DESY. The timing performance of the LGADs was compared to a trigger counter consisting of a quartz bar coupled to a SiPM readout while extracting reference SiPM by fitting with a Gaussian function. 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