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It complements the overview prepared for the update of the European Strategy for particle physics, and provides a detailed description of the field. The scientific priorities of the community are described for each technique of acceleration able to achieve accelerating gradient in the GeV~range or above. ALEGRO working group leaders have coordinated the preparation of their working group contribution and contributed to editing the documents. The preparation of this document was coordinated by the Advanced LinEar collider study GROup, ALEGRO. The content was defined through discussions at the ALEGRO workshop in Oxford UK, March 2018, and an advanced draft was discussed during a one day meeting prior to the AAC workshop in Breckenridge, CO, USA, August 2018. This document was submitted as an addendum to the ALEGRO submission to the European Strategy for Particle Physics. Adli, Erik; An, Weiming; Andreev, Nikolay; Apsimon, Oznur; Assmann, Ralph; Babiegeon, Jean-luc; Bingham, Robert; Blackburn, Tom; Brady, Christopher; Bussmann, Michael; Carlsten, Bruce; Chappell, James; Chen, Jian Bin Ben; Corde, Sebastian; Corner, Laura; Cowan, Benjamin; Cros, Brigitte; England, Joel; Esarey, Eric; Fonseca, Ricardo; Foster, Brian; Gessner, Spencer; Gizzi, Leonida A; Gordon, Daniel; Gschwendtner, Edda; Hartin, Anthony; Hidding, Bernhard; Hogan, Mark; Hooker, Simon; Hughes, T.; Kanareykin, Alexei; Karsch, Stefan; Khoze, Valentin; Kumar, Pawan; Leemans, Wim; Lemery, Francois; Li, Ang; Li, R.; Libov, Vladyslav; Sistrunk Link, Emily; Litos, Michael; Loisch, Gregor; Lopes, Nelson; Lundh, Olle; Lyapin, Alexey; Marin, Edu; Marklund, Mattias; Mehrling, Timon; Muggli, Patric; Musumeci, Pietro; Najmudin, Zulfikar; Niedermayer, Uwe; Osterhoff, Jens; Palmer, Marc; Pattathil, Rajeev; Peskin, Michael; Piot, Phillipe; Power, John; Pukhov, Alexander; Ratcliffe, Heather; Riembau, Marc; Sanz, Veronica; Sarri, Gianluca; Saveliev, Yuri; Schlachter, Levi; Schaper, Lucas; Schoeneberger, Norbert; Schroeder, Carl; Schroeder, Sarah; Schulte, Daniel; Seryi, Andrei; Shchelkunov, Sergey; Siders, Craig; Simakov, Evgenya; Simon-Boissen, Christophe; Spannowsky, Michael; Swinson, Christina; Szczepkowicz, Andrzej; Tarkeshian, Roxana; Thomas, Johannes; Tian, Junping; Tilborg, J.V.; Tomassini, Paolo; Tsakanov, Vasili; Vay, Jean-Luc; Vieira, Jorge; Vincenti, Henri; Walczak, Roman; Wang, Dan; Webb, Stephan; White, Glen; Xia, Guoxing; Yamamoto, Hitoshi; You, Tevong; Zagorodnov, Igor" /> <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"/> 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It complements the overview prepared for the update of the European Strategy for particle physics, and provides a detailed description of the field. The scientific priorities of the community are described for each technique of acceleration able to achieve accelerating gradient in the GeV~range or above. ALEGRO working group leaders have coordinated the preparation of their working group contribution and contributed to editing the documents. The preparation of this document was coordinated by the Advanced LinEar collider study GROup, ALEGRO. The content was defined through discussions at the ALEGRO workshop in Oxford UK, March 2018, and an advanced draft was discussed during a one day meeting prior to the AAC workshop in Breckenridge, CO, USA, August 2018. This document was submitted as an addendum to the ALEGRO submission to the European Strategy for Particle Physics." property="og:description" />  <meta content="summary" name="twitter:card" /> <style></style> </head> <body class="CERN32Document32Server search" lang="no">  <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=no&referer=https%3A//cds.cern.ch/record/2661806%3Fln%3Dno" title="Sign in to your CERN account">Sign in</a></li> <li><a class="cern-directory" href="http://cern.ch/directory" title="Search CERN resources and browse the directory">Directory</a></li> </ul> </div>   <div role="banner" class="clearfix" id="header"> <div class="header-inner inner"> <hgroup class="clearfix"> <h2 id="site-name"> <a rel="home" title="Home" href="/"><span>CERN Document Server</span></a> </h2> <h3 id="site-slogan">Access articles, reports and multimedia content in HEP</h3> </hgroup> <div role="navigation" id="main-navigation" class="cdsmenu"> <h2 class="element-invisible">Main menu</h2><ul class="links inline clearfix"> <li class="menu-386 first active-trail"><a class="active-trail" href="https://cds.cern.ch/?ln=no">Søk</a></li> <li class="menu-444 "><a class="" title="" href="https://cds.cern.ch/submit?ln=no">Send inn</a></li> <li class="menu-426 "><a class="" href="https://cds.cern.ch/help/?ln=no">Hjelp</a></li> <li class="leaf hassubcdsmenu"> <a hreflang="en" class="header" href="https://cds.cern.ch/youraccount/display?ln=no">Brukerinnstillinger</a> <ul class="subsubcdsmenu"><li><a href="https://cds.cern.ch/youralerts/list?ln=no">Your alerts</a></li><li><a href="https://cds.cern.ch/yourbaskets/display?ln=no">Your baskets</a></li><li><a href="https://cds.cern.ch/yourcomments?ln=no">Your comments</a></li><li><a href="https://cds.cern.ch/youralerts/display?ln=no">Your searches</a></li></ul></li> </ul> </div> </div> </div>  <table class="navtrailbox"> <tr> <td class="navtrailboxbody"> <a href="/?ln=no" class="navtrail">Hovedsiden</a> > Towards an Advanced Linear International Collider </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/2661806/?ln=no">Informasjon </a></li><li class=""><a href="/record/2661806/files?ln=no">Files </a></li></ul> <div id="tabsSpacer" style="clear:both;height:0px"> </div></div> </div> <div class="detailedrecordboxcontent"> <div class="top-left-folded"></div> <div class="top-right-folded"></div> <div class="inside">  <abbr class="unapi-id" title="2661806"></abbr>  <link href="/img/download_and_embed_buttons.css" rel="stylesheet" type="text/css" /> <style type="text/css">  .video_talk_wrapper{ max-width: 640px; min-height: 360px; } </style> <table class="formatRecordTableFullWidth"> <tr> <td class="formatRecordHeader" style="background-image: url('/img/journals.jpg');" colspan="2">  Preprint </td> </tr> <tr><td class="formatRecordLabel"> Report number </td><td style="padding-left:5px;"><a href="http://arxiv.org/abs/arXiv:1901.10370">arXiv:1901.10370</a></td></tr> <tr><td class="formatRecordLabel"> Title </td><td style="padding-left:5px;"><b>Towards an Advanced Linear International Collider</b></td></tr> <style> .video_control_container, #video_controlbutton { display: none; }#video_detailbox_download {display: none;}#video_detailbox_embed {display: none;}</style> <div class="video_control_container"> <div style="box-sizing: inherit;position: relative;min-height: 1em;margin: 1em 0;background: #f8f8f9;padding: 1em 1.5em;line-height: 1.4285em;transition: opacity .1s ease,color .1s ease,background .1s ease,box-shadow .1s ease,-webkit-box-shadow .1s ease;border-radius: .28571429rem;font-size: 1.1em;margin-top: 0;margin-bottom: 6px;background-color: #f8ffff;color: #276f86;box-shadow: 0 0 0 1px #a9d5de inset,0 0 0 0 transparent;"> <i class="fa fa-info"></i><span style="padding-left: 9px;">If you experience any problem watching the video, click the download button below</span> </div> <a id="video_controlbutton_download" rel="download_button" class="video_controlbutton" href="#">Download</a> <a id="video_controlbutton_embed" class="video_controlbutton" href="#">Embed</a> </div> <div id="video_detailbox_download" style="margin:10px"> </div> <div id="video_detailbox_embed" style="margin:10px"> </div> <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 = "Skjul" } else { more.style.display = 'none'; extension.style.display = ''; link.innerHTML = "Vis alle 95 forfattere" } link.style.color = "rgb(204,0,0);" } function set_up(){ var extension = document.getElementById('extension'); extension.innerHTML = "ALEGRO Collaboration "; toggle_authors_visibility(); } </script> <a name="show_hide" /><p id="more" style=""><a href="https://cds.cern.ch/search?f=author&p=Adli%2C%20Erik&ln=no">Adli, Erik</a> (Oslo U.) ; <a href="https://cds.cern.ch/search?f=author&p=An%2C%20Weiming&ln=no">An, Weiming</a> (UCLA) ; <a href="https://cds.cern.ch/search?f=author&p=Andreev%2C%20Nikolay&ln=no">Andreev, Nikolay</a> (Unlisted, RU) ; <a href="https://cds.cern.ch/search?f=author&p=Apsimon%2C%20Oznur&ln=no">Apsimon, Oznur</a> (Manchester U.) ; <a href="https://cds.cern.ch/search?f=author&p=Assmann%2C%20Ralph&ln=no">Assmann, Ralph</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Babiegeon%2C%20Jean-luc&ln=no">Babiegeon, Jean-luc</a> (Orsay, LAL) ; <a href="https://cds.cern.ch/search?f=author&p=Bingham%2C%20Robert&ln=no">Bingham, Robert</a> (Daresbury) ; <a href="https://cds.cern.ch/search?f=author&p=Blackburn%2C%20Tom&ln=no">Blackburn, Tom</a> (Chalmers U. Tech.) ; <a href="https://cds.cern.ch/search?f=author&p=Brady%2C%20Christopher&ln=no">Brady, Christopher</a> (Warwick U.) ; <a href="https://cds.cern.ch/search?f=author&p=Bussmann%2C%20Michael&ln=no">Bussmann, Michael</a> (HZDR, Dresden) ; <a href="https://cds.cern.ch/search?f=author&p=Carlsten%2C%20Bruce&ln=no">Carlsten, Bruce</a> (Los Alamos) ; <a href="https://cds.cern.ch/search?f=author&p=Chappell%2C%20James&ln=no">Chappell, James</a> (University Coll. London) ; <a href="https://cds.cern.ch/search?f=author&p=Chen%2C%20Jian%20Bin%20Ben&ln=no">Chen, Jian Bin Ben</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Corde%2C%20Sebastian&ln=no">Corde, Sebastian</a> (Ec. Polytech., Palaiseau (main)) ; <a href="https://cds.cern.ch/search?f=author&p=Corner%2C%20Laura&ln=no">Corner, Laura</a> (Liverpool U.) ; <a href="https://cds.cern.ch/search?f=author&p=Cowan%2C%20Benjamin&ln=no">Cowan, Benjamin</a> (Tech-X, Boulder) ; <a href="https://cds.cern.ch/search?f=author&p=Cros%2C%20Brigitte&ln=no">Cros, Brigitte</a> (LPGP, Orsay) ; <a href="https://cds.cern.ch/search?f=author&p=England%2C%20Joel&ln=no">England, Joel</a> (SLAC, SSRL) ; <a href="https://cds.cern.ch/search?f=author&p=Esarey%2C%20Eric&ln=no">Esarey, Eric</a> (LBNL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Fonseca%2C%20Ricardo&ln=no">Fonseca, Ricardo</a> (Lisbon, IST) ; <a href="https://cds.cern.ch/search?f=author&p=Foster%2C%20Brian&ln=no">Foster, Brian</a> (DESY ; Oxford U.) ; <a href="https://cds.cern.ch/search?f=author&p=Gessner%2C%20Spencer&ln=no">Gessner, Spencer</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Gizzi%2C%20Leonida%20A&ln=no">Gizzi, Leonida A</a> (CNR, INO, Pisa) ; <a href="https://cds.cern.ch/search?f=author&p=Gordon%2C%20Daniel&ln=no">Gordon, Daniel</a> (Naval Research Lab, Wash., D.C.) ; <a href="https://cds.cern.ch/search?f=author&p=Gschwendtner%2C%20Edda&ln=no">Gschwendtner, Edda</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Hartin%2C%20Anthony&ln=no">Hartin, Anthony</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Hidding%2C%20Bernhard&ln=no">Hidding, Bernhard</a> (Strathclyde U.) ; <a href="https://cds.cern.ch/search?f=author&p=Hogan%2C%20Mark&ln=no">Hogan, Mark</a> (SLAC, SSRL) ; <a href="https://cds.cern.ch/search?f=author&p=Hooker%2C%20Simon&ln=no">Hooker, Simon</a> (Oxford U.) ; <a href="https://cds.cern.ch/search?f=author&p=Hughes%2C%20T.&ln=no">Hughes, T.</a> (Stanford U.) ; <a href="https://cds.cern.ch/search?f=author&p=Kanareykin%2C%20Alexei&ln=no">Kanareykin, Alexei</a> (Euclid TechLabs, Rockville) ; <a href="https://cds.cern.ch/search?f=author&p=Karsch%2C%20Stefan&ln=no">Karsch, Stefan</a> (Munich, Max Planck Inst.) ; <a href="https://cds.cern.ch/search?f=author&p=Khoze%2C%20Valentin&ln=no">Khoze, Valentin</a> (Durham U.) ; <a href="https://cds.cern.ch/search?f=author&p=Kumar%2C%20Pawan&ln=no">Kumar, Pawan</a> (Raj Kumar Goel Inst.Tech., Ghaziabad) ; <a href="https://cds.cern.ch/search?f=author&p=Leemans%2C%20Wim&ln=no">Leemans, Wim</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Lemery%2C%20Francois&ln=no">Lemery, Francois</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20Ang&ln=no">Li, Ang</a> (Erlangen - Nuremberg U.) ; <a href="https://cds.cern.ch/search?f=author&p=Li%2C%20R.&ln=no">Li, R.</a> (SLAC, SSRL) ; <a href="https://cds.cern.ch/search?f=author&p=Libov%2C%20Vladyslav&ln=no">Libov, Vladyslav</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Sistrunk%20Link%2C%20Emily&ln=no">Sistrunk Link, Emily</a> (LLNL, Livermore) ; <a href="https://cds.cern.ch/search?f=author&p=Litos%2C%20Michael&ln=no">Litos, Michael</a> (Colorado U.) ; <a href="https://cds.cern.ch/search?f=author&p=Loisch%2C%20Gregor&ln=no">Loisch, Gregor</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Lopes%2C%20Nelson&ln=no">Lopes, Nelson</a> (Lisbon, IST ; Imperial Coll., London) ; <a href="https://cds.cern.ch/search?f=author&p=Lundh%2C%20Olle&ln=no">Lundh, Olle</a> (Lund U.) ; <a href="https://cds.cern.ch/search?f=author&p=Lyapin%2C%20Alexey&ln=no">Lyapin, Alexey</a> (Royal Holloway, U. of London) ; <a href="https://cds.cern.ch/search?f=author&p=Marin%2C%20Edu&ln=no">Marin, Edu</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Marklund%2C%20Mattias&ln=no">Marklund, Mattias</a> (Chalmers U. Tech.) ; <a href="https://cds.cern.ch/search?f=author&p=Mehrling%2C%20Timon&ln=no">Mehrling, Timon</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Muggli%2C%20Patric&ln=no">Muggli, Patric</a> (CERN ; Munich, Max Planck Inst.) ; <a href="https://cds.cern.ch/search?f=author&p=Musumeci%2C%20Pietro&ln=no">Musumeci, Pietro</a> (UCLA) ; <a href="https://cds.cern.ch/search?f=author&p=Najmudin%2C%20Zulfikar&ln=no">Najmudin, Zulfikar</a> (Imperial Coll., London) ; <a href="https://cds.cern.ch/search?f=author&p=Niedermayer%2C%20Uwe&ln=no">Niedermayer, Uwe</a> (Darmstadt, Tech. Hochsch.) ; <a href="https://cds.cern.ch/search?f=author&p=Osterhoff%2C%20Jens&ln=no">Osterhoff, Jens</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Palmer%2C%20Marc&ln=no">Palmer, Marc</a> (Warwick U.) ; <a href="https://cds.cern.ch/search?f=author&p=Pattathil%2C%20Rajeev&ln=no">Pattathil, Rajeev</a> (Daresbury) ; <a href="https://cds.cern.ch/search?f=author&p=Peskin%2C%20Michael&ln=no">Peskin, Michael</a> (SLAC, SSRL) ; <a href="https://cds.cern.ch/search?f=author&p=Piot%2C%20Phillipe&ln=no">Piot, Phillipe</a> (Northern Illinois U.) ; <a href="https://cds.cern.ch/search?f=author&p=Power%2C%20John&ln=no">Power, John</a> (ANL, APS) ; <a href="https://cds.cern.ch/search?f=author&p=Pukhov%2C%20Alexander&ln=no">Pukhov, Alexander</a> (Heinrich Heine U., Dusseldorf) ; <a href="https://cds.cern.ch/search?f=author&p=Ratcliffe%2C%20Heather&ln=no">Ratcliffe, Heather</a> (Warwick U.) ; <a href="https://cds.cern.ch/search?f=author&p=Riembau%2C%20Marc&ln=no">Riembau, Marc</a> (Geneva U.) ; <a href="https://cds.cern.ch/search?f=author&p=Sanz%2C%20Veronica&ln=no">Sanz, Veronica</a> (Sussex U.) ; <a href="https://cds.cern.ch/search?f=author&p=Sarri%2C%20Gianluca&ln=no">Sarri, Gianluca</a> (Queen's U., Belfast) ; <a href="https://cds.cern.ch/search?f=author&p=Saveliev%2C%20Yuri&ln=no">Saveliev, Yuri</a> (Daresbury) ; <a href="https://cds.cern.ch/search?f=author&p=Schlachter%2C%20Levi&ln=no">Schlachter, Levi</a> (Technion) ; <a href="https://cds.cern.ch/search?f=author&p=Schaper%2C%20Lucas&ln=no">Schaper, Lucas</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Schoeneberger%2C%20Norbert&ln=no">Schoeneberger, Norbert</a> (Erlangen - Nuremberg U.) ; <a href="https://cds.cern.ch/search?f=author&p=Schroeder%2C%20Carl&ln=no">Schroeder, Carl</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Schroeder%2C%20Sarah&ln=no">Schroeder, Sarah</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Schulte%2C%20Daniel&ln=no">Schulte, Daniel</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Seryi%2C%20Andrei&ln=no">Seryi, Andrei</a> (Jefferson Lab) ; <a href="https://cds.cern.ch/search?f=author&p=Shchelkunov%2C%20Sergey&ln=no">Shchelkunov, Sergey</a> (Yale U.) ; <a href="https://cds.cern.ch/search?f=author&p=Siders%2C%20Craig&ln=no">Siders, Craig</a> (LLNL, Livermore) ; <a href="https://cds.cern.ch/search?f=author&p=Simakov%2C%20Evgenya&ln=no">Simakov, Evgenya</a> (Los Alamos) ; <a href="https://cds.cern.ch/search?f=author&p=Simon-Boissen%2C%20Christophe&ln=no">Simon-Boissen, Christophe</a> (Thales Alenia Space France, Cannes La Bocca) ; <a href="https://cds.cern.ch/search?f=author&p=Spannowsky%2C%20Michael&ln=no">Spannowsky, Michael</a> (Durham U.) ; <a href="https://cds.cern.ch/search?f=author&p=Swinson%2C%20Christina&ln=no">Swinson, Christina</a> (Brookhaven Natl. Lab.) ; <a href="https://cds.cern.ch/search?f=author&p=Szczepkowicz%2C%20Andrzej&ln=no">Szczepkowicz, Andrzej</a> (Wroclaw U.) ; <a href="https://cds.cern.ch/search?f=author&p=Tarkeshian%2C%20Roxana&ln=no">Tarkeshian, Roxana</a> (DESY) ; <a href="https://cds.cern.ch/search?f=author&p=Thomas%2C%20Johannes&ln=no">Thomas, Johannes</a> (Heinrich Heine U., Dusseldorf) ; <a href="https://cds.cern.ch/search?f=author&p=Tian%2C%20Junping&ln=no">Tian, Junping</a> (Tokyo U.) ; <a href="https://cds.cern.ch/search?f=author&p=Tilborg%2C%20J.V.&ln=no">Tilborg, J.V.</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Tomassini%2C%20Paolo&ln=no">Tomassini, Paolo</a> (CNR, INO, Pisa) ; <a href="https://cds.cern.ch/search?f=author&p=Tsakanov%2C%20Vasili&ln=no">Tsakanov, Vasili</a> (CANDLE, Yerevan) ; <a href="https://cds.cern.ch/search?f=author&p=Vay%2C%20Jean-Luc&ln=no">Vay, Jean-Luc</a> (LBL, Berkeley) ; <a href="https://cds.cern.ch/search?f=author&p=Vieira%2C%20Jorge&ln=no">Vieira, Jorge</a> (Lisbon, IST) ; <a href="https://cds.cern.ch/search?f=author&p=Vincenti%2C%20Henri&ln=no">Vincenti, Henri</a> (Saclay) ; <a href="https://cds.cern.ch/search?f=author&p=Walczak%2C%20Roman&ln=no">Walczak, Roman</a> (JAI, UK) ; <a href="https://cds.cern.ch/search?f=author&p=Wang%2C%20Dan&ln=no">Wang, Dan</a> (Tsinghua U., Beijing) ; <a href="https://cds.cern.ch/search?f=author&p=Webb%2C%20Stephan&ln=no">Webb, Stephan</a> (RadiaSoft, Boulder) ; <a href="https://cds.cern.ch/search?f=author&p=White%2C%20Glen&ln=no">White, Glen</a> (SLAC, SSRL) ; <a href="https://cds.cern.ch/search?f=author&p=Xia%2C%20Guoxing&ln=no">Xia, Guoxing</a> (Manchester U.) ; <a href="https://cds.cern.ch/search?f=author&p=Yamamoto%2C%20Hitoshi&ln=no">Yamamoto, Hitoshi</a> (Tohoku U.) ; <a href="https://cds.cern.ch/search?f=author&p=You%2C%20Tevong&ln=no">You, Tevong</a> (Cambridge U., DAMTP) ; <a href="https://cds.cern.ch/search?f=author&p=Zagorodnov%2C%20Igor&ln=no">Zagorodnov, Igor</a> (DESY)</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;">2019</td></tr>  <script type="text/javascript"> /* * Changes the Imprint title to Date - Duration as requested by RQF0820114 * This is a hack not to touch the general imprint format element */ $(document).ready(function() { var collections = 'PREPRINT'; if (collections.indexOf('E-LEARNING') > -1) { $('.cern-imprint-label').text('Date - Duration'); } }) </script> <tr><td class="formatRecordLabel cern-imprint-label"> Imprint </td><td style="padding-left:5px;">2019-01-25</td></tr> <tr><td class="formatRecordLabel"> Number of pages </td><td style="padding-left:5px;">83</td></tr>  <tr><td class="formatRecordLabel"> Note </td><td style="padding-left:5px;">83 pages</td></tr> <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">physics.acc-ph ; Accelerators and Storage Rings</td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">This document provides detailed information on the status of Advanced and Novel Accelerators techniques and describes the steps that need to be envisaged for their implementation in future accelerators, in particular for high energy physics applications. It complements the overview prepared for the update of the European Strategy for particle physics, and provides a detailed description of the field. The scientific priorities of the community are described for each technique of acceleration able to achieve accelerating gradient in the GeV range or above. ALEGRO working group leaders have coordinated the preparation of their working group contribution and contributed to editing the documents. The preparation of this document was coordinated by the Advanced LinEar collider study GROup, ALEGRO. The content was defined through discussions at the ALEGRO workshop in Oxford UK, March 2018, and an advanced draft was discussed during a one day meeting prior to the AAC workshop in Breckenridge, CO, USA, August 2018. This document was submitted as an addendum to the ALEGRO submission to the European Strategy for Particle Physics.</td></tr> <tr><td class="formatRecordLabel"> Other source </td><td style="padding-left:5px;"><a href="http://inspirehep.net/record/1717546">Inspire</a></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>)</td></tr> </table> <br /><div style="max-width:1024px;margin:auto"><div style="overflow-x:auto;display:inline;width:100%;"><a href="/record/2661806/plots#0"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2661806/files/roadmap.png" title=" Road map toward the development of an SWFA-based linear collider." width="200px"/></a> <a href="/record/2661806/plots#1"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2661806/files/physics_case.png" title=" Plots of (a) cross section of Higgs production as a function fo center-of-mass energy for a Higgs mass of 120 GeV from Ref. \cite{blanco:thesis:2015}; and (b) luminosities of proposed future e+e- colliders from Ref. \cite{zhu:2015}" width="200px"/></a> <a href="/record/2661806/plots#2"><img style="vertical-align:middle;" src="https://cds.cern.ch/record/2661806/files/Laser_Schematic.png" title=" Conceptual laser system baseline design for a multi-stage DLA accelerator with $M$ local oscillators, showing (a) block diagram as outlined in Ref. \cite{dla:2011} and (b) a simplified component-level schematic." width="200px"/></a> <a href='/record/2661806/plots'>Show more plots</a></div></div><br /> <br/><div><div style="clear: both;"> </div></div> <script type="text/javascript"> // Initially hide: $(".longCaption").hide(); // Allow to toggle visibility: $(".toggleLongCaption").toggle(function(){ $(this).siblings(".longCaption").show('fast'); var thisElem = $(this); thisElem.text(thisElem.text() === "mer" ? 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