CINXE.COM
CERN - Wicipedia
<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available" lang="cy" dir="ltr"> <head> <meta charset="UTF-8"> <title>CERN - Wicipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-disabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )cywikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy" ,"wgMonthNames":["","Ionawr","Chwefror","Mawrth","Ebrill","Mai","Mehefin","Gorffennaf","Awst","Medi","Hydref","Tachwedd","Rhagfyr"],"wgRequestId":"bba4d728-cd28-42c9-a7ca-917f346f068e","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"CERN","wgTitle":"CERN","wgCurRevisionId":12829228,"wgRevisionId":12829228,"wgArticleId":49690,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Tudalennau gyda meysydd deublyg yn y Nodion","Pages using the JsonConfig extension","Erthyglau sy'n defnyddio Nodyn Gwybodlen pethau Wicidata","Webarchive template wayback links","Pages using the Kartographer extension","Egin ffiseg","Ffiseg","Y Swistir"],"wgPageViewLanguage":"cy","wgPageContentLanguage":"cy","wgPageContentModel":"wikitext","wgRelevantPageName":"CERN","wgRelevantArticleId":49690,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove": [],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":true,"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"cy","pageLanguageDir":"ltr","pageVariantFallbacks":"cy"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":6000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q42944","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE ={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.kartographer.style":"ready","ext.cite.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["ext.kartographer.staticframe","ext.cite.ux-enhancements","site","mediawiki.page.ready","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface", "ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=cy&modules=ext.cite.styles%7Cext.kartographer.style%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=cy&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=cy&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/CERN-aerial_1.jpg/1200px-CERN-aerial_1.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="676"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/CERN-aerial_1.jpg/800px-CERN-aerial_1.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="450"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/9/90/CERN-aerial_1.jpg/640px-CERN-aerial_1.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="360"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="CERN - Wicipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//cy.m.wikipedia.org/wiki/CERN"> <link rel="alternate" type="application/x-wiki" title="Golygu" href="/w/index.php?title=CERN&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wicipedia (cy)"> <link rel="EditURI" type="application/rsd+xml" href="//cy.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://cy.wikipedia.org/wiki/CERN"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.cy"> <link rel="alternate" type="application/atom+xml" title="Ffrwd Atom Wicipedia" href="/w/index.php?title=Arbennig:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-CERN rootpage-CERN skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Neidio i'r cynnwys</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Safle"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Prif ddewislen" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Prif ddewislen</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Prif ddewislen</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">cuddio</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Panel llywio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage" class="mw-list-item"><a href="/wiki/Hafan" title="Ymweld â'r Hafan [z]" accesskey="z"><span>Hafan</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wicipedia:Porth_y_Gymuned" title="Pethau i'w gwneud, adnoddau a thudalennau'r gymuned"><span>Porth y Gymuned</span></a></li><li id="n-cafe" class="mw-list-item"><a href="/wiki/Wicipedia:Y_Caffi"><span>Y Caffi</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Categori:Materion_cyfoes" title="Gwybodaeth yn gysylltiedig â materion cyfoes"><span>Materion cyfoes</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Arbennig:RecentChanges" title="Rhestr y newidiadau diweddar ar y wici. [r]" accesskey="r"><span>Newidiadau diweddar</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Arbennig:Random" title="Llwytho tudalen ar hap [x]" accesskey="x"><span>Erthygl ar hap</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wicipedia:Cymorth" title="Tudalennau cymorth"><span>Cymorth</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Hafan" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wicipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-cy.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-cy.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Arbennig:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Chwilio Wicipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Chwilio</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Chwilio Wicipedia" aria-label="Chwilio Wicipedia" autocapitalize="sentences" title="Chwilio Wicipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Arbennig:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Chwilio</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Offer personol"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Newidiwch ymddangosiad maint ffont, lled a lliw y dudalen" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Gwedd" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Gwedd</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cy.wikipedia.org&uselang=cy" class=""><span>Rhoi</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Arbennig:CreateAccount&returnto=CERN" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol" class=""><span>Creu cyfrif</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Arbennig:UserLogin&returnto=CERN" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o" class=""><span>Mewngofnodi</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Rhagor o opsiynau" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Offer personol" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Offer personol</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Dewislen defnyddiwr" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_cy.wikipedia.org&uselang=cy"><span>Rhoi</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:CreateAccount&returnto=CERN" title="Rydym yn argymell eich bod yn creu cyfri ac yn menwgofnodi. Fodd bynnag, dydy hyn ddim yn orfodol"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Creu cyfrif</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Arbennig:UserLogin&returnto=CERN" title="Fe'ch anogir i fewngofnodi, er nad oes rhaid gwneud. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Mewngofnodi</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Tudalennau ar gyfer golygyddion allgofnodedig <a href="/wiki/Cymorth:Cyflwyniad" aria-label="Dysgu mwy am olygu"><span>dysgu mwy</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Arbennig:MyContributions" title="Rhestr golygiadau o'r cyfeiriad IP hwn [y]" accesskey="y"><span>Cyfraniadau</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Arbennig:MyTalk" title="Sgwrs ynglŷn â golygiadau o'r cyfeiriad IP hwn [n]" accesskey="n"><span>Sgwrs</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Safle"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Cynnwys" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Cynnwys</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">cuddio</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Y dechrau</div> </a> </li> <li id="toc-Hanes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Hanes"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Hanes</span> </div> </a> <ul id="toc-Hanes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Darganfyddiadau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Darganfyddiadau"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Darganfyddiadau</span> </div> </a> <ul id="toc-Darganfyddiadau-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Y_cyfrifiadur" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Y_cyfrifiadur"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Y cyfrifiadur</span> </div> </a> <ul id="toc-Y_cyfrifiadur-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Cyfeiriadau" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Cyfeiriadau"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Cyfeiriadau</span> </div> </a> <ul id="toc-Cyfeiriadau-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Dolenni_allanol" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Dolenni_allanol"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Dolenni allanol</span> </div> </a> <ul id="toc-Dolenni_allanol-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Cynnwys" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toglo'r tabl cynnwys" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toglo'r tabl cynnwys</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">CERN</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ewch i erthygl mewn iaith arall. Ar gael mewn 92 iaith" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-92" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">92 iaith</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/CERN" title="CERN - Affricaneg" lang="af" hreflang="af" data-title="CERN" data-language-autonym="Afrikaans" data-language-local-name="Affricaneg" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/CERN" title="CERN - Almaeneg y Swistir" lang="gsw" hreflang="gsw" data-title="CERN" data-language-autonym="Alemannisch" data-language-local-name="Almaeneg y Swistir" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Organizaci%C3%B3n_Europea_ta_la_Investigaci%C3%B3n_Nucleyar" title="Organización Europea ta la Investigación Nucleyar - Aragoneg" lang="an" hreflang="an" data-title="Organización Europea ta la Investigación Nucleyar" data-language-autonym="Aragonés" data-language-local-name="Aragoneg" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D9%8A%D8%B1%D9%86" title="سيرن - Arabeg" lang="ar" hreflang="ar" data-title="سيرن" data-language-autonym="العربية" data-language-local-name="Arabeg" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Organizaci%C3%B3n_Europea_pa_la_Investigaci%C3%B3n_Nuclear" title="Organización Europea pa la Investigación Nuclear - Astwrianeg" lang="ast" hreflang="ast" data-title="Organización Europea pa la Investigación Nuclear" data-language-autonym="Asturianu" data-language-local-name="Astwrianeg" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/CERN" title="CERN - Aserbaijaneg" lang="az" hreflang="az" data-title="CERN" data-language-autonym="Azərbaycanca" data-language-local-name="Aserbaijaneg" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/CERN" title="CERN - Belarwseg" lang="be" hreflang="be" data-title="CERN" data-language-autonym="Беларуская" data-language-local-name="Belarwseg" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/CERN" title="CERN - Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="CERN" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%95%D0%B2%D1%80%D0%BE%D0%BF%D0%B5%D0%B9%D1%81%D0%BA%D0%B0_%D0%BE%D1%80%D0%B3%D0%B0%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F_%D0%B7%D0%B0_%D1%8F%D0%B4%D1%80%D0%B5%D0%BD%D0%B8_%D0%B8%D0%B7%D1%81%D0%BB%D0%B5%D0%B4%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F" title="Европейска организация за ядрени изследвания - Bwlgareg" lang="bg" hreflang="bg" data-title="Европейска организация за ядрени изследвания" data-language-autonym="Български" data-language-local-name="Bwlgareg" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A8%E0%A6%BF%E0%A6%89%E0%A6%95%E0%A7%8D%E0%A6%B2%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%97%E0%A6%AC%E0%A7%87%E0%A6%B7%E0%A6%A3%E0%A6%BE%E0%A6%B0_%E0%A6%9C%E0%A6%A8%E0%A7%8D%E0%A6%AF_%E0%A6%87%E0%A6%89%E0%A6%B0%E0%A7%8B%E0%A6%AA%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%B8%E0%A6%82%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE" title="নিউক্লীয় গবেষণার জন্য ইউরোপীয় সংস্থা - Bengaleg" lang="bn" hreflang="bn" data-title="নিউক্লীয় গবেষণার জন্য ইউরোপীয় সংস্থা" data-language-autonym="বাংলা" data-language-local-name="Bengaleg" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/CERN" title="CERN - Bosnieg" lang="bs" hreflang="bs" data-title="CERN" data-language-autonym="Bosanski" data-language-local-name="Bosnieg" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Organitzaci%C3%B3_Europea_per_a_la_Recerca_Nuclear" title="Organització Europea per a la Recerca Nuclear - Catalaneg" lang="ca" hreflang="ca" data-title="Organització Europea per a la Recerca Nuclear" data-language-autonym="Català" data-language-local-name="Catalaneg" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/CERN" title="CERN - Cebuano" lang="ceb" hreflang="ceb" data-title="CERN" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%B3%DB%8E%D8%B1%D9%86" title="سێرن - Cwrdeg Sorani" lang="ckb" hreflang="ckb" data-title="سێرن" data-language-autonym="کوردی" data-language-local-name="Cwrdeg Sorani" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Evropsk%C3%A1_organizace_pro_jadern%C3%BD_v%C3%BDzkum" title="Evropská organizace pro jaderný výzkum - Tsieceg" lang="cs" hreflang="cs" data-title="Evropská organizace pro jaderný výzkum" data-language-autonym="Čeština" data-language-local-name="Tsieceg" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/CERN" title="CERN - Tshwfasheg" lang="cv" hreflang="cv" data-title="CERN" data-language-autonym="Чӑвашла" data-language-local-name="Tshwfasheg" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/CERN" title="CERN - Daneg" lang="da" hreflang="da" data-title="CERN" data-language-autonym="Dansk" data-language-local-name="Daneg" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/CERN" title="CERN - Almaeneg" lang="de" hreflang="de" data-title="CERN" data-language-autonym="Deutsch" data-language-local-name="Almaeneg" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/CERN" title="CERN - Zazaki" lang="diq" hreflang="diq" data-title="CERN" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/CERN" title="CERN - Groeg" lang="el" hreflang="el" data-title="CERN" data-language-autonym="Ελληνικά" data-language-local-name="Groeg" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/CERN" title="CERN - Saesneg" lang="en" hreflang="en" data-title="CERN" data-language-autonym="English" data-language-local-name="Saesneg" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/CERN" title="CERN - Esperanto" lang="eo" hreflang="eo" data-title="CERN" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Organizaci%C3%B3n_Europea_para_la_Investigaci%C3%B3n_Nuclear" title="Organización Europea para la Investigación Nuclear - Sbaeneg" lang="es" hreflang="es" data-title="Organización Europea para la Investigación Nuclear" data-language-autonym="Español" data-language-local-name="Sbaeneg" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/CERN" title="CERN - Estoneg" lang="et" hreflang="et" data-title="CERN" data-language-autonym="Eesti" data-language-local-name="Estoneg" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Ikerketa_Nuklearrerako_Europako_Kontseilua" title="Ikerketa Nuklearrerako Europako Kontseilua - Basgeg" lang="eu" hreflang="eu" data-title="Ikerketa Nuklearrerako Europako Kontseilua" data-language-autonym="Euskara" data-language-local-name="Basgeg" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%D8%B1%D9%86" title="سرن - Perseg" lang="fa" hreflang="fa" data-title="سرن" data-language-autonym="فارسی" data-language-local-name="Perseg" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Cern" title="Cern - Ffinneg" lang="fi" hreflang="fi" data-title="Cern" data-language-autonym="Suomi" data-language-local-name="Ffinneg" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Organisation_europ%C3%A9enne_pour_la_recherche_nucl%C3%A9aire" title="Organisation européenne pour la recherche nucléaire - Ffrangeg" lang="fr" hreflang="fr" data-title="Organisation européenne pour la recherche nucléaire" data-language-autonym="Français" data-language-local-name="Ffrangeg" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/CERN" title="CERN - Gwyddeleg" lang="ga" hreflang="ga" data-title="CERN" data-language-autonym="Gaeilge" data-language-local-name="Gwyddeleg" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Organizaci%C3%B3n_Europea_para_a_Investigaci%C3%B3n_Nuclear" title="Organización Europea para a Investigación Nuclear - Galisieg" lang="gl" hreflang="gl" data-title="Organización Europea para a Investigación Nuclear" data-language-autonym="Galego" data-language-local-name="Galisieg" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/CERN" title="CERN - Hebraeg" lang="he" hreflang="he" data-title="CERN" data-language-autonym="עברית" data-language-local-name="Hebraeg" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AF%E0%A5%82%E0%A4%B0%E0%A5%8B%E0%A4%AA%E0%A5%80%E0%A4%AF_%E0%A4%A8%E0%A4%BE%E0%A4%AD%E0%A4%BF%E0%A4%95%E0%A5%80%E0%A4%AF_%E0%A4%85%E0%A4%A8%E0%A5%81%E0%A4%B8%E0%A4%82%E0%A4%A7%E0%A4%BE%E0%A4%A8_%E0%A4%B8%E0%A4%82%E0%A4%97%E0%A4%A0%E0%A4%A8" title="यूरोपीय नाभिकीय अनुसंधान संगठन - Hindi" lang="hi" hreflang="hi" data-title="यूरोपीय नाभिकीय अनुसंधान संगठन" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/CERN" title="CERN - Croateg" lang="hr" hreflang="hr" data-title="CERN" data-language-autonym="Hrvatski" data-language-local-name="Croateg" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/CERN" title="CERN - Hwngareg" lang="hu" hreflang="hu" data-title="CERN" data-language-autonym="Magyar" data-language-local-name="Hwngareg" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%91%D4%B5%D5%8C%D5%86" title="ՑԵՌՆ - Armeneg" lang="hy" hreflang="hy" data-title="ՑԵՌՆ" data-language-autonym="Հայերեն" data-language-local-name="Armeneg" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/CERN" title="CERN - Indoneseg" lang="id" hreflang="id" data-title="CERN" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indoneseg" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Europana_Organizuro_por_Nukleara_Serchado" title="Europana Organizuro por Nukleara Serchado - Ido" lang="io" hreflang="io" data-title="Europana Organizuro por Nukleara Serchado" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/CERN" title="CERN - Islandeg" lang="is" hreflang="is" data-title="CERN" data-language-autonym="Íslenska" data-language-local-name="Islandeg" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/CERN" title="CERN - Eidaleg" lang="it" hreflang="it" data-title="CERN" data-language-autonym="Italiano" data-language-local-name="Eidaleg" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%AC%A7%E5%B7%9E%E5%8E%9F%E5%AD%90%E6%A0%B8%E7%A0%94%E7%A9%B6%E6%A9%9F%E6%A7%8B" title="欧州原子核研究機構 - Japaneeg" lang="ja" hreflang="ja" data-title="欧州原子核研究機構" data-language-autonym="日本語" data-language-local-name="Japaneeg" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%91%E1%83%98%E1%83%A0%E1%83%97%E1%83%95%E1%83%A3%E1%83%9A%E1%83%98_%E1%83%99%E1%83%95%E1%83%9A%E1%83%94%E1%83%95%E1%83%94%E1%83%91%E1%83%98%E1%83%A1_%E1%83%94%E1%83%95%E1%83%A0%E1%83%9D%E1%83%9E%E1%83%A3%E1%83%9A%E1%83%98_%E1%83%9D%E1%83%A0%E1%83%92%E1%83%90%E1%83%9C%E1%83%98%E1%83%96%E1%83%90%E1%83%AA%E1%83%98%E1%83%90" title="ბირთვული კვლევების ევროპული ორგანიზაცია - Georgeg" lang="ka" hreflang="ka" data-title="ბირთვული კვლევების ევროპული ორგანიზაცია" data-language-autonym="ქართული" data-language-local-name="Georgeg" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/CERN" title="CERN - Casacheg" lang="kk" hreflang="kk" data-title="CERN" data-language-autonym="Қазақша" data-language-local-name="Casacheg" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/CERN" title="CERN - Chmereg" lang="km" hreflang="km" data-title="CERN" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="Chmereg" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9C%A0%EB%9F%BD_%EC%9E%85%EC%9E%90_%EB%AC%BC%EB%A6%AC_%EC%97%B0%EA%B5%AC%EC%86%8C" title="유럽 입자 물리 연구소 - Coreeg" lang="ko" hreflang="ko" data-title="유럽 입자 물리 연구소" data-language-autonym="한국어" data-language-local-name="Coreeg" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/CERN" title="CERN - Cwrdeg" lang="ku" hreflang="ku" data-title="CERN" data-language-autonym="Kurdî" data-language-local-name="Cwrdeg" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/CERN" title="CERN - Lladin" lang="la" hreflang="la" data-title="CERN" data-language-autonym="Latina" data-language-local-name="Lladin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/CERN" title="CERN - Lwcsembwrgeg" lang="lb" hreflang="lb" data-title="CERN" data-language-autonym="Lëtzebuergesch" data-language-local-name="Lwcsembwrgeg" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lld mw-list-item"><a href="https://lld.wikipedia.org/wiki/CERN" title="CERN - Ladin" lang="lld" hreflang="lld" data-title="CERN" data-language-autonym="Ladin" data-language-local-name="Ladin" class="interlanguage-link-target"><span>Ladin</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/CERN" title="CERN - Lithwaneg" lang="lt" hreflang="lt" data-title="CERN" data-language-autonym="Lietuvių" data-language-local-name="Lithwaneg" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/CERN" title="CERN - Latfieg" lang="lv" hreflang="lv" data-title="CERN" data-language-autonym="Latviešu" data-language-local-name="Latfieg" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A6%D0%95%D0%A0%D0%9D" title="ЦЕРН - Macedoneg" lang="mk" hreflang="mk" data-title="ЦЕРН" data-language-autonym="Македонски" data-language-local-name="Macedoneg" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AF%E0%B5%82%E0%B4%B1%E0%B5%8B%E0%B4%AA%E0%B5%8D%E0%B4%AF%E0%B5%BB_%E0%B4%93%E0%B5%BC%E0%B4%97%E0%B4%A8%E0%B5%88%E0%B4%B8%E0%B5%87%E0%B4%B7%E0%B5%BB_%E0%B4%AB%E0%B5%8B%E0%B5%BC_%E0%B4%A8%E0%B5%8D%E0%B4%AF%E0%B5%82%E0%B4%95%E0%B5%8D%E0%B4%B2%E0%B4%BF%E0%B4%AF%E0%B5%BC_%E0%B4%B1%E0%B4%BF%E0%B4%B8%E0%B5%BC%E0%B4%9A%E0%B5%8D%E0%B4%9A%E0%B5%8D" title="യൂറോപ്യൻ ഓർഗനൈസേഷൻ ഫോർ ന്യൂക്ലിയർ റിസർച്ച് - Malayalam" lang="ml" hreflang="ml" data-title="യൂറോപ്യൻ ഓർഗനൈസേഷൻ ഫോർ ന്യൂക്ലിയർ റിസർച്ച്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%95%D0%B2%D1%80%D0%BE%D0%BF%D1%8B%D0%BD_%D0%A6%D3%A9%D0%BC%D0%B8%D0%B9%D0%BD_%D0%A1%D1%83%D0%B4%D0%B0%D0%BB%D0%B3%D0%B0%D0%B0%D0%BD%D1%8B_%D0%91%D0%B0%D0%B9%D0%B3%D1%83%D1%83%D0%BB%D0%BB%D0%B0%D0%B3%D0%B0" title="Европын Цөмийн Судалгааны Байгууллага - Mongoleg" lang="mn" hreflang="mn" data-title="Европын Цөмийн Судалгааны Байгууллага" data-language-autonym="Монгол" data-language-local-name="Mongoleg" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B0%E0%A5%8D%E0%A4%A8" title="सेर्न - Marathi" lang="mr" hreflang="mr" data-title="सेर्न" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/CERN" title="CERN - Maleieg" lang="ms" hreflang="ms" data-title="CERN" data-language-autonym="Bahasa Melayu" data-language-local-name="Maleieg" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/CERN" title="CERN - Iseldireg" lang="nl" hreflang="nl" data-title="CERN" data-language-autonym="Nederlands" data-language-local-name="Iseldireg" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/CERN" title="CERN - Norwyeg Nynorsk" lang="nn" hreflang="nn" data-title="CERN" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwyeg Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/CERN" title="CERN - Norwyeg Bokmål" lang="nb" hreflang="nb" data-title="CERN" data-language-autonym="Norsk bokmål" data-language-local-name="Norwyeg Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Organizacion_Europ%C3%A8a_per_la_Rec%C3%A8rca_Nucleara" title="Organizacion Europèa per la Recèrca Nucleara - Ocsitaneg" lang="oc" hreflang="oc" data-title="Organizacion Europèa per la Recèrca Nucleara" data-language-autonym="Occitan" data-language-local-name="Ocsitaneg" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/CERN" title="CERN - Pwyleg" lang="pl" hreflang="pl" data-title="CERN" data-language-autonym="Polski" data-language-local-name="Pwyleg" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%B3%D8%B1%D9%86" title="سرن - Western Punjabi" lang="pnb" hreflang="pnb" data-title="سرن" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Organiza%C3%A7%C3%A3o_Europeia_para_a_Investiga%C3%A7%C3%A3o_Nuclear" title="Organização Europeia para a Investigação Nuclear - Portiwgaleg" lang="pt" hreflang="pt" data-title="Organização Europeia para a Investigação Nuclear" data-language-autonym="Português" data-language-local-name="Portiwgaleg" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/CERN" title="CERN - Rwmaneg" lang="ro" hreflang="ro" data-title="CERN" data-language-autonym="Română" data-language-local-name="Rwmaneg" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A6%D0%95%D0%A0%D0%9D" title="ЦЕРН - Rwseg" lang="ru" hreflang="ru" data-title="ЦЕРН" data-language-autonym="Русский" data-language-local-name="Rwseg" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%B8%E0%A5%80_%E0%A4%87_%E0%A4%86%E0%A4%B0%E0%A5%8D_%E0%A4%8F%E0%A4%A8%E0%A5%8D" title="सी इ आर् एन् - Sansgrit" lang="sa" hreflang="sa" data-title="सी इ आर् एन्" data-language-autonym="संस्कृतम्" data-language-local-name="Sansgrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/CERN" title="CERN - Sisileg" lang="scn" hreflang="scn" data-title="CERN" data-language-autonym="Sicilianu" data-language-local-name="Sisileg" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/CERN" title="CERN - Sgoteg" lang="sco" hreflang="sco" data-title="CERN" data-language-autonym="Scots" data-language-local-name="Sgoteg" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/CERN" title="CERN - Sami Gogleddol" lang="se" hreflang="se" data-title="CERN" data-language-autonym="Davvisámegiella" data-language-local-name="Sami Gogleddol" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/CERN" title="CERN - Serbo-Croateg" lang="sh" hreflang="sh" data-title="CERN" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croateg" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/CERN" title="CERN - Simple English" lang="en-simple" hreflang="en-simple" data-title="CERN" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Eur%C3%B3pska_organiz%C3%A1cia_pre_jadrov%C3%BD_v%C3%BDskum" title="Európska organizácia pre jadrový výskum - Slofaceg" lang="sk" hreflang="sk" data-title="Európska organizácia pre jadrový výskum" data-language-autonym="Slovenčina" data-language-local-name="Slofaceg" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Evropska_organizacija_za_jedrske_raziskave" title="Evropska organizacija za jedrske raziskave - Slofeneg" lang="sl" hreflang="sl" data-title="Evropska organizacija za jedrske raziskave" data-language-autonym="Slovenščina" data-language-local-name="Slofeneg" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Organizata_Evropiane_p%C3%ABr_K%C3%ABrkime_B%C3%ABrthamore" title="Organizata Evropiane për Kërkime Bërthamore - Albaneg" lang="sq" hreflang="sq" data-title="Organizata Evropiane për Kërkime Bërthamore" data-language-autonym="Shqip" data-language-local-name="Albaneg" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/CERN" title="CERN - Serbeg" lang="sr" hreflang="sr" data-title="CERN" data-language-autonym="Српски / srpski" data-language-local-name="Serbeg" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Cern" title="Cern - Swedeg" lang="sv" hreflang="sv" data-title="Cern" data-language-autonym="Svenska" data-language-local-name="Swedeg" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%90%E0%AE%B0%E0%AF%8B%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BF%E0%AE%AF_%E0%AE%85%E0%AE%A3%E0%AF%81_%E0%AE%86%E0%AE%B0%E0%AE%BE%E0%AE%AF%E0%AF%8D%E0%AE%9A%E0%AF%8D%E0%AE%9A%E0%AE%BF_%E0%AE%A8%E0%AE%BF%E0%AE%B1%E0%AF%81%E0%AE%B5%E0%AE%A9%E0%AE%AE%E0%AF%8D" title="ஐரோப்பிய அணு ஆராய்ச்சி நிறுவனம் - Tamileg" lang="ta" hreflang="ta" data-title="ஐரோப்பிய அணு ஆராய்ச்சி நிறுவனம்" data-language-autonym="தமிழ்" data-language-local-name="Tamileg" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B8%E0%B1%86%E0%B0%B0%E0%B1%8D%E0%B0%A8%E0%B1%8D" title="సెర్న్ - Telugu" lang="te" hreflang="te" data-title="సెర్న్" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AD%E0%B8%87%E0%B8%84%E0%B9%8C%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B8%A7%E0%B8%B4%E0%B8%88%E0%B8%B1%E0%B8%A2%E0%B8%99%E0%B8%B4%E0%B8%A7%E0%B9%80%E0%B8%84%E0%B8%A5%E0%B8%B5%E0%B8%A2%E0%B8%A3%E0%B9%8C%E0%B8%A2%E0%B8%B8%E0%B9%82%E0%B8%A3%E0%B8%9B" title="องค์การวิจัยนิวเคลียร์ยุโรป - Thai" lang="th" hreflang="th" data-title="องค์การวิจัยนิวเคลียร์ยุโรป" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Avrupa_N%C3%BCkleer_Ara%C5%9Ft%C4%B1rma_Merkezi" title="Avrupa Nükleer Araştırma Merkezi - Tyrceg" lang="tr" hreflang="tr" data-title="Avrupa Nükleer Araştırma Merkezi" data-language-autonym="Türkçe" data-language-local-name="Tyrceg" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/Awrupan%C4%B1%C3%B1_T%C3%B6%C5%9F_Tik%C5%9Feren%C3%BCl%C3%A4re_Oy%C4%B1%C5%9Fmas%C4%B1" title="Awrupanıñ Töş Tikşerenüläre Oyışması - Tatareg" lang="tt" hreflang="tt" data-title="Awrupanıñ Töş Tikşerenüläre Oyışması" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatareg" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/CERN" title="CERN - Wcreineg" lang="uk" hreflang="uk" data-title="CERN" data-language-autonym="Українська" data-language-local-name="Wcreineg" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B3%D8%B1%D9%86" title="سرن - Wrdw" lang="ur" hreflang="ur" data-title="سرن" data-language-autonym="اردو" data-language-local-name="Wrdw" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/CERN" title="CERN - Wsbeceg" lang="uz" hreflang="uz" data-title="CERN" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Wsbeceg" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Organizasion_Eoropea_par_%C5%82a_Investigasion_Nucleare" title="Organizasion Eoropea par ła Investigasion Nucleare - Feniseg" lang="vec" hreflang="vec" data-title="Organizasion Eoropea par ła Investigasion Nucleare" data-language-autonym="Vèneto" data-language-local-name="Feniseg" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/CERN" title="CERN - Fietnameg" lang="vi" hreflang="vi" data-title="CERN" data-language-autonym="Tiếng Việt" data-language-local-name="Fietnameg" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/CERN" title="CERN - Winarayeg" lang="war" hreflang="war" data-title="CERN" data-language-autonym="Winaray" data-language-local-name="Winarayeg" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%AC%A7%E6%B4%B2%E6%A0%B8%E5%AD%90%E7%A0%94%E7%A9%B6%E4%B8%AD%E5%BF%83" title="欧洲核子研究中心 - Wu Tsieineaidd" lang="wuu" hreflang="wuu" data-title="欧洲核子研究中心" data-language-autonym="吴语" data-language-local-name="Wu Tsieineaidd" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/CERN" title="CERN - Mingrelian" lang="xmf" hreflang="xmf" data-title="CERN" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/CERN" title="CERN - Iorwba" lang="yo" hreflang="yo" data-title="CERN" data-language-autonym="Yorùbá" data-language-local-name="Iorwba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%AD%90%E6%B4%B2%E6%A0%B8%E5%AD%90%E7%A0%94%E7%A9%B6%E7%B5%84%E7%B9%94" title="歐洲核子研究組織 - Tsieinëeg" lang="zh" hreflang="zh" data-title="歐洲核子研究組織" data-language-autonym="中文" data-language-local-name="Tsieinëeg" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/CERN" title="CERN - Minnan" lang="nan" hreflang="nan" data-title="CERN" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%AD%90%E6%B4%B2%E6%A0%B8%E7%A0%94%E7%A9%B6%E7%B5%84%E7%B9%94" title="歐洲核研究組織 - Cantoneeg" lang="yue" hreflang="yue" data-title="歐洲核研究組織" data-language-autonym="粵語" data-language-local-name="Cantoneeg" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q42944#sitelinks-wikipedia" title="Golygu dolenni rhyngwici" class="wbc-editpage">Golygu dolenni</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Parthau"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/CERN" title="Gweld y dudalen bwnc [c]" accesskey="c"><span>Erthygl</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Sgwrs:CERN" rel="discussion" title="Sgwrsio am y dudalen [t]" accesskey="t"><span>Sgwrs</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Newid amrywiad iaith" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Cymraeg</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Golygon"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/CERN"><span>Darllen</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=CERN&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=CERN&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=CERN&action=history" title="Fersiynau cynt o'r dudalen hon. [h]" accesskey="h"><span>Gweld hanes</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Blwch offer" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Blwch offer</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Blwch offer</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">cuddio</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Rhagor o opsiynau" > <div class="vector-menu-heading"> Gweithredoedd </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/CERN"><span>Darllen</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=CERN&veaction=edit" title="Golygu'r dudalen hon [v]" accesskey="v"><span>Golygu</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=CERN&action=edit" title="Golygu cod ffynhonnell y dudalen hon [e]" accesskey="e"><span>Golygu cod</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=CERN&action=history"><span>Gweld hanes</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Cyffredinol </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Arbennig:WhatLinksHere/CERN" title="Rhestr o bob tudalen sy'n cysylltu â hon [j]" accesskey="j"><span>Beth sy'n cysylltu yma</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Arbennig:RecentChangesLinked/CERN" rel="nofollow" title="Newidiadau diweddar i dudalennau sydd yn cysylltu â hon [k]" accesskey="k"><span>Newidiadau perthnasol</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Arbennig:SpecialPages" title="Rhestr o'r holl dudalennau arbennig [q]" accesskey="q"><span>Tudalennau arbennig</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=CERN&oldid=12829228" title="Dolen barhaol i'r fersiwn hwn y dudalen hon"><span>Dolen barhaol</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=CERN&action=info" title="Mwy o wybodaeth am y dudalen hon"><span>Gwybodaeth am y dudalen</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Arbennig:CiteThisPage&page=CERN&id=12829228&wpFormIdentifier=titleform" title="Gwybodaeth ar sut i gyfeirio at y dudalen hon"><span>Cyfeirio at y dudalen hon</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Arbennig:UrlShortener&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FCERN"><span>Cael URL byr</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Arbennig:QrCode&url=https%3A%2F%2Fcy.wikipedia.org%2Fwiki%2FCERN"><span>Lawrlwytho cod QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Argraffu / allforio </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Arbennig:Book&bookcmd=book_creator&referer=CERN"><span>Llunio llyfr</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Arbennig:DownloadAsPdf&page=CERN&action=show-download-screen"><span>Lawrlwytho fel PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=CERN&printable=yes" title="Cynhyrchwch fersiwn o'r dudalen yn barod at ei hargraffu [p]" accesskey="p"><span>Fersiwn argraffu</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Mewn prosiectau eraill </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/CERN" hreflang="en"><span>Comin Wikimedia</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q42944" title="Cysylltu i eitem ystorfa gysylltiedig [g]" accesskey="g"><span>Eitem Wicidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Offer tudalen"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Gwedd"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Gwedd</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">symud i'r bar ochr</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">cuddio</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Oddi ar Wicipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="cy" dir="ltr"><table class="infobox" style="width:22em"><caption>CERN</caption><tbody><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Delwedd:CERN-aerial_1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/CERN-aerial_1.jpg/220px-CERN-aerial_1.jpg" decoding="async" width="220" height="124" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/CERN-aerial_1.jpg/330px-CERN-aerial_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/CERN-aerial_1.jpg/440px-CERN-aerial_1.jpg 2x" data-file-width="4320" data-file-height="2432" /></a></span></td></tr><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Delwedd:CERN_(7825770258).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/CERN_%287825770258%29.jpg/220px-CERN_%287825770258%29.jpg" decoding="async" width="220" height="146" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/94/CERN_%287825770258%29.jpg/330px-CERN_%287825770258%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/94/CERN_%287825770258%29.jpg/440px-CERN_%287825770258%29.jpg 2x" data-file-width="4288" data-file-height="2848" /></a></span></td></tr><tr><th scope="row">Enghraifft o'r canlynol</th><td>sefydliad rhyngwladol, nuclear research institute <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P31" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Label brodorol</th><td>Conseil Européen pour la Recherche Nucléaire (CERN) <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P1705" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Dechrau/Sefydlu</th><td>29 Medi 1954 <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P571" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Yn cynnwys</th><td>Llyfrgell CERN <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P527" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Lleoliad yr archif</th><td>Niels Bohr Library & Archives <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P485" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><td colspan="2" style="text-align:center"><a class="mw-kartographer-map notheme mw-kartographer-container center" style="width: 280px; height: 250px;" data-mw-kartographer="mapframe" data-style="osm-intl" data-width="280" data-height="250" data-zoom="8" data-lat="46.234493" data-lon="6.049129" data-overlays="["_bb9d8004532c1fefff4e4f60598f2a19a31d2f17"]" href="/wiki/Arbennig:Map/8/46.234493/6.049129/cy"><img src="https://maps.wikimedia.org/img/osm-intl,8,46.234493,6.049129,280x250.png?lang=cy&domain=cy.wikipedia.org&title=CERN&revid=12829228&groups=_bb9d8004532c1fefff4e4f60598f2a19a31d2f17" width="280" height="250" decoding="async" srcset="https://maps.wikimedia.org/img/osm-intl,8,46.234493,6.049129,280x250@2x.png?lang=cy&domain=cy.wikipedia.org&title=CERN&revid=12829228&groups=_bb9d8004532c1fefff4e4f60598f2a19a31d2f17 2x" alt="Map" /></a></td></tr><tr><th scope="row">Aelod o'r  canlynol</th><td>ORCID, Digital Preservation Coalition, Linux Foundation, World Wide Web Consortium, Global Open Science Hardware, arXiv, DataCite, Open Access Scholarly Publishers Association, Coalition for Advancing Research Assessment, European Open Science Cloud Association, UNESCO Global Open Science Partnership <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P463" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Gweithwyr</th><td>2,635 <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P1128" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Ffurf gyfreithiol</th><td>Internationale Organisation <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P1454" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Pencadlys</th><td>Prévessin-Moëns, Meyrin <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P159" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Enw brodorol</th><td>Organisation européenne pour la recherche nucléaire <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P1705" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Gwladwriaeth</th><td><a href="/wiki/Y_Swistir" title="Y Swistir">Y Swistir</a>, <a href="/wiki/Ffrainc" title="Ffrainc">Ffrainc</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P17" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><th scope="row">Gwefan</th><td><a rel="nofollow" class="external free" href="https://home.cern">https://home.cern</a>, <a rel="nofollow" class="external free" href="https://home.cern/fr">https://home.cern/fr</a> <span class="penicon autoconfirmed-show"><span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q42944?uselang=cy#P856" title="Edit this on Wikidata"><img alt="Edit this on Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></td></tr><tr><td colspan="2" style="text-align:center"><span typeof="mw:File"><span title="Tudalen Comin"><img alt="Tudalen Comin" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="https://commons.wikimedia.org/wiki/Category:CERN" class="extiw" title="commons:Category:CERN">Ffeiliau perthnasol ar Gomin Wicimedia</a></td></tr></tbody></table> <p>Cyfundrefn ar gyfer ymchwil niwclear ar raddfa <a href="/wiki/Atom" title="Atom">atomig</a> ac is-atomig yw'r <b>Cyfundrefn Ewropeaidd dros Ymchwil Niwclear</b> (<a href="/wiki/Ffrangeg" title="Ffrangeg">Ffrangeg</a>: <i>Organisation Européenne pour la Recherche Nucléaire</i> - yn gynt <i>Conseil Européen pour la Recherche Nucléaire</i>), a adnabyddir fel <b>CERN</b> (sef: /ˈsɝːn/ (IPA: [sɛʀn]) yn Ffrangeg). </p><p>CERN yw labordy <a href="/wiki/Ffiseg_gronynnau" title="Ffiseg gronynnau">ffiseg gronynnau</a> (Saesneg: <i>particle physics laboratory</i>) mwya'r byd ac mae'n cynnwys cyflymydd gronynnau mwyaf pwerus y byd sydd wedi ei leoli yn yr ardal rhwng y mynyddoedd Jura a'r Alpau yn y Swistir yn agos i ffin Ffrainc. Mae dros 2,600 o staff llawn-amser a 7,931 o wyddonwyr yn gweithio ar y prosiect. Mae dros 20 o wledydd Ewrop (gweler y map); yn cynnwys 580 prifysgol yn cyfrannu i'r prosiect. </p><p>Yn swyddogol, nid yw safleoedd CERN yn dod o dan oruchwyliaeth naill ai'r Swistir na Ffrainc. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Hanes">Hanes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CERN&veaction=edit&section=1" title="Golygu'r adran: Hanes" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=CERN&action=edit&section=1" title="Edit section's source code: Hanes"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ar 29 Medi 1954 daeth 11 gwlad gorllewin Ewrop at ei gilydd i arwyddo cytundeb a oedd yn eu clymu i'r prosiect hwn. Yn 1954 newidiwyd enw'r mudiad i <i>Organisation Européenne pour la Recherche Nucléaire</i> ond penderfynwyd cadw'r hen acronym CERN.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Yn fuan wedi ei sefydlu, datblygodd y gwaith i fod yn fwy nac ymchwil i mewn i'r <a href="/wiki/Niwclews_atomig" title="Niwclews atomig">niwclews atomig</a>, gan ymestyn i ynni-uwch, maes ffiseg sydd yn ymwneud â'r rhyngweithio rhwng gronynnau is-atomig ac felly, cyfeirir at CERN yn aml fel: <b>European laboratory for particle physics</b> (<i>Laboratoire européen pour la physique des particules</i>). </p><p><a href="/wiki/Lyn_Evans" title="Lyn Evans">Lyn Evans</a> o <a href="/wiki/Aberd%C3%A2r" title="Aberdâr">Aberdâr</a> oedd cyfarwyddwr y prosiect LHC. </p> <div class="mw-heading mw-heading2"><h2 id="Darganfyddiadau">Darganfyddiadau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CERN&veaction=edit&section=2" title="Golygu'r adran: Darganfyddiadau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=CERN&action=edit&section=2" title="Edit section's source code: Darganfyddiadau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mae nifer o ddarganfyddiadau ffiseg wedi'i wneud parthed â chnewyllyn yr atom yn CERN. Dyma rai ohonynt: </p> <ul><li>1973: Darganfod cerrynt niwtral yn Siambr Swigen Gargamelle<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li>1983: Darganfod <a href="/w/index.php?title=Bosonau_W_a_Z&action=edit&redlink=1" class="new" title="Bosonau W a Z (dim tudalen ar gael)">bosonau W a Z</a> yn arbrofion UA1 a UA2.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li> <li>1989: Darganfod sawl teulu o <a href="/w/index.php?title=Niwtrinos&action=edit&redlink=1" class="new" title="Niwtrinos (dim tudalen ar gael)">niwtrinos</a> sydd ar binacl boson Z.</li> <li>1995: Creu (am y tro cyntaf) atomau <a href="/wiki/Gwrthfater" title="Gwrthfater">Gwrth-hydrogen</a> yn arbrawf PS210.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></li> <li>1999: Darganfod <i>CP-violation</i> uniongyrchol yn arbrawf NA48 <sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></li> <li>2011: Cynnal atomau <a href="/wiki/Gwrthfater" title="Gwrthfater">Gwrth-hydrogen</a> yn yr arbrawf ALPHA am dros 15 munud<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></li> <li>2012: Cynhyrfu'r trosiad cyseiniol cwantwm cyntaf mewn gwrth-atom (<a href="/wiki/Gwrthfater" title="Gwrthfater">Gwrth-hydrogen</a>) gan defnyddio microdonnau yn yr arbrawf ALPHA<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></li> <li>2013: Darganfod yr Higgs Boson (cyhoeddiad petrus)</li></ul> <p>Yn 1984 cyflwynwyd y Wobr Nobel ffiseg i <a href="/w/index.php?title=Carlo_Rubbia&action=edit&redlink=1" class="new" title="Carlo Rubbia (dim tudalen ar gael)">Carlo Rubbia</a> a <a href="/w/index.php?title=Simon_van_der_Meer&action=edit&redlink=1" class="new" title="Simon van der Meer (dim tudalen ar gael)">Simon van der Meer</a> am eu gwaith yn paratoi'r ffordd i ddarganfod bosonau W a Z. </p><p>Yn 1992 aeth y Wobr Nobel ffiseg i'r ymchwilydd <a href="/w/index.php?title=Georges_Charpak&action=edit&redlink=1" class="new" title="Georges Charpak (dim tudalen ar gael)">Georges Charpak</a> o CERN am ei "ddarganfyddiad ac am ddatblygu synwyryddion cnewyllol." </p> <div class="mw-heading mw-heading2"><h2 id="Y_cyfrifiadur">Y cyfrifiadur</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CERN&veaction=edit&section=3" title="Golygu'r adran: Y cyfrifiadur" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=CERN&action=edit&section=3" title="Edit section's source code: Y cyfrifiadur"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dechreuodd y <a href="/wiki/Gwe_fyd-eang" class="mw-redirect" title="Gwe fyd-eang">we fyd-eang</a> yma yn CERN mewn prosiect o'r enw <a href="/w/index.php?title=ENQUIRE&action=edit&redlink=1" class="new" title="ENQUIRE (dim tudalen ar gael)">ENQUIRE</a>, a sefydlwyd gan Sir <a href="/wiki/Tim_Berners-Lee" title="Tim Berners-Lee">Tim Berners-Lee</a> a <a href="/w/index.php?title=Robert_Cailliau&action=edit&redlink=1" class="new" title="Robert Cailliau (dim tudalen ar gael)">Robert Cailliau</a> yn <a href="/w/index.php?title=1989_gwyddoniaeth&action=edit&redlink=1" class="new" title="1989 gwyddoniaeth (dim tudalen ar gael)">1989</a>. Roedd y prosiect yn ymwneud â thestun, neu uwch-destun a oedd yn cysylltu â'i gilydd. Ei bwrpas wrth gwrs oedd cysylltu'r holl wyddonwyr byd-eang oedd yn gweithio gyda'i gilydd. Ar 30 Ebrill 1993, cyhoeddodd CERN fod y We Fyd-eang (neu www) am ddim i bawb. Mae copi o'u gwefan gynharaf hefyd i'w weld.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> I roi hyn mewn cyd-destun, yn 1996 y lansiwyd y wefan Gymraeg cynhwysfawr gyntaf.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>Cyn y gwaith hwn ar y we, roedd CERN eisoes wedi bod yn flaenllaw iawn yn datblygu'r <a href="/wiki/Rhyngrwyd" class="mw-redirect" title="Rhyngrwyd">rhyngrwyd</a> gan gychwyn ar ddechrau'r 1980au.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Cyfeiriadau">Cyfeiriadau</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CERN&veaction=edit&section=4" title="Golygu'r adran: Cyfeiriadau" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=CERN&action=edit&section=4" title="Edit section's source code: Cyfeiriadau"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://public.web.cern.ch/Public/Content/Chapters/AboutCERN/WhatIsCERN/CERNName/CERNName-en.html">The CERN Name</a>. CERN.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://public.web.cern.ch/public/en/About/History73-en.html">1973: neutral currents are revealed</a>. CERN.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://public.web.cern.ch/public/en/About/History83-en.html">1983: discovery of the W and Z particles</a>. CERN.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://public.web.cern.ch/public/en/About/History95-en.html">1995: first observation of antihydrogen</a>. CERN.</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> V. Fanti et al. (1999). <a rel="nofollow" class="external text" href="http://arxiv.org/abs/hep-ex/9909022v1">A new measurement of direct CP violation in two pion decays of the neutral kaon</a>. Physics Letters.</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><a href="#cite_ref-6">↑</a></span> <span class="reference-text">Jonathan Amos [6 Mehefin 2011]<a rel="nofollow" class="external text" href="https://www.bbc.co.uk/news/science-environment-13666892">BBC © 2011</a> Retrieved 2011-06-06</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text"> <a rel="nofollow" class="external text" href="http://iopscience.iop.org/0031-9120/48/2/212/media">Gwrth-hydrogen mewn potel (Supplementary Material)</a>.</span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><a href="#cite_ref-8">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://www.w3.org/History/19921103-hypertext/hypertext/WWW/TheProject.html">World Wide Web</a>. W3.</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><a href="#cite_ref-9">↑</a></span> <span class="reference-text"> <a rel="nofollow" class="external text" href="http://www.barddoniaeth.com/">Rhedeg ar Wydr</a>.</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><a href="#cite_ref-10">↑</a></span> <span class="reference-text"><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> Ben Segal (Ebrill 1995). <a rel="nofollow" class="external text" href="http://www.cern.ch/ben/TCPHIST.html">A Short History of Internet Protocols at CERN</a>.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Dolenni_allanol">Dolenni allanol</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=CERN&veaction=edit&section=5" title="Golygu'r adran: Dolenni allanol" class="mw-editsection-visualeditor"><span>golygu</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=CERN&action=edit&section=5" title="Edit section's source code: Dolenni allanol"><span>golygu cod</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://www.cern.ch/">Gwefan swyddogol CERN</a></li> <li><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://news.bbc.co.uk/welsh/hi/newsid_7600000/newsid_7607600/7607677.stm">Newyddion BBC Cymru'r Byd</a> "Ceisio datgelu cyfrinachau'r byd"</li> <li><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="https://www.bbc.co.uk/sn/tvradio/programmes/horizon/broadband/tx/universe/"><i>The Six Billion dollar experiment</i> (dofen)</a></li> <li><span style="font-size:0.95em; font-weight:bold; color: var(--color-progressive--active, #233566);">(Saesneg)</span> <a rel="nofollow" class="external text" href="http://www.ingenia.org.uk/ingenia/articles.aspx?Index=489"><i>Engineering the Large Hadron Collider at CERN,</i></a><i> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20131002231102/http://www.ingenia.org.uk/ingenia/articles.aspx?index=489">Archifwyd</a> 2013-10-02 yn y <a href="/wiki/Peiriant_Wayback" title="Peiriant Wayback">Peiriant Wayback</a></i> gan y Cymro <a href="/wiki/Lyn_Evans" title="Lyn Evans">Lyn Evans</a> CBE, <i>Ingenia</i>, Mehefin 2008.</li></ul> <div style="clear: both; background-color: var(--background-color-neutral-subtle, #f8f9fa); color: inherit; border: 1px solid var(--border-color-base, #a2a9b1); padding: 5px; padding-left: 10px; text-align: left; font-size: 90%; margin-top: 1em;"><span typeof="mw:File"><a href="/wiki/Delwedd:Physics_template.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Physics_template.svg/34px-Physics_template.svg.png" decoding="async" width="34" height="34" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Physics_template.svg/51px-Physics_template.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ee/Physics_template.svg/68px-Physics_template.svg.png 2x" data-file-width="48" data-file-height="48" /></a></span> <i><a href="/wiki/Wicipedia:Eginyn" title="Wicipedia:Eginyn">Eginyn</a> erthygl sydd uchod am <b><a href="/wiki/Ffiseg" title="Ffiseg">ffiseg</a></b>. Gallwch helpu Wicipedia drwy <a class="external text" href="https://cy.wikipedia.org/w/index.php?title=CERN&action=edit">ychwanegu ato</a>.</i></div> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐7587f976f‐5bn5n Cached time: 20241107152219 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] CPU time usage: 0.465 seconds Real time usage: 0.733 seconds Preprocessor visited node count: 4479/1000000 Post‐expand include size: 33647/2097152 bytes Template argument size: 9732/2097152 bytes Highest expansion depth: 10/100 Expensive parser function count: 1/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 6223/5000000 bytes Lua time usage: 0.273/10.000 seconds Lua memory usage: 5517223/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 683.660 1 -total 92.45% 632.070 1 Nodyn:Pethau 89.42% 611.327 1 Nodyn:Infobox 45.92% 313.952 100 Nodyn:If_first_display_both 8.72% 59.649 1 Nodyn:Dylunio_map 4.48% 30.631 1 Nodyn:Cyfeiriadau 3.18% 21.740 9 Nodyn:Dyf_gwe 2.80% 19.150 2 Nodyn:Wikidata 1.59% 10.891 7 Nodyn:Eicon_Saesneg 1.58% 10.791 1 Nodyn:Webarchive --> <!-- Saved in parser cache with key cywiki:pcache:idhash:49690-0!canonical and timestamp 20241107152219 and revision id 12829228. Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Wedi dod o "<a dir="ltr" href="https://cy.wikipedia.org/w/index.php?title=CERN&oldid=12829228">https://cy.wikipedia.org/w/index.php?title=CERN&oldid=12829228</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Arbennig:Categories" title="Arbennig:Categories">Categorïau</a>: <ul><li><a href="/wiki/Categori:Egin_ffiseg" title="Categori:Egin ffiseg">Egin ffiseg</a></li><li><a href="/wiki/Categori:Ffiseg" title="Categori:Ffiseg">Ffiseg</a></li><li><a href="/wiki/Categori:Y_Swistir" title="Categori:Y Swistir">Y Swistir</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categori cudd: <ul><li><a href="/wiki/Categori:Tudalennau_gyda_meysydd_deublyg_yn_y_Nodion" title="Categori:Tudalennau gyda meysydd deublyg yn y Nodion">Tudalennau gyda meysydd deublyg yn y Nodion</a></li><li><a href="/wiki/Categori:Pages_using_the_JsonConfig_extension" title="Categori:Pages using the JsonConfig extension">Pages using the JsonConfig extension</a></li><li><a href="/wiki/Categori:Erthyglau_sy%27n_defnyddio_Nodyn_Gwybodlen_pethau_Wicidata" title="Categori:Erthyglau sy'n defnyddio Nodyn Gwybodlen pethau Wicidata">Erthyglau sy'n defnyddio Nodyn Gwybodlen pethau Wicidata</a></li><li><a href="/wiki/Categori:Webarchive_template_wayback_links" title="Categori:Webarchive template wayback links">Webarchive template wayback links</a></li><li><a href="/wiki/Categori:Pages_using_the_Kartographer_extension" title="Categori:Pages using the Kartographer extension">Pages using the Kartographer extension</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Golygwyd y dudalen hon ddiwethaf ar 16 Mehefin 2024, am 12:13.</li> <li id="footer-info-copyright">Mae'r testun ar gael o dan <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-ShareAlike License</a>; gall telerau ychwanegol fod yn berthnasol. Gweler y <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">Telerau Gwasanaeth</a> am fanylion.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Polisi preifatrwydd</a></li> <li id="footer-places-about"><a href="/wiki/Wicipedia:Yngl%C5%B7n_%C3%A2_Wicipedia">Ynglŷn â Wicipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wicipedia:Gwadiad_Cyffredinol">Gwadiadau</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Cod Ymddygiad</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Datblygwyr</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/cy.wikipedia.org">Ystadegau</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Datganiad cwcis</a></li> <li id="footer-places-mobileview"><a href="//cy.m.wikipedia.org/w/index.php?title=CERN&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Golwg symudol</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-8bk57","wgBackendResponseTime":135,"wgKartographerLiveData":{"_bb9d8004532c1fefff4e4f60598f2a19a31d2f17":[{"type":"ExternalData","service":"geoshape","url":"https://maps.wikimedia.org/geoshape?getgeojson=1\u0026ids=Q42944","properties":{"title":"CERN","marker-symbol":"marker","stroke-width":0.5,"marker-color":"#1E90FF","fill":"#F5A9A9"}},{"type":"ExternalData","service":"geomask","url":"https://maps.wikimedia.org/geoshape?getgeojson=1\u0026ids=Q42944","properties":{"title":"geomask3","marker-symbol":"marker","stroke-width":0.5,"fill-opacity":0.33,"marker-color":"#1E90FF","fill":"#FFFFE0"}},{"features":[{"type":"Feature","geometry":{"coordinates":[6.049129,46.234493],"type":"Point"},"properties":{"marker-color":"#1E90FF","title":"CERN","marker-symbol":"marker"}}],"type":"FeatureCollection"}]},"wgPageParseReport":{"limitreport":{"cputime":"0.465","walltime":"0.733","ppvisitednodes":{"value":4479,"limit":1000000},"postexpandincludesize":{"value":33647,"limit":2097152},"templateargumentsize":{"value":9732,"limit":2097152},"expansiondepth":{"value":10,"limit":100},"expensivefunctioncount":{"value":1,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":6223,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 683.660 1 -total"," 92.45% 632.070 1 Nodyn:Pethau"," 89.42% 611.327 1 Nodyn:Infobox"," 45.92% 313.952 100 Nodyn:If_first_display_both"," 8.72% 59.649 1 Nodyn:Dylunio_map"," 4.48% 30.631 1 Nodyn:Cyfeiriadau"," 3.18% 21.740 9 Nodyn:Dyf_gwe"," 2.80% 19.150 2 Nodyn:Wikidata"," 1.59% 10.891 7 Nodyn:Eicon_Saesneg"," 1.58% 10.791 1 Nodyn:Webarchive"]},"scribunto":{"limitreport-timeusage":{"value":"0.273","limit":"10.000"},"limitreport-memusage":{"value":5517223,"limit":52428800}},"cachereport":{"origin":"mw-web.eqiad.main-7587f976f-5bn5n","timestamp":"20241107152219","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"CERN","url":"https:\/\/cy.wikipedia.org\/wiki\/CERN","sameAs":"http:\/\/www.wikidata.org\/entity\/Q42944","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q42944","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2008-09-10T06:33:36Z","dateModified":"2024-06-16T12:13:41Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/9\/90\/CERN-aerial_1.jpg"}</script> </body> </html>