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class="vector-menu-heading"> Navegación </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Portada" title="Visitar a páxina principal [z]" accesskey="z"><span>Portada</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Portal_da_comunidade" title="Información acerca do proxecto, do que pode facer e dos lugares onde atopar as cousas"><span>Portal da comunidade</span></a></li><li id="n-A-Taberna" class="mw-list-item"><a href="/wiki/Wikipedia:A_Taberna"><span>A Taberna</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Wikipedia:Actualidade" title="Información acerca de acontecementos de actualidade"><span>Actualidade</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Especial:Cambios_recentes" title="A lista de modificacións recentes no wiki [r]" accesskey="r"><span>Cambios recentes</span></a></li><li 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<input class="cdx-text-input__input" type="search" name="search" placeholder="Procurar en Wikipedia" aria-label="Procurar en Wikipedia" autocapitalize="sentences" title="Procurar neste wiki [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Especial:Procurar"> </div> <button class="cdx-button cdx-search-input__end-button">Procurar</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Ferramentas persoais"> <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="Aparencia"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Cambia a aparencia do tamaño da fonte, o ancho e a cor da páxina" > <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="Aparencia" > <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">Aparencia</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_gl.wikipedia.org&uselang=gl" class=""><span>Doazóns</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=Especial:Crear_unha_conta&returnto=Pi%C3%B3n+%28f%C3%ADsica%29" title="É recomendable que cree unha conta e acceda ao sistema, se ben non é obrigatorio" class=""><span>Crear unha conta</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=Especial:Iniciar_sesi%C3%B3n&returnto=Pi%C3%B3n+%28f%C3%ADsica%29" title="É recomendable que se rexistre, se ben non é obrigatorio [o]" accesskey="o" class=""><span>Acceder ao sistema</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="Máis opcións" > <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="Ferramentas persoais" > <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">Ferramentas persoais</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menú de usuario" > <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_gl.wikipedia.org&uselang=gl"><span>Doazóns</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Crear_unha_conta&returnto=Pi%C3%B3n+%28f%C3%ADsica%29" title="É recomendable que cree unha conta e acceda ao sistema, se ben non é obrigatorio"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Crear unha conta</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Iniciar_sesi%C3%B3n&returnto=Pi%C3%B3n+%28f%C3%ADsica%29" title="É recomendable que se rexistre, se ben non é obrigatorio [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Acceder ao sistema</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"> Páxinas para os editores sen a sesión iniciada <a href="/wiki/Axuda:Introduci%C3%B3n" aria-label="Máis información sobre a edición"><span>máis información</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/Especial:As_mi%C3%B1as_contribuci%C3%B3ns" title="Unha lista das modificacións feitas desde este enderezo IP [y]" accesskey="y"><span>Contribucións</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Especial:A_mi%C3%B1a_conversa" title="Conversa acerca de edicións feitas desde este enderezo IP [n]" accesskey="n"><span>Conversa</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"></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="Sitio"> <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="Contidos" 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">Contidos</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover á barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">agochar</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">Inicio</div> </a> </li> <li id="toc-Estrutura_dos_pións" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Estrutura_dos_pións"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Estrutura dos pións</span> </div> </a> <ul id="toc-Estrutura_dos_pións-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notas" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notas"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Notas</span> </div> </a> <ul id="toc-Notas-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Véxase_tamén" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Véxase_tamén"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Véxase tamén</span> </div> </a> <button aria-controls="toc-Véxase_tamén-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Mostrar ou agochar a subsección "Véxase tamén"</span> </button> <ul id="toc-Véxase_tamén-sublist" class="vector-toc-list"> <li id="toc-Outros_artigos" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Outros_artigos"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Outros artigos</span> </div> </a> <ul id="toc-Outros_artigos-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ligazóns_externas" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ligazóns_externas"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Ligazóns externas</span> </div> </a> <ul id="toc-Ligazóns_externas-sublist" class="vector-toc-list"> </ul> </li> </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="Contidos" 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="Mostrar ou agochar a táboa de contidos" > <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">Mostrar ou agochar a táboa de contidos</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">Pión (física)</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="Ir a un artigo noutra lingua. Dispoñible en 54 linguas" > <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-54" 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">54 linguas</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/Pion_(deeltjie)" title="Pion (deeltjie) – afrikaans" lang="af" hreflang="af" data-title="Pion (deeltjie)" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D9%8A%D9%88%D9%86" title="بيون – árabe" lang="ar" hreflang="ar" data-title="بيون" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D1%96-%D0%BC%D0%B5%D0%B7%D0%BE%D0%BD" title="Пі-мезон – belaruso" lang="be" hreflang="be" data-title="Пі-мезон" data-language-autonym="Беларуская" data-language-local-name="belaruso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%B8%D0%BE%D0%BD" title="Пион – búlgaro" lang="bg" hreflang="bg" data-title="Пион" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Pion" title="Pion – bretón" lang="br" hreflang="br" data-title="Pion" data-language-autonym="Brezhoneg" data-language-local-name="bretón" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Pion" title="Pion – bosníaco" lang="bs" hreflang="bs" data-title="Pion" data-language-autonym="Bosanski" data-language-local-name="bosníaco" 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/Pi%C3%B3" title="Pió – catalán" lang="ca" hreflang="ca" data-title="Pió" data-language-autonym="Català" data-language-local-name="catalán" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Pion" title="Pion – checo" lang="cs" hreflang="cs" data-title="Pion" data-language-autonym="Čeština" data-language-local-name="checo" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Pion" title="Pion – dinamarqués" lang="da" hreflang="da" data-title="Pion" data-language-autonym="Dansk" data-language-local-name="dinamarqués" 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/Pion" title="Pion – alemán" lang="de" hreflang="de" data-title="Pion" data-language-autonym="Deutsch" data-language-local-name="alemán" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CE%B9%CF%8C%CE%BD%CE%B9%CE%BF" title="Πιόνιο – grego" lang="el" hreflang="el" data-title="Πιόνιο" data-language-autonym="Ελληνικά" data-language-local-name="grego" 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/Pion" title="Pion – inglés" lang="en" hreflang="en" data-title="Pion" data-language-autonym="English" data-language-local-name="inglés" 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/Piono" title="Piono – esperanto" lang="eo" hreflang="eo" data-title="Piono" 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/Pion" title="Pion – español" lang="es" hreflang="es" data-title="Pion" data-language-autonym="Español" data-language-local-name="español" 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/Piion" title="Piion – estoniano" lang="et" hreflang="et" data-title="Piion" data-language-autonym="Eesti" data-language-local-name="estoniano" 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/Pioi" title="Pioi – éuscaro" lang="eu" hreflang="eu" data-title="Pioi" data-language-autonym="Euskara" data-language-local-name="éuscaro" 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/%D9%BE%DB%8C%D9%88%D9%86" title="پیون – persa" lang="fa" hreflang="fa" data-title="پیون" data-language-autonym="فارسی" data-language-local-name="persa" 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/Pioni_(fysiikka)" title="Pioni (fysiikka) – finés" lang="fi" hreflang="fi" data-title="Pioni (fysiikka)" data-language-autonym="Suomi" data-language-local-name="finés" 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/Pion_(particule)" title="Pion (particule) – francés" lang="fr" hreflang="fr" data-title="Pion (particule)" data-language-autonym="Français" data-language-local-name="francés" 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/Pi%C3%B3n" title="Pión – irlandés" lang="ga" hreflang="ga" data-title="Pión" data-language-autonym="Gaeilge" data-language-local-name="irlandés" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%90%D7%99%D7%95%D7%9F" title="פאיון – hebreo" lang="he" hreflang="he" data-title="פאיון" data-language-autonym="עברית" data-language-local-name="hebreo" 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%AA%E0%A4%BE%E0%A4%87%E0%A4%86%E0%A4%A8" title="पाइआन – hindi" lang="hi" hreflang="hi" data-title="पाइआन" 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/Pion" title="Pion – croata" lang="hr" hreflang="hr" data-title="Pion" data-language-autonym="Hrvatski" data-language-local-name="croata" 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/Pion" title="Pion – húngaro" lang="hu" hreflang="hu" data-title="Pion" data-language-autonym="Magyar" data-language-local-name="húngaro" 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%8A%D5%AB%D5%B8%D5%B6%D5%B6%D5%A5%D6%80" title="Պիոններ – armenio" lang="hy" hreflang="hy" data-title="Պիոններ" data-language-autonym="Հայերեն" data-language-local-name="armenio" 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/Pion_(fisika)" title="Pion (fisika) – indonesio" lang="id" hreflang="id" data-title="Pion (fisika)" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesio" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Pione" title="Pione – italiano" lang="it" hreflang="it" data-title="Pione" data-language-autonym="Italiano" data-language-local-name="italiano" 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/%E3%83%91%E3%82%A4%E4%B8%AD%E9%96%93%E5%AD%90" title="パイ中間子 – xaponés" lang="ja" hreflang="ja" data-title="パイ中間子" data-language-autonym="日本語" data-language-local-name="xaponés" 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%9E%E1%83%98%E1%83%9D%E1%83%9C%E1%83%98" title="პიონი – xeorxiano" lang="ka" hreflang="ka" data-title="პიონი" data-language-autonym="ქართული" data-language-local-name="xeorxiano" 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/%D0%9F%D0%B8%D0%BE%D0%BD" title="Пион – kazako" lang="kk" hreflang="kk" data-title="Пион" data-language-autonym="Қазақша" data-language-local-name="kazako" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%8C%8C%EC%9D%B4_%EC%A4%91%EA%B0%84%EC%9E%90" title="파이 중간자 – coreano" lang="ko" hreflang="ko" data-title="파이 중간자" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Pionas" title="Pionas – lituano" lang="lt" hreflang="lt" data-title="Pionas" data-language-autonym="Lietuvių" data-language-local-name="lituano" 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/Pions" title="Pions – letón" lang="lv" hreflang="lv" data-title="Pions" data-language-autonym="Latviešu" data-language-local-name="letón" 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%9F%D0%B8%D0%BE%D0%BD_(%D1%87%D0%B5%D1%81%D1%82%D0%B8%D1%87%D0%BA%D0%B0)" title="Пион (честичка) – macedonio" lang="mk" hreflang="mk" data-title="Пион (честичка)" data-language-autonym="Македонски" data-language-local-name="macedonio" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Pion_(natuurkunde)" title="Pion (natuurkunde) – neerlandés" lang="nl" hreflang="nl" data-title="Pion (natuurkunde)" data-language-autonym="Nederlands" data-language-local-name="neerlandés" 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/Pion" title="Pion – noruegués nynorsk" lang="nn" hreflang="nn" data-title="Pion" data-language-autonym="Norsk nynorsk" data-language-local-name="noruegués 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/Pion" title="Pion – noruegués bokmål" lang="nb" hreflang="nb" data-title="Pion" data-language-autonym="Norsk bokmål" data-language-local-name="noruegués bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Pion_(cz%C4%85stka)" title="Pion (cząstka) – polaco" lang="pl" hreflang="pl" data-title="Pion (cząstka)" data-language-autonym="Polski" data-language-local-name="polaco" 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/%D9%BE%DB%8C%D9%88%D9%86" title="پیون – Western Punjabi" lang="pnb" hreflang="pnb" data-title="پیون" 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/P%C3%ADon" title="Píon – portugués" lang="pt" hreflang="pt" data-title="Píon" data-language-autonym="Português" data-language-local-name="portugués" 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/Pion" title="Pion – romanés" lang="ro" hreflang="ro" data-title="Pion" data-language-autonym="Română" data-language-local-name="romanés" 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%9F%D0%B8%D0%BE%D0%BD_(%D1%87%D0%B0%D1%81%D1%82%D0%B8%D1%86%D0%B0)" title="Пион (частица) – ruso" lang="ru" hreflang="ru" data-title="Пион (частица)" data-language-autonym="Русский" data-language-local-name="ruso" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Pion" title="Pion – serbocroata" lang="sh" hreflang="sh" data-title="Pion" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbocroata" 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/Pion" title="Pion – Simple English" lang="en-simple" hreflang="en-simple" data-title="Pion" 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/Pi%C3%B3n" title="Pión – eslovaco" lang="sk" hreflang="sk" data-title="Pión" data-language-autonym="Slovenčina" data-language-local-name="eslovaco" 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/Pion" title="Pion – esloveno" lang="sl" hreflang="sl" data-title="Pion" data-language-autonym="Slovenščina" data-language-local-name="esloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Pion" title="Pion – serbio" lang="sr" hreflang="sr" data-title="Pion" data-language-autonym="Српски / srpski" data-language-local-name="serbio" 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/Pimeson" title="Pimeson – sueco" lang="sv" hreflang="sv" data-title="Pimeson" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Pion" title="Pion – tagalo" lang="tl" hreflang="tl" data-title="Pion" data-language-autonym="Tagalog" data-language-local-name="tagalo" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Pion" title="Pion – turco" lang="tr" hreflang="tr" data-title="Pion" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%96%D0%BE%D0%BD%D0%B8" title="Піони – ucraíno" lang="uk" hreflang="uk" data-title="Піони" data-language-autonym="Українська" data-language-local-name="ucraíno" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%CE%A0%E4%BB%8B%E5%AD%90" title="Π介子 – chinés wu" lang="wuu" hreflang="wuu" data-title="Π介子" data-language-autonym="吴语" data-language-local-name="chinés wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%CE%A0%E4%BB%8B%E5%AD%90" title="Π介子 – chinés" lang="zh" hreflang="zh" data-title="Π介子" data-language-autonym="中文" data-language-local-name="chinés" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%CE%A0%E4%BB%8B%E5%AD%90" title="Π介子 – cantonés" lang="yue" hreflang="yue" data-title="Π介子" data-language-autonym="粵語" data-language-local-name="cantonés" 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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">Aparencia</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover á barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">agochar</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">Na Galipedia, a Wikipedia en galego.</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="gl" dir="ltr"><div class="dablink">Para outras páxinas con títulos homónimos véxase: <a href="/wiki/Pi%C3%B3n" class="mw-disambig" title="Pión">Pión</a>.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Quark_structure_pion.svg" class="mw-file-description"><img alt="Estrutura en quark dos pións." src="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/Quark_structure_pion.svg/220px-Quark_structure_pion.svg.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/Quark_structure_pion.svg/330px-Quark_structure_pion.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/62/Quark_structure_pion.svg/440px-Quark_structure_pion.svg.png 2x" data-file-width="525" data-file-height="525" /></a><figcaption>Estrutura en <a href="/wiki/Quark" title="Quark">quark</a> dos pións.</figcaption></figure> <p><b>Pión</b> (abreviatura do vocábulo grego <i>pi meson</i>), é o nome que reciben, conxuntamente, tres <a href="/wiki/F%C3%ADsica_de_part%C3%ADculas" title="Física de partículas">partículas</a> subatómicas: π<sup>0</sup>, π<sup>+</sup>, π<sup>−</sup>. O pión foi descuberto en <a href="/wiki/1947" title="1947">1947</a> usando a <a href="/w/index.php?title=C%C3%A1mara_de_burbullas&action=edit&redlink=1" class="new" title="Cámara de burbullas (a páxina aínda non existe)">cámara de burbullas</a>.<sup>[<i><a href="/wiki/Wikipedia:C%C3%B3mpre_referencia" title="Wikipedia:Cómpre referencia">Cómpre referencia</a></i>]</sup> Ten número de <a href="/w/index.php?title=Estra%C3%B1eza&action=edit&redlink=1" class="new" title="Estrañeza (a páxina aínda non existe)">estrañeza</a> igual a 0. Poden formarse como produto de desintegración dos <a href="/wiki/Ka%C3%B3n" title="Kaón">Kaóns</a>, violando a simetría C-P.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Estrutura_dos_pións"><span id="Estrutura_dos_pi.C3.B3ns"></span>Estrutura dos pións</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&veaction=edit&section=1" title="Editar a sección: «Estrutura dos pións»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&action=edit&section=1" title="Editar o código fonte da sección: Estrutura dos pións"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Os pións están formados por <a href="/wiki/Quark" title="Quark">quark</a>. No caso do pión positivo (π<sup>+</sup>), comprende <a href="/w/index.php?title=Quark_arriba&action=edit&redlink=1" class="new" title="Quark arriba (a páxina aínda non existe)">quark arriba</a> e un <a href="/w/index.php?title=Quark_abaixo&action=edit&redlink=1" class="new" title="Quark abaixo (a páxina aínda non existe)">quark anti-abaixo</a>. A forza forte é mediada por <a href="/wiki/Glu%C3%B3n" title="Gluón">gluóns</a>. A forza forte ten tres tipos de cargas, vermella, verde e azul; o quark arriba ten carga azul, e o anti-abaixo, anti-azul, polo que o pión ten carga forte neutra. </p> <table class="wikitable sortable" style="text-align: center;"> <caption>Pións </caption> <tbody><tr> <th class="unsortable">Nome </th> <th>Símbolo </th> <th>Antipartícula </th> <th class="unsortable">Estrutura en quark<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span>[</span>2<span>]</span></a></sup> </th> <th><a href="/wiki/Masa_en_repouso" title="Masa en repouso">Masa en repouso</a> (<a href="/wiki/Electr%C3%B3n-volt" title="Electrón-volt">MeV</a>/<a href="/wiki/Velocidade_da_luz" title="Velocidade da luz">c</a><sup>2</sup>) </th> <th width="50"><a href="/w/index.php?title=Isospin&action=edit&redlink=1" class="new" title="Isospin (a páxina aínda non existe)">I</a><sup><a href="/w/index.php?title=G_parity&action=edit&redlink=1" class="new" title="G parity (a páxina aínda non existe)">G</a></sup> </th> <th width="50"><a href="/w/index.php?title=Total_angular_momentum&action=edit&redlink=1" class="new" title="Total angular momentum (a páxina aínda non existe)">J</a><sup><a href="/w/index.php?title=Parity_(physics)&action=edit&redlink=1" class="new" title="Parity (physics) (a páxina aínda non existe)">P</a><a href="/w/index.php?title=C_parity&action=edit&redlink=1" class="new" title="C parity (a páxina aínda non existe)">C</a></sup> </th> <th width="50"><a href="/w/index.php?title=Strangeness&action=edit&redlink=1" class="new" title="Strangeness (a páxina aínda non existe)">S</a> </th> <th width="50"><a href="/w/index.php?title=Charm_(quantum_number)&action=edit&redlink=1" class="new" title="Charm (quantum number) (a páxina aínda non existe)">C</a> </th> <th width="50"><a href="/w/index.php?title=Bottomness&action=edit&redlink=1" class="new" title="Bottomness (a páxina aínda non existe)">B'</a> </th> <th><a href="/w/index.php?title=Vida_media_(f%C3%ADsica)&action=edit&redlink=1" class="new" title="Vida media (física) (a páxina aínda non existe)">Vida media</a> (<a href="/w/index.php?title=Second&action=edit&redlink=1" class="new" title="Second (a páxina aínda non existe)">s</a>) </th> <th class="unsortable">Desintegración típica <br />(>5% de desintegracións) </th></tr> <tr> <td>Pión<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span>[</span>3<span>]</span></a></sup> </td> <td>π<sup>+</sup> </td> <td>π<sup>−</sup> </td> <td>ud </td> <td><span style="white-space:nowrap">139,570 18 ± 0,000 35</span> </td> <td>1<sup>−</sup> </td> <td>0<sup>−</sup> </td> <td>0 </td> <td>0 </td> <td>0 </td> <td>2,6033 ± 00005 × 10<sup>−8</sup> </td> <td>μ<sup>+</sup>+ ν<sub>μ</sub> </td></tr> <tr> <td>Pión<sup id="cite_ref-PDGPion0_4-0" class="reference"><a href="#cite_note-PDGPion0-4"><span>[</span>4<span>]</span></a></sup> </td> <td>π<sup>0</sup> </td> <td>é a súa propia antip. </td> <td><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\tfrac {\mathrm {u{\bar {u}}} -\mathrm {d{\bar {d}}} }{\sqrt {2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">u</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi mathvariant="normal">u</mi> <mo stretchy="false">¯</mo> </mover> </mrow> </mrow> </mrow> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi mathvariant="normal">d</mi> <mo stretchy="false">¯</mo> </mover> </mrow> </mrow> </mrow> </mrow> <msqrt> <mn>2</mn> </msqrt> </mfrac> </mstyle> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\tfrac {\mathrm {u{\bar {u}}} -\mathrm {d{\bar {d}}} }{\sqrt {2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6bb791e2ce5a573b87550967cf763dde17312aab" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:5.77ex; height:4.676ex;" alt="{\displaystyle {\tfrac {\mathrm {u{\bar {u}}} -\mathrm {d{\bar {d}}} }{\sqrt {2}}}}"></span><sup><sup class="reference plainlinks nourlexpansion" id="ref_quarkcontent"><a href="#endnote_quarkcontent">[a]</a></sup></sup> </td> <td><span style="white-space:nowrap">134,976 6 ± 0,000 6</span> </td> <td>1<sup>−</sup> </td> <td>0<sup>−+</sup> </td> <td>0 </td> <td>0 </td> <td>0 </td> <td>8.4 ± 0.6 × 10<sup>−17</sup> </td> <td>γ + γ </td></tr></tbody></table> <p><sup>[a]</sup> <span class="citation wikicite" id="endnote_quarkcontent"><b><a href="#ref_quarkcontent">^</a></b></span> Inexacta debido á ser diferentes de cero as masas dos quark.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span>[</span>5<span>]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Notas">Notas</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&veaction=edit&section=2" title="Editar a sección: «Notas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&action=edit&section=2" title="Editar o código fonte da sección: Notas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist columns references-column-width" style="-moz-column-width: 30em; -webkit-column-width: 30em; column-width: 30em; list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><cite class="citation web">Collins, Nathan. <a rel="nofollow" class="external text" href="https://www.symmetrymagazine.org/article/meet-the-kaon">"Meet the kaon"</a>. <i>symmetry magazine</i> <span style="font-style: italic;">(en <a href="/wiki/Lingua_inglesa" title="Lingua inglesa">inglés</a>)</span><span class="reference-accessdate">. Consultado o <span class="nowrap">2020-12-14</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3APi%C3%B3n+%28f%C3sica%29&rft.atitle=Meet+the+kaon&rft.aufirst=Nathan&rft.aulast=Collins&rft.genre=unknown&rft.jtitle=symmetry+magazine&rft_id=https%3A%2F%2Fwww.symmetrymagazine.org%2Farticle%2Fmeet-the-kaon&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">14. QUARK MODEL (decembro de 2007). Revisado por C. Amsler (Universidade de Zurich), T. DeGrand (Universidade de Colorado, Boulder), and B. Krusche (Universidade de Basilea). Consultado o 14 de decembro de 2020</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://pdg.lbl.gov/2008/listings/s008.pdf">π<sup>±</sup></a> (7 de xullo de 2008). Consultado o 14 de decembro de 2020.</span> </li> <li id="cite_note-PDGPion0-4"><span class="mw-cite-backlink"><a href="#cite_ref-PDGPion0_4-0">↑</a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://pdg.lbl.gov/2008/listings/s009.pdf">π<sup>0</sup></a> (7 de xullo de 2008). Consultado o 14 de decembro de 2020</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><cite class="citation book">Griffiths, David J. (David Jeffery), 1942- (1987). <a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/19468842"><i>Introduction to elementary particles</i></a>. New York: Wiley. <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Especial:Fontes_bibliogr%C3%A1ficas/0-471-60386-4" title="Especial:Fontes bibliográficas/0-471-60386-4">0-471-60386-4</a>. <a href="/wiki/Online_Computer_Library_Center" title="Online Computer Library Center">OCLC</a> <a rel="nofollow" class="external text" href="//www.worldcat.org/oclc/19468842">19468842</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3APi%C3%B3n+%28f%C3sica%29&rft.au=Griffiths%2C+David+J.+%28David+Jeffery%29%2C+1942-&rft.btitle=Introduction+to+elementary+particles&rft.date=1987&rft.genre=book&rft.isbn=0-471-60386-4&rft.place=New+York&rft.pub=Wiley&rft_id=https%3A%2F%2Fwww.worldcat.org%2Foclc%2F19468842&rft_id=info%3Aoclcnum%2F19468842&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <table style="clear:both; width:55em; margin: 1.5em auto; border:1px solid #CCC; background-color:#FCFCFC; font-size:smaller; text-align:center"> <tbody><tr style="height:2em; background-color:#CCF;"> <th style="font-size: 125%; border-bottom: 1px solid grey;" colspan="9"><a href="/wiki/F%C3%ADsica_de_part%C3%ADculas" title="Física de partículas">Partículas fundamentais en Física</a> (<a href="/w/index.php?title=Lista_de_part%C3%ADculas&action=edit&redlink=1" class="new" title="Lista de partículas (a páxina aínda non existe)">lista</a>, <a href="/w/index.php?title=T%C3%A1boa_de_part%C3%ADculas&action=edit&redlink=1" class="new" title="Táboa de partículas (a páxina aínda non existe)">táboa</a>) </th></tr> <tr> <th style="background: #DDF; font-size: 115%;" colspan="6"><a href="/wiki/Fermi%C3%B3n" title="Fermión">Fermións</a> </th> <th style="background: #FDD; font-size: 115%;" colspan="3"><a href="/wiki/Bos%C3%B3n" title="Bosón">Bosóns de Gauge</a> </th></tr> <tr> <th style="background: #EEF; font-size: 110%;" colspan="3"><a href="/wiki/Quark" title="Quark">Quarks</a> </th> <th style="background: #EEF; font-size: 110%;" colspan="3"><a href="/wiki/Lept%C3%B3n" title="Leptón">Leptóns</a> </th> <th style="background: #fff0f0; font-size: 100%;" colspan="1"><a href="/wiki/Bos%C3%B3ns_W_e_Z" title="Bosóns W e Z">Bosóns W e Z</a> </th> <th style="background: #fff0f0; font-size: 100%;" colspan="1"><a href="/wiki/Fot%C3%B3n" title="Fotón">Fotón</a> </th> <th style="background: #fff0f0; font-size: 100%;" colspan="1"><a href="/wiki/Glu%C3%B3n" title="Gluón">Gluón</a> </th></tr> <tr> <th style="background: #f7f7ff; font-size: 100%;"><a href="/w/index.php?title=Quark_arriba&action=edit&redlink=1" class="new" title="Quark arriba (a páxina aínda non existe)">Arriba</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/w/index.php?title=Quark_encantado&action=edit&redlink=1" class="new" title="Quark encantado (a páxina aínda non existe)">Encantado</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/wiki/Quark_cume" title="Quark cume">Cume</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/wiki/Electr%C3%B3n" title="Electrón">Electrón</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/wiki/Mu%C3%B3n" title="Muón">Muón</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/w/index.php?title=Tau_(part%C3%ADcula)&action=edit&redlink=1" class="new" title="Tau (partícula) (a páxina aínda non existe)">Tau (tauón)</a> </th> <th style="background: #DFD; font-size: 115%;" colspan="3"><a href="/wiki/Bos%C3%B3n" title="Bosón">Bosóns hipotéticos</a> </th></tr> <tr> <th style="background: #f7f7ff; font-size: 100%;"><a href="/w/index.php?title=Quark_abaixo&action=edit&redlink=1" class="new" title="Quark abaixo (a páxina aínda non existe)">Abaixo</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/w/index.php?title=Quark_estra%C3%B1o&action=edit&redlink=1" class="new" title="Quark estraño (a páxina aínda non existe)">Estraño</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/wiki/Quark_fondo" title="Quark fondo">Fondo</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/w/index.php?title=Neutrino_electr%C3%B3nico&action=edit&redlink=1" class="new" title="Neutrino electrónico (a páxina aínda non existe)">e-neutrino</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/w/index.php?title=Neutrino_mu%C3%B3nico&action=edit&redlink=1" class="new" title="Neutrino muónico (a páxina aínda non existe)">μ-neutrino</a> </th> <th style="background: #f7f7ff; font-size: 100%;"><a href="/w/index.php?title=Neutrino_tau%C3%B3nico&action=edit&redlink=1" class="new" title="Neutrino tauónico (a páxina aínda non existe)">τ-neutrino</a> </th> <th style="background: #f0fff0; font-size: 100%; text-align: center;" colspan="3"><a href="/wiki/Gravit%C3%B3n" title="Gravitón">Gravitón</a>    <a href="/wiki/Bos%C3%B3n_de_Higgs" title="Bosón de Higgs">Bosón de Higgs</a> </th></tr> <tr align="center"> <td colspan="9" style="background:#ccccff"><b>Outras clases, partículas compostas e outras</b></td> <td> </td></tr> <tr align="center"> <th colspan="9"><a href="/w/index.php?title=Bari%C3%B3n&action=edit&redlink=1" class="new" title="Barión (a páxina aínda non existe)">barión</a> - <a href="/w/index.php?title=Gravitino&action=edit&redlink=1" class="new" title="Gravitino (a páxina aínda non existe)">gravitino</a> - <a href="/w/index.php?title=Hadr%C3%B3n&action=edit&redlink=1" class="new" title="Hadrón (a páxina aínda non existe)">hadrón</a> - <a href="/wiki/Ka%C3%B3n" title="Kaón">kaón</a> - <a href="/w/index.php?title=Mes%C3%B3n_(F%C3%ADsica_de_part%C3%ADculas)&action=edit&redlink=1" class="new" title="Mesón (Física de partículas) (a páxina aínda non existe)">mesón</a> - <a href="/wiki/Neutr%C3%B3n" title="Neutrón">neutrón</a> - <a class="mw-selflink selflink">pión</a> - <a href="/wiki/Positr%C3%B3n" title="Positrón">positrón</a> - <a href="/wiki/Prot%C3%B3n" title="Protón">protón</a> </th></tr> <tr align="center"> <td colspan="9" style="background:#ccccff"><b>Termos relacionados</b></td> <td> </td></tr> <tr align="center"> <th colspan="9"><a href="/wiki/Antimateria" title="Antimateria">antimateria</a> - <a href="/wiki/Part%C3%ADcula_subat%C3%B3mica" title="Partícula subatómica">partícula subatómica</a> </th></tr></tbody></table> <p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="Véxase_tamén"><span id="V.C3.A9xase_tam.C3.A9n"></span>Véxase tamén</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&veaction=edit&section=3" title="Editar a sección: «Véxase tamén»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&action=edit&section=3" title="Editar o código fonte da sección: Véxase tamén"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Outros_artigos">Outros artigos</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&veaction=edit&section=4" title="Editar a sección: «Outros artigos»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&action=edit&section=4" title="Editar o código fonte da sección: Outros artigos"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/w/index.php?title=Bari%C3%B3n&action=edit&redlink=1" class="new" title="Barión (a páxina aínda non existe)">Barión</a></li> <li><a href="/wiki/Bos%C3%B3n" title="Bosón">Bosón</a></li> <li><a href="/w/index.php?title=Hadr%C3%B3n&action=edit&redlink=1" class="new" title="Hadrón (a páxina aínda non existe)">Hadrón</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Ligazóns_externas"><span id="Ligaz.C3.B3ns_externas"></span>Ligazóns externas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&veaction=edit&section=5" title="Editar a sección: «Ligazóns externas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Pi%C3%B3n_(f%C3%ADsica)&action=edit&section=5" title="Editar o código fonte da sección: Ligazóns externas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://pdg.lbl.gov">The Review of Particle Physics (2020)</a></li></ul> <div role="navigation" class="navbox" aria-labelledby="Control_de_autoridades" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Control_de_autoridades" scope="row" class="navbox-group" style="width:1%;width: 12%; text-align:center;"><a href="/wiki/Axuda:Control_de_autoridades" title="Axuda:Control de autoridades">Control de autoridades</a></th><td class="navbox-list navbox-odd plainlinks" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Wikidata:Main_Page" title="Wikidata"><img alt="Wd" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span>: <span class="uid"><a href="https://www.wikidata.org/wiki/Q4097" class="extiw" title="wikidata:Q4097">Q4097</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Biblioteca_Nacional_Central_de_Florencia" title="Biblioteca Nacional Central de Florencia">BNCF</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://thes.bncf.firenze.sbn.it/termine.php?id=72513">72513</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Grande_Enciclopedia_Rusa" title="Grande Enciclopedia Rusa">BRE</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://old.bigenc.ru/text/3139354">3139354</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Encyclop%C3%A6dia_Britannica" title="Encyclopædia Britannica">EBID</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://www.britannica.com/science/pi-meson">ID</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Gemeinsame_Normdatei" title="Gemeinsame Normdatei">GND</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4174718-5">4174718-5</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/JSTOR" title="JSTOR">JSTOR</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://web.archive.org/web/*/https://www.jstor.org/topic/pions">pions</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Library_of_Congress_Control_Number" title="Library of Congress Control Number">LCCN</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh85102318">sh85102318</a></span></span></span></li> <li><span style="white-space:nowrap;">MAG: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://web.archive.org/web/*/https://academic.microsoft.com/v2/detail/206094082">206094082</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Biblioteca_t%C3%A9cnica_nacional_de_Praga" title="Biblioteca técnica nacional de Praga">PSH</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://psh.techlib.cz/skos/PSH3705">3705</a></span></span></span></li></ul> </div></td></tr></tbody></table></div><div role="navigation" class="navbox" aria-labelledby="Identificadores" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Identificadores" scope="row" class="navbox-group" style="width:1%;width: 12%; text-align:center;">Identificadores</th><td class="navbox-list navbox-odd plainlinks" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><span style="white-space:nowrap;"><a href="/wiki/ChEBI" title="ChEBI">ChEBI</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:36348">36348</a></span></span></span></li></ul> </div></td></tr></tbody></table></div>    </div><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="">Traído desde «<a dir="ltr" href="https://gl.wikipedia.org/w/index.php?title=Pión_(física)&oldid=5645330">https://gl.wikipedia.org/w/index.php?title=Pión_(física)&oldid=5645330</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categor%C3%ADas" title="Especial:Categorías">Categoría</a>: <ul><li><a href="/wiki/Categor%C3%ADa:F%C3%ADsica_nuclear" title="Categoría:Física nuclear">Física nuclear</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categorías agochadas: <ul><li><a href="/wiki/Categor%C3%ADa:Wikipedia:Todos_os_artigos_que_requiren_referencias" title="Categoría:Wikipedia:Todos os artigos que requiren referencias">Wikipedia:Todos os artigos que requiren referencias</a></li><li><a href="/wiki/Categor%C3%ADa:Wikipedia:Artigos_que_requiren_referencias_desde_unha_data_desco%C3%B1ecida" title="Categoría:Wikipedia:Artigos que requiren referencias desde unha data descoñecida">Wikipedia:Artigos que requiren referencias desde unha data descoñecida</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"> A última edición desta páxina foi o 14 de decembro de 2020 ás 15:02.</li> <li id="footer-info-copyright">Todo o texto está dispoñible baixo a <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/">licenza Creative Commons recoñecemento compartir igual 4.0</a>; 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