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from this IP address [n]" accesskey="n"><span>Talk</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="Site"> <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="Contents" 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">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</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">Beginning</div> </a> </li> <li id="toc-Mesons'_spin" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Mesons'_spin"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Mesons' spin</span> </div> </a> <ul id="toc-Mesons'_spin-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Creation_of_Mesons" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Creation_of_Mesons"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Creation of Mesons</span> </div> </a> <ul id="toc-Creation_of_Mesons-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="Contents" 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="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" 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Available in 73 languages" > <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-73" 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">73 languages</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/Meson" title="Meson – Afrikaans" lang="af" hreflang="af" data-title="Meson" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" 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/Meson" title="Meson – Alemannic" lang="gsw" hreflang="gsw" data-title="Meson" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D9%8A%D8%B2%D9%88%D9%86" title="ميزون – Arabic" lang="ar" hreflang="ar" data-title="ميزون" data-language-autonym="العربية" data-language-local-name="Arabic" 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/Mes%C3%B3n" title="Mesón – Asturian" lang="ast" hreflang="ast" data-title="Mesón" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%85%D8%B2%D9%88%D9%86" title="مزون – South Azerbaijani" lang="azb" hreflang="azb" data-title="مزون" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AE%E0%A7%87%E0%A6%B8%E0%A6%A8" title="মেসন – Bangla" lang="bn" hreflang="bn" data-title="মেসন" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%B5%D0%B7%D0%BE%D0%BD" title="Мезон – Belarusian" lang="be" hreflang="be" data-title="Мезон" data-language-autonym="Беларуская" data-language-local-name="Belarusian" 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%9C%D0%B5%D0%B7%D0%BE%D0%BD" title="Мезон – Bulgarian" lang="bg" hreflang="bg" data-title="Мезон" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Mezon" title="Mezon – Bosnian" lang="bs" hreflang="bs" data-title="Mezon" data-language-autonym="Bosanski" data-language-local-name="Bosnian" 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/Mes%C3%B3" title="Mesó – Catalan" lang="ca" hreflang="ca" data-title="Mesó" data-language-autonym="Català" data-language-local-name="Catalan" 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/Mezon" title="Mezon – Czech" lang="cs" hreflang="cs" data-title="Mezon" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Meson" title="Meson – Welsh" lang="cy" hreflang="cy" data-title="Meson" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Meson" title="Meson – German" lang="de" hreflang="de" data-title="Meson" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Mesonid" title="Mesonid – Estonian" lang="et" hreflang="et" data-title="Mesonid" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9C%CE%B5%CF%83%CF%8C%CE%BD%CE%B9%CE%BF" title="Μεσόνιο – Greek" lang="el" hreflang="el" data-title="Μεσόνιο" data-language-autonym="Ελληνικά" data-language-local-name="Greek" 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/Meson" title="Meson – English" lang="en" hreflang="en" data-title="Meson" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Mes%C3%B3n" title="Mesón – Spanish" lang="es" hreflang="es" data-title="Mesón" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Mezono" title="Mezono – Esperanto" lang="eo" hreflang="eo" data-title="Mezono" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Mesoi" title="Mesoi – Basque" lang="eu" hreflang="eu" data-title="Mesoi" data-language-autonym="Euskara" data-language-local-name="Basque" 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%85%D8%B2%D9%88%D9%86" title="مزون – Persian" lang="fa" hreflang="fa" data-title="مزون" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/M%C3%A9son" title="Méson – French" lang="fr" hreflang="fr" data-title="Méson" data-language-autonym="Français" data-language-local-name="French" 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/M%C3%A9as%C3%B3n" title="Méasón – Irish" lang="ga" hreflang="ga" data-title="Méasón" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A4%91%EA%B0%84%EC%9E%90" title="중간자 – Korean" lang="ko" hreflang="ko" data-title="중간자" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%A5%D5%A6%D5%B8%D5%B6" title="Մեզոն – Armenian" lang="hy" hreflang="hy" data-title="Մեզոն" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AE%E0%A5%87%E0%A4%B8%E0%A5%89%E0%A4%A8" title="मेसॉन – Hindi" lang="hi" hreflang="hi" data-title="मेसॉन" 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/Mezon" title="Mezon – Croatian" lang="hr" hreflang="hr" data-title="Mezon" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Meson" title="Meson – Indonesian" lang="id" hreflang="id" data-title="Meson" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Mi%C3%B0eind" title="Miðeind – Icelandic" lang="is" hreflang="is" data-title="Miðeind" data-language-autonym="Íslenska" data-language-local-name="Icelandic" 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/Mesone" title="Mesone – Italian" lang="it" hreflang="it" data-title="Mesone" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%96%D7%95%D7%9F_(%D7%97%D7%9C%D7%A7%D7%99%D7%A7)" title="מזון (חלקיק) – Hebrew" lang="he" hreflang="he" data-title="מזון (חלקיק)" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AE%E0%B3%86%E0%B2%B8%E0%B2%BE%E0%B2%A8%E0%B3%8D" title="ಮೆಸಾನ್ – Kannada" lang="kn" hreflang="kn" data-title="ಮೆಸಾನ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%94%E1%83%96%E1%83%9D%E1%83%9C%E1%83%98" title="მეზონი – Georgian" lang="ka" hreflang="ka" data-title="მეზონი" data-language-autonym="ქართული" data-language-local-name="Georgian" 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%9C%D0%B5%D0%B7%D0%BE%D0%BD" title="Мезон – Kazakh" lang="kk" hreflang="kk" data-title="Мезон" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Meson" title="Meson – Latin" lang="la" hreflang="la" data-title="Meson" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Mezoni" title="Mezoni – Latvian" lang="lv" hreflang="lv" data-title="Mezoni" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Mezonas" title="Mezonas – Lithuanian" lang="lt" hreflang="lt" data-title="Mezonas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Meson" title="Meson – Limburgish" lang="li" hreflang="li" data-title="Meson" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Mezon" title="Mezon – Hungarian" lang="hu" hreflang="hu" data-title="Mezon" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%B5%D0%B7%D0%BE%D0%BD" title="Мезон – Macedonian" lang="mk" hreflang="mk" data-title="Мезон" data-language-autonym="Македонски" data-language-local-name="Macedonian" 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%AE%E0%B5%86%E0%B4%B8%E0%B5%8B%E0%B5%BA" title="മെസോൺ – Malayalam" lang="ml" hreflang="ml" data-title="മെസോൺ" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Meson" title="Meson – Malay" lang="ms" hreflang="ms" data-title="Meson" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9C%D0%B5%D0%B7%D0%BE%D0%BD" title="Мезон – Mongolian" lang="mn" hreflang="mn" data-title="Мезон" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%99%E1%80%B1%E1%80%87%E1%80%BD%E1%80%94%E1%80%BA" title="မေဇွန် – Burmese" lang="my" hreflang="my" data-title="မေဇွန်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Meson" title="Meson – Dutch" lang="nl" hreflang="nl" data-title="Meson" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E4%B8%AD%E9%96%93%E5%AD%90" title="中間子 – Japanese" lang="ja" hreflang="ja" data-title="中間子" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Meson" title="Meson – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Meson" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Meson" title="Meson – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Meson" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Meson" title="Meson – Occitan" lang="oc" hreflang="oc" data-title="Meson" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Mezonlar" title="Mezonlar – Uzbek" lang="uz" hreflang="uz" data-title="Mezonlar" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AE%E0%A9%80%E0%A8%9C%E0%A8%BC%E0%A9%8C%E0%A8%A8" title="ਮੀਜ਼ੌਨ – Punjabi" lang="pa" hreflang="pa" data-title="ਮੀਜ਼ੌਨ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%85%DB%8C%D8%B2%D9%88%D9%86" title="میزون – Western Punjabi" lang="pnb" hreflang="pnb" data-title="میزون" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Meson" title="Meson – Low German" lang="nds" hreflang="nds" data-title="Meson" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Mezony" title="Mezony – Polish" lang="pl" hreflang="pl" data-title="Mezony" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/M%C3%A9son" title="Méson – Portuguese" lang="pt" hreflang="pt" data-title="Méson" data-language-autonym="Português" data-language-local-name="Portuguese" 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/Mezon" title="Mezon – Romanian" lang="ro" hreflang="ro" data-title="Mezon" data-language-autonym="Română" data-language-local-name="Romanian" 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%9C%D0%B5%D0%B7%D0%BE%D0%BD" title="Мезон – Russian" lang="ru" hreflang="ru" data-title="Мезон" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%B8%E0%B7%93%E0%B7%83%E0%B7%9D%E0%B6%B1" title="මීසෝන – Sinhala" lang="si" hreflang="si" data-title="මීසෝන" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Mez%C3%B3n" title="Mezón – Slovak" lang="sk" hreflang="sk" data-title="Mezón" data-language-autonym="Slovenčina" data-language-local-name="Slovak" 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/Mezon" title="Mezon – Slovenian" lang="sl" hreflang="sl" data-title="Mezon" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" 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/Mezon" title="Mezon – Serbian" lang="sr" hreflang="sr" data-title="Mezon" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Mezon" title="Mezon – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Mezon" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Mesoni" title="Mesoni – Finnish" lang="fi" hreflang="fi" data-title="Mesoni" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Meson" title="Meson – Swedish" lang="sv" hreflang="sv" data-title="Meson" data-language-autonym="Svenska" data-language-local-name="Swedish" 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/Meson" title="Meson – Tagalog" lang="tl" hreflang="tl" data-title="Meson" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%87%E0%AE%9A%E0%AE%BE%E0%AE%A9%E0%AF%8D" title="மேசான் – Tamil" lang="ta" hreflang="ta" data-title="மேசான்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%A1%E0%B8%8B%E0%B8%AD%E0%B8%99" title="เมซอน – Thai" lang="th" hreflang="th" data-title="เมซอน" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link 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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</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">From Simple English Wikipedia, the free encyclopedia</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="en" dir="ltr"><p><b>Mesons</b> are incredibly small <a href="/wiki/Subatomic_particle" title="Subatomic particle">subatomic particles</a> that are made of one <a href="/wiki/Quark" title="Quark">quark</a> and one <a href="/wiki/Antimatter" title="Antimatter">antiquark</a>. Antiquarks are the <a href="/wiki/Antimatter" title="Antimatter">antimatter</a> counterpart of a regular quark. Since antimatter quarks have the opposite <a href="/wiki/Spin_(physics)" title="Spin (physics)">spin</a> of regular quarks, their spins can cancel each other out, which forms a particle similar to a <a href="/wiki/Higgs_Boson" class="mw-redirect" title="Higgs Boson">Higgs Boson</a>. The name <b>meson</b> comes from Greek "mesos", meaning middle. This is because the <a href="/wiki/Mass" title="Mass">masses</a> of the first mesons discovered were between the mass of light particles like <a href="/wiki/Electron" title="Electron">electrons</a>, called <a href="/wiki/Lepton" title="Lepton">leptons</a>, and heavy particles like <a href="/wiki/Proton" title="Proton">protons</a>, called <a href="/wiki/Baryon" title="Baryon">baryons</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Mesons'_spin"><span id="Mesons.27_spin"></span>Mesons' spin</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Meson&veaction=edit&section=1" title="Change section: Mesons' spin" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Meson&action=edit&section=1" title="Edit section's source code: Mesons' spin"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mesons are <a href="/wiki/Hadron" title="Hadron">hadrons</a>, which simply means that they are made of quarks. Since quarks have different fractional <a href="/wiki/Electric_charge" title="Electric charge">charges</a>, mesons can have a charge. However, the charges of the quarks may cancel out, forming an uncharged meson. The rest of the hadron family are known as <a href="/wiki/Baryon" title="Baryon">baryons</a>, which are made of three quarks. Since quarks all have a <a href="/wiki/Spin_(physics)" title="Spin (physics)">spin</a> of 1/2, three of them will never add up to an <a href="/wiki/Boson" title="Boson">integer spin</a>. An integer spin is simply 0, 1, or 2. Particles with an integer spin are called <a href="/wiki/Boson" title="Boson">bosons</a>, which obey <a href="/w/index.php?title=Bose-Einstein_Statistics&action=edit&redlink=1" class="new" title="Bose-Einstein Statistics (not yet started)">Bose-Einstein Statistics</a>. This means that more than one boson can actually be in the same point in <a href="/wiki/Space_(physics)" title="Space (physics)">space</a> at the same time. However, a meson is made of one quark and one antiquark, which each do not have an integer spin. Particles which do not have an integer spin have a spin of 1/2 or 3/2. These particles with 1/2 spin are called <a href="/wiki/Fermion" title="Fermion">Fermions</a> because they obey <a href="/w/index.php?title=Fermi-Dirac_Statistics&action=edit&redlink=1" class="new" title="Fermi-Dirac Statistics (not yet started)">Fermi-Dirac Statistics</a>. This means that no more than one fermion can be in the same point in space at the same time. All known baryons and quarks (and antiquarks) are fermions, and all mesons are bosons. This can get very confusing because this means that more than one meson can exist in the same point in space at the same time, but the quarks that make up mesons cannot exist in the same point in space at the same time. </p> <div class="mw-heading mw-heading2"><h2 id="Creation_of_Mesons">Creation of Mesons</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Meson&veaction=edit&section=2" title="Change section: Creation of Mesons" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Meson&action=edit&section=2" title="Edit section's source code: Creation of Mesons"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The most common natural way that we find mesons are through the interactions of <a href="/wiki/Cosmic_ray" title="Cosmic ray">cosmic rays</a> with matter. This process can be duplicated in <a href="/wiki/Particle_accelerator" title="Particle accelerator">particle accelerators</a>, which smash high-energy quarks and antiquarks. However, the mesons are very unstable and quickly turn into other particles. <a href="/wiki/Electromagnetism" title="Electromagnetism">Charged</a> Mesons can decay into <a href="/wiki/Electron" title="Electron">electrons</a> and <a href="/wiki/Neutrino" title="Neutrino">neutrinos</a>, and uncharged mesons can decay into <a href="/wiki/Photon" title="Photon">photons</a>. Since antimatter is destroying matter, a large amount of energy is given off. 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href="https://simple.wikipedia.org/w/index.php?title=Template:Particles&action=edit"><abbr title="Edit this template" style="text-align: center;;;background:none transparent;border:none;box-shadow:none;padding:0;">e</abbr></a></li></ul></div><div id="Particles_in_physics" style="font-size:114%;margin:0 4em"><a href="/wiki/Particle_physics" title="Particle physics">Particles in physics</a></div></th></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Elementary_particle" title="Elementary particle">Elementary</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Fermion" title="Fermion">Fermions</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal;"><a href="/wiki/Quark" title="Quark">Quarks</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Up_quark" title="Up quark">Up (quark</a></li> <li><a href="/wiki/Up_antiquark" title="Up antiquark">antiquark)</a></li> <li><a href="/wiki/Down_quark" title="Down quark">Down (quark</a></li> <li><a href="/w/index.php?title=Down_antiquark&action=edit&redlink=1" class="new" title="Down antiquark (not yet started)">antiquark)</a></li> <li><a href="/wiki/Charm_quark" title="Charm quark">Charm (quark</a></li> <li><a href="/w/index.php?title=Charm_antiquark&action=edit&redlink=1" class="new" title="Charm antiquark (not yet started)">antiquark)</a></li> <li><a href="/wiki/Strange_quark" title="Strange quark">Strange (quark</a></li> <li><a href="/w/index.php?title=Strange_antiquark&action=edit&redlink=1" class="new" title="Strange antiquark (not yet started)">antiquark)</a></li> <li><a href="/wiki/Top_quark" title="Top quark">Top (quark</a></li> <li><a href="/w/index.php?title=Top_antiquark&action=edit&redlink=1" class="new" title="Top antiquark (not yet started)">antiquark)</a></li> <li><a href="/wiki/Bottom_quark" title="Bottom quark">Bottom (quark</a></li> <li><a href="/w/index.php?title=Bottom_antiquark&action=edit&redlink=1" class="new" title="Bottom antiquark (not yet started)">antiquark)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal;"><a href="/wiki/Lepton" title="Lepton">Leptons</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Electron" title="Electron">Electron</a></li> <li><a href="/wiki/Positron" title="Positron">Positron</a></li> <li><a href="/wiki/Muon" title="Muon">Muon</a></li> <li><a href="/wiki/Muon" title="Muon">Antimuon</a></li> <li><a href="/wiki/Tau_(particle)" class="mw-redirect" title="Tau (particle)">Tau</a></li> <li><a href="/wiki/Tau_(particle)" class="mw-redirect" title="Tau (particle)">Antitau</a></li> <li><a href="/wiki/Electron_neutrino" title="Electron neutrino">Electron neutrino</a></li> <li><a href="/wiki/Neutrino#Antineutrinos" title="Neutrino">Electron antineutrino</a></li> <li><a href="/w/index.php?title=Muon_neutrino&action=edit&redlink=1" class="new" title="Muon neutrino (not yet started)">Muon neutrino</a></li> <li><a href="/wiki/Neutrino#Antineutrinos" title="Neutrino">Muon antineutrino</a></li> <li><a href="/wiki/Tau_neutrino" title="Tau neutrino">Tau neutrino</a></li> <li><a href="/wiki/Neutrino#Antineutrinos" title="Neutrino">Tau antineutrino</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Boson" title="Boson">Bosons</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:4em;font-weight:normal; text-align: center;"><a href="/wiki/Gauge_boson" title="Gauge boson">Gauge</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Photon" title="Photon">Photon</a></li> <li><a href="/wiki/Gluon" title="Gluon">Gluon</a></li> <li><a href="/wiki/W_and_Z_bosons" title="W and Z bosons">W and Z bosons</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:4em;font-weight:normal; text-align: center;"><a href="/wiki/Scalar_boson" title="Scalar boson">Scalar</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Higgs_boson" title="Higgs boson">Higgs boson </a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;;font-weight:normal; text-align: center;"><a href="/w/index.php?title=Ghost_(physics)&action=edit&redlink=1" class="new" title="Ghost (physics) (not yet started)">Ghost fields</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Faddeev%E2%80%93Popov_ghost&action=edit&redlink=1" class="new" title="Faddeev–Popov ghost (not yet started)">Faddeev–Popov ghosts</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Hypothetical_particles" class="mw-redirect" title="Hypothetical particles">Hypothetical</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal; text-align: center;"><a href="/w/index.php?title=Superpartner&action=edit&redlink=1" class="new" title="Superpartner (not yet started)">Superpartners</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal; text-align: center;"><a href="/w/index.php?title=Gaugino&action=edit&redlink=1" class="new" title="Gaugino (not yet started)">Gauginos</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Gluino&action=edit&redlink=1" class="new" title="Gluino (not yet started)">Gluino</a></li> <li><a href="/wiki/Gravitino" title="Gravitino">Gravitino</a></li> <li><a href="/wiki/Photino" title="Photino">Photino</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal; text-align: center;">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Axino&action=edit&redlink=1" class="new" title="Axino (not yet started)">Axino</a></li> <li><a href="/w/index.php?title=Chargino&action=edit&redlink=1" class="new" title="Chargino (not yet started)">Chargino</a></li> <li><a href="/w/index.php?title=Higgsino&action=edit&redlink=1" class="new" title="Higgsino (not yet started)">Higgsino</a></li> <li><a href="/w/index.php?title=Neutralino&action=edit&redlink=1" class="new" title="Neutralino (not yet started)">Neutralino</a></li> <li><a href="/w/index.php?title=Sfermion&action=edit&redlink=1" class="new" title="Sfermion (not yet started)">Sfermion</a> (<a href="/w/index.php?title=Stop_squark&action=edit&redlink=1" class="new" title="Stop squark (not yet started)">Stop squark</a>)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal; text-align: center;">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Axion" title="Axion">Axion</a></li> <li><a href="/w/index.php?title=Curvaton&action=edit&redlink=1" class="new" title="Curvaton (not yet started)">Curvaton</a></li> <li><a href="/w/index.php?title=Dilaton&action=edit&redlink=1" class="new" title="Dilaton (not yet started)">Dilaton</a></li> <li><a href="/w/index.php?title=Dual_graviton&action=edit&redlink=1" class="new" title="Dual graviton (not yet started)">Dual graviton</a></li> <li><a href="/w/index.php?title=Graviphoton&action=edit&redlink=1" class="new" title="Graviphoton (not yet started)">Graviphoton</a></li> <li><a href="/wiki/Graviton" title="Graviton">Graviton</a></li> <li><a href="/w/index.php?title=Inflaton&action=edit&redlink=1" class="new" title="Inflaton (not yet started)">Inflaton</a></li> <li><a href="/w/index.php?title=Leptoquark&action=edit&redlink=1" class="new" title="Leptoquark (not yet started)">Leptoquark</a></li> <li><a href="/wiki/Magnetic_monopole" title="Magnetic monopole">Magnetic monopole</a></li> <li><a href="/w/index.php?title=Majoron&action=edit&redlink=1" class="new" title="Majoron (not yet started)">Majoron</a></li> <li><a href="/wiki/Majorana_fermion" title="Majorana fermion">Majorana fermion</a></li> <li><a href="/w/index.php?title=Dark_photon&action=edit&redlink=1" class="new" title="Dark photon (not yet started)">Dark photon</a></li> <li><a href="/w/index.php?title=Preon&action=edit&redlink=1" class="new" title="Preon (not yet started)">Preon</a></li> <li><a href="/wiki/Sterile_neutrino" title="Sterile neutrino">Sterile neutrino</a></li> <li><a href="/wiki/Tachyon" title="Tachyon">Tachyon</a></li> <li><a href="/w/index.php?title=W%E2%80%B2_and_Z%E2%80%B2_bosons&action=edit&redlink=1" class="new" title="W′ and Z′ bosons (not yet started)">W′ and Z′ bosons</a></li> <li><a href="/w/index.php?title=X_and_Y_bosons&action=edit&redlink=1" class="new" title="X and Y bosons (not yet started)">X and Y bosons</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/w/index.php?title=Bound_state&action=edit&redlink=1" class="new" title="Bound state (not yet started)">Composite</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Hadrons" scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Hadron" title="Hadron">Hadrons</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal; text-align: center;"><a href="/wiki/Baryon" title="Baryon">Baryons</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Nucleon" title="Nucleon">Nucleon</a> <ul><li><a href="/wiki/Proton" title="Proton">Proton</a></li> <li><a href="/wiki/Antiproton" title="Antiproton">Antiproton</a></li> <li><a href="/wiki/Neutron" title="Neutron">Neutron</a></li> <li><a href="/wiki/Antineutron" title="Antineutron">Antineutron</a></li></ul></li> <li><a href="/w/index.php?title=Delta_baryon&action=edit&redlink=1" class="new" title="Delta baryon (not yet started)">Delta baryon</a></li> <li><a href="/w/index.php?title=Lambda_baryon&action=edit&redlink=1" class="new" title="Lambda baryon (not yet started)">Lambda baryon</a></li> <li><a href="/w/index.php?title=Sigma_baryon&action=edit&redlink=1" class="new" title="Sigma baryon (not yet started)">Sigma baryon</a></li> <li><a href="/w/index.php?title=Xi_baryon&action=edit&redlink=1" class="new" title="Xi baryon (not yet started)">Xi baryon</a></li> <li><a href="/w/index.php?title=Omega_baryon&action=edit&redlink=1" class="new" title="Omega baryon (not yet started)">Omega baryon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal; text-align: center;"><a class="mw-selflink selflink">Mesons</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pion" title="Pion">Pion</a></li> <li><a href="/w/index.php?title=Rho_meson&action=edit&redlink=1" class="new" title="Rho meson (not yet started)">Rho meson</a></li> <li><a href="/w/index.php?title=Eta_meson&action=edit&redlink=1" class="new" title="Eta meson (not yet started)">Eta and eta prime mesons</a></li> <li><a href="/w/index.php?title=Bottom_eta_meson&action=edit&redlink=1" class="new" title="Bottom eta meson (not yet started)">Bottom eta meson</a></li> <li><a href="/w/index.php?title=Phi_meson&action=edit&redlink=1" class="new" title="Phi meson (not yet started)">Phi meson</a></li> <li><a href="/w/index.php?title=J/psi_meson&action=edit&redlink=1" class="new" title="J/psi meson (not yet started)">J/psi meson</a></li> <li><a href="/w/index.php?title=Omega_meson&action=edit&redlink=1" class="new" title="Omega meson (not yet started)">Omega meson</a></li> <li><a href="/w/index.php?title=Upsilon_meson&action=edit&redlink=1" class="new" title="Upsilon meson (not yet started)">Upsilon meson</a></li> <li><a href="/wiki/Kaon" title="Kaon">Kaon</a></li> <li><a href="/w/index.php?title=B_meson&action=edit&redlink=1" class="new" title="B meson (not yet started)">B meson</a></li> <li><a href="/w/index.php?title=D_meson&action=edit&redlink=1" class="new" title="D meson (not yet started)">D meson</a></li> <li><a href="/wiki/Quarkonium" title="Quarkonium">Quarkonium</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal; text-align: center;"><a href="/w/index.php?title=Exotic_hadron&action=edit&redlink=1" class="new" title="Exotic hadron (not yet started)">Exotic hadrons</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Tetraquark&action=edit&redlink=1" class="new" title="Tetraquark (not yet started)">Tetraquark</a> (<a href="/w/index.php?title=Double-charm_tetraquark&action=edit&redlink=1" class="new" title="Double-charm tetraquark (not yet started)">Double-charm tetraquark</a>)</li> <li><a href="/w/index.php?title=Pentaquark&action=edit&redlink=1" class="new" title="Pentaquark (not yet started)">Pentaquark</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;;font-weight:normal; text-align: center;">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Atomic_nucleus" title="Atomic nucleus">Atomic nuclei</a></li> <li><a href="/wiki/Atom" title="Atom">Atoms</a></li> <li><a href="/wiki/Exotic_atom" title="Exotic atom">Exotic atoms</a> <ul><li><a href="/wiki/Positronium" title="Positronium">Positronium</a></li> <li><a href="/w/index.php?title=Muonium&action=edit&redlink=1" class="new" title="Muonium (not yet started)">Muonium</a></li> <li><a href="/w/index.php?title=Tauonium&action=edit&redlink=1" class="new" title="Tauonium (not yet started)">Tauonium</a></li> <li><a href="/w/index.php?title=Onium&action=edit&redlink=1" class="new" title="Onium (not yet started)">Onia</a></li> <li><a href="/w/index.php?title=Pionium&action=edit&redlink=1" class="new" title="Pionium (not yet started)">Pionium</a></li> <li><a href="/w/index.php?title=Protonium&action=edit&redlink=1" class="new" title="Protonium (not yet started)">Protonium</a></li></ul></li> <li><a href="/wiki/Superatom" title="Superatom">Superatoms</a></li> <li><a href="/wiki/Molecule" title="Molecule">Molecules</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/w/index.php?title=Category:Hypothetical_composite_particles&action=edit&redlink=1" class="new" title="Category:Hypothetical composite particles (not yet started)">Hypothetical</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal;">Baryons</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Hexaquark&action=edit&redlink=1" class="new" title="Hexaquark (not yet started)">Hexaquark</a></li> <li><a href="/w/index.php?title=Heptaquark&action=edit&redlink=1" class="new" title="Heptaquark (not yet started)">Heptaquark</a></li> <li><a href="/wiki/Skyrmion" title="Skyrmion">Skyrmion</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal;">Mesons</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Glueball&action=edit&redlink=1" class="new" title="Glueball (not yet started)">Glueball</a></li> <li><a href="/w/index.php?title=Theta_meson&action=edit&redlink=1" class="new" title="Theta meson (not yet started)">Theta meson</a></li> <li><a href="/w/index.php?title=T_meson&action=edit&redlink=1" class="new" title="T meson (not yet started)">T meson</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal; text-align: center;;font-weight:normal; text-align: center;">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Mesonic_molecule&action=edit&redlink=1" class="new" title="Mesonic molecule (not yet started)">Mesonic molecule</a></li> <li><a href="/w/index.php?title=Pomeron&action=edit&redlink=1" class="new" title="Pomeron (not yet started)">Pomeron</a></li> <li><a href="/w/index.php?title=Diquark&action=edit&redlink=1" class="new" title="Diquark (not yet started)">Diquark</a></li> <li><a href="/w/index.php?title=R-hadron&action=edit&redlink=1" class="new" title="R-hadron (not yet started)">R-hadron</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Quasiparticle" title="Quasiparticle">Quasiparticles</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Anyon&action=edit&redlink=1" class="new" title="Anyon (not yet started)">Anyon</a></li> <li><a href="/w/index.php?title=Davydov_soliton&action=edit&redlink=1" class="new" title="Davydov soliton (not yet started)">Davydov soliton</a></li> <li><a href="/w/index.php?title=Dropleton&action=edit&redlink=1" class="new" title="Dropleton (not yet started)">Dropleton</a></li> <li><a href="/wiki/Exciton" title="Exciton">Exciton</a></li> <li><a href="/w/index.php?title=Fracton_(subdimensional_particle)&action=edit&redlink=1" class="new" title="Fracton (subdimensional particle) (not yet started)">Fracton</a></li> <li><a href="/wiki/Electron_hole" title="Electron hole">Hole</a></li> <li><a href="/wiki/Magnon" title="Magnon">Magnon</a></li> <li><a href="/wiki/Phonon" title="Phonon">Phonon</a></li> <li><a href="/w/index.php?title=Plasmaron&action=edit&redlink=1" class="new" title="Plasmaron (not yet started)">Plasmaron</a></li> <li><a href="/w/index.php?title=Plasmon&action=edit&redlink=1" class="new" title="Plasmon (not yet started)">Plasmon</a></li> <li><a href="/w/index.php?title=Polariton&action=edit&redlink=1" class="new" title="Polariton (not yet started)">Polariton</a></li> <li><a href="/w/index.php?title=Polaron&action=edit&redlink=1" class="new" title="Polaron (not yet started)">Polaron</a></li> <li><a href="/w/index.php?title=Roton&action=edit&redlink=1" class="new" title="Roton (not yet started)">Roton</a></li> <li><a href="/w/index.php?title=Trion_(physics)&action=edit&redlink=1" class="new" title="Trion (physics) (not yet started)">Trion</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Lists</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=List_of_baryons&action=edit&redlink=1" class="new" title="List of baryons (not yet started)">Baryons</a></li> <li><a href="/w/index.php?title=List_of_mesons&action=edit&redlink=1" class="new" title="List of mesons (not yet started)">Mesons</a></li> <li><a href="/w/index.php?title=List_of_particles&action=edit&redlink=1" class="new" title="List of particles (not yet started)">Particles</a></li> <li><a href="/w/index.php?title=List_of_quasiparticles&action=edit&redlink=1" class="new" title="List of quasiparticles (not yet started)">Quasiparticles</a></li> <li><a href="/w/index.php?title=Timeline_of_particle_discoveries&action=edit&redlink=1" class="new" title="Timeline of particle discoveries (not yet started)">Timeline of particle discoveries</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=History_of_subatomic_physics&action=edit&redlink=1" class="new" title="History of subatomic physics (not yet started)">History of subatomic physics</a> <ul><li><a href="/w/index.php?title=Timeline_of_atomic_and_subatomic_physics&action=edit&redlink=1" class="new" title="Timeline of atomic and subatomic physics (not yet started)">timeline</a></li></ul></li> <li><a href="/wiki/Standard_Model" title="Standard Model">Standard Model</a> <ul><li><a href="/w/index.php?title=Mathematical_formulation_of_the_Standard_Model&action=edit&redlink=1" class="new" title="Mathematical formulation of the Standard Model (not yet started)">mathematical formulation</a></li></ul></li> <li><a href="/wiki/Subatomic_particle" title="Subatomic particle">Subatomic particles</a></li> <li><a href="/wiki/Particle" title="Particle">Particles</a></li> <li><a href="/wiki/Antiparticle" title="Antiparticle">Antiparticles</a></li> <li><a href="/wiki/Nuclear_physics" title="Nuclear physics">Nuclear physics</a></li> <li><a href="/w/index.php?title=Eightfold_way_(physics)&action=edit&redlink=1" class="new" title="Eightfold way (physics) (not yet started)">Eightfold way</a> <ul><li><a href="/wiki/Quark_model" class="mw-redirect" title="Quark model">Quark model</a></li></ul></li> <li><a href="/w/index.php?title=Exotic_matter&action=edit&redlink=1" class="new" title="Exotic matter (not yet started)">Exotic matter</a></li> <li><a href="/w/index.php?title=Massless_particle&action=edit&redlink=1" class="new" title="Massless particle (not yet started)">Massless particle</a></li> <li><a href="/w/index.php?title=Relativistic_particle&action=edit&redlink=1" class="new" title="Relativistic particle (not yet started)">Relativistic particle</a></li> <li><a href="/wiki/Virtual_particle" title="Virtual particle">Virtual particle</a></li> <li><a href="/wiki/Wave%E2%80%93particle_duality" title="Wave–particle duality">Wave–particle duality</a></li> <li><a href="/w/index.php?title=Particle_chauvinism&action=edit&redlink=1" class="new" title="Particle chauvinism (not yet started)">Particle chauvinism</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img 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