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height: 1.125em;"> <img class="mw-logo-tagline" alt="Ensiklopedia Bebas" src="/static/images/mobile/copyright/wikipedia-tagline-id.svg" width="120" height="14" style="width: 7.5em; height: 0.875em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Istimewa:Pencarian" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Cari di Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Pencarian</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Telusuri Wikipedia" aria-label="Telusuri Wikipedia" autocapitalize="sentences" title="Cari di Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Istimewa:Pencarian"> </div> <button class="cdx-button cdx-search-input__end-button">Cari</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Perkakas pribadi"> <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="Tampilan"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <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="Tampilan" > <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">Tampilan</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_id.wikipedia.org&uselang=id" class=""><span>Menyumbang</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=Istimewa:Buat_akun&returnto=Partikel+Alfa" title="Anda dianjurkan untuk membuat akun dan masuk log; meskipun, hal itu tidak diwajibkan" class=""><span>Buat akun baru</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=Istimewa:Masuk_log&returnto=Partikel+Alfa" title="Anda disarankan untuk masuk log, meskipun hal itu tidak diwajibkan. [o]" accesskey="o" class=""><span>Masuk log</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="Opsi lainnya" > <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="Perkakas pribadi" > <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">Perkakas pribadi</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menu pengguna" > <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_id.wikipedia.org&uselang=id"><span>Menyumbang</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Istimewa:Buat_akun&returnto=Partikel+Alfa" title="Anda dianjurkan untuk membuat akun dan masuk log; meskipun, hal itu tidak diwajibkan"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Buat akun baru</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Istimewa:Masuk_log&returnto=Partikel+Alfa" title="Anda disarankan untuk masuk log, meskipun hal itu tidak diwajibkan. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Masuk log</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"> Halaman penyunting yang telah keluar log <a href="/wiki/Bantuan:Pengantar" aria-label="Pelajari lebih lanjut tentang menyunting"><span>pelajari lebih lanjut</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/Istimewa:Kontribusi_saya" title="Daftar suntingan yang dibuat dari alamat IP ini [y]" accesskey="y"><span>Kontribusi</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Istimewa:Pembicaraan_saya" title="Pembicaraan tentang suntingan dari alamat IP ini [n]" accesskey="n"><span>Pembicaraan</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="Situs"> <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="Daftar isi" 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">Daftar isi</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">pindah ke bilah sisi</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">sembunyikan</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">Awal</div> </a> </li> <li id="toc-Referensi" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referensi"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Referensi</span> </div> </a> <ul id="toc-Referensi-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="Daftar isi" 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="Gulingkan daftar isi" > <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">Gulingkan daftar isi</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">Partikel Alfa</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="Pergi ke artikel dalam bahasa lain. Terdapat 74 bahasa" > <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-74" 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">74 bahasa</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/Alfadeeltjie" title="Alfadeeltjie – Afrikaans" lang="af" hreflang="af" data-title="Alfadeeltjie" 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%AC%D8%B3%D9%8A%D9%85_%D8%A3%D9%84%D9%81%D8%A7" title="جسيم ألفا – Arab" lang="ar" hreflang="ar" data-title="جسيم ألفا" data-language-autonym="العربية" data-language-local-name="Arab" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%81%D8%B1%D8%AA%D9%8A%D8%AA%D8%A9_%D8%A3%D9%84%D9%81%D8%A7" title="فرتيتة ألفا – Arab Maroko" lang="ary" hreflang="ary" data-title="فرتيتة ألفا" data-language-autonym="الدارجة" data-language-local-name="Arab Maroko" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Part%C3%ADcula_alfa" title="Partícula alfa – Asturia" lang="ast" hreflang="ast" data-title="Partícula alfa" data-language-autonym="Asturianu" data-language-local-name="Asturia" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Alfa_hiss%C9%99ciyi" title="Alfa hissəciyi – Azerbaijani" lang="az" hreflang="az" data-title="Alfa hissəciyi" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D0%BB%D1%8C%D1%84%D0%B0-%D1%87%D0%B0%D1%81%D1%86%D1%96%D1%86%D0%B0" title="Альфа-часціца – Belarusia" lang="be" hreflang="be" data-title="Альфа-часціца" data-language-autonym="Беларуская" data-language-local-name="Belarusia" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%90%D0%BB%D1%8C%D1%84%D0%B0-%D1%87%D0%B0%D1%81%D1%8C%D1%86%D1%96%D0%BD%D0%BA%D0%B0" title="Альфа-часьцінка – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Альфа-часьцінка" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%90%D0%BB%D1%84%D0%B0-%D1%87%D0%B0%D1%81%D1%82%D0%B8%D1%86%D0%B0" title="Алфа-частица – Bulgaria" lang="bg" hreflang="bg" data-title="Алфа-частица" data-language-autonym="Български" data-language-local-name="Bulgaria" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%86%E0%A6%B2%E0%A6%AB%E0%A6%BE_%E0%A6%95%E0%A6%A3%E0%A6%BE" title="আলফা কণা – Bengali" lang="bn" hreflang="bn" data-title="আলফা কণা" data-language-autonym="বাংলা" data-language-local-name="Bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A8%E0%BD%A3%E0%BC%8B%E0%BD%95%E0%BC%8B%E0%BD%A2%E0%BE%A1%E0%BD%B4%E0%BD%A3%E0%BC%8D" title="ཨལ་ཕ་རྡུལ། – Tibet" lang="bo" hreflang="bo" data-title="ཨལ་ཕ་རྡུལ།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibet" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Alfa_%C4%8Destica" title="Alfa čestica – Bosnia" lang="bs" hreflang="bs" data-title="Alfa čestica" data-language-autonym="Bosanski" data-language-local-name="Bosnia" 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/Part%C3%ADcula_%CE%B1" title="Partícula α – Katalan" lang="ca" hreflang="ca" data-title="Partícula α" data-language-autonym="Català" data-language-local-name="Katalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AA%DB%95%D9%86%DB%86%DA%A9%DB%95%DB%8C_%D8%A6%DB%95%D9%84%D9%81%D8%A7" title="تەنۆکەی ئەلفا – Kurdi Sorani" lang="ckb" hreflang="ckb" data-title="تەنۆکەی ئەلفا" data-language-autonym="کوردی" data-language-local-name="Kurdi Sorani" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/%C4%8C%C3%A1stice_alfa" title="Částice alfa – Cheska" lang="cs" hreflang="cs" data-title="Částice alfa" data-language-autonym="Čeština" data-language-local-name="Cheska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%90%D0%BB%D1%8C%D1%84%D0%B0-%D0%BF%C4%95%D1%80%D1%87%C4%95" title="Альфа-пĕрчĕ – Chuvash" lang="cv" hreflang="cv" data-title="Альфа-пĕрчĕ" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da badge-Q70894304 mw-list-item" title=""><a href="https://da.wikipedia.org/wiki/Alfapartikel" title="Alfapartikel – Dansk" lang="da" hreflang="da" data-title="Alfapartikel" data-language-autonym="Dansk" data-language-local-name="Dansk" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/Alphateilchen" title="Alphateilchen – Jerman" lang="de" hreflang="de" data-title="Alphateilchen" data-language-autonym="Deutsch" data-language-local-name="Jerman" 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%A3%CF%89%CE%BC%CE%B1%CF%84%CE%AF%CE%B4%CE%B9%CE%BF_%CE%AC%CE%BB%CF%86%CE%B1" title="Σωματίδιο άλφα – Yunani" lang="el" hreflang="el" data-title="Σωματίδιο άλφα" data-language-autonym="Ελληνικά" data-language-local-name="Yunani" 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/Alpha_particle" title="Alpha particle – Inggris" lang="en" hreflang="en" data-title="Alpha particle" data-language-autonym="English" data-language-local-name="Inggris" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo badge-Q70893996 mw-list-item" title=""><a href="https://eo.wikipedia.org/wiki/Alfa-partiklo" title="Alfa-partiklo – Esperanto" lang="eo" hreflang="eo" data-title="Alfa-partiklo" 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/Part%C3%ADcula_alfa" title="Partícula alfa – Spanyol" lang="es" hreflang="es" data-title="Partícula alfa" data-language-autonym="Español" data-language-local-name="Spanyol" 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/Alfaosake" title="Alfaosake – Esti" lang="et" hreflang="et" data-title="Alfaosake" data-language-autonym="Eesti" data-language-local-name="Esti" 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/Alfa_partikula" title="Alfa partikula – Basque" lang="eu" hreflang="eu" data-title="Alfa partikula" 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/%D8%B0%D8%B1%D8%A7%D8%AA_%D8%A2%D9%84%D9%81%D8%A7" title="ذرات آلفا – Persia" lang="fa" hreflang="fa" data-title="ذرات آلفا" data-language-autonym="فارسی" data-language-local-name="Persia" 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/Alfahiukkanen" title="Alfahiukkanen – Suomi" lang="fi" hreflang="fi" data-title="Alfahiukkanen" data-language-autonym="Suomi" data-language-local-name="Suomi" 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/Particule_%CE%B1" title="Particule α – Prancis" lang="fr" hreflang="fr" data-title="Particule α" data-language-autonym="Français" data-language-local-name="Prancis" 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/Alfa-ch%C3%A1ithn%C3%ADn" title="Alfa-cháithnín – Irlandia" lang="ga" hreflang="ga" data-title="Alfa-cháithnín" data-language-autonym="Gaeilge" data-language-local-name="Irlandia" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Part%C3%ADcula_alfa" title="Partícula alfa – Galisia" lang="gl" hreflang="gl" data-title="Partícula alfa" data-language-autonym="Galego" data-language-local-name="Galisia" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he badge-Q70893996 mw-list-item" title=""><a href="https://he.wikipedia.org/wiki/%D7%97%D7%9C%D7%A7%D7%99%D7%A7_%D7%90%D7%9C%D7%A4%D7%90" title="חלקיק אלפא – Ibrani" lang="he" hreflang="he" data-title="חלקיק אלפא" data-language-autonym="עברית" data-language-local-name="Ibrani" 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%85%E0%A4%B2%E0%A5%8D%E0%A4%AB%E0%A4%BE_%E0%A4%95%E0%A4%A3" title="अल्फा कण – Hindi" lang="hi" hreflang="hi" data-title="अल्फा कण" 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/Alfa-%C4%8Destica" title="Alfa-čestica – Kroasia" lang="hr" hreflang="hr" data-title="Alfa-čestica" data-language-autonym="Hrvatski" data-language-local-name="Kroasia" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Patikil_alfa" title="Patikil alfa – Kreol Haiti" lang="ht" hreflang="ht" data-title="Patikil alfa" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Kreol Haiti" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B1%D5%AC%D6%86%D5%A1-%D5%B4%D5%A1%D5%BD%D5%B6%D5%AB%D5%AF" title="Ալֆա-մասնիկ – Armenia" lang="hy" hreflang="hy" data-title="Ալֆա-մասնիկ" data-language-autonym="Հայերեն" data-language-local-name="Armenia" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Particella_%CE%B1" title="Particella α – Italia" lang="it" hreflang="it" data-title="Particella α" data-language-autonym="Italiano" data-language-local-name="Italia" 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%82%A2%E3%83%AB%E3%83%95%E3%82%A1%E7%B2%92%E5%AD%90" title="アルファ粒子 – Jepang" lang="ja" hreflang="ja" data-title="アルファ粒子" data-language-autonym="日本語" data-language-local-name="Jepang" 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%90%E1%83%9A%E1%83%A4%E1%83%90-%E1%83%9C%E1%83%90%E1%83%AC%E1%83%98%E1%83%9A%E1%83%90%E1%83%99%E1%83%98" title="ალფა-ნაწილაკი – Georgia" lang="ka" hreflang="ka" data-title="ალფა-ნაწილაკი" data-language-autonym="ქართული" data-language-local-name="Georgia" 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%90%D0%BB%D1%8C%D1%84%D0%B0-%D0%B1%D3%A9%D0%BB%D1%88%D0%B5%D0%BA" title="Альфа-бөлшек – Kazakh" lang="kk" hreflang="kk" data-title="Альфа-бөлшек" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%85%E0%B2%B2%E0%B3%8D%E0%B2%AB_%E0%B2%95%E0%B2%A3" title="ಅಲ್ಫ ಕಣ – Kannada" lang="kn" hreflang="kn" data-title="ಅಲ್ಫ ಕಣ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%95%8C%ED%8C%8C_%EC%9E%85%EC%9E%90" title="알파 입자 – Korea" lang="ko" hreflang="ko" data-title="알파 입자" data-language-autonym="한국어" data-language-local-name="Korea" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/T%C3%AEr%C3%AAj%C3%AAn_alfay%C3%AA" title="Tîrêjên alfayê – Kurdi" lang="ku" hreflang="ku" data-title="Tîrêjên alfayê" data-language-autonym="Kurdî" data-language-local-name="Kurdi" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Raggi_alfa" title="Raggi alfa – Liguria" lang="lij" hreflang="lij" data-title="Raggi alfa" data-language-autonym="Ligure" data-language-local-name="Liguria" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Alfa_dalel%C4%97" title="Alfa dalelė – Lituavi" lang="lt" hreflang="lt" data-title="Alfa dalelė" data-language-autonym="Lietuvių" data-language-local-name="Lituavi" 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/Alfa_da%C4%BCi%C5%86a" title="Alfa daļiņa – Latvi" lang="lv" hreflang="lv" data-title="Alfa daļiņa" data-language-autonym="Latviešu" data-language-local-name="Latvi" 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%90%D0%BB%D1%84%D0%B0-%D1%87%D0%B5%D1%81%D1%82%D0%B8%D1%87%D0%BA%D0%B0" title="Алфа-честичка – Makedonia" lang="mk" hreflang="mk" data-title="Алфа-честичка" data-language-autonym="Македонски" data-language-local-name="Makedonia" 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%86%E0%B5%BD%E0%B4%AB%E0%B4%BE_%E0%B4%95%E0%B4%A3%E0%B4%82" title="ആൽഫാ കണം – Malayalam" lang="ml" hreflang="ml" data-title="ആൽഫാ കണം" 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/Zarah_alfa" title="Zarah alfa – Melayu" lang="ms" hreflang="ms" data-title="Zarah alfa" data-language-autonym="Bahasa Melayu" data-language-local-name="Melayu" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%9A%E1%80%BA%E1%80%9C%E1%80%BA%E1%80%96%E1%80%AC%E1%80%A1%E1%80%99%E1%80%BE%E1%80%AF%E1%80%94%E1%80%BA" title="အယ်လ်ဖာအမှုန် – Burma" lang="my" hreflang="my" data-title="အယ်လ်ဖာအမှုန်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burma" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds badge-Q70894304 mw-list-item" title=""><a href="https://nds.wikipedia.org/wiki/Alphadeelken" title="Alphadeelken – Jerman Rendah" lang="nds" hreflang="nds" data-title="Alphadeelken" data-language-autonym="Plattdüütsch" data-language-local-name="Jerman Rendah" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Alfadeeltje" title="Alfadeeltje – Belanda" lang="nl" hreflang="nl" data-title="Alfadeeltje" data-language-autonym="Nederlands" data-language-local-name="Belanda" 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/Alfapartikkel" title="Alfapartikkel – Nynorsk Norwegia" lang="nn" hreflang="nn" data-title="Alfapartikkel" data-language-autonym="Norsk nynorsk" data-language-local-name="Nynorsk Norwegia" 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/Alfapartikkel" title="Alfapartikkel – Bokmål Norwegia" lang="nb" hreflang="nb" data-title="Alfapartikkel" data-language-autonym="Norsk bokmål" data-language-local-name="Bokmål Norwegia" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%85%E0%A8%B2%E0%A8%AB%E0%A8%BE_%E0%A8%95%E0%A8%A3" title="ਅਲਫਾ ਕਣ – Punjabi" lang="pa" hreflang="pa" data-title="ਅਲਫਾ ਕਣ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl badge-Q70894304 mw-list-item" title=""><a href="https://pl.wikipedia.org/wiki/Cz%C4%85stka_alfa" title="Cząstka alfa – Polski" lang="pl" hreflang="pl" data-title="Cząstka alfa" data-language-autonym="Polski" data-language-local-name="Polski" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A7%DB%8C%D9%84%D9%81%D8%A7_%D9%BE%D8%A7%D8%B1%D9%B9%DB%8C%DA%A9%D9%84" title="ایلفا پارٹیکل – Western Punjabi" lang="pnb" hreflang="pnb" data-title="ایلفا پارٹیکل" 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/Part%C3%ADcula_alfa" title="Partícula alfa – Portugis" lang="pt" hreflang="pt" data-title="Partícula alfa" data-language-autonym="Português" data-language-local-name="Portugis" 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/Particul%C4%83_alfa" title="Particulă alfa – Rumania" lang="ro" hreflang="ro" data-title="Particulă alfa" data-language-autonym="Română" data-language-local-name="Rumania" 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%90%D0%BB%D1%8C%D1%84%D0%B0-%D1%87%D0%B0%D1%81%D1%82%D0%B8%D1%86%D0%B0" title="Альфа-частица – Rusia" lang="ru" hreflang="ru" data-title="Альфа-частица" data-language-autonym="Русский" data-language-local-name="Rusia" 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/Alfa-%C4%8Destica" title="Alfa-čestica – Serbo-Kroasia" lang="sh" hreflang="sh" data-title="Alfa-čestica" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Kroasia" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%87%E0%B6%BD%E0%B7%8A%E0%B7%86%E0%B7%8F_%E0%B6%85%E0%B6%82%E0%B7%81%E0%B7%94%E0%B7%80" title="ඇල්ෆා අංශුව – Sinhala" lang="si" hreflang="si" data-title="ඇල්ෆා අංශුව" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Alpha_particle" title="Alpha particle – Simple English" lang="en-simple" hreflang="en-simple" data-title="Alpha particle" 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/%C4%8Castica_alfa" title="Častica alfa – Slovak" lang="sk" hreflang="sk" data-title="Častica alfa" 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/Delec_alfa" title="Delec alfa – Sloven" lang="sl" hreflang="sl" data-title="Delec alfa" data-language-autonym="Slovenščina" data-language-local-name="Sloven" 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/Alfa_%C4%8Destica" title="Alfa čestica – Serbia" lang="sr" hreflang="sr" data-title="Alfa čestica" data-language-autonym="Српски / srpski" data-language-local-name="Serbia" 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/Alfastr%C3%A5lning" title="Alfastrålning – Swedia" lang="sv" hreflang="sv" data-title="Alfastrålning" data-language-autonym="Svenska" data-language-local-name="Swedia" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%B2%E0%AF%8D%E0%AE%83%E0%AE%AA%E0%AE%BE_%E0%AE%A4%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%8D" title="ஆல்ஃபா துகள் – Tamil" lang="ta" hreflang="ta" data-title="ஆல்ஃபா துகள்" 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%B8%AD%E0%B8%99%E0%B8%B8%E0%B8%A0%E0%B8%B2%E0%B8%84%E0%B9%81%E0%B8%AD%E0%B8%A5%E0%B8%9F%E0%B8%B2" title="อนุภาคแอลฟา – Thai" lang="th" hreflang="th" data-title="อนุภาคแอลฟา" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Alfa_par%C3%A7ac%C4%B1%C4%9F%C4%B1" title="Alfa parçacığı – Turki" lang="tr" hreflang="tr" data-title="Alfa parçacığı" data-language-autonym="Türkçe" data-language-local-name="Turki" 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%90%D0%BB%D1%8C%D1%84%D0%B0-%D1%87%D0%B0%D1%81%D1%82%D0%B8%D0%BD%D0%BA%D0%B0" title="Альфа-частинка – Ukraina" lang="uk" hreflang="uk" data-title="Альфа-частинка" data-language-autonym="Українська" data-language-local-name="Ukraina" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Alfa-zarralar" title="Alfa-zarralar – Uzbek" lang="uz" hreflang="uz" data-title="Alfa-zarralar" 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-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/H%E1%BA%A1t_alpha" title="Hạt alpha – Vietnam" lang="vi" hreflang="vi" data-title="Hạt alpha" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnam" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Partikulo_Alpha" title="Partikulo Alpha – Warai" lang="war" hreflang="war" data-title="Partikulo Alpha" data-language-autonym="Winaray" data-language-local-name="Warai" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%CE%91%E7%B2%92%E5%AD%90" title="Α粒子 – Wu Tionghoa" lang="wuu" hreflang="wuu" data-title="Α粒子" data-language-autonym="吴语" data-language-local-name="Wu Tionghoa" 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%91%E7%B2%92%E5%AD%90" title="Α粒子 – Tionghoa" lang="zh" hreflang="zh" data-title="Α粒子" data-language-autonym="中文" data-language-local-name="Tionghoa" 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/%E7%94%B2%E7%A8%AE%E5%B0%84%E7%B6%AB" title="甲種射綫 – Kanton" lang="yue" hreflang="yue" data-title="甲種射綫" data-language-autonym="粵語" data-language-local-name="Kanton" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q103517#sitelinks-wikipedia" title="Sunting pranala interwiki" class="wbc-editpage">Sunting pranala</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Ruang nama"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet 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class="mw-content-ltr mw-parser-output" lang="id" dir="ltr"><table class="infobox" style="width: 20em; text-align: left; font-size: 90%" cellspacing="2"> <tbody><tr> <td style="font-size: 110%;" colspan="2"><center><i><b>Partikel Alfa</b></i></center> </td></tr> <tr> <td colspan="2"><center><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Berkas:Alpha_Decay.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Alpha_Decay.svg/250px-Alpha_Decay.svg.png" decoding="async" width="250" height="170" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/79/Alpha_Decay.svg/375px-Alpha_Decay.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/79/Alpha_Decay.svg/500px-Alpha_Decay.svg.png 2x" data-file-width="250" data-file-height="170" /></a><figcaption></figcaption></figure></center> </td></tr> <tr> <td colspan="2"><center><small><a href="/wiki/Peluruhan_alfa" title="Peluruhan alfa">Peluruhan alfa</a></small></center> </td></tr> <tr> <td><b>Komposisi:</b></td> <td>2 proton, 2 neutron </td></tr> <tr> <td><b>Simbol:</b></td> <td>α, α<sup>2+</sup>, He<sup>2+</sup> </td></tr> <tr> <td><b><a href="/w/index.php?title=Massa_invarian&action=edit&redlink=1" class="new" title="Massa invarian (halaman belum tersedia)">Massa</a>:</b></td> <td><span class="nowrap"><span data-sort-value="6973664465723000000♠"></span>6,644657</span>230(82)<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>−27</sup> <a href="/wiki/Kilogram" title="Kilogram">kg</a><sup id="cite_ref-NIST_1-0" class="reference"><a href="#cite_note-NIST-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><br /> <p><span class="nowrap"><span data-sort-value="7000400150617912700♠"></span>4,001506</span>179127(63) <a href="/wiki/Unified_atomic_mass_unit" class="mw-redirect" title="Unified atomic mass unit">u</a><br /> <span class="nowrap"><span data-sort-value="7000372737937800000♠"></span>3,727379</span>378(23) <a href="/wiki/Electronvolt#Mass" class="mw-redirect" title="Electronvolt">GeV/<i>c</i><sup>2</sup></a> </p> </td></tr> <tr> <td><b><a href="/wiki/Muatan_listrik" title="Muatan listrik">Muatan listrik</a>:</b></td> <td>2 <a href="/wiki/Elementary_charge" class="mw-redirect" title="Elementary charge">e</a> </td></tr> <tr> <td><b><a href="/wiki/Spin_(fisika)" class="mw-redirect" title="Spin (fisika)">Spin</a>:</b></td> <td>0<sup id="cite_ref-Krane_2-0" class="reference"><a href="#cite_note-Krane-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </td></tr> </tbody></table> <figure typeof="mw:File/Thumb"><a href="/wiki/Berkas:Alphaparticlemagnetic.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Alphaparticlemagnetic.svg/303px-Alphaparticlemagnetic.svg.png" decoding="async" width="303" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/Alphaparticlemagnetic.svg/455px-Alphaparticlemagnetic.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/44/Alphaparticlemagnetic.svg/606px-Alphaparticlemagnetic.svg.png 2x" data-file-width="291" data-file-height="157" /></a><figcaption>Partikel alpha terdefleksi oleh medan magnet</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/Berkas:Alfa_beta_gamma_radiation.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Alfa_beta_gamma_radiation.svg/280px-Alfa_beta_gamma_radiation.svg.png" decoding="async" width="280" height="373" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Alfa_beta_gamma_radiation.svg/420px-Alfa_beta_gamma_radiation.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Alfa_beta_gamma_radiation.svg/560px-Alfa_beta_gamma_radiation.svg.png 2x" data-file-width="600" data-file-height="800" /></a><figcaption>Radiasi alpha terdiri dari nukleus <a href="/wiki/Helium-4" title="Helium-4">helium-4</a> dan dapat dengan mudah dihentikan dengan selembar kertas saja. <a href="/wiki/Radiasi_beta" class="mw-redirect" title="Radiasi beta">Radiasi beta</a>, yang terdiri dari <a href="/wiki/Elektron" title="Elektron">elektron</a>, dapat dihentikan dengan lempengan <a href="/wiki/Aluminium" title="Aluminium">aluminium</a>. <a href="/wiki/Radiasi_gamma" class="mw-redirect" title="Radiasi gamma">Radiasi gamma</a> <a href="/wiki/Absorpsi_(kimia)" title="Absorpsi (kimia)">diabsorbsi</a> secara perlahan pada saat mempenetrasi material yang padat.</figcaption></figure> <p><b>Partikel Alpha</b> (dinamakan sesuai huruf pertama pada <a href="/wiki/Abjad_Yunani" class="mw-redirect" title="Abjad Yunani">abjad Yunani</a>, α) adalah bentuk <a href="/wiki/Radiasi" title="Radiasi">radiasi</a> <a href="/wiki/Partikel" title="Partikel">partikel</a> yang sangat menyebabkan <a href="/wiki/Ionisasi" title="Ionisasi">ionisasi</a>, dan kemampuan penetrasinya rendah. Partikel tersebut terdiri dari dua buah <a href="/wiki/Proton" title="Proton">proton</a> dan dua buah <a href="/wiki/Neutron" title="Neutron">neutron</a> yang terikat menjadi sebuah partikel yang identik dengan <a href="/wiki/Inti_atom" title="Inti atom">nukleus</a> <a href="/wiki/Helium" title="Helium">helium</a>, dan karenanya dapat ditulis juga sebagai He<sup>2+</sup>. </p><p>Partikel Alpha dipancarkan oleh nuklei yang <a href="/wiki/Radioaktif" class="mw-disambig" title="Radioaktif">radioaktif</a> seperti <a href="/wiki/Uranium" title="Uranium">uranium</a> atau <a href="/wiki/Radium" title="Radium">radium</a> dalam proses yang disebut dengan <a href="/wiki/Peluruhan_alpha" class="mw-redirect" title="Peluruhan alpha">peluruhan alpha</a>. Kadang-kadang proses ini membuat nukleus berada dalam <i>excited state</i> dan akan memancarkan <a href="/wiki/Sinar_gamma" class="mw-redirect" title="Sinar gamma">sinar gamma</a> untuk membuang <a href="/wiki/Energi" title="Energi">energi</a> yang lebih. </p><p>Setelah partikel alpha dipancarkan, <a href="/wiki/Massa_atom" title="Massa atom">massa atom</a> dari elemen yang memancarkan akan turun kira-kira sebesar 4 <a href="/wiki/Satuan_massa_atom" class="mw-redirect" title="Satuan massa atom">amu</a>. Ini dikarenakan oleh hilangnya 4 <a href="/wiki/Nukleon" title="Nukleon">nukleon</a>. <a href="/wiki/Nomor_atom" title="Nomor atom">Nomor atom</a> dari atom yang bersangkutan turun 2, karena hilangnya 2 proton dari atom tersebut, menjadikannya elemen yang baru. Contohnya adalah radium yang menjadi gas <a href="/wiki/Radon" title="Radon">radon</a> karena peluruhan alpha. </p><p>Partikel Alpha tidak dapat menembus kertas yang agak tebal karena muatannya. </p> <div class="mw-heading mw-heading2"><h2 id="Referensi">Referensi</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Partikel_Alfa&veaction=edit&section=1" title="Sunting bagian: Referensi" class="mw-editsection-visualeditor"><span>sunting</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Partikel_Alfa&action=edit&section=1" title="Sunting kode sumber bagian: Referensi"><span>sunting sumber</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r18833634">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-NIST-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-NIST_1-0">^</a></b></span> <span class="reference-text"> <cite class="citation web"><a rel="nofollow" class="external text" href="http://physics.nist.gov/cgi-bin/cuu/Value?mal">"CODATA Value: Alpha particle mass"</a>. <a href="/wiki/NIST" class="mw-redirect" title="NIST">NIST</a><span class="reference-accessdate">. Diakses tanggal <span class="nowrap">15 September</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=CODATA+Value%3A+Alpha+particle+mass&rft.pub=NIST&rft_id=http%3A%2F%2Fphysics.nist.gov%2Fcgi-bin%2Fcuu%2FValue%3Fmal&rfr_id=info%3Asid%2Fid.wikipedia.org%3APartikel+Alfa" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Krane-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-Krane_2-0">^</a></b></span> <span class="reference-text"> <cite class="citation book">Krane, Kenneth S. (1988). <a rel="nofollow" class="external text" href="https://archive.org/details/introductorynucl00kran"><i>Introductory Nuclear Physics</i></a>. <a href="/wiki/John_Wiley_%26_Sons" title="John Wiley & Sons">John Wiley & Sons</a>. hlm. <a rel="nofollow" class="external text" href="https://archive.org/details/introductorynucl00kran/page/n268">246</a>–269. <a href="/wiki/International_Standard_Book_Number" class="mw-redirect" title="International Standard Book Number">ISBN</a> <a href="/wiki/Istimewa:Sumber_buku/0-471-80553-X" title="Istimewa:Sumber buku/0-471-80553-X">0-471-80553-X</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Introductory+Nuclear+Physics&rft.pages=246-269&rft.pub=John+Wiley+%26+Sons&rft.date=1988&rft.isbn=0-471-80553-X&rft.aulast=Krane&rft.aufirst=Kenneth+S.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fintroductorynucl00kran&rfr_id=info%3Asid%2Fid.wikipedia.org%3APartikel+Alfa" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div></div> <p><br /> </p> <style data-mw-deduplicate="TemplateStyles:r18342415">.mw-parser-output .asbox{position:relative;overflow:hidden}.mw-parser-output .asbox table{background:transparent}.mw-parser-output .asbox p{margin:0}.mw-parser-output .asbox p+p{margin-top:0.25em}.mw-parser-output .asbox-body{font-style:italic}.mw-parser-output .asbox-note{font-size:smaller}.mw-parser-output .asbox .navbar{position:absolute;top:-0.75em;right:1em;display:none}</style><div role="note" class="metadata plainlinks asbox stub"><table role="presentation"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/Berkas:Atom_editor_logo_black.svg" class="mw-file-description"><img alt="Ikon rintisan" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Atom_editor_logo_black.svg/30px-Atom_editor_logo_black.svg.png" decoding="async" width="30" height="27" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Atom_editor_logo_black.svg/45px-Atom_editor_logo_black.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Atom_editor_logo_black.svg/60px-Atom_editor_logo_black.svg.png 2x" data-file-width="131" data-file-height="120" /></a></span></td><td><p class="asbox-body">Artikel bertopik <a href="/wiki/Fisika" title="Fisika">fisika</a> ini adalah sebuah <a href="/wiki/Wikipedia:Rintisan" class="mw-redirect" title="Wikipedia:Rintisan">rintisan</a>. 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