Fizikte, spin’i 1\/2 olan (fermiyon) ve g\u00fc\u00e7l\u00fc etkile\u015fime girmeyen par\u00e7ac\u0131klar lepton olarak adland\u0131r\u0131l\u0131r. <\/p>\n
Leptonlar\u0131n \u00f6zellikleri <\/p>\n
Bilinen \u00fc\u00e7 lepton \u00e7e\u015fnisi bulunmaktad\u0131r: elektron, m\u00fcon ve tau. Her \u00e7e\u015fni zay\u0131f dublet olarak adland\u0131r\u0131lan bir par\u00e7ac\u0131k \u00e7iftine kar\u015f\u0131l\u0131k gelir. Dubletteki par\u00e7ac\u0131klardan birinin k\u00fctlesi ve elektrik y\u00fck\u00fc vard\u0131r ve ismi \u00e7e\u015fni ile ayn\u0131d\u0131r (\u00f6rne\u011fin elektron). Di\u011feri n\u00f6trino olarak adland\u0131r\u0131lan k\u00fctlesiz ve y\u00fcks\u00fcz bir par\u00e7ac\u0131kt\u0131r. Bu par\u00e7ac\u0131klar\u0131n alt\u0131s\u0131n\u0131n da kendine ait kar\u015f\u0131-par\u00e7ac\u0131klar\u0131 vard\u0131r. Bilinen t\u00fcm y\u00fckl\u00fc leptonlar, par\u00e7ac\u0131k veya kar\u015f\u0131-par\u00e7ac\u0131k olmas\u0131na ba\u011fl\u0131 olarak art\u0131 veya eksi, bir birim elektrik y\u00fck\u00fc (e) ta\u015f\u0131r. T\u00fcm n\u00f6trinolar veya kar\u015f\u0131t-n\u00f6trinolar s\u0131f\u0131r elektrik y\u00fck\u00fc ta\u015f\u0131r. Y\u00fckl\u00fc leptonlar\u0131n her uzay boyutu i\u00e7in iki olas\u0131 spin durumu vard\u0131r, \u00f6te yandan n\u00f6trinolar tek bir helisite durumunda bulunur (t\u00fcm n\u00f6trinolar sol-elli, t\u00fcm kar\u015f\u0131t-n\u00f6trinolar ise sa\u011f-ellidir)
\n Lepton k\u00fctleleri Koide form\u00fcl\u00fc olarak adland\u0131r\u0131lan basit bir denkleme uyarlar, ancak bu durumun nedeni hen\u00fcz temel ilkeler ile a\u00e7\u0131klanabilmi\u015f de\u011fildir.
\n Par\u00e7ac\u0131k etkile\u015fimlerinde her bir \u00e7e\u015fni i\u00e7in etkile\u015fime giren ve \u00e7\u0131kan lepton say\u0131s\u0131n\u0131n ayn\u0131 kald\u0131\u011f\u0131 g\u00f6r\u00fcl\u00fcr. Bu durum lepton say\u0131s\u0131n\u0131n korunumu yasas\u0131 olarak adland\u0131r\u0131l\u0131r. Farkl\u0131 \u00e7e\u015fniler i\u00e7in lepton say\u0131s\u0131 korunumu (\u00f6rne\u011fin elektron say\u0131s\u0131 veya m\u00fcon say\u0131s\u0131) ilkesinin n\u00f6trino sal\u0131n\u0131mlar\u0131 gibi baz\u0131 \u00f6zel durumlarda \u00e7i\u011fnenebilmektedir. Bu durumda t\u00fcm \u00e7e\u015fnilere ait lepton say\u0131s\u0131 korunumu daha ge\u00e7erli bir korunum yasas\u0131d\u0131r; ancak bu ilke de Standart Model’de kiral anomalisi ile ifade edilen g\u00f6r\u00fcng\u00fcden \u00f6t\u00fcr\u00fc k\u00fc\u00e7\u00fck \u00f6l\u00e7\u00fcde \u00e7i\u011fnenebilmektedir.
\n Lepton-ayar bozonu ba\u011fla\u015f\u0131mlar\u0131 \u00e7e\u015fniden ba\u011f\u0131ms\u0131zd\u0131r. Bu \u00f6zellik lepton evreenselli\u011fi olarak adland\u0131r\u0131l\u0131r ve \u00f6zellikle SLC ve LEP deneylerinde tau ve m\u00fcon bozunum s\u00fcreleri ve Z-bozonu k\u0131smi bozunum geni\u015fli\u011fi \u00f6l\u00e7\u00fcmleri ile s\u0131nanm\u0131\u015ft\u0131r.<\/p>\n
Etimolojik K\u00f6ken <\/p>\n
Oxford \u0130ngilizce S\u00f6zl\u00fc\u011f\u00fcne g\u00f6re “lepton” ismi (Yunanca leptos kelimesinden) ilk olarak L\u00e9on Rosenfeld adl\u0131 fizik\u00e7i taraf\u0131ndan 1948 y\u0131l\u0131nda kullan\u0131lm\u0131\u015ft\u0131r:
\n Following a suggestion of Prof. C. M\u00f8ller, I adopt \u2014 as a pendant to “nucleon” \u2014 the denomination “lepton” (from \u03bb\u03b5\u03c0\u03c4\u03cc\u03c2, small, thin, delicate) to denote a particle of small mass.[1] \u0130sim protonun yakla\u015f\u0131k iki kat\u0131ndan a\u011f\u0131rl\u0131\u011f\u0131nda olan tau leptonunun 1970’lerde ke\u015ffedilmesinden \u00f6nce ortaya \u00e7\u0131km\u0131\u015ft\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"
Fizikte, spin’i 1\/2 olan (fermiyon) ve g\u00fc\u00e7l\u00fc etkile\u015fime girmeyen par\u00e7ac\u0131klar lepton olarak adland\u0131r\u0131l\u0131r. Leptonlar\u0131n \u00f6zellikleri Bilinen \u00fc\u00e7 lepton \u00e7e\u015fnisi bulunmaktad\u0131r: elektron, m\u00fcon ve tau. Her \u00e7e\u015fni zay\u0131f dublet olarak adland\u0131r\u0131lan bir par\u00e7ac\u0131k \u00e7iftine kar\u015f\u0131l\u0131k gelir. Dubletteki par\u00e7ac\u0131klardan birinin k\u00fctlesi ve elektrik y\u00fck\u00fc vard\u0131r ve ismi \u00e7e\u015fni ile ayn\u0131d\u0131r (\u00f6rne\u011fin elektron). Di\u011feri n\u00f6trino olarak adland\u0131r\u0131lan k\u00fctlesiz …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1407,1403],"tags":[2134,6902,6903,6904],"class_list":["post-2831","post","type-post","status-publish","format-standard","hentry","category-fen-ve-teknoloji-odevleri","category-odevler","tag-elektron","tag-lepton","tag-lepton-nedir","tag-leptonlarin-ozellikleri"],"_links":{"self":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/2831","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/comments?post=2831"}],"version-history":[{"count":0,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/2831\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/media?parent=2831"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/categories?post=2831"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/tags?post=2831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}