{"id":23522,"date":"2015-01-01T12:04:00","date_gmt":"2015-01-01T10:04:00","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=23522"},"modified":"2018-04-18T12:09:00","modified_gmt":"2018-04-18T09:09:00","slug":"higgs-bozonu-madde-antimadde-bilmecesinin-bir-parcasi-mi","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2015\/01\/01\/higgs-bozonu-madde-antimadde-bilmecesinin-bir-parcasi-mi","title":{"rendered":"Higgs bozonu madde-antimadde bilmecesinin bir par\u00e7as\u0131 m\u0131?"},"content":{"rendered":"

G\u00f6rselde, iki protonun, an\u0131nda bozunarak iki tau par\u00e7ac\u0131\u011f\u0131 \u00fcreten Higgs bozonunun yarat\u0131ld\u0131\u011f\u0131 y\u00fcksek enerjide \u00e7arp\u0131\u015fmas\u0131 g\u00f6r\u00fcl\u00fcyor. \u00c7arp\u0131\u015fmada durgun enerjiden d\u0131\u015far\u0131ya iki jet sa\u00e7\u0131lm\u0131\u015ft\u0131r. \u0130ki jet aras\u0131ndaki a\u00e7\u0131n\u0131n \u00f6l\u00e7\u00fclmesiyle Higgs\u2019in CP (y\u00fck paritesi) k\u0131r\u0131n\u0131m\u0131yla alakas\u0131 olup olmad\u0131\u011f\u0131 ortaya \u00e7\u0131kabilir. CP k\u0131r\u0131n\u0131m\u0131, do\u011fada bir par\u00e7ac\u0131k ve onun ters y\u00fckl\u00fc anti-par\u00e7ac\u0131\u011f\u0131n\u0131n birbirinden farkl\u0131 davrand\u0131\u011f\u0131n\u0131 s\u00f6ylemektedir. Stanford Lineer H\u0131zland\u0131r\u0131c\u0131 Merkezi (SLAC) ara\u015ft\u0131rmac\u0131lar\u0131, yak\u0131n zamanda Physics Review D<\/em> dergisinde yay\u0131mlanan makalelerinde bu deneyi \u00f6rnekliyorlar.<\/p>\n

BaBar deneyi de dahil olmak \u00fczere bir\u00e7ok deney, tam olarak olmasa da, evrendeki madde-antimadde dengesizli\u011fini a\u00e7\u0131klamaya yard\u0131mc\u0131 oluyor. Bug\u00fcnlerde, Stanford Lineer H\u0131zland\u0131r\u0131c\u0131 Merkezi (SLAC) teorisyenleri ve tak\u0131m arkada\u015flar\u0131, Higgs bozonunun konuyla ilgisini belirleyebilmek i\u00e7in bir y\u00f6ntem tasarlamaya \u00e7al\u0131\u015f\u0131yor. CERN\u2019de Higgs par\u00e7ac\u0131\u011f\u0131n\u0131n ke\u015ffedildi\u011fi B\u00fcy\u00fck Hadron \u00c7arp\u0131\u015ft\u0131r\u0131c\u0131s\u0131(LHD) deneyinde \u00e7al\u0131\u015fan biliminsanlar\u0131,\u00a0Physical Review D<\/em> dergisinde yay\u0131mlad\u0131klar\u0131 \u00e7al\u0131\u015fmalar\u0131nda yeni bir Higgs t\u00fcr\u00fcn\u00fcn bulunmas\u0131 i\u00e7in 2015\u2019de \u00e7arp\u0131\u015fmalara yeniden ba\u015flayacaklar\u0131n\u0131 belirtiyor. Higgs\u2019in madde-antimadde dengesizli\u011fiyle ilgili bir\u015fey s\u00f6yleyip s\u00f6ylemeyece\u011fini de ara\u015ft\u0131racaklar\u0131n\u0131 anlat\u0131yorlar. \u00c7al\u0131\u015fman\u0131n e\u015f yazar\u0131 ve SLAC\u2019daki Par\u00e7ac\u0131k Teorisi Grubunun ara\u015ft\u0131rmac\u0131lar\u0131ndan Matt Dolan, strateji belirlemek i\u00e7in planlama yapman\u0131n tam zaman\u0131 oldu\u011funu ve bu yolla LHC\u2019nin \u00e7al\u0131\u015fmas\u0131na haz\u0131r olunaca\u011f\u0131n\u0131 s\u00f6yl\u00fcyor.<\/p>\n

Par\u00e7ac\u0131k fizik\u00e7ileri ve kozmologlar i\u00e7in, maddenin ni\u00e7in anti-maddeden fazla oldu\u011fu en \u015fa\u015f\u0131rt\u0131c\u0131 sorulardan biri. B\u00fcy\u00fck Patlaman\u0131n ard\u0131ndan, ilk evren maddenin olu\u015fabilece\u011fi kadar so\u011fudu\u011funda, madde-antimadde par\u00e7ac\u0131k \u00e7iftlerinin bir\u00e7o\u011fu birbirlerini yok etti. Fakat, madde \u00e7e\u015fitlerinin t\u00fcrleri, bizler, y\u0131ld\u0131zlar, gezegenler ya da galaksiler hen\u00fcz olu\u015fmam\u0131\u015ft\u0131.<\/p>\n

K\u0131sa s\u00fcre \u00f6nce, Higgs bozonunun k\u00fctle ve madde meselesiyle do\u011frudan ili\u015fkili oldu\u011fu ke\u015ffedilmi\u015fti. Higgs\u2019in maddenin antimaddeye \u00fcst\u00fcnl\u00fc\u011f\u00fc ile alakas\u0131 olup olmad\u0131\u011f\u0131 sorusu mant\u0131kl\u0131 bir soru olarak g\u00f6z\u00fckmektedir.<\/p>\n

Matt Dolan, Higgs\u2019in \u00f6zelliklerine bakmaya ba\u015flad\u0131klar\u0131n\u0131 ve Higgs\u2019in farkl\u0131 ko\u015fullar alt\u0131nda nas\u0131l davrand\u0131\u011f\u0131n\u0131 anlamam\u0131z\u0131 geli\u015ftireceksek, deneyleri \u00e7ok dikkatli bir \u015fekilde tasarlamam\u0131z gerekti\u011fini s\u00f6yl\u00fcyor. \u00d6ncelikle ara\u015ft\u0131rmac\u0131lar\u0131n, Higgs\u2019in, enerjinin,maddenin ve de\u011fi\u015fen s\u00fcre\u00e7lerin en kesin a\u00e7\u0131klamas\u0131n\u0131n oldu\u011fu Standart Model ile uyumlu oldu\u011funu do\u011frulamaya ihtiyac\u0131 var. Higgs CP k\u0131r\u0131n\u0131m\u0131n\u0131n oldu\u011fu Standart Model ile alakal\u0131ysa, CP-tek olarak adland\u0131r\u0131l\u0131r. E\u011fer b\u00f6yle de\u011fil ise, CP-\u00e7ift denir. Bir varsay\u0131m da, e\u011fer tek ve \u00e7ift kar\u0131\u015f\u0131m\u0131 varsa Higgs\u2019in CP k\u0131r\u0131n\u0131m\u0131 ile alakal\u0131 oldu\u011funu belirtmektedir. Teorisyenler deneyselcilere, Higgs\u2019in orijinal proton-proton \u00e7arp\u0131\u015fmas\u0131ndan d\u0131\u015far\u0131 sa\u00e7\u0131lan iki jetin enerjisinden geriye kalan elektronlar\u0131n kuzeni olan iki tau par\u00e7ac\u0131\u011f\u0131na bozundu\u011fu s\u00fcre\u00e7leri ara\u015ft\u0131rmalar\u0131n\u0131 \u00f6nermektedir. \u0130ki jet aras\u0131ndaki a\u00e7\u0131 Higgs\u2019in i\u00e7inde yer ald\u0131\u011f\u0131 herhangi bir CP-tek ve CP-\u00e7ift kar\u0131\u015f\u0131m\u0131 ile a\u00e7\u0131\u011fa kavu\u015fturulacakt\u0131r.<\/p>\n

Heidelberg \u00dcniversitesi\u2019nden Martin Jankowiak ve Durham \u00dcniversitesi\u2019nden Michael Spannowsky ile makale yay\u0131mlayan ve CERN\u2019de ara\u015ft\u0131rmalarda bulunan fizik\u00e7i Philip Harris, bu \u00e7al\u0131\u015fman\u0131n g\u00fcndeme geldi\u011fini ve analiz gerektirdi\u011fini belirtiyor. CMS Birli\u011fi \u00dcyesi olan Harris, Higgs\u2019in tau-tauya bozunumuna odaklan\u0131yor. Harris, CP k\u0131r\u0131n\u0131m\u0131 \u00f6l\u00e7\u00fcmlerini analiz sonu\u00e7lar\u0131na eklemek istediklerini ve Matt Dolan, Martin Jankowiak ve Michael Spannowsky\u2019nin \u00f6nerdi\u011fi \u015feyin en ge\u00e7erli yol oldu\u011funu anlat\u0131yor; gelecek y\u0131l\u0131n ba\u015flar\u0131nda LHC\u2019nin \u00fcretece\u011fi verileri sab\u0131rs\u0131zl\u0131kla bekledi\u011fini dile getiriyor.<\/p>\n

Daha fazla bilgi i\u00e7in orijinal makale:<\/strong>Matthew Dolan et al., Physical Review D<\/em>, 21 October 2014 . DOI: 10.1103\/PhysRevD.90.073008<\/p>\n","protected":false},"excerpt":{"rendered":"

G\u00f6rselde, iki protonun, an\u0131nda bozunarak iki tau par\u00e7ac\u0131\u011f\u0131 \u00fcreten Higgs bozonunun yarat\u0131ld\u0131\u011f\u0131 y\u00fcksek enerjide \u00e7arp\u0131\u015fmas\u0131 g\u00f6r\u00fcl\u00fcyor. \u00c7arp\u0131\u015fmada durgun enerjiden d\u0131\u015far\u0131ya iki jet sa\u00e7\u0131lm\u0131\u015ft\u0131r. \u0130ki jet aras\u0131ndaki a\u00e7\u0131n\u0131n \u00f6l\u00e7\u00fclmesiyle Higgs\u2019in CP (y\u00fck paritesi) k\u0131r\u0131n\u0131m\u0131yla alakas\u0131 olup olmad\u0131\u011f\u0131 ortaya \u00e7\u0131kabilir. CP k\u0131r\u0131n\u0131m\u0131, do\u011fada bir par\u00e7ac\u0131k ve onun ters y\u00fckl\u00fc anti-par\u00e7ac\u0131\u011f\u0131n\u0131n birbirinden farkl\u0131 davrand\u0131\u011f\u0131n\u0131 s\u00f6ylemektedir. Stanford Lineer H\u0131zland\u0131r\u0131c\u0131 […]<\/p>\n","protected":false},"author":855,"featured_media":23523,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[168,30,19,26],"tags":[2225,264,657,2884,356],"class_list":["post-23522","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-131-sayi","category-astronomi","category-bilim-gundemi","category-fizik","tag-anti-madde","tag-buyuk-patlama","tag-evren","tag-higgs-bozonu","tag-parcacik-fizigi"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t