{"id":100391,"date":"2024-10-03T21:00:08","date_gmt":"2024-10-03T21:00:08","guid":{"rendered":"https:\/\/kamucalisani.net\/?p=100391"},"modified":"2024-10-03T21:00:08","modified_gmt":"2024-10-03T21:00:08","slug":"yuzlerce-kilometre-uzaktan-nukleer-silahlari-tespit-edebilen-dedektor-gelistirildi","status":"publish","type":"post","link":"https:\/\/kamucalisani.net\/index.php\/2024\/10\/03\/yuzlerce-kilometre-uzaktan-nukleer-silahlari-tespit-edebilen-dedektor-gelistirildi\/","title":{"rendered":"Y\u00fczlerce kilometre uzaktan n\u00fckleer silahlar\u0131 tespit edebilen dedekt\u00f6r geli\u015ftirildi"},"content":{"rendered":"

<\/span> \u0130ngiltere’deki Sheffield \u00dcniversitesi ile ABD’deki Hawaii \u00dcniversitesi’ndeki ara\u015ft\u0131rmac\u0131lar i\u015fbirli\u011fi yaparak, n\u00fckleer reakt\u00f6rlerden sa\u00e7\u0131lan antin\u00f6trinolar\u0131 \u00f6l\u00e7ebilen bir antimadde dedekt\u00f6r\u00fc tasar\u0131m\u0131 geli\u015ftirdiler. <\/strong>Bu dedekt\u00f6rle y\u00fczlerce kilometre \u00f6teden reakt\u00f6r\u00fcn g\u00fc\u00e7 veya silah \u00fcretmek<\/strong> i\u00e7in kullan\u0131l\u0131p kullan\u0131lmad\u0131\u011f\u0131n\u0131 tespit edilebilecek. <\/figure>\n

N\u00fckleer reakt\u00f6rlerin karbon s\u0131f\u0131r bir gelecek i\u00e7in tart\u0131\u015f\u0131ld\u0131\u011f\u0131 g\u00fcn\u00fcm\u00fczde, reakt\u00f6rlerin n\u00fckleer silah geli\u015ftirmeyi \u00f6rtbas etmek i\u00e7in kullan\u0131lmas\u0131 konusunda endi\u015feler bulunuyor.<\/p>\n

Hem n\u00fckleer silahlar hem de n\u00fckleer yak\u0131t uranyum <\/strong>kullan\u0131yor ancak aralar\u0131ndaki fark, yak\u0131ttaki par\u00e7alanan malzemenin zenginle\u015ftirilme oran\u0131. N\u00fckleer yak\u0131t %5’in alt\u0131nda <\/strong>zenginle\u015ftirilirken, n\u00fckleer bir bombadaki zenginle\u015ftirme oran\u0131 %90’\u0131 a\u015f\u0131yor.<\/strong><\/p>\n

Antin\u00f6trinolarla n\u00fckleer reakt\u00f6rler tespit edilebiliyor<\/b><\/p>\n

Ara\u015ft\u0131rmac\u0131lar, antin\u00f6trino say\u0131s\u0131n\u0131 \u00f6l\u00e7erek <\/strong>bir n\u00fckleer reakt\u00f6r\u00fcn varl\u0131\u011f\u0131n\u0131, dedekt\u00f6rden uzakl\u0131\u011f\u0131n\u0131 ve \u00e7al\u0131\u015fma d\u00f6ng\u00fcs\u00fcn\u00fc belirleyebiliyor. Maddedeki n\u00f6trinolar gibi, antin\u00f6trinolar da atomdaki y\u00fcks\u00fcz par\u00e7ac\u0131klard\u0131r ve neredeyse s\u0131f\u0131r k\u00fctleye sahiptirler ancak antimaddede bulunurlar. Antin\u00f6trinolar \u00e7o\u011funlukla n\u00fckleer reaksiyonlar s\u0131ras\u0131nda olu\u015furlar.<\/p>\n

Sheffield \u00dcniversitesi’nde ara\u015ft\u0131rma g\u00f6revlisi olan Steve Wilson, tipik bir 3 GW’l\u0131k santralde<\/strong> yakla\u015f\u0131k 10^20 (10 \u00fczeri 20) antin\u00f6trino \u00fcretildi\u011fini <\/strong>belirtiyor. Bu par\u00e7a\u00e7\u0131klar \u00e7ok nadiren etkile\u015fime girdikleri i\u00e7in, prensipte sonsuz mesafe gidebilirler. Ara\u015ft\u0131rmac\u0131lar, antin\u00f6trinolar\u0131 yakalayarak yak\u0131t\u0131n tam izotopunu ve reakt\u00f6r\u00fcn operasyonel d\u00f6ng\u00fcs\u00fcn\u00fc belirleyebilirler.<\/p>\n

Nas\u0131l tespit ediliyor?<\/b><\/p>\n

Ara\u015ft\u0131rmac\u0131lar, antin\u00f6trinolar\u0131 yakalamak i\u00e7in Chernekov radyasyonunun<\/strong> iyi bilinen fenomeninden yararland\u0131lar. Wilson \u015f\u00f6yle a\u00e7\u0131kl\u0131yor: “Elektron gibi y\u00fckl\u00fc bir par\u00e7ac\u0131k, su gibi bir ortamda \u0131\u015f\u0131k h\u0131z\u0131ndan daha h\u0131zl\u0131 hareket etti\u011finde, \u0131\u015f\u0131k yava\u015flar, ancak antin\u00f6trino yava\u015flamaz. <\/strong>Antin\u00f6trino, elektronun antipar\u00e7ac\u0131\u011f\u0131 olan bir pozitronun \u0131\u015f\u0131k h\u0131z\u0131ndan k\u0131sa bir s\u00fcre daha h\u0131zl\u0131 hareket etmesine neden olur. Bu, bir ses patlamas\u0131na benzer, g\u00f6zlemlenebilen bir mavi \u0131\u015f\u0131k konisi \u00fcretir. <\/strong>Bu etkiyi g\u00f6zlemlemek, bir n\u00f6trinonun etkile\u015fime girmi\u015f olabilece\u011fini g\u00f6sterir.”<\/em><\/p>\n

Ara\u015ft\u0131rmac\u0131lar bu ama\u00e7la, \u00e7ap\u0131 ve y\u00fcksekli\u011fi 22 metre<\/strong> olan ve birka\u00e7 bin ton su ve organik bir s\u0131v\u0131 sintilat\u00f6r\u00fc<\/strong> i\u00e7erecek bir antin\u00f6trino dedekt\u00f6r\u00fc tasarlad\u0131lar.<\/p>\n

<\/span> Wilson, bu t\u00fcr dedekt\u00f6rlerde \u0131\u015f\u0131\u011f\u0131 tespit etmek i\u00e7in kullan\u0131lan bile\u015fenlerin 1000 ila 2000 V<\/strong> aral\u0131\u011f\u0131nda olmas\u0131n\u0131n gerekti\u011fini ve bunlardan 4000’den fazlas\u0131n\u0131n \u00fcretilmesi gerekti\u011fini <\/strong>belirtiyor. Ekip ayr\u0131ca, Kuzey \u0130ngiltere’de bir tane dedekt\u00f6r\u00fcn in\u015fa edilmesini<\/strong> ve b\u00f6ylece \u0130ngiltere’nin t\u00fcm reakt\u00f6rlerinden ve hatta Fransa’dakilerden antin\u00f6trinolar\u0131 tespit edebilmesini \u00f6neriyor. <\/figure>\n

<\/span> <\/figure>\n<\/p>\n

Kozmik \u0131\u015f\u0131nlar tespiti zorla\u015ft\u0131r\u0131yor<\/b><\/p>\n

Ancak, evrendeki kozmik \u0131\u015f\u0131nlar\u0131n g\u00f6zlemleri etkileyebilece\u011fi<\/strong> belirtiliyor. Kozmik \u0131\u015f\u0131nlar D\u00fcnya’n\u0131n \u00fcst atmosferiyle etkile\u015fime girdi\u011finde, m\u00fcon<\/strong> ad\u0131 verilen par\u00e7ac\u0131klar \u00fcretiyor. Bu m\u00fconlar dedekt\u00f6re ula\u015ft\u0131\u011f\u0131nda, i\u00e7inden ge\u00e7erek Cherenkov radyasyonundan b\u00fcy\u00fck bir \u0131\u015f\u0131k izi b\u0131rak\u0131yorlar.\u00a0<\/strong>Ayr\u0131ca m\u00fconlar dedekt\u00f6rdeki molek\u00fclleri par\u00e7alayabilir ve k\u0131r\u0131k par\u00e7ac\u0131\u011f\u0131n karars\u0131z ve radyoaktif olarak bozunan par\u00e7alar\u0131n\u0131 b\u0131rakabilirler. Bu bozunma, bir antin\u00f6trinonun \u00fcretti\u011fi bozunmaya \u00e7ok benzedi\u011finden<\/strong> g\u00f6zlemleri etkileyebilir.<\/p>\n

Wilson, bu boyuttaki bir dedekt\u00f6r\u00fcn 100 milyon dolar\u0131n \u00fcst\u00fcnde<\/strong> bir maliyete sahip olabilece\u011fini s\u00f6yl\u00fcyor. Ancak \u015fimdilik ara\u015ft\u0131rmac\u0131, b\u00f6yle bir dedekt\u00f6r\u00fcn nas\u0131l kullan\u0131labilece\u011fi konusunda tart\u0131\u015fmalar\u0131n yap\u0131lmas\u0131n\u0131 de\u011ferli buluyor.<\/p>\n\n

Kaynak\u00a0 :\u00a0https:\/\/www.donanimhaber.com\/yuzlerce-kilometre-uzaktan-nukleer-silahlar-tespit-edilebilecek–182646<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u0130ngiltere’deki Sheffield \u00dcniversitesi ile ABD’deki Hawaii \u00dcniversitesi’ndeki ara\u015ft\u0131rmac\u0131lar i\u015fbirli\u011fi yaparak, n\u00fckleer reakt\u00f6rlerden sa\u00e7\u0131lan antin\u00f6trinolar\u0131 \u00f6l\u00e7ebilen bir antimadde dedekt\u00f6r\u00fc tasar\u0131m\u0131 geli\u015ftirdiler. Bu dedekt\u00f6rle y\u00fczlerce …<\/p>\n","protected":false},"author":1,"featured_media":100392,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[2395,6541,517,96,638],"class_list":["post-100391","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-arastirmacilar","tag-dedektoru","tag-isik","tag-nukleer","tag-tespit"],"_links":{"self":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/100391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/comments?post=100391"}],"version-history":[{"count":1,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/100391\/revisions"}],"predecessor-version":[{"id":100396,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/posts\/100391\/revisions\/100396"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/media\/100392"}],"wp:attachment":[{"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/media?parent=100391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/categories?post=100391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kamucalisani.net\/index.php\/wp-json\/wp\/v2\/tags?post=100391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}