[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.ca-ali.cz\/detekce-neutrin-pomoci-interakce-ktera-dosud-nebyla-videna\/#Article","mainEntityOfPage":"https:\/\/www.ca-ali.cz\/detekce-neutrin-pomoci-interakce-ktera-dosud-nebyla-videna\/","headline":"DETEKCE NEUTRIN POMOC\u00cd INTERAKCE, KTER\u00c1 DOSUD NEBYLA VID\u011aNA","name":"DETEKCE NEUTRIN POMOC\u00cd INTERAKCE, KTER\u00c1 DOSUD NEBYLA VID\u011aNA","description":"Nyn\u00ed byla objevena nov\u00e1 interakce neutrina s neutrinem, v\u011bdci ji naz\u00fdvaj\u00ed jako koherentn\u00ed rozptyl. Tento objev by mohl znateln\u011b posunout nov\u00e9 technologie pro monitorov\u00e1n\u00ed jadern\u00fdch reaktor\u016f. S nads\u00e1zkou lze \u0159\u00edci, \u017ee je to nalezen\u00ed Svat\u00e9ho gr\u00e1lu v poli neutrinov\u00e9 fyziky. \u00a0 Do nov\u00e9 studie se zapojilo na osmdes\u00e1t v\u00fdzkumn\u00edk\u016f z devaten\u00e1cti v\u011bdeck\u00fdch instituc\u00ed ze \u010dty\u0159ech […]","datePublished":"2025-03-05","dateModified":"2023-04-27","author":{"@type":"Person","@id":"https:\/\/www.ca-ali.cz\/author\/#Person","name":"ca-ali.cz\n","url":"https:\/\/www.ca-ali.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/9d25b0af9840660883a67790aa4f595ddc226aa4680c4cf7bc03a25c14fcef85?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9d25b0af9840660883a67790aa4f595ddc226aa4680c4cf7bc03a25c14fcef85?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"ca-ali.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.ca-ali.cz\/wp-content\/uploads\/img_a293683_w1709_t1505882798.jpg","url":"https:\/\/www.ca-ali.cz\/wp-content\/uploads\/img_a293683_w1709_t1505882798.jpg","height":0,"width":0},"url":"https:\/\/www.ca-ali.cz\/detekce-neutrin-pomoci-interakce-ktera-dosud-nebyla-videna\/","about":["Technika"],"wordCount":353,"articleBody":"Nyn\u00ed byla objevena nov\u00e1 interakce neutrina s neutrinem, v\u011bdci ji naz\u00fdvaj\u00ed jako koherentn\u00ed rozptyl. Tento objev by mohl znateln\u011b posunout nov\u00e9 technologie pro monitorov\u00e1n\u00ed jadern\u00fdch reaktor\u016f. S nads\u00e1zkou lze \u0159\u00edci, \u017ee je to nalezen\u00ed Svat\u00e9ho gr\u00e1lu v poli neutrinov\u00e9 fyziky.\u00a0Do nov\u00e9 studie se zapojilo na osmdes\u00e1t v\u00fdzkumn\u00edk\u016f z devaten\u00e1cti v\u011bdeck\u00fdch instituc\u00ed ze \u010dty\u0159ech zem\u00ed.\u00a0Detektory neutrin v\u00e1\u017e\u00ed obvykle kolem tis\u00edce tun. Byl ale postaven nov\u00fd detektor o v\u00e1ze 14,5 kg, jeho p\u0159enos je t\u00edmto velmi usnadn\u011bn a lze ho tedy pou\u017e\u00edt pro r\u016fzn\u00e1 m\u011b\u0159en\u00ed. Jeho rozli\u0161ovac\u00ed schopnost je natolik velk\u00e1, \u017ee kdy\u017e byl postaven vedle zdroje neutrin, byl schopen zm\u011b\u0159it koherentn\u00ed rozptyl. Neutrina reaguj\u00ed t\u00e9\u017e s protony a neutrony uvnit\u0159 j\u00e1dra. V koherentn\u00edm rozptylu reaguje neutrino s cel\u00fdm n\u00e1bojem j\u00e1dra.\u00a0Koherentn\u00ed rozptyl je v\u0161ak n\u00edzkoenergetick\u00fd. Reakce vypad\u00e1 tak, \u017ee jedno neutrino naraz\u00ed do j\u00e1dra v molekule a j\u00e1dro naraz\u00ed do jin\u00e9ho j\u00e1dra v okol\u00ed. N\u00e1razy vznik\u00e1 sv\u011bteln\u00fd z\u00e1blesk, kter\u00fd lze zm\u011b\u0159it speci\u00e1ln\u00edm scintila\u010dn\u00edm detektorem.\u00a0\u010c\u00e1stice neutrina jsou v\u0161ak tajemn\u00e9 a lid\u00e9 je naz\u00fdvaj\u00ed jako \u010d\u00e1stice duch\u016f, ze v\u0161ech zn\u00e1m\u00fdch \u010d\u00e1stic maj\u00ed neutrina pr\u00e1v\u011b nejmen\u0161\u00ed m\u00edru interakc\u00ed a jejich reakc\u00ed je oproti jin\u00fdm \u010d\u00e1stic\u00edm velmi m\u00e1lo. Je to hlavn\u011b z toho d\u016fvodu, \u017ee neutrina neochotn\u011b interaguj\u00ed mezi sebou.\u00a0Pomoc\u00ed detektoru neutrin lze t\u00e9\u017e odhalit, co se skute\u010dn\u011b d\u011bje uvnit\u0159 jadern\u00e9ho reaktoru, proto\u017ee jak u\u017e bylo zm\u00edn\u011bno, neutrina mohou prostupovat jak\u00fdmkoli materi\u00e1lem. Nav\u00edc tyto \u010d\u00e1stice nesou v sob\u011b relativn\u011b podrobn\u00e9 informace o tom, co se d\u011bje v materi\u00e1lu, j\u00edm\u017e proch\u00e1zej\u00ed. Teoreticky tak lze odhalit, zda dan\u00fd reaktor skute\u010dn\u011b slou\u017e\u00ed k produkov\u00e1n\u00ed energie, nebo se v z\u00e1kulis\u00ed vyr\u00e1b\u011bj\u00ed materi\u00e1ly pro zbran\u011b.\u00a0Tento objev v neutrinov\u00e9 fyzice tak u\u010dinil dal\u0161\u00ed v\u00fdznamn\u00fd krok vedouc\u00ed k lep\u0161\u00edmu pochopen\u00ed t\u011bchto \u010d\u00e1stic.                                                                                                                                                                                                                                                                                                                                                                                        4.5\/5 - (2 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"DETEKCE NEUTRIN POMOC\u00cd INTERAKCE, KTER\u00c1 DOSUD NEBYLA VID\u011aNA","item":"https:\/\/www.ca-ali.cz\/detekce-neutrin-pomoci-interakce-ktera-dosud-nebyla-videna\/#breadcrumbitem"}]}]