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Naslov: Experimental bounds on sterile-active neutrino mixing angles Avtorji: ID Petač, Mihael (Lastnik avtorskih pravic) ID Petač, Mihael, UL (Avtor) Datoteke: document.pdf (1,93 MB) MD5: 107176C227421BB23A27EBAE407C5367   Jezik: Angleški jezik Vrsta gradiva: Delo ni kategorizirano Tipologija: 2.09 - Magistrsko delo Organizacija: UNG - Univerza v Novi Gorici Opis: Despite the success of the Standard Model in the last few decades, we know it is not complete. There is strong motivation for assuming the existence of additional heavy neutral leptons, which can account for active neutrino masses and possibly also have cosmological implications. In this work I consider the Standard Model with two neutral lepton singlets (sterile neutrinos) with degenerated masses in the range 20MeV - 2GeV. The constraints on the active-sterile neutrino mixing angles are evaluated based on recent neutrino oscillations data. Using these constraints the bounds from accelerator experiments are reanalyzed for the case of the considered model. Finally, the results are compared with cosmological constraints coming from Big Bang nucleosynthesis and the nMSM resonant leptogenesis. Ključne besede: Sterile neutrinos, Neutrino mixing, See-saw, High-Energy Physics - Phenomenology, High-Energy Physics - Experiments Status publikacije: Neobjavljeno Kraj izida: Leiden, Nizozemska Leto izida: 2015 Št. strani: 77 PID: 20.500.12556/RUNG-6837  COBISS.SI-ID: 78843139  NUK URN: URN:SI:UNG:REP:JMRKMN02 Datum objave v RUNG: 01.10.2021 Število ogledov: 3083 Število prenosov: 53 Metapodatki:    Citiraj gradivo Navadno besedilo BibTeX EndNote XML EndNote/Refer RIS ABNT ACM Ref AMA APA Chicago 17th Author-Date Harvard IEEE ISO 690 MLA Vancouver : PETAČ, Mihael, 2015, Experimental bounds on sterile-active neutrino mixing angles [na spletu]. Magistrsko delo. Leiden, Nizozemska. [Dostopano 7 april 2025]. Pridobljeno s: https://repozitorij.ung.si/IzpisGradiva.php?lang=slv&id=6837 Kopiraj citat

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