2022
DOI: 10.1088/1402-4896/ac81fd
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Review of sterile neutrino searches at very short-baseline reactor experiments

Abstract: Search for New Physics beyond the Standard Model is the main direction in particle physics nowadays. There are several experimental hints of New Physics. The most statistically significant (5-6 standard deviations) are the hints of eV mass scale sterile neutrinos. They come from electron antineutrino disappearance in reactor experiments, electron neutrino disappearance in experiments with very powerful radioactive sources, and electron (anti)neutrino appearance in the muon (anti)neutrino beams. Very important … Show more

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Cited by 5 publications
(3 citation statements)
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References 94 publications
(166 reference statements)
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“…The sterile neutrino framework, on the other hand, introduce new neutrino species that are not coupled through the weak interactions. Both the NSI and sterile neutrino scenarios are often utilized as solutions to explain experimental anomalies [31]. Neutrino scattering experiments such as the Dresden-II reactor and the COHERENT experiments can probe new physics scenarios [32], such as the dark photon, light scalar, or light vector framework.…”
Section: What Do We Want To Know?mentioning
confidence: 99%
“…The sterile neutrino framework, on the other hand, introduce new neutrino species that are not coupled through the weak interactions. Both the NSI and sterile neutrino scenarios are often utilized as solutions to explain experimental anomalies [31]. Neutrino scattering experiments such as the Dresden-II reactor and the COHERENT experiments can probe new physics scenarios [32], such as the dark photon, light scalar, or light vector framework.…”
Section: What Do We Want To Know?mentioning
confidence: 99%
“…Pelo fenômeno de oscilações de neutrinos, os quais, inclusive, apresentam anomalias nos experimentos LSND, MiniBooNE e MicroBooNE que podem ser compatíveis com neutrinos estéreis. (143) Outra estratégia, é a busca indireta, pelo decaimento do neutrino de mão direita (ν R ) em um neutrino de mão esquerda (ν E ) conjuntamente com um fóton: ν R → ν E + γ, e como tipicamente m R ∼ keV, espera-se linhas espectrais por volta de E γ ∼ keV. (21,144) Uma observação interessante nesse sentido, foi medição de uma linha de emissão em 3.5 keV no espetro empilhado de 73 aglomerados de galáxias, sugerida como proveniente do decaimento de neutrinos estéreis.…”
Section: Neutrinos Estéreisunclassified
“…(145,146) Contudo, mesmo com essas observações, ainda existe um extenso debate acerca da existência desses neutrinos, como discutido nas revisões. (139,143) 5 Embora, sejam demonstrados viáveis como ME fria, morna ou quente em diferentes cenários. (141) 6…”
Section: Neutrinos Estéreisunclassified