Prospects of light sterile neutrino searches in long-baseline neutrino oscillations
Prospects of light sterile neutrino searches in long-baseline neutrino oscillations
复制标题
长基线中微子振荡中轻惰性中微子搜索的前景
DOI:
10.1007/jhep06(2020)094
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发表时间:
2019-11
期刊:
影响因子:
--
通讯作者:
Chun Liu
中科院分区:
文献类型:
--
作者:
Yakefu Reyimuaji;Chun Liu
The neutrino oscillation probabilities in vacuum and matter are discussed, considering the framework of three active and one light sterile neutrinos. We study in detail the rephasing invariants and CP asymmetry observables, and investigate the four-neutrino oscillations in long-baseline neutrino experiments, such as DUNE, NOνA and T2HK. Our results show that the matter effect enhances quite a significantly the oscillation probabilities of electron neutrino and electron antineutrino appearance channels within a certain energy range, while no considerable change arises in the CP asymmetry analysis due to the matter effect. Moreover, separation between the results with and without the sterile neutrino is not so significant and that is also affected by CP-violating phases. Comparing the results for these three experiments, all of them have similar features, nevertheless, sizes and separations of the oscillation probabilities in DUNE are bit larger.
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