(sub)eV Sterile Neutrinos: experimental aspects

被引：4

作者：

Lasserre, Thierry ^{[1
,2
]}

机构：

[1] Commissariat Energie Atom & Energies Alternat, Ctr Saclay, IRFU, F-91191 Gif Sur Yvette, France

[2] Astroparticules & Cosmol APC, F-75205 Paris 13, France

来源：

NUCLEAR AND PARTICLE PHYSICS PROCEEDINGS | 2015年 / 265卷

基金：

欧洲研究理事会;

关键词：

sterile neutrino; neutrino oscillations; OSCILLATIONS; SPECTRA; PU-239;

D O I：

10.1016/j.nuclphysbps.2015.06.073

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The majority of neutrino oscillation results are explained by the three-neutrino formalism. But a bunch of anomalies in short baseline oscillation data can be interpreted by invoking a fourth neutrino. This new state would be separated from the three standard neutrinos by a squared mass difference Delta m(new)(2) similar to 0.1 - 1 eV(2) and would have mixing angles of sin(2) 2 theta(ee) greater than or similar to 0.01 and sin(2) 2 theta(mu e) greater than or similar to 0.001, in the electron disapperance and appearance channels, respectively. This new - sterile - neutrino would not feel standard model interactions but mix with the others, with a L/E ratio of about 1 m/MeV. Such a scenario calling for new physics beyond the standard model needs to be tested with new data.

引用

页码：281 / 287

页数：7

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