neutrino oscillations;
new physics;
seesaw models;
heavy neutrinos;
NUMBER;
BARYON;
LIMITS;
MASS;
D O I:
10.1016/j.nuclphysbps.2015.09.308
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:
Several models of neutrino masses predict the existence of neutral heavy leptons. Here, we review current constraints on heavy neutrinos and apply a new formalism separating new physics from Standard Model. We discuss also the indirect effect of extra heavy neutrinos in oscillation experiments.
机构:
Univ Minnesota, Sch Phys & Astron, William I Fine Theoret Phys Inst, Minneapolis, MN 55455 USAUniv Minnesota, Sch Phys & Astron, William I Fine Theoret Phys Inst, Minneapolis, MN 55455 USA