pith. sign in

arxiv: 1004.2359 · v2 · pith:TYHIPKA5new · submitted 2010-04-14 · ✦ hep-ph

An Updated Numerical Analysis of eV Seesaw with Four Generations

classification ✦ hep-ph
keywords generationsanalysisfourgivesleptonneutrinosnumericalseesaw
0
0 comments X
read the original abstract

We consider the so-called "eV seesaw" scenario, with right-handed Majorana mass $M_R$ at eV order, extended to four lepton generations. The fourth generation gives a heavy pseudo-Dirac neutral lepton, which largely decouples from other generations and is relatively stable. The framework naturally gives 3 active and 3 sterile neutrinos. We update a previous numerical analysis of a 3+3 study of the LSND anomaly, taking into account the more recent results from the MiniBooNE experiment. In particular, we study the implications for the third mixing angle $\mathrm{sin}^2\theta_{13}$, as well as CP violation. We find that current data do not seriously constrain more than one sterile neutrinos.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.