Four-neutrino mixing and Big-Bang Nucleosynthesis

1998/04/27 by S. M. Bilenky, C. Giunti, Walter Grimus +3 · 39 citations
Physics and Astronomy · #Amplitude #Astrophysics #Astrophysics and Cosmic Phenomena #Big Bang nucleosynthesis #Measurements of neutrino speed #Mixing (physics) #Neutrino #Neutrino Physics Research #Neutrino oscillation #Nuclear physics #Nuclear reaction #Nucleosynthesis #Oscillation (cell signaling) #Particle physics #Particle physics theoretical and experimental studies #Physics #Pontecorvo–Maki–Nakagawa–Sakata matrix #Solar neutrino #Solar neutrino problem #hep-ph

paper · pdf · doi:10.1016/s0927-6505(99)00010-9

published in Astroparticle Physics 11(4), 413-428 (Elsevier BV) · 27 pages including 3 figures

arxiv created 1998/04/27 · openalex publication_date 1999/09/01 · arxiv updated 2011/05/23 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We investigate the Big-Bang Nucleosynthesis constraints on neutrino mixing in the framework of the two four-neutrino schemes that are favored by the results of neutrino oscillation experiments. We discuss the implications of these constraints for terrestrial short and long-baseline neutrino oscillation experiments and we present some possibilities of testing them in these experiments. In particular, we show that from the Big-Bang Nucleosynthesis constraints it follows that the nu(mu)->nu(tau) transition is severely suppressed in short-baseline experiments, whereas its oscillation amplitude in long-baseline experiments is of order 1. We also propose a new parameterization of the four-neutrino mixing matrix U which is appropriate for the schemes under consideration.

Citations

• ν¯μ↔ν¯emixing: Analysis of recent indications and implications for neutrino oscillation phenomenology
• A high deuterium abundance at redshift z = 0.7
• Models of light singlet fermion and neutrino phenomenology
• Large neutrino asymmetries from neutrino oscillations
• Constraints on neutrino oscillations from big bang nucleosynthesis
• Long-baseline neutrino oscillation experiments andCPviolation in the lepton sector
• Short-baseline neutrino oscillations and neutrinoless double-βdecay in the framework of three neutrino mixing and a mass hierarchy
• Atmospheric ratio in the multi-GeV energy range
• Neutrino oscillations and stellar collapse
• Limits on Muon-Neutrino Oscillations in the Mass Range30<Δm2<1000eV2/c4
• Measurements of the Solar Neutrino Flux from Super-Kamiokande's First 300 Days
• Real-time, directional measurement ofB<mml:mprescripts/>8solar neutrinos in the Kamiokande II detector

Cited by

• Constraining mass spectra with sterile neutrinos from neutrinoless double beta decay, tritium beta decay, and cosmology
• Increase in the primordial4Heyield in the two-doublet four-neutrino mixing scheme