Fundamental properties of neutrinos: masses and mixings

Research output: ThesisDoctoral Thesis (compilation)

Abstract

Neutrino physics is one of the fastest growing topic in phenomenological high energy physics. Neutrinos are elementary neutral particles and participate only in the weak interactions. For this reason it is very difficult to detect them experimentally. Nevertheless, much experimental progress has been obtained in the recent years. In particular our knowledge of the neutrino masses and mixing angles have increased, though there are still ambiguities. There are three experimental hints that neutrinos are massive. The most solid evidence come from studies of atmospheric neutrinos. Furthermore investigations of solar neutrinos as well as the accelerator experiment LSND gives hints of massive neutrinos. These three so-called anomalies cannot be reconciled with the standard scenario of three light neutrinos and it is conventional to disbelieve the LSND data. Therefore at present we are very certain that neutrinos are indeed massive and do mix, but more experimental information is needed.

The first part of the thesis provides a general introduction to both the standard model of particle physics as well as neutrino physics. The second part concerns the research and are a collection of articles. The research deals in part with model building for generating neutrino masses through quantum corrections. Furthermore the atmospheric data from the Super-Kamiokande experiment in Japan are studies in detail in connection with the controversial LSND data and another non-standard scenario with CPT violation in the neutrino sector.

Details

Authors
  • Solveig Skadhauge
Organisations
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Physical Sciences

Keywords

  • Matematisk och allmän teoretisk fysik, Fysik, Physics, quantum mechanics, classical mechanics, Mathematical and general theoretical physics, statistical physics, gravitation, relativity, statistisk fysik, termodynamik, thermodynamics, klassisk mekanik, kvantmekanik, relativitet, Fysicumarkivet A:2002:Skadhauge
Original languageEnglish
QualificationDoctor
Awarding Institution
Supervisors/Assistant supervisor
  • [unknown], [unknown], Supervisor, External person
Award date2002 Apr 26
Publisher
  • Mathematical Physics, Lund Institute of Technology, Lund University
Print ISBNs91-628-5196-9
Publication statusPublished - 2002
Publication categoryResearch

Bibliographic note

Defence details Date: 2002-04-26 Time: 10:30 Place: Lecture hall B, Dept. of Physics External reviewer(s) Name: Petcov, Serguey Title: [unknown] Affiliation: SISSA, Trieste, Italy --- C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto,Zee Mass Matrix and Bi-Maximal Neutrino Mixing,Phys. Lett. B449 240 (1999).
M. Matsuda, S. Skadhauge,A Four-Family Model with one Right-handedNeutrino.Lund-MPh-99/01.
G. Barenboim, A. Dighe, S. Skadhauge,Combining LSND and atmospheric anomalies in athree neutrino picture,Phys. Rev. D65 053001 (2002).
S. Skadhauge,Probing CPT violation with atmospheric neutrinos,Lund-MPh-01/06, hep-ph/0112189. Submitted. The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Mathematical Physics (Faculty of Technology) (011040002)