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Nonunitarity effects in a realistic low-scale seesaw model
KTH, School of Engineering Sciences (SCI), Theoretical Physics, Theoretical Particle Physics.
KTH, School of Engineering Sciences (SCI), Theoretical Physics, Theoretical Particle Physics.ORCID iD: 0000-0002-3525-8349
KTH, School of Engineering Sciences (SCI), Theoretical Physics, Theoretical Particle Physics.
2009 (English)In: Physical Review D, ISSN 1550-7998, Vol. 79, no 7, 073009- p.Article in journal (Refereed) Published
Abstract [en]

We analyze the structure of the nonunitary leptonic mixing matrix in the inverse seesaw model with heavy singlets accessible at the LHC. In this model, unlike in the usual TeV seesaw scenarios, the low-scale right-handed neutrinos do not suffer from naturalness issues. Underlying correlations among various parameters governing the nonunitarity effects are established, which leads to a considerable improvement of the generic nonunitarity bounds. In view of this, we study the discovery potential of the nonunitarity effects at future experiments, focusing on the sensitivity limits at a neutrino factory.

Place, publisher, year, edition, pages
The American Physical Society , 2009. Vol. 79, no 7, 073009- p.
Keyword [en]
heavy majorana neutrinos, baseline-experiment-simulator, standard model, oscillation experiments, lepton number, CP-violation, SO(10) model, masses, nonconservation, physics
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-18454DOI: 10.1103/PhysRevD.79.073009ISI: 000266408300023ScopusID: 2-s2.0-65849176288OAI: oai:DiVA.org:kth-18454DiVA: diva2:336501
Funder
Swedish Research Council, 621-2008-4210
Note
QC 20100525Available from: 2011-06-21 Created: 2010-08-05 Last updated: 2011-06-21Bibliographically approved

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Publisher's full textScopusPhysical Review Dhttp://arxiv.org/abs/0903.1961

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