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Author
Heinze, M.
;
Malinsky, M.
Title
Flavor structure of supersymmetric SO(10) GUTs with extended matter sector
Type
Journal Article
Year
2011
Publication
Physical Review D
Abbreviated Journal
Phys. Rev. D
Volume
83
Issue
3
Pages
035018 - 16pp
Keywords
Abstract
We discuss in detail the flavor structure of the supersymmetric SOd(10) grand unified models with the three traditional 16-dimensional matter spinors mixed with a set of extra ten-dimensional vector multiplets which can provide the desired sensitivity of the standard model matter spectrum to the grand unified theory symmetry breakdown at the renormalizable level. We put the qualitative argument that a successful fit of the quark and lepton data requires an active participation of more than a single vector matter multiplet on a firm, quantitative ground. We find that the strict no-go obtained for the fits of the charged-sector observables in case of a single active matter 10 is relaxed if a second vector multiplet is added to the matter sector and excellent, though nontrivial, fits can be devised. Exploiting the unique calculable part of the neutrino mass matrix governed by the SUd(2)(L) triplet in the 54-dimensional Higgs multiplet, a pair of genuine predictions of the current setting is identified: a nonzero value of the leptonic 1-3 mixing close to the current 90% C.L. limit and a small leptonic Dirac CP phase are strongly preferred by all solutions with the global-fit chi(2) values below 50.
Address
[Heinze, Martin; Malinsky, Michal] AlbaNova Univ Ctr, Royal Inst Technol KTH, Dept Theoret Phys, Sch Engn Sci, SE-10691 Stockholm, Sweden, Email: mheinze@kth.se
Corporate Author
Thesis
Publisher
Amer Physical Soc
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
1550-7998
ISBN
Medium
Area
Expedition
Conference
Notes
ISI:000287655300010
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
566
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