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Author
de Adelhart Toorop, R.
;
Bazzocchi, F.
;
Morisi, S.
Title
Quark mixing in the discrete dark matter model
Type
Journal Article
Year
2012
Publication
Nuclear Physics B
Abbreviated Journal
Nucl. Phys. B
Volume
856
Issue
3
Pages
670-681
Keywords
Discrete flavour symmetries
;
Dark matter
;
Meson oscillations
Abstract
We consider a model in which dark matter is stable as it is charged under a Z(2) symmetry that is residual after an A(4) flavour symmetry is broken. We consider the possibility to generate the quark masses by charging the quarks appropriately under A(4). We find that it is possible to generate the CKM mixing matrix by an interplay of renormalisable and dimension-six operators. In this set-up, we predict the third neutrino mixing angle to be large and the dark matter relic density to be in the correct range. Low energy observables – in particular meson-antimeson oscillations – are hard to facilitate. We find that only in a situation where there is a strong cancellation between the Standard Model contribution and the contribution of the new Higgs fields, B meson oscillations are under control.
Address
[Toorop, Reinier de Adelhart] Nikhef Theory Grp, NL-1098 XG Amsterdam, Netherlands, Email: reintoorop@nikhef.nl
Corporate Author
Thesis
Publisher
Elsevier Science Bv
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0550-3213
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:000300028200003
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
891
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