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Author
Bonilla, C.
;
Ma, E.
;
Peinado, E.
;
Valle, J.W.F.
Title
Two-loop Dirac neutrino mass and WIMP dark matter
Type
Journal Article
Year
2016
Publication
Physics Letters B
Abbreviated Journal
Phys. Lett. B
Volume
762
Issue
Pages
214-218
Keywords
Neutrino masses and mixing
;
Dark matter stability
Abstract
We propose a “scotogenic” mechanism relating small neutrino mass and cosmological dark matter. Neutrinos are Dirac fermions with masses arising only in two-loop order through the sector responsible for dark matter. Two triality symmetries ensure both dark matter stability and strict lepton number conservation at higher orders. A global spontaneously broken U(1) symmetry leads to a physical Diraconthat induces invisible Higgs decays which add up to the Higgs to dark matter mode. This enhances sensitivities to spin-independent WIMP dark matter search below m(h)/2.
Address
[Bonillaa, Cesar; Valle, Jose W. F.] Univ Valencia, CSIC, Inst Fis Corpuscular, AHEP Grp, Edificio Inst Paterna,C Catedrat Jose Beltran 2, E-46980 Paterna, Valencia, Spain, Email: cesar.bonilla@ific.uv.es;
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
0370-2693
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:000388473700029
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
2979
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