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Author
Hernandez, P.
;
Kekic, M.
;
Lopez-Pavon, J.
Title
Low-scale seesaw models versus N-eff
Type
Journal Article
Year
2014
Publication
Physical Review D
Abbreviated Journal
Phys. Rev. D
Volume
89
Issue
7
Pages
073009 - 7pp
Keywords
Abstract
We consider the contribution of the extra sterile states in generic low-scale seesaw models to extra radiation, parametrized by N-eff. We find that the value of Neff is roughly independent of the seesaw scale within a wide range. We explore the full parameter space in the case of two extra sterile states and find that these models are strongly constrained by cosmological data for any value of the seesaw scale below O(100 MeV).
Address
[Hernandez, P.; Kekic, M.] IFIC CSIC UVEG, E-46071 Valencia, Spain
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
WOS:000334317200005
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
1754
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