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Author |
Carcamo Hernandez, A.E.; Valle, J.W.F.; Vaquera-Araujo, C.A. |
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Title |
Simple theory for scotogenic dark matter with residual matter-parity |
Type |
Journal Article |
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Year |
2020 |
Publication |
Physics Letters B |
Abbreviated Journal  |
Phys. Lett. B |
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Volume |
809 |
Issue |
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Pages |
135757 - 10pp |
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Abstract |
Dark matter stability can result from a residual matter-parity symmetry surviving spontaneous breaking of an extended gauge symmetry. We propose the simplest scotogenic dark matter completion of the original SVS theory [1], in which the “dark sector” particles as well as matter-parity find a natural theoretical origin within the model. We briefly comment on its main features. |
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Address |
[Hernandez, A. E. Carcamo] Univ Tecn Federico Santa Maria, Dept Fis, Casilla 110 5, Valparaiso, Chile, Email: antonio.carcamo@usm.cl; |
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Publisher |
Elsevier |
Place of Publication |
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Editor |
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Language |
English |
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Series Volume |
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Edition |
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ISSN |
0370-2693 |
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Conference |
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Notes |
WOS:000581871500057 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4601 |
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Author |
Arbelaez, C.; Carcamo Hernandez, A.E.; Cepedello, R.; Hirsch, M.; Kovalenko, S. |
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Title |
Radiative type-I seesaw neutrino masses |
Type |
Journal Article |
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Year |
2019 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
100 |
Issue |
11 |
Pages |
115021 - 7pp |
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Keywords |
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Abstract |
We discuss a radiative type-I seesaw. In these models, the radiative generation of Dirac neutrino masses allows to explain the smallness of the observed neutrino mass scale for rather light right-handed neutrino masses in a type-1 seesaw. We first present the general idea in a model-independent way. This allows us to estimate the typical scale of right-handed neutrino mass as a function of the number of loops. We then present two example models, at the one- and two-loop level, which we use to discuss neutrino masses and lepton-flavor-violating constraints in more detail. For the two-loop example, right-handed neutrino masses must lie below 100 GeV, thus making this class of models testable in heavy neutral lepton searches. |
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Address |
[Arbelaez, Carolina; Carcamo Hernandez, A. E.; Kovalenko, Sergey] Univ Tecn Federico Santa Maria, Dept Phys, Ave Espana 1680, Valparaiso, Chile, Email: carolina.arbelaez@usm.cl; |
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Corporate Author |
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Publisher |
Amer Physical Soc |
Place of Publication |
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Editor |
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Language |
English |
Summary Language |
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Original Title |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2470-0010 |
ISBN |
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Medium |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000501488800006 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4221 |
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