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Author |
Carcamo Hernandez, A.E.; Vishnudath, K.N.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Linear seesaw mechanism from dark sector |
Type |
Journal Article |
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Year |
2023 |
Publication |
Journal of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
09 |
Issue |
9 |
Pages |
046 - 18pp |
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Keywords ![sorted by Keywords field, ascending order (up)](img/sort_asc.gif) |
Lepton Flavour Violation (charged); Multi-Higgs Models; Neutrino Mixing; Sterile or Heavy Neutrinos |
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Abstract |
We propose a minimal model where a dark sector seeds neutrino mass generation radiatively within the linear seesaw mechanism. Neutrino masses are calculable, since treelevel contributions are forbidden by symmetry. They arise from spontaneous lepton number violation by a small Higgs triplet vacuum expectation value. Lepton flavour violating processes e.g. μ-> e gamma can be sizeable, despite the tiny neutrino masses. We comment also on dark-matter and collider implications. |
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Address |
[Hernandez, A. E. Carcamo; Vishnudath, K. N.] Univ Tecn Federico Santa Maria, Casilla 110-V, Valparaiso, Chile, Email: antonio.carcamo@usm.cl; |
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Springer |
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English |
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ISSN |
1029-8479 |
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Notes |
WOS:001184730300002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5982 |
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Author |
Papoulias, D.K.; Kosmas, T.S. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Neutrino transition magnetic moments within the non-standard neutrino-nucleus interactions |
Type |
Journal Article |
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Year |
2015 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
747 |
Issue |
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Pages |
454-459 |
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Keywords ![sorted by Keywords field, ascending order (up)](img/sort_asc.gif) |
Lepton flavour violation; Non-standard electroweak interactions; Neutrino magnetic moment and interactions; Spallation neutron source neutrinos; Reactor neutrinos; Quasi-particle random phase approximation |
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Abstract |
Tensorial non-standard neutrino interactions are studied through a combined analysis of nuclear structure calculations and a sensitivity chi(2)-type of neutrino events expected to be measured at the COHERENT experiment, recently planned to operate at the Spallation Neutron Source (Oak Ridge). Potential sizeable predictions on transition neutrino magnetic moments and other electromagnetic parameters, such as neutrino milli-charges, are also addressed. The non-standard neutrino-nucleus processes, explored from nuclear physics perspectives within the context of quasi-particle random phase approximation, are exploited in order to estimate the expected number of events originating from vector and tensor exotic interactions for the case of reactor neutrinos, studied with TEXONO and GEMMA neutrino detectors. |
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Address |
[Papoulias, D. K.; Kosmas, T. S.] Univ Ioannina, Div Theoret Phys, GR-45110 Ioannina, Greece, Email: dimpap@cc.uoi.gr; |
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Publisher |
Elsevier Science Bv |
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English |
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ISSN |
0370-2693 |
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Notes |
WOS:000358624800074 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
2331 |
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Author |
Botella, F.J.; Branco, G.C.; Rebelo, M.N. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Minimal flavour violation and multi-Higgs models |
Type |
Journal Article |
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Year |
2010 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
687 |
Issue |
2-3 |
Pages |
194-200 |
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Keywords ![sorted by Keywords field, ascending order (up)](img/sort_asc.gif) |
Multi-Higgs models; Minimal Flavour Violation; FCNC; Flavour symmetries |
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Abstract |
We propose an extension of the hypothesis of Minimal Flavour Violation (MFV) to general multi-Higgs models without the assumption of Natural Flavour Conservation (NFC) in the Higgs sector. We study in detail under what conditions the neutral Higgs couplings are only functions of V-CKM and propose a MFV expansion for the neutral Higgs couplings to fermions. |
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Address |
[Branco, G. C.; Rebelo, M. N.] Inst Super Tecn, Dept Fis, P-1049001 Lisbon, Portugal, Email: fbotella@uv.es |
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Publisher |
Elsevier Science Bv |
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English |
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ISSN |
0370-2693 |
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Notes |
ISI:000277070800019 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
457 |
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Permanent link to this record |
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Author |
Bonilla, C.; Lamprea, J.M.; Peinado, E.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Flavour-symmetric type-II Dirac neutrino seesaw mechanism |
Type |
Journal Article |
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Year |
2018 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
779 |
Issue |
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Pages |
257-261 |
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Keywords ![sorted by Keywords field, ascending order (up)](img/sort_asc.gif) |
Neutrino masses and mixing; Flavour physics |
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Abstract |
We propose a Standard Model extension with underlying A(4) flavour symmetry where small Dirac neutrino masses arise from a Type-II seesaw mechanism. The model predicts the “golden” flavour-dependent bottom-tau mass relation, requires an inverted neutrino mass ordering and non-maximal atmospheric mixing angle. Using the latest neutrino oscillation global fit[ 1] we derive restrictions on the oscillation parameters, such as a correlation between delta(CP) and m(nu lightest). |
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Address |
[Bonilla, Cesar; Valle, Jose W. F.] Univ Valencia, CSIC, Inst Fis Corpuscular, AHEP Grp, Parc Cient Paterna,C Catedrat Jose Beltran 2, E-46980 Paterna, Valencia, Spain, Email: cesar.bonilla@ific.uv.es; |
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Publisher |
Elsevier Science Bv |
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English |
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Series Editor |
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Series Volume |
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Edition |
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ISSN |
0370-2693 |
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Expedition |
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Conference |
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Notes |
WOS:000429098900032 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3566 |
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Permanent link to this record |
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Author |
Morisi, S.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Neutrino masses and mixing: a flavour symmetry roadmap |
Type |
Journal Article |
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Year |
2013 |
Publication |
Fortschritte der Physik-Progress of Physics |
Abbreviated Journal |
Fortschritte Phys.-Prog. Phys. |
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Volume |
61 |
Issue |
4-5 |
Pages |
466-492 |
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Keywords ![sorted by Keywords field, ascending order (up)](img/sort_asc.gif) |
Neutrino masses; neutrino mixing; flavour symmetry |
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Abstract |
Over the last ten years tri-bimaximal mixing has played an important role in modeling the flavour problem. We give a short review of the status of flavour symmetry models of neutrino mixing. We concentrate on non-Abelian discrete symmetries, which provide a simple way to account for the TBM pattern. We discuss phenomenological implications such as neutrinoless double beta decay, lepton flavour violation as well as theoretical aspects such as the possibility to explain quarks and leptons within a common framework, such as grand unified models. |
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Address |
Univ Valencia, AHEP Grp, Inst Fis Corpuscular, CSIC, Valencia 46071, Spain, Email: morisi@ific.uv.es |
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Publisher |
Wiley-V C H Verlag Gmbh |
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Language |
English |
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Edition |
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ISSN |
0015-8208 |
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Conference |
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Notes |
WOS:000317019900007 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
1412 |
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Permanent link to this record |