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Author |
Centelles Chulia, S.; Srivastava, R.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Seesaw Dirac neutrino mass through dimension-six operators |
Type |
Journal Article |
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Year |
2018 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
98 |
Issue |
3 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
035009 - 18pp |
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Abstract |
In this paper, a follow-up of [S. C. Chulia, R. Srivastava, and J. W. F. Valle, Phys. Lett. B 781, 122 (2018)], we describe the many pathways to generate Dirac neutrino mass through dimension-six operators. By using only the standard model Higgs doublet in the external legs, one gets a unique operator 1/Lambda(2) (L) over bar (Phi) over bar (Phi) over bar Phi nu(R). In contrast, the presence of new scalars implies new possible field contractions, which greatly increase the number of possibilities. Here, we study in detail the simplest ones, involving SU(2)(L) singlets, doublets, and triplets. The extra symmetries needed to ensure the Dirac nature of neutrinos can also be responsible for stabilizing dark matter. |
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Address |
[Chulia, Salvador Centelles; Srivastava, Rahul; Valle, Jose W. F.] Univ Valencia, AHEP Grp, Inst Fis Corpuscular, CSIC, Parc Cient Paterna C Catedrat Jose Beltran,2, E-46980 Paterna, Valencia, Spain, Email: salcen@ific.uv.es; |
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Amer Physical Soc |
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2470-0010 |
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Notes |
WOS:000441013200003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ pastor @ |
Serial |
3686 |
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Author |
Addazi, A.; Ricciardi, G.; Scarlatella, S.; Srivastava, R.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Interpreting B anomalies within an extended 331 gauge theory |
Type |
Journal Article |
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Year |
2022 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
106 |
Issue |
3 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
035030 - 14pp |
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Abstract |
In light of the recent R-K(*) data on neutral current flavor anomalies in B -> K-(*())l(+)l(-) decays, we reexamine their quantitative interpretation in terms of an extended 331 gauge theory framework. We achieve this by adding two extra lepton species with novel 331 charges, while ensuring that the model remains anomaly-free. In contrast to the canonical 331 models, the gauge charges of the first and second lepton families differ from each other, allowing lepton-flavor universality violation. We further expand the model by adding the neutral fermions required to provide an adequate description for small neutrino masses. |
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Address |
[Addazi, Andrea] Sichuan Univ, Coll Phys, Ctr Theoret Phys, Chengdu 610065, Peoples R China, Email: Addazi@scu.edu.cn; |
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Amer Physical Soc |
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2470-0010 |
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WOS:000872136400001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
5393 |
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Author |
Batra, A.; Camara, H.B.; Joaquim, F.R.; Srivastava, R.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Axion Paradigm with Color-Mediated Neutrino Masses |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
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Volume |
132 |
Issue |
5 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
051801 - 7pp |
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We propose a generalized Kim-Shifman-Vainshtein-Zakharov-type axion framework in which colored fermions and scalars act as two -loop Majorana neutrino -mass mediators. The global Peccei-Quinn symmetry under which exotic fermions are charged solves the strong CP problem. Within our general proposal, various setups can be distinguished by probing the axion-to-photon coupling at helioscopes and haloscopes. We also comment on axion dark -matter production in the early Universe. |
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Address |
[Batra, A.; Camara, H. B.; Joaquim, F. R.] Univ Lisbon, Inst Super Tecn, Dept Fis, Av Rovisco Pais 1, P-1049001 Lisbon, Portugal, Email: aditya.batra@tecnico.ulisboa.pt; |
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Amer Physical Soc |
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0031-9007 |
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Notes |
WOS:001179272300003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6012 |
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Permanent link to this record |
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Author |
Chen, P.; Centelles Chulia, S.; Ding, G.J.; Srivastava, R.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
CP symmetries as guiding posts: Revamping tribimaximal mixing. II |
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 |
5 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
053001 - 15pp |
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In this follow up of arXiv:1812.04663 we analyze the generalized CP symmetries of the charged lepton mass matrix compatible with the complex version of the tribimaximal (TBM) lepton mixing pattern. These symmetries are used to “revamp” the simplest TBM Ansatz in a systematic way. Our generalized patterns share some of the attractive features of the original TBM matrix and are consistent with current oscillation experiments. We also discuss their phenomenological implications both for upcoming neutrino oscillation and neutrinoless double beta decay experiments. |
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Address |
[Chen, Peng] Ocean Univ China, Coll Informat Sci & Engn, Qingdao 266100, Shandong, Peoples R China, Email: pche@mail.ustc.edu.cn; |
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Amer Physical Soc |
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English |
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ISSN |
2470-0010 |
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Notes |
WOS:000483938300002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4134 |
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Permanent link to this record |
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Author |
Chen, P.; Centelles Chulia, S.; Ding, G.J.; Srivastava, R.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Realistic tribimaximal neutrino mixing |
Type |
Journal Article |
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Year |
2018 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
98 |
Issue |
5 |
Pages ![sorted by First Page field, ascending order (up)](img/sort_asc.gif) |
055019 - 6pp |
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Keywords |
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Abstract |
We propose a generalized version of the tribimaximal (TBM) ansatz for lepton mixing, leading to a nonzero reactor angle theta(13) and CP violation. The latter is characterized by two CP phases. The Dirac phase, affecting neutrino oscillations, is nearly maximal (delta(CP) similar to +/- pi/2), while the Majorana phase implies narrow allowed ranges for the neutrinoless double beta decay amplitude. The solar angle theta(12) lies nearly at its TBM value, while the atmospheric angle theta(23) has the TBM value for a maximal delta(CP). Neutrino oscillation predictions can be tested in present and upcoming experiments. |
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Address |
[Chen, Peng] Ocean Univ China, Coll Informat Sci & Engn, Qingdao 266100, Peoples R China, Email: pche@mail.ustc.edu.cn; |
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Corporate Author |
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Thesis |
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Publisher |
Amer Physical Soc |
Place of Publication |
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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:000444729900004 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
3733 |
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Permanent link to this record |