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Author |
Morisi, S.; Peinado, E.; Shimizu, Y.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Relating quarks and leptons without grand unification |
Type |
Journal Article |
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Year |
2011 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Physical Review D |
Abbreviated Journal |
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Volume |
84 |
Issue |
3 |
Pages |
036003 |
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Abstract |
In combination with supersymmetry, flavor symmetry may relate quarks with leptons, even in the absence of a grand-unification group. We propose an SU(3) x SU(2) x U(1) model where both supersymmetry and the assumed A(4) flavor symmetries are softly broken, reproducing well the observed fermion mass hierarchies and predicting: (i) a relation between down-type quarks and charged lepton masses, and (ii) a correlation between the Cabibbo angle in the quark sector and the reactor angle theta(13) characterizing CP violation in neutrino oscillations. |
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1550-7998 |
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WOS:000293375500004 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
717 |
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Author |
Rodejohann, W.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Symmetrical parametrizations of the lepton mixing matrix |
Type |
Journal Article |
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Year |
2011 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
84 |
Issue |
7 |
Pages |
073011 - 6pp |
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Abstract |
Advantages of the original symmetrical form of the parametrization of the lepton mixing matrix are discussed. It provides a conceptually more transparent description of neutrino oscillations and lepton number violating processes like neutrinoless double beta decay, clarifying the significance of Dirac and Majorana phases. It is also ideal for parametrizing scenarios with light sterile neutrinos. |
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[Rodejohann, W] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany, Email: werner.rodejohann@mpi-hd.mpg.de |
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Amer Physical Soc |
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English |
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1550-7998 |
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Notes |
WOS:000296885300003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
800 |
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Author |
Restrepo, D.; Taoso, M.; Valle, J.W.F.; Zapata, O. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Gravitino dark matter and neutrino masses with bilinear R-parity violation |
Type |
Journal Article |
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Year |
2012 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
85 |
Issue |
2 |
Pages |
023523 - 7pp |
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Abstract |
Bilinear R-parity violation provides an attractive origin for neutrino masses and mixings. In such schemes the gravitino is a viable decaying dark matter particle whose R-parity violating decays lead to monochromatic photons with rates accessible to astrophysical observations. We determine the parameter region allowed by gamma-ray line searches, dark matter relic abundance, and neutrino oscillation data, obtaining a limit on the gravitino mass m((G) over tilde) less than or similar to 1-10 GeV corresponding to a relatively low reheat temperature T-R less than or similar to few x 10(7)-10(8) GeV. Neutrino mass and mixing parameters may be reconstructed at accelerator experiments like the Large Hadron Collider. |
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[Restrepo, Diego] Univ Antioquia, Inst Fis, Medellin 1226, Colombia, Email: restrepo@udea.edu.co |
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Amer Physical Soc |
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1550-7998 |
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Notes |
WOS:000299932700003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
899 |
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Permanent link to this record |
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Author |
Garces, E.A.; Miranda, O.G.; Tortola, M.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Low-energy neutrino-electron scattering as a standard model probe: The potential of LENA as case study |
Type |
Journal Article |
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Year |
2012 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
85 |
Issue |
7 |
Pages |
073006 - 6pp |
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Keywords |
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Abstract |
Several proposals for studying neutrinos with large detectors are currently under discussion. We suggest that they could provide a precise measurement of the electroweak mixing angle as well as a probe for new physics, such as nonstandard neutrino interactions, and the electroweak gauge structure. We illustrate this explicitly for the case of the LENA proposal, either with an artificial radioactive source or by using the solar neutrino flux. |
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[Garces, E. A.; Miranda, O. G.] IPN, Dept Fis, Ctr Invest & Estudios Avanzados, Mexico City 07000, DF, Mexico, Email: egarces@fis.cinvestav.mx |
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Amer Physical Soc |
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1550-7998 |
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Notes |
WOS:000302405900001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
975 |
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Permanent link to this record |
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Author |
Aguilar-Saavedra, J.A.; Deppisch, F.; Kittel, O.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Flavor in heavy neutrino searches at the LHC |
Type |
Journal Article |
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Year |
2012 |
Publication ![sorted by Publication field, descending order (down)](img/sort_desc.gif) |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
85 |
Issue |
9 |
Pages |
091301 - 4pp |
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Keywords |
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Abstract |
Heavy neutrinos at the TeV scale have been searched for at the LHC in the context of left-right models, under the assumption that they couple to the electron, the muon, or both. We show that current searches are also sensitive to heavy neutrinos coupling predominantly to the tau lepton, and present limits can significantly constrain the parameter space of general flavor mixing. |
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Address |
[Aguilar-Saavedra, J. A.; Kittel, O.] Univ Granada, Dept Fis Teor & Cosmos, E-18071 Granada, Spain, Email: jaas@ugr.es; |
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Publisher |
Amer Physical Soc |
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English |
Summary Language |
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Original Title |
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1550-7998 |
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Notes |
WOS:000304400400001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1045 |
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Permanent link to this record |