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Author |
Semikoz, V.B.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Chern-Simons anomaly as polarization effect |
Type |
Journal Article |
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Year |
2011 |
Publication |
Journal of Cosmology and Astroparticle Physics |
Abbreviated Journal |
J. Cosmol. Astropart. Phys. |
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Volume |
11 |
Issue |
11 |
Pages |
048 |
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Abstract |
The parity violating, Chern-Simons term in the epoch before the electroweak phase transition can be interpreted as a polarization effect associated to massless right-handed electrons (positrons) in the presence of a large-scale seed hypermagnetic field. We reconfirm the viability of a unified seed field scenario relating the cosmological baryon asymmetry and the origin of the protogalactic large-scale magnetic fields observed in astronomy. |
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1475-7516 |
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WOS:000298141300048 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number ![sorted by Call Number field, ascending order (up)](img/sort_asc.gif) |
IFIC @ elepoucu @ |
Serial |
866 |
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Author |
Escrihuela, F.J.; Tortola, M.; Valle, J.W.F.; Miranda, O.G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Global constraints on muon-neutrino nonstandard interactions |
Type |
Journal Article |
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Year |
2011 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
83 |
Issue |
9 |
Pages |
093002 - 8pp |
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Abstract |
The search for new interactions of neutrinos beyond those of the standard model may help to elucidate the mechanism responsible for neutrino masses. Here, we combine existing accelerator neutrino data with restrictions coming from a recent atmospheric neutrino data analysis in order to lift parameter degeneracies and improve limits on new interactions of muon neutrinos with quarks. In particular, we reconsider the results of the E-815 experiment at Fermilab (NuTeV) in view of a new evaluation of its systematic uncertainties. We find that, although constraints for muon neutrinos are better than those applicable to tau or electron neutrinos, they lie at the few X 10(-2) level, not as strong as previously believed. We briefly discuss prospects for further improvement. |
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Address |
[Escrihuela, F. J.; Tortola, M.; Valle, J. W. F.] Univ Politecn Valencia, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain, Email: franesfe@alumni.uv.es |
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Amer Physical Soc |
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English |
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1550-7998 |
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Notes |
ISI:000290230200002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number ![sorted by Call Number field, ascending order (up)](img/sort_asc.gif) |
IFIC @ pastor @ |
Serial |
616 |
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Author |
Hirsch, M.; Morisi, S.; Peinado, E.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Discrete dark matter |
Type |
Journal Article |
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Year |
2010 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
82 |
Issue |
11 |
Pages |
116003 - 5pp |
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Abstract |
We propose a new motivation for the stability of dark matter (DM). We suggest that the same non-Abelian discrete flavor symmetry which accounts for the observed pattern of neutrino oscillations, spontaneously breaks to a Z(2) subgroup which renders DM stable. The simplest scheme leads to a scalar doublet DM potentially detectable in nuclear recoil experiments, inverse neutrino mass hierarchy, hence a neutrinoless double beta decay rate accessible to upcoming searches, while theta(13) = 0 gives no CP violation in neutrino oscillations. |
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[Hirsch, M.; Morisi, S.; Peinado, E.; Vallex, J. W. F.] Univ Valencia, CSIC, AHEP Grp, Inst Fis Corpuscular, E-46071 Valencia, Spain, Email: mahirsch@ific.uv.es |
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Amer Physical Soc |
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1550-7998 |
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Notes |
ISI:000286565700007 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number ![sorted by Call Number field, ascending order (up)](img/sort_asc.gif) |
IFIC @ pastor @ |
Serial |
521 |
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Permanent link to this record |
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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 |
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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English |
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ISSN |
1550-7998 |
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Conference |
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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 ![sorted by Call Number field, ascending order (up)](img/sort_asc.gif) |
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 |
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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Address |
[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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English |
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Series Editor |
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ISSN |
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 ![sorted by Call Number field, ascending order (up)](img/sort_asc.gif) |
IFIC @ pastor @ |
Serial |
975 |
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Permanent link to this record |