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Author |
Iocco, F.; Taoso, M.; Leclercq, F.; Meynet, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title ![sorted by Title field, descending order (down)](img/sort_desc.gif) |
Main Sequence Stars with Asymmetric Dark Matter |
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Journal Article |
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Year |
2012 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
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Volume |
108 |
Issue |
6 |
Pages |
061301 - 5pp |
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Abstract |
We study the effects of feebly or nonannihilating weakly interacting dark matter (DM) particles on stars that live in DM environments denser than that of our Sun. We find that the energy transport mechanism induced by DM particles can produce unusual conditions in the cores of main sequence stars, with effects which can potentially be used to probe DM properties. We find that solar mass stars placed in DM densities of rho(chi) >= 10(2) GeV/cm(3) are sensitive to spin-dependent scattering cross section sigma(SD) >= 10(-37) cm(2) and a DM particle mass as low as m(chi) = 5 GeV, accessing a parameter range weakly constrained by current direct detection experiments. |
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Address |
[Iocco, Fabio; Leclercq, Florent] Univ Paris 06, CNRS, UPMC, Inst Astrophys Paris,UMR 7095, F-75014 Paris, France |
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Publisher |
Amer Physical Soc |
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English |
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ISSN |
0031-9007 |
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Notes |
WOS:000300099700003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
895 |
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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 ![sorted by Title field, descending order (down)](img/sort_desc.gif) |
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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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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Publisher |
Amer Physical Soc |
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Language |
English |
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Edition |
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ISSN |
1550-7998 |
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Expedition |
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Conference |
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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 |
Epele, L.N.; Fanchiotti, H.; Garcia Canal, C.A.; Mitsou, V.A.; Vento, V. |
![goto web page (via DOI) doi](img/doi.gif)
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Title ![sorted by Title field, descending order (down)](img/sort_desc.gif) |
Looking for magnetic monopoles at LHC with diphoton events |
Type |
Journal Article |
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Year |
2012 |
Publication |
European Physical Journal Plus |
Abbreviated Journal |
Eur. Phys. J. Plus |
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Volume |
127 |
Issue |
5 |
Pages |
60 - 15pp |
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Keywords |
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Abstract |
Magnetic monopoles have been a subject of interest since Dirac established the relation between the existence of monopoles and charge quantization. The intense experimental search carried thus far has not met with success. The Large Hadron Collider is reaching energies never achieved before allowing the search for exotic particles in the TeV mass range. In a continuing effort to discover these rare particles we propose here other ways to detect them. We study the observability of monopoles and monopolium, a monopole-antimonopole bound state, at the Large Hadron Collider in the gamma gamma channel for monopole masses in the range 500-1000 GeV. We conclude that LHC is an ideal machine to discover monopoles with masses below 1 TeV at present running energies and with 5 fb(-1) of integrated luminosity. |
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Address |
[Epele, Luis N.; Fanchiotti, Huner; Garcia Canal, Carlos A.] Univ Nacl La Plata, Fac Ciencias Exactas, IFLP, CONICET,Dept Fis,Lab Fis Teor, RA-1900 La Plata, Argentina, Email: epele@fisica.unlp.edu.ar; |
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Publisher |
Springer Heidelberg |
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Language |
English |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
2190-5444 |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000304697400001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1051 |
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Permanent link to this record |
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Author |
Barry, J.; Dorame, L.; Rodejohann, W. |
![goto web page (via DOI) doi](img/doi.gif)
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Title ![sorted by Title field, descending order (down)](img/sort_desc.gif) |
Linear collider test of a neutrinoless double beta decay mechanism in left-right symmetric theories |
Type |
Journal Article |
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Year |
2012 |
Publication |
European Physical Journal C |
Abbreviated Journal |
Eur. Phys. J. C |
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Volume |
72 |
Issue |
5 |
Pages |
2023 - 11pp |
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Keywords |
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Abstract |
There are various diagrams leading to neutrinoless double beta decay in left-right symmetric theories based on the gauge group SU(2)(L) x SU(2)(R). All can in principle be tested at a linear collider running in electron-electron mode. We argue that the so-called lambda-diagram is the most promising one. Taking the current limit on this diagram from double beta decay experiments, we evaluate the relevant cross section e(-)e(-) -> WL-WR-, where W-L(-) is the Standard Model W-boson and W-R(-) the one from SU(2)(R). It is observable if the life-time of double beta decay and the mass of the W-R are close to current limits. Beam polarization effects and the high-energy behaviour of the cross section are also analyzed. |
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Address |
[Barry, James; Rodejohann, Werner] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany, Email: james.barry@mpi-hd.mpg.de; |
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Publisher |
Springer |
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 |
1434-6044 |
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Area |
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Expedition |
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Conference |
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Notes |
WOS:000304778800002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1057 |
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Permanent link to this record |
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Author |
Semikoz, V.B.; Sokoloff, D.D.; Valle, J.W.F. |
![goto web page (via DOI) doi](img/doi.gif)
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Title ![sorted by Title field, descending order (down)](img/sort_desc.gif) |
Lepton asymmetries and primordial hypermagnetic helicity evolution |
Type |
Journal Article |
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Year |
2012 |
Publication |
Journal of Cosmology and Astroparticle Physics |
Abbreviated Journal |
J. Cosmol. Astropart. Phys. |
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Volume |
06 |
Issue |
6 |
Pages |
008 - 12pp |
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Keywords |
Magnetohydrodynamics; galactic magnetic fields; cosmic magnetic fields theory; particle physics – cosmology connection |
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Abstract |
The hypermagnetic helicity density at the electroweak phase transition (EWPT) exceeds many orders of magnitude the galactic magnetic helicity density. Together with previous magnetic helicity evolution calculations after the EWPT and hypermagnetic helicity conversion to the magnetic one at the EWPT, the present calculation completes the description of the evolution of this important topological feature of cosmological magnetic fields. It suggests that if the magnetic field seeding the galactic dynamo has a primordial origin, it should be substantially helical. This should be taken into account in scenarios of galactic magnetic field evolution with a cosmological seed. |
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Address |
[Semikoz, V. B.; Valle, J. W. F.] Univ Valencia, CSIC, Inst Fis Corpuscular, AHEP Grp, E-46071 Valencia, Spain, Email: semikoz@ific.uv.es; |
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Thesis |
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Publisher |
Iop Publishing Ltd |
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 |
1475-7516 |
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:000306003500008 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1101 |
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Permanent link to this record |