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Author |
Herrero-Garcia, J.; Schwetz, T.; Zupan, J. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Astrophysics independent bounds on the annual modulation of dark matter signals |
Type |
Journal Article |
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Year ![sorted by Year field, descending order (down)](img/sort_desc.gif) |
2012 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
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Volume |
109 |
Issue |
14 |
Pages |
141301 - 5pp |
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Abstract |
We show how constraints on the time integrated event rate from a given dark matter (DM) direct detection experiment can be used to bound the amplitude of the annual modulation signal in another experiment. The method requires only mild assumptions about the properties of the local DM distribution: that it is temporally stable on the scale of months and spatially homogeneous on the ecliptic. We apply the method to the annual modulation signal in DAMA/LIBRA, which we compare to the bounds derived from XENON10, XENON100, cryogenic DM search, and SIMPLE data. Assuming a DM mass of 10 GeV, we show that under the above assumptions about the DM halo, a DM interpretation of the DAMA/LIBRA signal is excluded for several classes of models: at 6.3 sigma (4.6 sigma) for elastic isospin conserving (violating) spin-independent interactions, and at 4.9 sigma for elastic spin-dependent interactions on protons. |
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Address |
[Herrero-Garcia, Juan] Univ Valencia, CSIC, Dept Fis Teor, E-46071 Valencia, Spain, Email: juan.a.herrero@uv.es; |
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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:000309455600003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1179 |
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Author |
Aparici, A.; Herrero-Garcia, J.; Rius, N.; Santamaria, A. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Neutrino masses from new generations |
Type |
Journal Article |
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2011 |
Publication |
Journal of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
07 |
Issue |
7 |
Pages |
122 |
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Abstract |
We reconsider the possibility that Majorana masses for the three known neutrinos are generated radiatively by the presence of a fourth generation and one right-handed neutrino with Yukawa couplings and a Majorana mass term. We find that the observed light neutrino mass hierarchy is not compatible with low energy universality bounds in this minimal scenario, but all present data can be accommodated with five generations and two right-handed neutrinos. Within this framework, we explore the parameter space regions which are currently allowed and could lead to observable effects in neutrinoless double beta decay, mu-e conversion in nuclei and μ-> e gamma experiments. We also discuss the detection prospects at LHC. |
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1126-6708 |
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Notes |
WOS:000293741500058 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
no |
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Call Number |
IFIC @ elepoucu @ |
Serial |
759 |
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Permanent link to this record |