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1.
Robustness of cosmic neutrino background detection in the cosmic microwave background / Audren, Benjamin (IPT, Lausanne) ; Bellini, Emilio (ICC, Barcelona U.) ; Cuesta, Antonio J (ICC, Barcelona U.) ; Gontcho, Satya Gontcho A (ICC, Barcelona U.) ; Lesgourgues, Julien (CERN ; Annecy, LAPTH) ; Niro, Viviana (Madrid, Autonoma U ; Madrid, IFT) ; Pellejero-Ibanez, Marcos (IAC, La Laguna ; Laguna U., Tenerife) ; Pérez-Ràfols, Ignasi (ICC, Barcelona U.) ; Poulin, Vivian (Annecy, LAPTH) ; Tram, Thomas et al.
The existence of a cosmic neutrino background can be probed indirectly by CMB experiments, not only by measuring the background density of radiation in the universe, but also by searching for the typical signatures of the fluctuations of free-streaming species in the temperature and polarisation power spectrum. Previous studies have already proposed a rather generic parametrisation of these fluctuations, that could help to discriminate between the signature of ordinary free-streaming neutrinos, or of more exotic dark radiation models. [...]
arXiv:1412.5948; CERN-PH-TH-2014-266; LAPTH-238-14; FTUAM-14-51; IFT-UAM-CSIC-14-132.- 2015 - 18 p. - Published in : JCAP 03 (2015) 036 Fulltext: PDF; External link: Preprint
2.
DAMA/LIBRA data and leptonically interacting dark matter / Kopp, Joachim (Heidelberg, Max Planck Inst.) ; Niro, Viviana (Heidelberg, Max Planck Inst.) ; Schwetz, Thomas (Heidelberg, Max Planck Inst.) ; Zupan, Jure (CERN)
We consider the hypothesis that Dark Matter (DM) has tree-level interactions only with leptons. Such a framework, where DM recoils against electrons bound in atoms, has been proposed as an explanation for the annually modulated scintillation signal in DAMA/LIBRA versus the absence of a signal for nuclear recoils in experiments like CDMS or XENON10. [...]
arXiv:0907.3159; CERN-PH-TH-2009-116.- Geneva : CERN, 2009 - 33 p. - Published in : Phys. Rev. D 80 (2009) 083502 APS Published version, local copy : PDF; External link: Preprint

Смотрите также: похожие имена автора
5 Niro, V
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