Mass limits for fourth generation sequential neutrinos from dark matter experiments

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dc.creatorRybka, Gray
dc.creatorFisher, Peter
dc.date2005-07-20
dc.date2005-07-21
dc.date.accessioned2026-07-07T03:37:01Z
dc.date.available2026-07-07T03:37:01Z
dc.descriptionCurrent mass limits for fourth generation sequential neutrinos come from dark matter experiments assuming $ρ_{DM}=0.2-0.8$ g/ cm$^3$. We show that the latest results from the CDMS II experiment exclude Dirac neutrinos with masses below 500 GeV assuming only that they are produced as expected by the Big Bang model and clump in the same manner as baryons. We also show the next generation of nuclear recoil experiments will be sensitive to fourth generation Majorana nuetrinos. Finally, we consider the case in which the neutrino interacts with the nucleus via the exchange of a Higgs boson.
dc.description8 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/hep-ex/0507086
dc.identifierhttp://arxiv.org/abs/hep-ex/0507086
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/37952
dc.subjectHigh Energy Physics - Experiment
dc.subjectAstrophysics
dc.titleMass limits for fourth generation sequential neutrinos from dark matter experiments
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