Cosmological Limits on the Neutrino Mass from the Lya Forest

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dc.creatorCroft, Rupert A. C.
dc.creatorHu, Wayne
dc.creatorDave', Romeel
dc.date1999-03-23
dc.date.accessioned2026-07-07T10:31:50Z
dc.date.available2026-07-07T10:31:50Z
dc.descriptionThe Lya forest in quasar spectra probes scales where massive neutrinos can strongly suppress the growth of mass fluctuations. Using hydrodynamic simulations with massive neutrinos, we successfully test techniques developed to measure the mass power spectrum from the forest. A recent observational measurement in conjunction with a conservative implementation of other cosmological constraints places upper limits on the neutrino mass: m_nu < 5.5 eV for all values of Omega_m, and m_nu < 2.4 (Omega_m/0.17 -1) eV, if 0.2 < Omega_m <0.5 as currently observationally favored (both 95 % C.L.).
dc.description4 pages, 2 ps figures, REVTex, submitted to Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/astro-ph/9903335
dc.identifierhttp://arxiv.org/abs/astro-ph/9903335
dc.identifierPhys.Rev.Lett.83:1092-1095,1999
dc.identifierdoi:10.1103/PhysRevLett.83.1092
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178553
dc.subjectAstrophysics
dc.titleCosmological Limits on the Neutrino Mass from the Lya Forest
dc.typetext

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