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The Cosmic Neutrino Background

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arxiv 2402.16243 v1 pith:MZYZVLMO submitted 2024-02-26 astro-ph.CO hep-ph

classification astro-ph.COhep-ph
keywords backgroundcosmiclessneutrinobecausedetectdetecteddirectly
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The cosmic neutrino background is like the cosmic microwave background, but less photon-y and more neutrino-ey. The CNB is also less talked about than the CMB, mostly because it's nearly impossible to detect directly. But if it could be detected, it would be interesting in several ways that are discussed.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Sensitivity of Next-Generation CMB Surveys to Neutrinos and Other Light Relics

    astro-ph.CO 2026-08 conditional novelty 6.0 of 10

    CMB-S4 forecasts: the two-site design reaches sigma(Neff)=0.029 in seven years, the Chile-only revised design reaches 0.030 in nine, and a cosmic-variance-limited survey would reach 0.0073.

  2. Lorentz Transformation of the Energy Spectrum of the Equilibrium State of Massive Free Fields

    cond-mat.stat-mech 2024-12 accept novelty 6.0 of 10

    Massive free-field spectra in moving frames cannot be represented by a scalar temperature with dipole anisotropy, forcing the use of a four-vector temperature.

  3. Neutrino masses from large-scale structures: future sensitivity and theory dependence

    astro-ph.CO 2024-12 conditional novelty 6.0 of 10

    Forecasted 1-sigma sensitivity to the sum of neutrino masses is 15 meV for Planck+DESI and 7 meV for CMB-S4+MegaMapper, with the one-loop bispectrum providing 10% and 30% of the constraining power.

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