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Related papers: Neutrino Physics from the Cosmic Microwave Backgro…

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Cosmological probes are steadily reducing the total neutrino mass window, resulting in constraints on the neutrino-mass degeneracy as the most significant outcome. In this work we explore the discovery potential of cosmological probes to…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-13 Raul Jimenez , Thomas Kitching , Carlos Pena-Garay , Licia Verde

We present cosmological upper limits on the sum of active neutrino masses using large-scale power spectrum data from the WiggleZ Dark Energy Survey and from the Sloan Digital Sky Survey - Data Release 7 (SDSS-DR7) sample of Luminous Red…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-29 Antonio J. Cuesta , Viviana Niro , Licia Verde

Current cosmic microwave background (CMB) bounds on the sum of the neutrino masses assume a sudden reionization scenario described by a single parameter that determines the onset of reionization. We investigate the bounds on the neutrino…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-11 Maria Archidiacono , Asantha Cooray , Alessandro Melchiorri , Stefania Pandolfi

Nonzero neutrino masses guarantee new physics and neutrinos are excellent probes of extreme environments in the Universe. The recent collider neutrino experimental program, including FASER$\nu$ and SND@LHC, along with the planned Forward…

High Energy Physics - Phenomenology · Physics 2026-05-29 Bei Zhou , Pedro Machado

Neutrino physics in the early Universe is key to our understanding of later cosmological stages, such as primordial nucleosynthesis (BBN) or the formation of large-scale structures. The coming decade promises new experimental results to…

Cosmology and Nongalactic Astrophysics · Physics 2022-09-15 Julien Froustey

We present a joint analysis of the Planck cosmic microwave background (CMB) and Baryon Oscillation Spectroscopic Survey (BOSS) final data releases. A key novelty of our study is the use of a new full-shape (FS) likelihood for the…

Cosmology and Nongalactic Astrophysics · Physics 2020-04-08 Mikhail M. Ivanov , Marko Simonović , Matias Zaldarriaga

Positive evidence for neutrino oscillations is mounting from the solar and atmospheric neutrino anomalies and the LSND experiment. Accordingly, the neutrino mass differences appear to lie in the sub-eV range and at least some of the mixing…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Raffelt

We discuss the effects of neutrino mixing and the neutrino mass hierarchy when considering the capture of the cosmic neutrino background (CNB) on radioactive nuclei. The implications of mixing and hierarchy at future generations of tritium…

Astrophysics · Physics 2008-11-26 Mattias Blennow

Recent constrains on the sum of neutrino masses inferred by analyzing cosmological data, show that detecting a non-zero neutrino mass is within reach of forthcoming cosmological surveys, implying a direct determination of the absolute…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-15 Raul Jimenez , Carlos Pena-Garay , Licia Verde

Neutrinos are amongst the most abundant particles in the universe. The fact that they are massive particles proves that the Standard Model is an incomplete theory and needs to be extended. This thesis focuses on the study of neutrino…

High Energy Physics - Phenomenology · Physics 2023-09-28 Pablo Martínez-Miravé

With WMAP putting the phenomenological standard model of cosmology on a strong footing, one can look forward to mining the cosmic microwave background (CMB) for fundamental physics with higher sensitivity and on smaller scales. Future CMB…

Astrophysics · Physics 2015-06-24 Manoj Kaplinghat

Measuring the absolute scale of the neutrino masses is one of the most exciting opportunities available with near-term cosmological datasets. Two quantities that are sensitive to neutrino mass, scale-dependent halo bias $b(k)$ and the…

Cosmology and Nongalactic Astrophysics · Physics 2016-06-01 Marilena LoVerde

Neutrinos are the least known particle in the Standard Model of elementary particle physics. They play a crucial role in cosmology, governing the universe's evolution and shaping the large-scale structures we observe today. In this chapter,…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-01 Eleonora Di Valentino , Stefano Gariazzo , Olga Mena

We consider the inference of the cosmic radiation density, traditionally parameterised as the effective number of neutrino species N_eff, from precision cosmological data. Paying particular attention to systematic effects, notably…

Astrophysics · Physics 2008-11-26 Jan Hamann , Steen Hannestad , Georg G. Raffelt , Yvonne Y. Y. Wong

Cosmological observations are promising ways to improve our understanding of neutrino mass properties. The upper bound on the sum of masses is given by the cosmic microwave background and large scale structure. These measurements are all…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-17 Hao-Ran Yu , Ue-Li Pen , Xin Wang

We present cosmological perturbation theory in neutrinos probe interacting dark-energy models, and calculate cosmic microwave background anisotropies and matter power spectrum. In these models, the evolution of the mass of neutrinos is…

Astrophysics · Physics 2009-06-23 Kiyotomo Ichiki , Yong-Yeon Keum

Surveys of weak gravitational lensing of distant galaxies will be one of the key cosmological probes in the future. We study the ability of such surveys to constrain neutrino masses and the equation of state parameter of the dark energy,…

Astrophysics · Physics 2010-12-09 Steen Hannestad , Huitzu Tu , Yvonne Y. Y. Wong

Neutrinos traveling over cosmic distances are ideal probes of new physics. We leverage on the approaching detection of the diffuse supernova neutrino background (DSNB) to explore whether, if the DSNB showed departures from theoretical…

High Energy Astrophysical Phenomena · Physics 2025-01-03 Miller MacDonald , Pablo Martínez-Miravé , Irene Tamborra

Neutrinos provide a compelling avenue to explore physics beyond the Standard Model. This proceeding is a brief summary of a plenary talk given at the 12th Neutrino Oscillation Workshop (NOW2024). We present a discussion on various topics on…

High Energy Physics - Phenomenology · Physics 2025-01-09 Manibrata Sen

Neutrinos continue to provide a testing ground for the structure of the standard model of particle physics as well as hints towards the physics beyond the standard model. Neutrinos of energies spanning over several orders of magnitude,…

High Energy Physics - Phenomenology · Physics 2023-12-19 V. Pandey
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