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Related papers: Neutrino footprint in Large Scale Structure

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Recent advances in cosmic observations have brought us to the verge of discovery of the absolute scale of neutrino masses. Nonzero neutrino masses are known evidence of new physics beyond the Standard Model. Our understanding of the…

There is a renewed interest in constraining the sum of the masses of the three neutrino flavours by using cosmological measurements. Solar, atmospheric, and reactor neutrino experiments have confirmed neutrino oscillations, implying that…

High Energy Physics - Phenomenology · Physics 2008-11-26 Oystein Elgaroy , Ofer Lahav

A key question in cosmology is whether massive neutrinos exist on cosmic scales. Current cosmological observations have severely compressed the viable range for neutrino masses and even prefer phenomenologically an effective negative mass.…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-28 Deng Wang

The present experimental results on neutrino flavour oscillations provide evidence for non-zero neutrino masses, but give no hint on their absolute mass scale, which is the target of beta decay and neutrinoless double-beta decay…

Astrophysics · Physics 2007-05-23 Julien Lesgourgues , Sergio Pastor

Nearly 70 years since the neutrino was discovered, and 25 years since discovery of neutrino oscillations established its non-zero mass, the absolute neutrino-mass scale remains unknown. Due to its unique characteristics, determining this…

Nuclear Experiment · Physics 2024-11-14 Larisa A. Thorne

The various experiments on neutrino oscillation evidenced that neutrinos have indeed non-zero masses but cannot tell us the absolute neutrino mass scale. This scale of neutrino masses is very important for understanding the evolution and…

High Energy Physics - Experiment · Physics 2013-09-05 Christian Weinheimer , Kai Zuber

A promising avenue to measure the total, and potentially individual, mass of neutrinos consists of leveraging cosmological datasets, such as the cosmic microwave background and surveys of the large-scale structure of the universe. In order…

Cosmology and Nongalactic Astrophysics · Physics 2021-01-27 Weishuang Linda Xu , Nicholas DePorzio , Julian B. Muñoz , Cora Dvorkin

We study the possibility for a measurement of neutrino mass using weak gravitational lensing. The presence of non-zero mass neutrinos leads to a suppression of power at small scales and reduces the expected weak lensing signal. The…

Astrophysics · Physics 2011-05-23 Asantha R. Cooray

While it is established that the effect of neutrinos on the evolution of cosmic structure is small, the upper limits derived from large-scale structure could help significantly to constrain the absolute scale of the neutrino masses. Current…

Astrophysics · Physics 2008-11-26 Ofer Lahav , Oystein Elgaroy

Both particle physics experiments and cosmological observations have been used to explore neutrino properties. Cosmological researches of neutrinos often rely on the early-universe cosmic microwave background observations or other…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-27 Yue Shao , Guo-Hong Du , Tian-Nuo Li , Xin Zhang

The evidence for non-vanishing neutrino masses from solar and atmospheric neutrinos provides the first solid hint towards physics beyond the standard model. A full reconstruction of the neutrino spectrum may well provide a key to the…

High Energy Physics - Phenomenology · Physics 2017-09-27 Heinrich Päs

We investigate the impact of massive neutrinos on the distribution of matter in the semi-non-linear regime (0.1<k<0.6 h/Mpc). We present a suite of large-scale N-body simulations quantifying the scale dependent suppression of the total…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-30 Shankar Agarwal , Hume A. Feldman

Massive neutrinos suppress the growth of cosmic structure on small, non-linear, scales. It is thus often proposed that using statistics beyond the power spectrum can tighten constraints on the neutrino mass by extracting additional…

Cosmology and Nongalactic Astrophysics · Physics 2022-06-16 Adrian E. Bayer , Arka Banerjee , Uros Seljak

The main effect of massive neutrinos on the large-scale structure consists in a few percent suppression of matter perturbations on all scales below their free-streaming scale. Such effect is of particular importance as it allows to…

Cosmology and Nongalactic Astrophysics · Physics 2018-03-13 Rossana Ruggeri , Emanuele Castorina , Carmelita Carbone , Emiliano Sefusatti

Thanks to oscillation experiments it is now an established fact that neutrinos are massive particles. Yet, the assessment of neutrinos absolute mass scale is still an outstanding challenge in particle physics and cosmology as oscillation…

Instrumentation and Detectors · Physics 2017-06-28 Andrea Giachero

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 study the impact of assumptions made about the neutrino mass ordering on cosmological parameter estimation with the purpose of understanding whether in the future it will be possible to infer the specific neutrino mass distribution from…

Cosmology and Nongalactic Astrophysics · Physics 2020-09-15 Maria Archidiacono , Steen Hannestad , Julien Lesgourgues

The fact that neutrinos are massive has been the most crucial evidence of physics beyond the Standard Model of elementary particles. To date, we still do not know how neutrinos get mass and why their mass is much smaller than that of their…

High Energy Physics - Phenomenology · Physics 2021-11-24 Son Cao , N. T. Hong Van , T. V. Ngoc , P. T. Quyen

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

Cosmological observations are a powerful probe of neutrino properties, and in particular of their mass. In this review, we first discuss the role of neutrinos in shaping the cosmological evolution at both the background and perturbation…

Cosmology and Nongalactic Astrophysics · Physics 2017-12-20 Massimiliano Lattanzi , Martina Gerbino
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