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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 compare the model power spectrum, computed based on perturbation theory (PT) with the power spectrum of luminous red galaxies (LRG) measured from the SDSSDR7 catalog, assuming a flat, CDM-dominated cosmology. The model includes the…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-21 Shun Saito , Masahiro Takada , Atsushi Taruya

We present a framework to combine data from the latest neutrinoless double-beta decay experiments for multiple isotopes and derive a limit on the effective neutrino mass using the experimental energy distributions. The combined limits on…

High Energy Physics - Experiment · Physics 2015-06-12 Pawel Guzowski , Luke Barnes , Justin Evans , Georgia Karagiorgi , Nathan McCabe , Stefan Soldner-Rembold

Distortions of CMB temperature and polarization maps caused by gravitational lensing, observable with high angular resolution and sensitivity, can be used to constrain the sterile neutrino mass, m_s, from CMB data alone. We forecast…

Astrophysics · Physics 2007-05-23 L. A. Popa , A. Vasile

We investigate potential constraints from cosmic shear on the dark matter particle mass, assuming all dark matter is made up of light thermal relic particles. Given the theoretical uncertainties involved in making cosmological predictions…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-03 Katarina Markovič , Sarah Bridle , Anže Slosar , Jochen Weller

We examine whether future, nearly all-sky galaxy redshift surveys, in combination with CMB priors, will be able to detect the signature of the cosmic neutrino background and determine the absolute neutrino mass scale. We also consider what…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-17 Carmelita Carbone , Licia Verde , Yun Wang , Andrea Cimatti

We derive upper limits on the sum of neutrino masses from an updated combination of data from Cosmic Microwave Background experiments and Galaxy Redshifts Surveys. The results are discussed in the context of three-flavor neutrino mixing and…

Astrophysics · Physics 2009-10-07 A. Melchiorri , G. L. Fogli , E. Lisi , A. Marrone , A. Palazzo , P. Serra , J. I. Silk

In the Standard Model, neutrinos are massless. However, oscillation experiments demonstrate that they do have a small mass. Currently, only the differences of the masses squared are known, along with an upper bound on their sum. Upcoming…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-20 Farshad Kamalinejad , Zachary Slepian

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

It has been shown that neutrino masses can be determined under the particle ansatz. In this paper, we give the general formulas of neutrino masses related to the neutrino oscillation parameters which show that there is a mass hierarchy…

High Energy Physics - Phenomenology · Physics 2018-03-01 Wen-Jie Wu , Xiang Zhou

The presence of massive neutrinos affects structure formation, leaving imprints on large-scale structure observables such as the weak lensing field. The common lensing analyses with two-point statistics are insensitive to the large amount…

Cosmology and Nongalactic Astrophysics · Physics 2019-06-12 Gabriela A. Marques , Jia Liu , José Manuel Zorrilla Matilla , Zoltán Haiman , Armando Bernui , Camila P. Novaes

After reviewing the main mechanisms by which cosmological measurements constrain the sum of neutrino masses, I give the current reached upper limits, emphasizing the level of model-dependence. A large improvement is to be expected with…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-17 Stephane Plaszczynski

We present a showcase for deriving bounds on the neutrino masses from laboratory experiments and cosmological observations. We compare the frequentist and Bayesian bounds on the effective electron neutrino mass m_beta which the KATRIN…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ole Host , Ofer Lahav , Filipe B. Abdalla , Klaus Eitel

Distortions of CMB temperature and polarization anisotropy maps caused by gravitational lensing, observable with high angular resolution and sensitivity, can be used to constrain the sterile neutrino mass, offering several advantages…

Astrophysics · Physics 2009-06-23 L. A. Popa , A. Vasile

The effects of mass-varying neutrinos on cosmic microwave background (CMB) anisotropies and large scale structures (LSS) are studied. In these models, dark energy and neutrinos are coupled such that the neutrino masses are functions of the…

Astrophysics · Physics 2014-10-13 A. W. Brookfield , C. van de Bruck , D. F. Mota , D. Tocchini-Valentini

A lower bound on the light neutrino mass $m_\nu$ is derived in the framework of a geometrical interpretation of quantum mechanics. Using this model and the time of flight delay data for neutrinos coming from SN1987A, we find that the…

General Relativity and Quantum Cosmology · Physics 2009-11-11 G. Lambiase , G. Papini , R. Punzi , G. Scarpetta

We estimate constraints on the existence of a heavy, mostly sterile neutrino with mass between 10 eV and 1 TeV. We improve upon previous analyses by performing a global combination and expanding the experimental inputs to simultaneously…

High Energy Physics - Phenomenology · Physics 2016-02-17 André de Gouvêa , Andrew Kobach

The measurement of cosmic shear using weak gravitational lensing is a challenging task that involves a number of complicated procedures. We study in detail the systematic errors in the measurement of weak lensing Minkowski Functionals…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Masato Shirasaki , Naoki Yoshida

Indirect limits on the mass of the lightest neutralino are derived from the results of searches for charginos, neutralinos, and sleptons performed with data taken by the ALEPH Collaboration at centre-of-mass energies near the Z peak and at…

High Energy Physics - Experiment · Physics 2012-08-27 The ALEPH Collaboration

In this paper, we have constrained the neutrino mass and mass hierarchy in the $\Lambda$CDM cosmology with the neutrino mass hierarchy parameter $\Delta$, which represents different mass orderings, by using the {\it Planck} 2015 + BAO + SN…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-23 Wenxue Zhang , En-Kun li , Minghui Du , Yuhao Mu , Shouli Ning , Baorong Chang , Lixin Xu
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