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Related papers: Neutrino footprint in Large Scale Structure

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A high-statistics measurement of the neutrinos from a galactic core-collapse supernova is extremely important for understanding the explosion mechanism, and studying the intrinsic properties of neutrinos themselves. In this paper, we…

High Energy Physics - Phenomenology · Physics 2015-05-28 Jia-Shu Lu , Jun Cao , Yu-Feng Li , Shun Zhou

Massive neutrinos suppress the growth of structure under their free-streaming scales. The effect is most prominent on small scales where the widely-used two-point statistics can no longer capture the full information. In this work, we study…

Cosmology and Nongalactic Astrophysics · Physics 2022-08-03 Wei Liu , Aoxiang Jiang , Wenjuan Fang

In an attempt to uncover any underlying structure in the neutrino mass matrix, we discuss the possibility that the ratios of elements of its Majorana mass matrix are equal. We call this "strong scaling Ansatz" for neutrino masses and study…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. N. Mohapatra , W. Rodejohann

A measurement of the big bang relic neutrinos would open a new window to the early universe. We review various possibilities to detect this cosmic neutrino background and substantiate the assertion that -- apart from the rather indirect…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. Ringwald

In this lecture we review some of the basic properties of neutrinos, in particular their mass and the oscillation behavior. First we discuss how to describe the neutrino mass. Then, under the assumption that neutrinos are massive and mixed,…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. W. Kim

A brief sketch is made of the present observational status of neutrino properties, with emphasis on the hints from solar and atmospheric neutrinos, as well as cosmological data on the amplitude of primordial density fluctuations.…

High Energy Physics - Phenomenology · Physics 2009-09-17 J. W. F. Valle

We have carefully analysed the potential of future Cosmic Microwave Background (CMB) and Large Scale Structure (LSS) measurements to probe neutrino masses. We perform a Fisher matrix analysis on a 9-dimensional cosmological parameter space…

Astrophysics · Physics 2009-11-07 Steen Hannestad

Neutrino oscillations have become well-known phenomenon; the measurements of neutrino mixing angles and mass squared differences are continuously improving. Future oscillation experiments will eventually determine the remaining unknown…

High Energy Physics - Phenomenology · Physics 2015-09-30 O. G. Miranda , H. Nunokawa

For a long time very little experimental information was available about neutrino properties, even though a minute neutrino mass has intriguing cosmological and astrophysical implications. This situation has changed in recent decades:…

Nuclear Theory · Physics 2017-03-29 A. B. Balantekin

Cosmological neutrinos strongly affect the evolution of the largest structures in the Universe, i.e. galaxies and galaxy clusters. We use large box-size full hydrodynamic simulations to investigate the non-linear effects that massive…

Cosmology and Nongalactic Astrophysics · Physics 2011-11-16 Federico Marulli , Carmelita Carbone , Matteo Viel , Lauro Moscardini , Andrea Cimatti

Solar, atmospheric, and reactor neutrino experiments have confirmed neutrino oscillations, implying that neutrinos have non-zero mass, but without pinning down their absolute masses. While it is established that the effect of neutrinos on…

Astrophysics · Physics 2010-12-09 Oystein Elgaroy , Ofer Lahav

Using $N$-body simulations with massive neutrino density perturbations, we detect the scale-dependent linear halo bias with high significance. This is the first time that this effect is detected in simulations containing neutrino density…

Cosmology and Nongalactic Astrophysics · Physics 2019-02-06 Chi-Ting Chiang , Marilena LoVerde , Francisco Villaescusa-Navarro

The connection between cosmological observations and neutrino physics is discussed in detail. Neutrinos decouple from thermal contact in the early Universe at a temperature of order 1 MeV which coincides with the temperature where light…

High Energy Physics - Phenomenology · Physics 2008-11-26 Steen Hannestad

The energies of neutrinos in a neutrinosphere, the dense matter created after the gravitational collapse of a massive star, are estimated. Cubic equations for energy eigenvalues of neutrinos are used, with the effective masses found by…

High Energy Physics - Phenomenology · Physics 2013-10-08 Leonard S. Kisslinger

Two most outstanding questions are puzzling the world of neutrino Physics: the possible Majorana nature of neutrinos and their absolute mass scale. Direct neutrino mass measurements and neutrinoless double beta decay (0nuDBD) are the…

High Energy Physics - Experiment · Physics 2010-02-09 Oliviero Cremonesi

Cosmological implications of neutrinos are reviewed. The subjects considered involve: (a) bounds on neutrino mass from the observational limits on the universe age and the Hubble constant both in cosmology with and without cosmological…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. D. Dolgov

Measuring the total neutrino mass is one of the most exciting opportunities available with next-generation cosmological data sets. We study the possibility of detecting the total neutrino mass using large-scale clustering in 21cm intensity…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-19 Mario Ballardini , Roy Maartens

The information content of the minimum spanning tree (MST), used to capture higher-order statistics and information from the cosmic web, is compared to that of the power spectrum for a $\nu\Lambda$CDM model. The measurements are made in…

Cosmology and Nongalactic Astrophysics · Physics 2022-05-10 Krishna Naidoo , Elena Massara , Ofer Lahav

Given recent indications of additional neutrino species and cosmologically significant neutrino masses, we analyze their signatures in the weak lensing shear power spectrum. We find that a shear deficit in the 20-40% range or excess in the…

Cosmology and Nongalactic Astrophysics · Physics 2013-03-14 R. Ali Vanderveld , Wayne Hu

We present the strongest current cosmological upper limit on the sum of neutrino masses of < 0.18 (95% confidence). It is obtained by adding observations of the large-scale matter power spectrum from the WiggleZ Dark Energy Survey to…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Signe Riemer-Sørensen , David Parkinson , Tamara M. Davis