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Related papers: Phase Space Constraints on Neutrino Luminosities

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Cosmology is at present one of the most powerful probes of neutrino properties. The advent of precision data from the cosmic microwave background and large scale structure has allowed for a very strong bound on the neutrino mass. Here, I…

High Energy Physics - Phenomenology · Physics 2009-11-10 Steen Hannestad

Supernova cooling has long been used to constrain physics beyond the Standard Model, typically involving new mediators or dark matter (DM) particles that couple to nucleons or electrons. In this work, we show that the large density of…

High Energy Physics - Phenomenology · Physics 2025-03-14 Christopher V. Cappiello , P. S. Bhupal Dev , Amol V. Patwardhan

In the framework of the Thomas-Fermi model at finite temperature, we show that a cooling nondegenerate gas of massive neutrinos will undergo a phase transition in which quasi-degenerate supermassive neutrino stars are formed through…

High Energy Physics - Phenomenology · Physics 2009-10-31 Neven Bilic , David Tsiklauri , Raoul Viollier

We investigate the impact of neutrino statistical property on cosmology and the constraints imposed by cosmological data on neutrino statistics. Cosmological data from probes such as Cosmic Microwave Background(CMB) radiation and Baryon…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-03 YiCheng Dai , Wei Liao

Tensions between several cosmic observations were found recently, such as the inconsistent values of $H_{0}$ (or $\sigma_{8}$) were indicated by the different cosmic observations. Introducing the massive neutrinos in $\Lambda$CDM could…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-04 Jianbo Lu , Molin Liu , Yabo Wu , Yan Wang , Weiqiang Yang

Neutrinos from dense environments are unique laboratories for astrophysics, particle physics and many-body physics. They tell us about the last stages of the gravitational core-collapse and the explosion of massive stars. These elusive…

High Energy Astrophysical Phenomena · Physics 2025-03-04 M. Cristina Volpe

Mounting evidence suggests that the TeV-PeV neutrino flux detected by the IceCube telescope has mainly an extragalactic origin. If such neutrinos are primarily produced by a single class of astrophysical sources via hadronuclear ($pp$)…

High Energy Astrophysical Phenomena · Physics 2015-11-30 Shin'ichiro Ando , Irene Tamborra , Fabio Zandanel

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

After a brief introduction to neutrino electromagnetic properties we focus on the most important constraints on neutrino magnetic moments, charge radii and millicharges from the terrestrial experiments and astrophysical considerations. The…

High Energy Physics - Phenomenology · Physics 2020-09-04 Alexander Studenikin

Laboratory experiments measuring neutrino oscillations, indicate small mass differences between different mass eigenstates of neutrinos. The absolute mass scale is however not determined, with at present the strongest upper limits coming…

Cosmology and Nongalactic Astrophysics · Physics 2011-07-04 Charles Jose , Saumyadip Samui , Kandaswamy Subramanian , Raghunathan Srianand

It is possible that the strongest interactions between dark matter and the Standard Model occur via the neutrino sector. Unlike gamma rays and charged particles, neutrinos provide a unique avenue to probe for astrophysical sources of dark…

High Energy Physics - Phenomenology · Physics 2023-11-07 Carlos A. Argüelles , Diyaselis Delgado , Avi Friedlander , Ali Kheirandish , Ibrahim Safa , Aaron C. Vincent , Henry White

Recent observations of variability in the ``atmospheric neutrino'' rate place constraints on possible explanations of the atmospheric neutrino anomaly. Many proposed solutions to the problem are static and can not be adapted to the temporal…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. M. LoSecco

Recently, to explain the origin of neutrino masses a model based on confining some hidden fermionic bound states into right-handed chiral neutrinos has been proposed. One of the consequences of condensing the hidden sector fields in this…

High Energy Physics - Phenomenology · Physics 2015-05-28 R. S. Hundi , Sourov Roy

With the advent of next-generation surveys, constraints on cosmological parameters are anticipated to become more stringent, particularly for the total neutrino mass. This study forecasts such constraints utilizing galaxy clusters from the…

Cosmology and Nongalactic Astrophysics · Physics 2025-07-24 Mingjing Chen , Yufei Zhang , Wenjuan Fang , Zhonglue Wen , Weiguang Cui

High-energy cosmic neutrinos carry unique information about the most energetic non-thermal sources in the Universe. This white paper describes the outstanding astrophysics questions that neutrino astronomy can address in the coming decade.…

Exotic explanations are considered for atmospheric neutrino observations. Our analysis includes matter effects and the mixing of all three neutrinos under the simplifying assumption of only one relevant mixing scale. Constraints from…

High Energy Physics - Phenomenology · Physics 2014-11-17 James Pantaleone , T. K. Kuo , Sadek Mansour

Neutrinos, as the anisotropic stress tensor, have a damping effect on the tensor mode perturbation from inflation to the $ \Lambda$ dominated era. First, we study the squared amplitude reduction for the wavelength entering the horizon…

General Relativity and Quantum Cosmology · Physics 2021-08-27 Jafar Khodagholizadeh

We consider the effect of three species of neutrinos with nearly degenerate mass on the cosmic structure formation in a low matter-density universe within a hierarchical clustering scenario with a flat initial perturbation spectrum. The…

High Energy Physics - Phenomenology · Physics 2008-11-26 Masataka Fukugita , Guo-Chin Liu , Naoshi Sugiyama

In this paper we provide an updated analysis of the neutrino magnetic moments (NMMs), discussing both the constraints on the magnitudes of the three transition moments Lambda_i as well as the role of the CP violating phases present both in…

High Energy Physics - Phenomenology · Physics 2016-03-11 B. C. Canas , O. G. Miranda , A. Parada , M. Tortola , J. W. F. Valle

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
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