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The Cosmic Neutrino Background is a prediction of the standard cosmological model, but it has been never observed directly. In the experiments with the aim of detecting relic CNB neutrinos, currently under development, the expected event…

Cosmology and Nongalactic Astrophysics · Physics 2017-10-19 Stefano Gariazzo

To quantitatively assess the impact of an eV-mass sterile neutrino on the neutrinoless double-beta ($0\nu \beta \beta$) decays, we calculate the posterior probability distribution of the relevant effective neutrino mass $|m^\prime_{ee}|$ in…

High Energy Physics - Phenomenology · Physics 2019-09-04 Guo-yuan Huang , Shun Zhou

Cosmology is making impressive progress and it is producing stringent bounds on the sum of the neutrino masses {\Sigma}, a parameter of great importance for the current laboratory experiments. In this letter, we exploit the potential…

High Energy Physics - Phenomenology · Physics 2015-12-15 Stefano Dell'Oro , Simone Marcocci , Matteo Viel , Francesco Vissani

The standard model of cosmology predicts the existence of cosmic neutrino background in the present Universe. To detect cosmic relic neutrinos in the vicinity of the Earth, it is necessary to evaluate the gravitational clustering effects on…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-10 Jue Zhang , Xin Zhang

A brief sketch is given of the present observational status and future prospects of the physics of neutrino mass, including a survey of the various theoretical schemes of neutrino mass generation. Emphasis is given to those which are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jose W. F. Valle

After a short introduction on the predicted cosmic neutrino background in the universe, we review some of the cosmological bounds related to neutrinos. In particular we show how the recent data on the anisotropies of the cosmic microwave…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sergio Pastor

In this talk I discuss how neutrinos might help solving or alleviating different anomalies and tensions in cosmology. Invisible decays of the heaviest relic neutrinos might provide a way to solve the neutrino mass tension between…

High Energy Physics - Phenomenology · Physics 2026-05-05 Pasquale Di Bari

We perform a model independent study of the neutrino momentum distribution at freeze-out, treating the freeze-out temperature as a free parameter. Our results imply that measurement of neutrino reheating, as characterized by the measurement…

Cosmology and Nongalactic Astrophysics · Physics 2014-04-09 Jeremiah Birrell , Cheng-Tao Yang , Pisin Chen , Johann Rafelski

Neutrons study a number of hot topics from the field of particle physics and cosmology: Recent measurements of various mixed American-British-French-German-Hungarian-Japan-Russian groups of researchers determine the strength of the weak…

High Energy Physics - Experiment · Physics 2007-05-23 Hartmut Abele

Adopting the 3 neutrino framework, we present an updated determination of the oscillation parameters. We perform a global analysis and develope simple arguments that give essentially the same result. We also discuss determinations of solar…

High Energy Physics - Phenomenology · Physics 2009-10-09 Alessandro Strumia , Francesco Vissani

Neutrino mass explanations of the solar and atmospheric neutrino deficits and a hot dark matter component require one of three patterns of those masses, as already pointed out by us. Recently there have been indications of a non-vanishing…

High Energy Physics - Phenomenology · Physics 2009-10-28 David O. Caldwell , Rabindra N. Mohapatra

We investigate the sensitivity of tritium $\beta$-decay experiments for keV-scale sterile neutrinos. Relic sterile neutrinos in the keV mass range can contribute both to the cold and warm dark matter content of the universe. This work shows…

Instrumentation and Detectors · Physics 2015-06-22 S. Mertens , T. Lasserre , S. Groh , F. Glueck , A. Huber , A. W. P. Poon , M. Steidl , N. Steinbrink , C. Weinheimer

Neutrinoless double beta decay is one of the most powerful tools to set the neutrino mass absolute scale and establish whether the neutrino is a Majorana particle. After a summary of the neutrinoless double beta decay phenomenology, the…

Nuclear Experiment · Physics 2008-11-26 A. Nucciotti

Comprehensive description of the phenomenology of the $\beta\beta$ decay is given, with emphasis on the nuclear physics aspects. After a brief review of the neutrino oscillation results and of motivation to test the lepton number…

High Energy Physics - Phenomenology · Physics 2008-07-17 Petr Vogel

Study of the neutrinoless double beta decay and searches for the manifestation of the neutrino mass in ordinary beta decay are the main sources of information about the absolute neutrino mass scale, and the only practical source of…

A new generation of neutrinoless double beta decay experiments with improved sensitivity is currently under design and construction. They will probe inverted hierarchy region of the neutrino mass pattern. There is also a revived interest to…

Nuclear Theory · Physics 2015-06-05 Amand Faessler , Vadim Rodin , Fedor Simkovic

The recent neutrino oscillation experimental results indicate that at least one neutrino has a mass greater than 50 meV. The next generation of double-beta decay experiments will very likely have a sensitivity to an effective Majorana…

Nuclear Experiment · Physics 2011-07-19 Steven R. Elliott

Even though neutrinos and antineutrinos are everywhere in the Universe, their critical importance might be overlooked, especially because that at least one species of neutrinos has the mass 0.058 eV, far larger than the cosmic…

High Energy Physics - Phenomenology · Physics 2016-01-14 W-Y. Pauchy Hwang

We consider the nucleon self-energy in nuclear matter in the absence of Pauli blocking. It is evaluated using the partial-wave analysis of $NN$ scattering data. Our results are compared with that of a realistic calculation to estimate the…

Nuclear Theory · Physics 2009-11-10 S. Mallik , Andreas Nyffeler , M. C. M. Rentmeester , Sourav Sarkar

With the latest astronomical data including Cosmic Microwave Background (WMAP three year, CBI, ACBAR, VSA), Type Ia Supernova ("gold sample"), Galaxy Clustering (SDSS 3-D matter power, Lyman-$\alpha$ forest and Baryon Acoustic Oscillating…

Astrophysics · Physics 2010-10-27 Gong-Bo Zhao , Jun-Qing Xia , Xinmin Zhang