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Related papers: Neutrino Oscillation in Dense Matter

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We show simple methods how to separate pure CP violating effect from matter effect in long baseline neutrino oscillation experiments with three generations of neutrinos. We give compact formulae for neutrino oscillation probabilities…

High Energy Physics - Phenomenology · Physics 2014-11-17 Jiro Arafune , Masafumi Koike , Joe Sato

Neutrino oscillations in the early Universe prior to the epoch of primordial nucleosynthesis is studied by implementing real time non-equilibrium field theory methods. We focus on two flavors of Dirac neutrinos, however, the formulation is…

High Energy Physics - Phenomenology · Physics 2009-11-11 C. M. Ho , D. Boyanovsky , H. J. de Vega

We discuss recent developments in neutrino physics and focus, in particular, on neutrino oscillations and matter effects of three light active neutrinos. Moreover, we discuss the difference between Dirac and Majorana neutrinos, neutrinoless…

High Energy Physics - Phenomenology · Physics 2017-08-23 W. Grimus

In this paper, we study the phenomenology of a Dirac dark matter in the $L_\mu-L_\tau$ model and investigate the neutrino oscillation in the dark halo. Since dark matter couples to the muon neutrino and the tau neutrino with opposite sign…

High Energy Physics - Phenomenology · Physics 2020-10-01 Wei Chao , Yanyan Hu , Siyu Jiang , Mingjie Jin

We give a perturbation theory of neutrino oscillation in the Earth. The perturbation theory is valid for neutrinos with energy $E \gsim 0.5$ GeV. It is formulated using trajectory dependent average potential. Non-adiabatic contributions are…

High Energy Physics - Phenomenology · Physics 2008-11-26 Wei Liao

In a previous paper, we gave a new theoretical framework in which three neutrino mixing in matter are discussed. Rigorous analytical solutions are obtained. In present paper an approximate method is developed for studying three flavor…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Cheng

If dark energy (DE) couples to neutrinos, then there may be apparent violations of Lorentz/CPT invariance in neutrino oscillations. The DE-induced Lorentz/CPT violation takes a specific form that introduces neutrino oscillations that are…

High Energy Physics - Phenomenology · Physics 2010-04-29 Shin'ichiro Ando , Marc Kamionkowski , Irina Mocioiu

Neutrino interactions with matter play an important role in determining the nucleosynthesis outcome in explosive astrophysical environments such as core-collapse supernovae or mergers of compact objects. In this article, we first discuss…

High Energy Astrophysical Phenomena · Physics 2016-03-16 Meng-Ru Wu , Gabriel Martinez-Pinedo , Yong-Zhong Qian

Neutrino masses and mixings produce vacuum oscillations, an established quantum mechanical phenomenon. In matter, the Mikheev-Smirnov-Wolfenstein effect, due to neutrino interactions with the background particles, triggers resonant flavor…

High Energy Physics - Phenomenology · Physics 2024-10-11 M. Cristina Volpe

The compelling experimental evidences for oscillations of solar and atmospheric neutrinos imply the existence of 3-neutrino mixing in vacuum. We briefly review the phenomenology of 3-neutrino mixing, and the current data on the 3-neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. T. Petcov

Three-neutrino mixing in matter is studied through a set of evolution equations which are based on a rephasing invariant parametrization. Making use of the known properties of measured neutrino parameters, analytic, approximate, solutions…

High Energy Physics - Phenomenology · Physics 2015-03-13 S. H. Chiu , T. K. Kuo , Lu-Xin Liu

An ultralight dark matter may have interesting implications in neutrino physics which have been studied actively in recent years. It is pointed out that there appears yet unexplored medium effect in neutrino transitions which occurs at the…

High Energy Physics - Phenomenology · Physics 2023-01-25 Eung Jin Chun

The effect of matter enhanced neutrino oscillations on atmosheric neutrinos is investigated systematically in the framework of one mass dominant model of three neutrinos. The resonance conditions of neutrino crossing the earth are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Shoichi Midorikawa

Neutrino oscillation is visualized as coupled vibrations. Unlike existing models describing neutrino oscillations, our model involving a single fundamental mass parameter $m$ and first discussed in the context of a possible boson…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Jyotisekhar Bhattacharyya , Satyabrata Biswas

A generalized phenomenological (3 + 2 + 1)-model with three active and three sterile neutrinos is considered for the calculation of the neutrino oscillation characteristics at normal mass hierarchy of active neutrinos and significant…

High Energy Physics - Phenomenology · Physics 2016-12-28 V. V. Khruschov , S. V. Fomichev , O. A. Titov

Matter effects in neutrino propagation translate into effective parameters for the oscillation and fake CP- and CPT-odd quantities, even in a scenario, such as $\Delta_{12}=0$, where no genuine CP violation is present. This fact seems to…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. C. Banuls , G. Barenboim , J. Bernabeu

We study the evolution of the neutrinos system in rotating matter. Neutrinos are supposed to be mixed massive particles interacting with background fermions by means of the electroweak forces. First we find the solutions of wave equations…

High Energy Physics - Phenomenology · Physics 2012-06-04 Maxim Dvornikov

The compelling experimental evidences for oscillations of solar, atmospheric and reactor neutrinos imply the existence of 3-neutrino mixing in vacuum. We review the phenomenology of 3-neutrino mixing, and the current data on the 3-neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. T. Petcov

Neutrino oscillations in matter can exhibit a specific resonance enhancement -- parametric resonance, which is different from the MSW resonance. Oscillations of atmospheric and solar neutrinos inside the earth can undergo parametric…

High Energy Physics - Phenomenology · Physics 2009-06-19 E. Kh. Akhmedov

A number of derivations of the standard neutrino oscillation formula are known, each one providing its own unique insights. Common to all treatments is the assumption that neutrinos propagate freely between source and detector, as indeed…

High Energy Physics - Phenomenology · Physics 2019-10-08 Lucas Johns
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