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Related papers: SN1987A bounds on neutrino quantum decoherence

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The decay of massive neutrinos to final states containing only invisible particles is poorly constrained experimentally. In this letter we describe the constraints that can be put on neutrino mass and lifetime using CMBR measurements. We…

Astrophysics · Physics 2009-10-30 Steen Hannestad

We study decoherence effects in neutrino flavour oscillations in curved spacetime with particular emphasis on the lensing in a Schwarzschild geometry. Assuming Gaussian wave packets for neutrinos, we argue that the decoherence length…

High Energy Physics - Phenomenology · Physics 2021-11-12 Himanshu Swami , Kinjalk Lochan , Ketan M. Patel

The next-generation water Cherenkov Hyper-Kamiokande detector will be able to detect thousands of neutrino events from a galactic Supernova explosion via Inverse Beta Decay processes followed by neutron capture on Gadolinium. This superb…

High Energy Physics - Phenomenology · Physics 2023-10-10 Federica Pompa , Olga Mena

The splitting of neutrinos, a viable reaction for superluminal neutrinos, is shown to have phenomenologically relevant consequences if one accepts the recent OPERA results for the velocity of neutrinos. Neutrino splitting can be used to put…

High Energy Physics - Phenomenology · Physics 2011-10-04 J. M. Carmona , J. L. Cortes

We discuss some possible influence of neutrino oscillations on physics of supernova mainly focusing on the observations of $\bar{\nu}_e$, and present some analysis of SN1987A data in the light of three neutrino mixing scheme.

High Energy Physics - Phenomenology · Physics 2009-10-31 H. Nunokawa

A testing of quantum mechanics in nuetrino oscillation is presented. The quantum mechanics violation motivated by arguements of quantum gravity is investigated in neutrino system. The formula of density matrix and oscillation probability of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Feng-Cai Ma , Hai-Ming Hu

Neutrino and anti-neutrino states coming from the neutral current or $Z_0$ decay are blind with respect to the flavor. The neutrino oscillation is observed and formulated when its flavor is known. However, it has been shown that we can see…

High Energy Physics - Phenomenology · Physics 2015-05-27 M. M. Ettefaghi , Z. Askaripour Ravari

Quantum trajectories are used to study OPERA findings regarding superluminal neutrinos. As the applicable stationary quantum Klein-Gordon equation is real, real quantum reduced actions and subsequent real quantum trajectories follow. The…

General Physics · Physics 2016-11-25 Edward R. Floyd

Astrophysical neutrinos travel long distances from their sources to the Earth traversing dark matter halos of clusters of galaxies and that of our own Milky Way. The interaction of neutrinos with dark matter may affect the flux of…

Cosmology and Nongalactic Astrophysics · Physics 2019-05-08 Ki-Young Choi , Jongkuk Kim , Carsten Rott

Nuclear power reactors are the most intense man-made source of antineutrino's and have long been recognized as promising sources for coherent elastic neutrino-nucleus scattering (CE$\nu$NS) studies. Its observation and the spectral shape of…

Nuclear Theory · Physics 2024-06-25 Leendert Hayen

We assess the potential of neutrino telescopes to discover quantum-gravity-induced decoherence effects modeled in the open-quantum system framework and with arbitrary numbers of active and dark fermion generations, such as particle dark…

High Energy Physics - Phenomenology · Physics 2025-01-23 Alba Domi , Thomas Eberl , Dominik Hellmann , Sara Krieg , Heinrich Päs

The observation of the $\bar{\nu}_e$ energy spectrum from a supernova burst can provide constraints on neutrino oscillations. We derive formulas for adiabatic oscillations of supernova antineutrinos for a variety of 3- and 4-neutrino mixing…

High Energy Physics - Phenomenology · Physics 2009-11-07 Michel Sorel , Janet Conrad

The evolution of the reactor antineutrino spectrum toward equilibrium above the inverse beta-decay threshold during the reactor operating period and the decay of residual antineutrino radiation after reactor shutdown are considered. It is…

High Energy Physics - Phenomenology · Physics 2011-08-11 V. I. Kopeikin , L. A. Mikaelyan , V. V. Sinev

Heavy neutrino-antineutrino oscillations can naturally appear in mechanisms of low scale neutrino mass generation, where pairs of heavy neutrinos have almost degenerate masses. We discuss the case where the heavy neutrinos are sufficiently…

High Energy Physics - Phenomenology · Physics 2019-03-13 Stefan Antusch , Eros Cazzato , Oliver Fischer

Astrophysical environments that reach temperatures greater than $\sim$ 100 keV can have significant neutrino energy loss via both plasma processes and nuclear weak interactions. We find that nuclear processes likely produce the…

High Energy Astrophysical Phenomena · Physics 2016-12-07 G. Wendell Misch , George M. Fuller

We present an updated analysis of the coherent neutrino-nucleus elastic scattering data of the COHERENT experiment taking into account the new quenching factor published recently in Phys. Rev. D100, 033003 (2019). Through a fit of the…

High Energy Physics - Phenomenology · Physics 2020-02-26 M. Cadeddu , F. Dordei , C. Giunti , Y. F. Li , Y. Y. Zhang

We adopt the quantum field theoretical method to calculate the amplitude and event rate for a neutrino oscillation experiment, considering neutrino production, propagation and detection as a single process. This method allows to take into…

High Energy Physics - Phenomenology · Physics 2023-07-26 Raphael Krueger , Thomas Schwetz

We explore the feasibility of detecting heavy neutrinos by the existing facilities of neutrino experiments. A heavy neutrino in the mass range 1 MeV < M < 500 MeV is produced by pion or kaon decay, and decays to charged particles which…

High Energy Physics - Phenomenology · Physics 2015-06-12 Takehiko Asaka , Shintaro Eijima , Atsushi Watanabe

This review explores the interplay between quantum information theory and high-energy physics, emphasizing how decoherence effects and unconventional neutrino oscillation patterns may unveil fundamental properties such as the Dirac or…

High Energy Physics - Phenomenology · Physics 2025-10-28 Raoul Serao , Gianpaolo Torre , Antonio Capolupo

Position-dependent property of the neutrino produced in high-energy pion decay is studied theoretically using a wave packet formalism. It is found that the neutrino probability has a universal finite-distance correction if the pion has a…

High Energy Physics - Phenomenology · Physics 2015-03-18 K. Ishikawa , Y. Tobita
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