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Related papers: Neutrinos self interactions in Supernovae

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Collective neutrino oscillations play a crucial role in transporting lepton flavor in astrophysical settings like supernovae and neutron star binary merger remnants, which are characterized by large neutrino densities. In these settings,…

High Energy Astrophysical Phenomena · Physics 2022-09-07 Alessandro Roggero , Ermal Rrapaj , Zewei Xiong

The phenomenology of solar, atmospheric, supernova and laboratory neutrino oscillations is described. Analytical formulae for matter effects are reviewed. The results from oscillations are confronted with neutrinoless double beta decay.

High Energy Physics - Phenomenology · Physics 2009-10-31 G. Rajasekaran

Neutron-rich matter at subnuclear densities may involve complex structures displaying a variety of shapes, such as spherical, slablike, and/or rodlike shapes. These phases of the {\it nuclear pasta} are expected to exist in the crust of…

Astrophysics · Physics 2009-11-10 C. J. Horowitz , M. A. Perez-Garcia , J. Piekarewicz

The effects of three-flavor neutrino oscillation on the supernova neutrino spectrum are studied. We calculate the expected event rate and energy spectra, and their time evolution at the Superkamiokande (SK) and the Sudbury Neutrino…

High Energy Physics - Phenomenology · Physics 2010-05-28 K. Takahashi , M. Watanabe , K. Sato , T. Totani

We implement a multi-group and discrete-ordinate neutrino transport model in spherical symmetry which allows to simulate collective neutrino oscillations by including realistic collisional rates in a self-consistent way. We utilize this…

High Energy Astrophysical Phenomena · Physics 2023-04-13 Zewei Xiong , Meng-Ru Wu , Gabriel Martínez-Pinedo , Tobias Fischer , Manu George , Chun-Yu Lin , Lucas Johns

We point out possible features of neutrino spectra from a future galactic core collapse supernova that will enhance our understanding of neutrino mixing as well as supernova astrophysics. We describe the neutrino flavor conversions inside…

High Energy Physics - Phenomenology · Physics 2009-09-03 Amol Dighe

Neutrinos play a crucial role in the collapse and explosion of massive stars, governing the infall dynamics of the stellar core, triggering and fueling the explosion and driving the cooling and deleptonization of the newly formed neutron…

The neutrino burst from a core-collapse supernova can provide information about the star explosion mechanism and the mechanisms of proto neutron star cooling but also about the intrinsic properties of the neutrino such as flavor…

Instrumentation and Detectors · Physics 2016-05-10 Inés Gil-Botella

The dense neutrino flux streaming from a core-collapse supernova can undergo self-induced flavor conversion caused by neutrino-neutrino refraction. Numerical studies of these nonlinear effects are challenging because representing the…

High Energy Physics - Phenomenology · Physics 2012-12-14 Srdjan Sarikas , David de Sousa Seixas , Georg Raffelt

We propose a theory for neutrino oscillations, in which the flavour neutrinos are treated as waves of massless particles propagating in a "refractive quantum vacuum" and obeying a relativistically covariant equation of motion. The…

High Energy Physics - Phenomenology · Physics 2025-04-23 Markku Oksanen , Nico Stirling , Anca Tureanu

The generalized dynamics describing the propagation of neutrinos in randomly fluctuating media is analyzed: it takes into account matter-induced, decoherence phenomena that go beyond the standard MSW effect. A widely adopted density…

High Energy Physics - Phenomenology · Physics 2009-11-10 F. Benatti , R. Floreanini

As the increasing of neutrino energy or matter density, the neutrino oscillation in matter may undergo "vacuum-dominated", "resonance" and "matter-dominated" three different stages successively. Neutrinos endure very different matter…

High Energy Physics - Phenomenology · Physics 2020-02-26 Shu Luo

Quantum coherence can significantly increase the strength of the forward scattering of neutrinos propagating through the Earth and interacting with matter. The index of refraction of the neutrinos propagating in a medium and hence their…

High Energy Physics - Phenomenology · Physics 2015-05-30 Ram Brustein , Dmitri Semikoz

In core-collapse supernovae, the nu_e and anti-nu_e species may experience collective flavor swaps to non-electron species nu_x, within energy intervals limited by relatively sharp boundaries ("splits"). These phenomena appear to depend…

High Energy Physics - Phenomenology · Physics 2009-12-10 Gianluigi Fogli , Eligio Lisi , Antonio Marrone , Irene Tamborra

The new effect of partial and full destruction of the neutrino oscillation pattern due to the neutrino wave packets separation in the transverse plane to the direction of the neutrino propagation is investigated. It is shown that this…

High Energy Physics - Phenomenology · Physics 2012-03-09 Dmitry Zhuridov

Quantum dynamical semigroups provide a general framework for studying the evolution of open systems. Neutrino propagation both in vacuum and in matter can be analyzed using these techniques: they allow a consistent treatment of…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Benatti , R. Floreanini

We calculate the differential scattering rate for thermal neutrinos in a hot and dilute gas of interacting neutrons using linear response theory. The dynamical structure factors for density and spin fluctuations of the strongly interacting…

Nuclear Theory · Physics 2018-08-08 Paulo F. Bedaque , Sanjay Reddy , Srimoyee Sen , Neill C. Warrington

We all know that in the dense anisotropic interior of the star, neutrino-neutrino forward-scattering can lead to fast collective neutrino oscillations, which has striking consequences on flavor dependent neutrino emission and can be crucial…

High Energy Physics - Phenomenology · Physics 2021-01-06 Soumya Bhattacharyya

Neutrinos in core-collapse supernovae and neutron-star mergers are susceptible to flavor instabilities of three kinds: slow, fast, and collisional. Prior work has established mappings of the first two onto abstract mechanical systems in…

High Energy Physics - Phenomenology · Physics 2023-12-19 Lucas Johns , Santiago Rodriguez

While an understanding of supernova explosions will require sophisticated large-scale simulations, it is nevertheless possible to outline the most basic features of the neutrino emission resulting from stellar core collapse with a…

Astrophysics · Physics 2007-05-23 Christian Y. Cardall
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