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Related papers: Turbulence effects on supernova neutrinos

200 papers

We present numerical relativity simulations of binary neutron star mergers incorporating neutrino flavor transformations triggered by fast flavor instability, quantum many-body effects, or potential beyond standard model physics. In both…

High Energy Astrophysical Phenomena · Physics 2026-01-14 Yi Qiu , David Radice , Sherwood Richers , Federico Maria Guercilena , Albino Perego , Maitraya Bhattacharyya

In the collapsar scenario of the long duration Gamma-Ray Bursts (GRBs), multi-TeV neutrino emission is predicted as the jet makes its way through the stellar envelope. Such a neutrino signal is also expected for more general ``failed'' GRBs…

High Energy Physics - Phenomenology · Physics 2014-11-21 Sarira Sahu , Bing Zhang

We investigate the collision-induced flavor instability in homogeneous, isotropic, dense neutrino gases in the two-flavor mixing scenario with energy-dependent scattering. We uncover a simple expression of the growth rate of this…

High Energy Physics - Phenomenology · Physics 2023-04-27 Yu-Chia Lin , Huaiyu Duan

The wind driven by the intense neutrino emission from a protoneutron star (PNS) is an important site for producing nuclei heavier than the Fe group. Because of certain features in the neutrino angular distributions, the so-called fast…

High Energy Astrophysical Phenomena · Physics 2020-12-21 Zewei Xiong , Andre Sieverding , Manibrata Sen , Yong-Zhong Qian

A nascent neutron star resulting from stellar collapse is a prodigious source of neutrinos of all flavors. While the most basic features of this neutrino emission can be estimated from simple considerations, the detailed simulation of the…

Astrophysics · Physics 2008-11-26 Christian Y. Cardall

Core collapse supernovae are unique laboratories to study many aspects of neutrino physics. The vicinity of the proto-neutron star in a core-collapse supernova is characterized by large matter and neutrino densities. A salient feature of…

Solar and Stellar Astrophysics · Physics 2015-06-11 A. B. Balantekin

We present the first numerical relativity simulations including neutrino flavor transformations that could result from flavor instabilities, quantum many-body effects, or potential beyond standard model physics in neutron star mergers. We…

High Energy Astrophysical Phenomena · Physics 2025-09-08 Yi Qiu , David Radice , Sherwood Richers , Maitraya Bhattacharyya

In this talk, we consider the interplay of fundamental and matter-induced T-violating effects in neutrino oscillations in matter. We present a simple approximative analytical formula for the T-violating probability asymmetry for three…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tommy Ohlsson

Nuclear shell burning in the final stages of the lives of massive stars is accompanied by strong turbulent convection. The resulting fluctuations aid supernova explosion by amplifying the non-radial flow in the post-shock region. In this…

Solar and Stellar Astrophysics · Physics 2016-08-03 Ernazar Abdikamalov , Azamat Zhaksylykov , David Radice , Shapagat Berdibek

Turbulence is ubiquitous in astrophysical fluids such as the interstellar medium (ISM) and the intracluster medium (ICM). In turbulence studies, it is customary to assume that fluid is driven on a single scale. However, in astrophysical…

Astrophysics of Galaxies · Physics 2015-06-18 Hyunju Yoo , Jungyeon Cho

One examines the interaction and possible resonances between supernova neutrinos and electron plasma waves. The neutrino phase space distribution and its boundary regions are analyzed in detail. It is shown that the boundary regions are too…

High Energy Physics - Phenomenology · Physics 2009-11-07 Luis Bento

The LVD detector, located in the INFN Gran Sasso National Laboratory (Italy), studies supernova neutrinos through the interactions with protons and carbon nuclei in the liquid scintillator and interactions with the iron nuclei of the…

Supersonic turbulence is vital to astrophysical and high-speed engineering flows, yet its energy transfer mechanisms remain poorly understood. We present high-resolution ($1024^3$) direct numerical simulations (DNS) of forced compressible…

Fluid Dynamics · Physics 2026-04-30 Harshit Tiwari , Dhananjay Singh , Mahendra K. Verma , Rajesh Ranjan

Neutrinos propagating in dense neutrino media such as those in core-collapse supernovae can experience fast flavor conversions on scales much shorter than those expected in vacuum. It is believed that a necessary condition for the…

High Energy Astrophysical Phenomena · Physics 2020-05-22 Sajad Abbar

We present the first calculations with three flavors of collective and shock wave effects for neutrino propagation in core-collapse supernovae using hydroynamical density profiles and the S matrix formalism. We explore the interplay between…

High Energy Physics - Phenomenology · Physics 2010-04-15 J. Gava , J. Kneller , C. Volpe , G. C. McLaughlin

The solar wind is a magnetized and turbulent plasma. Its turbulence is often dominated by Alfv\'enic fluctuations and often deemed as nearly incompressible far away from the Sun, as shown by in-situ measurements near 1AU. However, for solar…

Solar and Stellar Astrophysics · Physics 2022-09-14 Xiangrong Fu , Hui Li , Zhaoming Gan , Senbei Du , John Steinberg

We describe results from particle-in-cell simulations of driven turbulence in collisionless, magnetized, relativistic pair plasma. This physical regime provides a simple setting for investigating the basic properties of kinetic turbulence…

High Energy Astrophysical Phenomena · Physics 2018-05-23 Vladimir Zhdankin , Dmitri A. Uzdensky , Gregory R. Werner , Mitchell C. Begelman

We demonstrate the non-negligible effect of transition magnetic moments on three-flavor collective oscillations of Majorana neutrinos in the core of type-II supernovae, within the single-angle approximation. We argue that data from a…

High Energy Astrophysical Phenomena · Physics 2015-06-12 Andre de Gouvea , Shashank Shalgar

We study the propagation coherence for neutrino oscillations in media with different density profiles. For each profile, we find the dependence of the coherence length, $L_{coh}$, on neutrino energy and address the issue of correspondence…

High Energy Physics - Phenomenology · Physics 2021-06-23 Yago P. Porto-Silva , Alexei Yu. Smirnov

For neutrinos streaming from a supernova (SN) core, dense matter suppresses self-induced flavor transformations if the electron density n_e significantly exceeds the neutrino density n_nu in the conversion region. If n_e is comparable to…

Astrophysics · Physics 2008-11-26 A. Esteban-Pretel , A. Mirizzi , S. Pastor , R. Tomas , G. G. Raffelt , P. D. Serpico , G. Sigl