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Related papers: Neutrino Oscillation Effects on Supernova Light El…

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The remnant resulting from the merger of two neutron stars produces neutrinos in copious amounts. In this paper we present the neutrino emission results obtained via Newtonian, high-resolution simulations of the coalescence event. These…

Astrophysics · Physics 2011-07-18 S. Rosswog , M. Liebendoerfer

The current picture of the collapse and explosion of massive stars and the formation of neutron stars is reviewed. According to the favored scenario, however by no means proven and undisputed, neutrinos deposit the energy of the explosion…

Astrophysics · Physics 2010-11-19 H. -Th. Janka , K. Kifonidis , M. Rampp

Core-collapse supernova explosions are driven by a central engine that converts a small fraction of the gravitational binding energy released during core collapse to outgoing kinetic energy. The suspected mode for this energy conversion is…

High Energy Astrophysical Phenomena · Physics 2017-12-25 Evan O'Connor , C. J. Horowitz , Zidu Lin , Sean Couch

We calculate neutrino cross sections from neutral current reactions in the dense matter encountered in the evolution of a newly born neutron star. Effects of composition and of strong interactions in the deleptonization and cooling phases…

Astrophysics · Physics 2008-11-26 Sanjay Reddy , Madappa Prakash

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…

We present a new set of stellar yields obtained from rotating stellar models at solar metallicity covering the massive star range (9-120 solar masses). The stellar models were calculated with the latest version of the Geneva stellar…

Astrophysics · Physics 2007-05-23 R. Hirschi , G. Meynet , A. Maeder

The nucleosynthesis yields from neutrino-induced spallation of 4He are calculated in case of penetration of some 4He into the carbon-oxygen-neon shell. The neutrino contribution to creation of the weak r-process component becomes noticeable…

Solar and Stellar Astrophysics · Physics 2015-06-17 D. K. Nadyozhin , I. V. Panov

Neutrino oscillations change when in media in comparison to vacuum oscillations due to the scattering of neutrinos on matter constituents, electrons particularly. This can be easily described by introducing new effective matter mixing…

High Energy Physics - Phenomenology · Physics 2018-10-02 Tomas Nosek

In the early universe, neutrinos are slightly coupled when electron-positron pairs annihilate transferring their entropy to photons. This process originates non-thermal distortions on the neutrino spectra which depend on neutrino flavour,…

High Energy Physics - Phenomenology · Physics 2009-11-11 Gianpiero Mangano , Gennaro Miele , Sergio Pastor , Teguayco Pinto , Ofelia Pisanti , Pasquale D. Serpico

We here focus on the behavior of supernovae that technically explode in 1D (spherical symmetry). When simulated in 3D, however, the outcomes of representative progenitors of this class are quite different in almost all relevant quantities.…

High Energy Astrophysical Phenomena · Physics 2024-05-24 Tianshu Wang , Adam Burrows

Based on a 3D supernova simulation of an $11.8\,M_\odot$ progenitor model with initial solar composition, we study the nucleosynthesis using tracers covering the innermost $0.1\,M_\odot$ of the ejecta. These ejecta are mostly proton-rich…

High Energy Astrophysical Phenomena · Physics 2020-12-21 Andre Sieverding , Bernhard Mueller , Yong-Zhong Qian

Neutrino-matter cross sections and interaction rates are central to the core-collapse supernova phenomenon and, very likely, to the viability of the explosion mechanism itself. In this paper, we describe the major neutrino scattering,…

Astrophysics · Physics 2009-11-10 Adam Burrows , Sanjay Reddy , Todd A. Thompson

Phenomena of neutrino oscillations are discussed on the basis of two-loop radiative neutrino mechanism. Neutrino mixings are experimentally suggested to be maximal in both atmospheric and solar neutrino oscillations. By using $L_e - L_\mu -…

High Energy Physics - Phenomenology · Physics 2007-05-23 Teruyuki Kitabayashi , Masaki Yasue

The distortions in the thermal energy spectra for neutrinos produced in a supernova when a resonant oscillation, MSW effect, occurs are determined. In order to show this effect for some relevant and representative examples of unified gauge…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Buccella , S. Esposito , C. Gualdi , G. Miele

In this review, the effect of flavor oscillations on the neutrinos released during supernova explosion after core collapse is described. In some scenarios there are large enhancement of the number of events compared to the no oscillation…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sandhya Choubey , Kamales Kar

Oscillations of neutrino emerging from a supernova core are studied. In this extremely high density region neutrino self interactions induce collective flavor transitions. When collective transitions are decoupled from matter oscillations,…

High Energy Physics - Phenomenology · Physics 2008-05-19 Gianluigi Fogli , Eligio Lisi , Antonio Marrone , Alessandro Mirizzi

Depending on their type, supernova remnants may have ejecta material with high abundance of heavy elements such as carbon or oxygen. In addition, core-collapse supernovae explode in the wind material of their progenitor star that may also…

High Energy Astrophysical Phenomena · Physics 2020-07-22 Maulik Bhatt , Iurii Sushch , Martin Pohl , Anatoli Fedynitch , Samata Das , Robert Brose , Pavlo Plotko , Dominique M. -A. Meyer

Multi-dimensional core-collapse supernova simulations exhibit turbulence of large amplitude and over large scales. As neutrinos pass through the supernova mantle the turbulence is expected to modify their evolution compared to the case…

High Energy Physics - Phenomenology · Physics 2010-12-24 James P. Kneller , Cristina Volpe

During the core bounce of a supernova collapse resonant active-to-active ($\nu_a \to \nu_a$), as well as active-to-sterile ($\nu_a \to \nu_s$) neutrino ($\nu$) oscillations can take place. Besides, over this phase weak magnetism increases…

Astrophysics · Physics 2011-05-24 Herman J. Mosquera Cuesta , Karen Fiuza

We summarize the impact of sterile neutrino dark matter on core-collapse supernova explosions. We explore various oscillations between electron neutrinos or mixed $\mu-\tau$ neutrinos and right-handed sterile neutrinos that may occur within…

High Energy Astrophysical Phenomena · Physics 2016-09-21 MacKenzie L. Warren , Grant J. Mathews , Matthew Meixner , Jun Hidaka , Toshitaka Kajino
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