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Related papers: Bulk neutrinos and core collapse supernovae

200 papers

Core collapse supernovae are dominated by energy transport from neutrinos. Therefore, some supernova properties could depend on symetries and features of the standard model weak interactions. The cross section for neutrino capture is larger…

Astrophysics · Physics 2015-06-24 C. J. Horowitz , Gang Li

Neutrinos being massive could undergo non-radiative decay, a property for which the diffuse supernova neutrino background has a unique sensitivity. We extend previous analyses to explore our ability to disentangle predictions for the…

High Energy Physics - Phenomenology · Physics 2024-12-20 Noah Roux , M. Cristina Volpe

Core-collapse supernovae (SNe) are powerful neutrino sources and as such important targets for the growing array of neutrino observatories. We review the current status of SN theory and the expected characteristics of the neutrino signal.…

High Energy Physics - Phenomenology · Physics 2015-06-25 G. G. Raffelt

The neutrino annihilation is one of the most promising candidates for the jet production process of gamma-ray bursts. Although neutrino interaction rates depend strongly on the neutrino spectrum, the estimations of annihilation rate have…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Yudai Suwa

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

We study the role that the future detection of the neutrino burst from a galactic supernova can play in the reconstruction of the neutrino mass spectrum. We consider all possible 3$\nu$ mass and flavor spectra which describe the solar and…

High Energy Physics - Phenomenology · Physics 2009-10-31 Amol S. Dighe , Alexei Yu. Smirnov

The appearance of strangeness in the form of hyperons within the inner core of neutron stars is expected to affect its detectable properties such as its global structure or gravitational wave emission. In this work, we explore the parameter…

High Energy Astrophysical Phenomena · Physics 2023-12-19 Suprovo Ghosh , Bikram Keshari Pradhan , Debarati Chatterjee , Jürgen Schaffner-Bielich

Neutrinos are densely populated deep inside the core of massive stars after their gravitational collapse to produce supernova explosions and form compact stars such as neutron stars (NS) and black holes (BH). It has been considered that…

High Energy Astrophysical Phenomena · Physics 2019-05-29 Milad Delfan Azari , Shoichi Yamada , Taiki Morinaga , Wakana Iwakami , Hirotada Okawa , Hiroki Nagakura , Kohsuke Sumiyoshi

Scalar (fermion) dark matter with mass in the MeV range coupled to ordinary neutrinos and another fermion (scalar) is motivated by scenarios that establish a link between radiatively generated neutrino masses and the dark matter relic…

High Energy Physics - Phenomenology · Physics 2015-06-18 Yasaman Farzan , Sergio Palomares-Ruiz

We consider the effect of non-standard neutrino interactions (NSI, for short) on the propagation of neutrinos through the supernova (SN) envelope within a three-neutrino framework and taking into account the presence of a neutrino…

High Energy Physics - Phenomenology · Physics 2010-04-06 A. Esteban-Pretel , R. Tomas , J. W. F. Valle

Neutrino-neutrino refraction leads to collective flavor evolution that can include fast flavor conversion, an ingredient still missing in numerical simulations of core-collapse supernovae. We provide a theoretical framework for the linear…

High Energy Physics - Phenomenology · Physics 2024-10-01 Damiano F. G. Fiorillo , Georg G. Raffelt

A light ($m_{\nu d} \lesssim $ MeV) dark fermion mixing with the Standard Model neutrinos can naturally equilibrate with the neutrinos via oscillations and scattering. In the presence of dark sector interactions, production of dark fermions…

Cosmology and Nongalactic Astrophysics · Physics 2024-02-02 Daniel Aloni , Melissa Joseph , Martin Schmaltz , Neal Weiner

Neutrino masses and mixings have important implications for models of fermion masses, and, most directly, for the charged lepton sector. We consider supersymmetric Abelian flavor models, where neutrino mass parameters are related to those…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jonathan L. Feng , Yosef Nir , Yael Shadmi

In very dense environments, neutrinos can undergo fast flavor conversions on scales as short as a few centimeters provided that the angular distribution of the neutrino lepton number crosses zero. This work presents the first attempt to…

High Energy Astrophysical Phenomena · Physics 2021-05-05 Francesco Capozzi , Sajad Abbar , Robert Bollig , H. -Thomas Janka

In the dense-neutrino region at 50-400 km above the neutrino sphere in a supernova, neutrino-neutrino interactions cause large flavor transformations. We study when the multi-angle nature of the neutrino trajectories leads to flavor…

Astrophysics · Physics 2008-11-26 Andreu Esteban-Pretel , Sergio Pastor , Ricard Tomas , Georg G. Raffelt , Gunter Sigl

A dense gas of neutrinos and antineutrinos can undergo fast pairwise conversions near the decoupling regions of core-collapse supernovae and in compact binary neutron star mergers. The flavor dependent neutrino heating can play a role in…

High Energy Astrophysical Phenomena · Physics 2021-08-03 Ian Padilla-Gay , Shashank Shalgar

Neutrino flavor evolution inside a core-collapse supernova is a topic of active research. The core of a supernova is an intense source of neutrinos and antineutrinos. Self-interaction among neutrinos (as well as antineutrinos) gives rise to…

High Energy Astrophysical Phenomena · Physics 2025-02-20 Indrajit Ghose , Amitabha Lahiri

(Abridged) The transition probabilities describing the evolution of a neutrino with a given energy along some ray through a turbulent supernova are random variates unique to each ray. If the source of the neutrinos were a point then all…

High Energy Physics - Phenomenology · Physics 2015-06-15 James P Kneller , Alex W Mauney

Neutrinos play a critical role of transporting energy and changing the lepton density within core-collapse supernovae and neutron star mergers. The quantum kinetic equations (QKEs) combine the effects of neutrino-matter interactions treated…

High Energy Astrophysical Phenomena · Physics 2024-09-13 Sherwood A. Richers , Gail C. McLaughlin , James P. Kneller , Alexey Vlasenko

A new economical model for neutrino masses is proposed in the context of brane bulk scenarios for particle physics, where global B-L symmetry of the standard model is broken spontaneously by a gauge singlet Higgs field in the bulk. This…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. N. Mohapatra , A. Perez-Lorenzana , C. A. de S. Pires