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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 give a very brief overview of collective effects in neutrino oscillations in core collapse supernovae where refractive effects of neutrinos on themselves can considerably modify flavor oscillations, with possible repercussions for future…

High Energy Physics - Phenomenology · Physics 2009-09-11 Guenter Sigl , Ricard Tomas , Andreu Esteban-Pretel , Sergio Pastor , Alessandro Mirizzi , Georg G. Raffelt , Pasquale D. Serpico

We argue that the small fraction of neutrinos that undergo direction-changing scattering outside of the neutrinosphere could have significant influence on neutrino flavor transformation in core-collapse supernova environments. We show that…

High Energy Physics - Phenomenology · Physics 2012-07-31 John F. Cherry , J. Carlson , Alexander Friedland , George M. Fuller , Alexey Vlasenko

A core-collapse supernova (SN) releases almost all of its energy in the form of neutrinos, which provide a unique opportunity to probe the working machinery of a SN. These sites are prone to neutrino-neutrino refractive effects, which can…

High Energy Physics - Phenomenology · Physics 2024-06-03 Manibrata Sen

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

Neutrino interactions with matter play an important role in determining the nucleosynthesis outcome in explosive astrophysical environments such as core-collapse supernovae or mergers of compact objects. In this article, we first discuss…

High Energy Astrophysical Phenomena · Physics 2016-03-16 Meng-Ru Wu , Gabriel Martinez-Pinedo , Yong-Zhong Qian

The large neutrino density in the deep interior of core-collapse supernovae and compact binary merger remnants makes neutrino flavor evolution non-linear because of the coherent forward scattering of neutrinos among themselves. Under the…

High Energy Astrophysical Phenomena · Physics 2023-08-16 Shashank Shalgar , Irene Tamborra

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

When the neutrino density is very high, as in core-collapse supernovae, neutrino-neutrino interactions are not negligible and can appreciably affect the evolution of flavour. The physics of these phenomena is briefly highlighted, and their…

High Energy Physics - Phenomenology · Physics 2009-05-18 Irene Tamborra

These conference proceedings cover various aspects of neutrino propagation through the high matter and neutrino densities near the proto-neutron star in a core-collapse supernova. A significant feature of this regime is the impact of…

Solar and Stellar Astrophysics · Physics 2011-11-10 A. B. Balantekin

Neutrinos emitted during stellar core collapse leading to a supernova are primarily of the electron neutrino type at source which may undergo oscillation between flavor eigenstates during propagation to an earth-bound detector. Although the…

Astrophysics · Physics 2009-10-30 Debasish Majumdar , Kamales Kar , Alak Ray , Amitava Raychaudhuri , Firoza K. Sutaria

We summarize our current understanding of the neutrino flavor conversions inside a core collapse supernova, clarifying the important role played by the "collective effects" in determining flavor conversion probabilities. The potentially…

High Energy Physics - Phenomenology · Physics 2010-04-22 Amol Dighe

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

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…

Neutrino flavor evolution in core-collapse supernovae, neutron-star mergers, or the early universe is dominated by neutrino-neutrino refraction, often spawning "self-induced flavor conversion", i.e., shuffling of flavor among momentum…

High Energy Physics - Phenomenology · Physics 2016-06-22 Sovan Chakraborty , Rasmus Sloth Hansen , Ignacio Izaguirre , Georg Raffelt

In core-collapse supernovae, neutrinos and antineutrinos are initially subject to significant self-interactions induced by weak neutral currents, which may induce strong-coupling effects on the flavor evolution (collective transitions). The…

High Energy Physics - Phenomenology · Physics 2008-09-19 G. L. Fogli , E. Lisi , A. Marrone , A. Mirizzi

The core-collapse of massive stars and merger of neutron star binaries are among the most promising candidate sites for the production of high-energy cosmic neutrinos. We demonstrate that the high-energy neutrinos produced in such extreme…

High Energy Physics - Phenomenology · Physics 2024-02-06 Sajad Abbar , Jose Alonso Carpio , Kohta Murase

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

Rapid progress has been made during recent years in the understanding of the flavour oscillations that occur as neutrinos traverse through supernova. The previous paradigm has given way and it is now clear that the neutrino signals we shall…

High Energy Astrophysical Phenomena · Physics 2011-07-19 Huaiyu Duan , James P Kneller

Neutrino flavor transformations in core-collapse supernovae and binary neutron star mergers represent a complex and unsolved problem that is integral to our understanding of the dynamics and nucleosynthesis in these environments. The high…

High Energy Physics - Phenomenology · Physics 2023-05-02 Amol V. Patwardhan , Michael J. Cervia , Ermal Rrapaj , Pooja Siwach , A. B. Balantekin
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