English
Related papers

Related papers: The influence of collective neutrino oscillations …

200 papers

In high-energy astrophysical processes involving compact objects, such as core-collapse supernovae or binary neutron star mergers, neutrinos play an important role in the synthesis of nuclides. Neutrinos in these environments can experience…

High Energy Astrophysical Phenomena · Physics 2024-06-10 A. Baha Balantekin , Michael J. Cervia , Amol V. Patwardhan , Rebecca Surman , Xilu Wang

In this paper, we explore the effects of neutrino flavor oscillations on supernova nucleosynthesis and on the neutrino signals. Our study is based on detailed information about the neutrino spectra and their time evolution from a…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Meng-Ru Wu , Yong-Zhong Qian , Gabriel Martinez-Pinedo , Tobias Fischer , Lutz Huther

The emergent phenomenon of collective neutrino oscillations arises from neutrino-neutrino interactions in environments with very large number of neutrinos. Since such environments are likely sites of the heavy-element synthesis,…

Nuclear Theory · Physics 2018-05-23 A. B. Balantekin

We study the effects of collective neutrino oscillations on $\nu p$ process nucleosynthesis in proton-rich neutrino-driven winds by including both the multi-angle $3\times3$ flavor mixing and the nucleosynthesis network calculation. The…

High Energy Astrophysical Phenomena · Physics 2017-09-13 H. Sasaki , T. Kajino , T. Takiwaki , T. Hayakawa , A. B. Balantekin , Y. Pehlivan

We investigate the collective neutrino oscillations under the three flavor multi-angle approximation in a spherically symmetric simulation of failed supernovae. A failed supernova emits high neutrino fluxes in a short time, while intense…

High Energy Astrophysical Phenomena · Physics 2018-12-19 Masamichi Zaizen , Takashi Yoshida , Kohsuke Sumiyoshi , Hideyuki Umeda

The inclusion of massive neutrinos affects the cross sections involved in the formation of heavy nuclei, modifying their abundances. Rapid neutron capture processes (r-process) are often associated with explosive events such as…

High Energy Physics - Phenomenology · Physics 2018-09-10 M. M. Saez , M. E. Mosquera , O. Civitarese

Neutrino-neutrino interactions inside core-collapse supernovae may give rise to collective flavor oscillations resulting in swap between flavors. These oscillations depend on the initial energy spectra, and relative fluxes or relative…

High Energy Physics - Phenomenology · Physics 2014-11-20 Sovan Chakraborty , Sandhya Choubey , Srubabati Goswami , 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

We investigate collective flavor oscillations of supernova neutrinos at late stages of the explosion. We first show that the frequently used single-angle (averaged coupling) approximation predicts oscillations close to, or perhaps even…

High Energy Physics - Phenomenology · Physics 2011-04-21 Huaiyu Duan , Alexander Friedland

By performing a series of one- and two-dimensional (1-, 2D) hydrodynamic simulations with spectral neutrino transport, we study possible impacts of collective neutrino oscillations on the dynamics of core-collapse supernovae. To model the…

High Energy Astrophysical Phenomena · Physics 2015-05-28 Yudai Suwa , Kei Kotake , Tomoya Takiwaki , Matthias Liebendoerfer , Katsuhiko Sato

We review the rich phenomena associated with neutrino flavor transformation in the presence of neutrino self-coupling. Our exposition centers on three collective neutrino oscillation scenarios: a simple bipolar neutrino system that…

High Energy Physics - Phenomenology · Physics 2011-02-02 Huaiyu Duan , George M. Fuller , Yong-Zhong Qian

Neutrino oscillations affect light element synthesis through the neutrino-process in supernova explosions. The 7Li and 11B yields produced in a supernova explosion of a 16.2 solar-mass star model increase by factors of 1.9 and 1.3 in the…

Astrophysics · Physics 2008-11-26 T. Yoshida , T. Kajino , H. Yokomakura , K. Kimura , A. Takamura , D. H. Hartmann

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

Neutrino induced reactions are a basic ingredient in astrophysical processes like star evolution. The existence of neutrino oscillations affects the rate of nuclear electroweak decays which participates in the chain of events that…

High Energy Physics - Phenomenology · Physics 2018-09-10 M. M. Saez , O. Civitarese , M. E. Mosquera

Accurate neutrino transport is crucial for reliably modeling explosive astrophysical events like core-collapse supernovae (CCSNe) and neutron star mergers (NSMs). However, in these extremely neutrino-dense systems, flavor oscillations…

High Energy Astrophysical Phenomena · Physics 2025-08-29 Lucas Johns , Sherwood Richers , Meng-Ru Wu

Neutrino oscillations in a hot and dense astrophysical environment such as a core-collapse supernova pose a challenging, seven-dimensional flavor transport problem. To make the problem even more difficult (and interesting), neutrinos can…

High Energy Physics - Phenomenology · Physics 2015-09-11 Huaiyu Duan

We study the effects of neutrino oscillation on supernova neutrino in the case of the inverted mass hierarchy ($m_{3} \ll m_{1} < m_{2}$) as well as the normal mass hierarchy ($m_{1} < m_{2} \ll m_{3}$). Numerical analysis using a realistic…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. Takahashi , K. Sato

The nucleosynthesis within a Type II supernova occurs in an intense neutrino flux. I discuss some of the effects associated with neutrino interactions, including direct synthesis in the neutrino process, the role of neutrinos in controlling…

Nuclear Theory · Physics 2017-08-23 W. C. Haxton

We discuss the relationship between a symmetry in the neutrino flavour evolution equations and neutrino flavour oscillations in the collective precession mode. This collective precession mode can give rise to spectral swaps (splits) when…

Astrophysics · Physics 2009-08-25 Huaiyu Duan , George M. Fuller , Yong-Zhong Qian

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
‹ Prev 1 2 3 10 Next ›