中文
相关论文

相关论文: Flavor Evolution of the Neutronization Neutrino Bu…

200 篇论文

We discuss the recent progress in our understanding of neutrino flavour conversion in core-collapse supernovae and focus on the effects coming from the neutrino-neutrino interaction. The latter has been shown to engender new phenomena,…

太阳与恒星天体物理 · 物理学 2011-09-01 Cristina Volpe

The flavor evolution of neutrinos in core collapse supernovae and neutron star mergers is a critically important unsolved problem in astrophysics. Following the electron flavor evolution of the neutrino system is essential for calculating…

高能物理 - 唯象学 · 物理学 2023-12-29 Evan Grohs , Sherwood Richers , Sean M. Couch , Francois Foucart , James P. Kneller , G. C. McLaughlin

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…

高能物理 - 唯象学 · 物理学 2010-04-22 Amol Dighe

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…

天体物理学 · 物理学 2008-11-26 Christian Y. Cardall

Self-induced flavor conversion of supernova (SN) neutrinos is a generic feature of neutrino-neutrino dispersion. The corresponding run-away modes in flavor space can spontaneously break the original symmetries of the neutrino flux and in…

高能物理 - 唯象学 · 物理学 2016-04-04 Sovan Chakraborty , Rasmus Sloth Hansen , Ignacio Izaguirre , Georg Raffelt

We study the ratio of neutrino-proton elastic scattering to inverse beta decay event counts, measurable in a scintillation detector like JUNO, as a key observable for identifying the explosion mechanism of a galactic core-collapse…

高能天体物理现象 · 物理学 2019-06-12 Nitsan Bar , Kfir Blum , Guido D'Amico

The large neutrino fluxes emitted with a distinct flavor hierarchy from core-collapse supernovae (SNe) during the post-bounce accretion phase, offer the best opportunity to detect effects from neutrino flavor oscillations. We perform a…

高能物理 - 唯象学 · 物理学 2013-05-29 Sovan Chakraborty , Tobias Fischer , Alessandro Mirizzi , Ninetta Saviano , Ricard Tomas

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…

高能物理 - 唯象学 · 物理学 2024-02-06 Sajad Abbar , Jose Alonso Carpio , Kohta Murase

A new chapter is opening in the theory of core-collapse supernovae and neutron star mergers as simulations of these events begin to incorporate fast flavor conversion (FFC) and other forms of neutrino flavor mixing. Using numerical…

高能天体物理现象 · 物理学 2026-05-14 Erick Urquilla , Lucas Johns

Neutrinos propagating in dense neutrino media such as core-collapse supernovae and neutron star merger remnants can experience the so-called fast flavor conversions on scales much shorter than those expected in vacuum. A very generic class…

高能天体物理现象 · 物理学 2022-03-31 Sajad Abbar , Francesco Capozzi

Simulations of neutrino flavor evolution in compact merger environments have shown that neutrino flavor, and hence nucleosynthesis, can be strongly affected by the presence of matter-neutrino resonances (MNRs), where there is a cancelation…

高能天体物理现象 · 物理学 2018-05-02 A. Vlasenko , G. C. McLaughlin

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…

Self-induced flavor conversions of supernova (SN) neutrinos can strongly modify the flavor dependent fluxes. We perform a linearized flavor stability analysis with accretion-phase matter profiles of a 15 M_sun spherically symmetric model…

太阳与恒星天体物理 · 物理学 2015-03-19 Srdjan Sarikas , Georg G. Raffelt , Lorenz Hüdepohl , Hans-Thomas Janka

The neutrino flux close to a supernova core contributes substantially to neutrino refraction so that flavor oscillations become a nonlinear phenomenon. One unexpected consequence is efficient flavor transformation for anti-neutrinos in a…

天体物理学 · 物理学 2009-11-07 Sergio Pastor , Georg Raffelt

I review the effects of flavor conversion of neutrinos from stellar collapse due to masses and mixing, and discuss the motivations for their study. I consider in detail the sensitivity of certain observables (characteristics of the energy…

高能物理 - 唯象学 · 物理学 2007-05-23 Cecilia Lunardini

We summarize the recent developments in our understanding of neutrino flavour conversion in core-collapse supernovae and discuss open questions.

太阳与恒星天体物理 · 物理学 2015-06-11 Cristina Volpe

We explore the effects of collective neutrino flavor oscillations due to neutrino-neutrino interactions on the neutrino heating behind a stalled core-collapse supernova shock. We carry out axisymmetric (2D) radiation-hydrodynamic…

太阳与恒星天体物理 · 物理学 2014-03-06 Basudeb Dasgupta , Evan P. O'Connor , Christian D. Ott

We explore the impact of small-scale flavor conversions of neutrinos, the so-called fast flavor conversions (FFCs), on the dynamical evolution and neutrino emission of core-collapse supernovae (CCSNe). In order to do that, we implement FFCs…

高能天体物理现象 · 物理学 2023-05-31 Jakob Ehring , Sajad Abbar , Hans-Thomas Janka , Georg Raffelt , Irene Tamborra

We study the flavor evolution of a dense gas initially consisting of pure mono-energetic $\nu_e$ and $\bar\nu_e$. Using adiabatic invariants and the special symmetry in such a system we are able to calculate the flavor evolution of the…

天体物理学 · 物理学 2008-11-26 Huaiyu Duan , George M. Fuller , J. Carlson , Yong-Zhong Qian

We perform three-dimensional supernova simulations with a phenomenological treatment of neutrino flavor conversions. We show that the explosion energy can increase to as high as ~10^51 erg depending on the critical density for the onset of…

高能天体物理现象 · 物理学 2025-03-05 Kanji Mori , Tomoya Takiwaki , Kei Kotake , Shunsaku Horiuchi