Neutrinos and nucleosynthesis of elements

T Fischer, G Guo, K Langanke… - Progress in Particle and …, 2024 - Elsevier
Neutrinos are known to play important roles in many astrophysical scenarios from the early
period of the big bang to current stellar evolution being a unique messenger of the fusion …

Basic characteristics of neutrino flavor conversions in the postshock regions of core-collapse supernova

H Nagakura, M Zaizen - Physical Review D, 2023 - APS
One of the active debates in core-collapse supernova (CCSN) theory is how significantly
neutrino flavor conversions induced by neutrino-neutrino self-interactions change the …

Magnetorotational supernovae: a nucleosynthetic analysis of sophisticated 3D models

M Reichert, M Obergaulinger, MÁ Aloy… - Monthly Notices of …, 2023 - academic.oup.com
Magnetorotational supernovae are a rare type of core-collapse supernovae where the
magnetic field and rotation play a central role in the dynamics of the explosion. We present …

Three dimensional magnetorotational core-collapse supernova explosions of a 39 solar mass progenitor star

J Powell, B Müller, DR Aguilera-Dena… - Monthly Notices of the …, 2023 - academic.oup.com
We perform three-dimensional simulations of magnetorotational supernovae using a
progenitor star with two different initial magnetic field strengths of 1010 and 1012 G in the …

Core-collapse supernova simulations and the formation of neutron stars, hybrid stars, and black holes

T Kuroda, T Fischer, T Takiwaki… - The Astrophysical …, 2022 - iopscience.iop.org
We investigate observable signatures of a first-order quantum chromodynamics (QCD)
phase transition in the context of core-collapse supernovae. To this end, we conduct axially …

Three-dimensional core-collapse supernovae with complex magnetic structures–II. Rotational instabilities and multimessenger signatures

M Bugli, J Guilet, T Foglizzo… - Monthly Notices of the …, 2023 - academic.oup.com
The gravitational collapse of rapidly rotating massive stars can lead to the onset of the low
T/| W| instability within the central proto-neutron star (PNS), which leaves strong signatures …

Pulsational pair-instability supernovae: gravitational collapse, black hole formation, and beyond

N Rahman, HT Janka, G Stockinger… - Monthly Notices of the …, 2022 - academic.oup.com
We investigate the final collapse of rotating and non-rotating pulsational pair-instability
supernova progenitors with zero-age-main-sequence masses of 60, 80, and 115 M⊙ and …

Explosion Mechanism of Core-collapse Supernovae: Role of the Si/Si–O Interface

L Boccioli, L Roberti, M Limongi… - The Astrophysical …, 2023 - iopscience.iop.org
We present a simple criterion to predict the explodability of massive stars based on the
density and entropy profiles before collapse. If a pronounced density jump is present near …

The gravitational-wave emission from the explosion of a 15 solar mass star with rotation and magnetic fields

J Powell, B Müller - Monthly Notices of the Royal Astronomical …, 2024 - academic.oup.com
Gravitational waveform predictions from 3D simulations of explosions of non-rotating
massive stars with no magnetic fields have been extensively studied. However, the impact of …

A new scenario for magnetar formation: Tayler-Spruit dynamo in a proto-neutron star spun up by fallback

P Barrère, J Guilet, A Reboul-Salze, R Raynaud… - Astronomy & …, 2022 - aanda.org
Magnetars are isolated young neutron stars characterised by the most intense magnetic
fields known in the Universe, which power a wide variety of high-energy emissions from …