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Young massive stars in compact stellar clusters could end their evolution as core-collapse supernovae a few million years after the cluster was built. The blast wave of a supernova propagates through the inner cluster region with multiple…

High Energy Astrophysical Phenomena · Physics 2023-11-06 D. V. Badmaev , A. M. Bykov , M. E. Kalyashova

Core-collapse supernovae are a useful laboratory to probe the nature of exotic particles. If axionlike particles (ALPs) are produced in supernovae, they can affect the transfer of energy and leave traces in observational signatures. In this…

High Energy Astrophysical Phenomena · Physics 2023-09-06 Kanji Mori , Tomoya Takiwaki , Kei Kotake , Shunsaku Horiuchi

Knowledge on nuclear cluster physics has increased considerably since the pioneering discovery of 12C+12C resonances half a century ago and nuclear clustering remains one of the most fruitful domains of nuclear physics, facing some of the…

Nuclear Experiment · Physics 2017-11-08 C. Beck

Core-collapse supernovae serve as powerful probes of light, weakly coupled particles, such as dark photons. The conventional SN1987A cooling bound constrains the dark photon mass-mixing parameter space by requiring that the luminosity from…

High Energy Physics - Phenomenology · Physics 2026-01-01 Aritra Gupta , Manibrata Sen

Core-collapse supernovae are among the most powerful explosions in the universe, emitting thermal neutrinos that carry away the majority of the gravitational binding energy released. These neutrinos create a diffuse supernova neutrino…

High Energy Astrophysical Phenomena · Physics 2025-10-09 Shin'ichiro Ando , Nick Ekanger , Shunsaku Horiuchi , Yusuke Koshio

Significant advances have been made in recent years in the exploration of clustering in light nuclei. This progress has arisen not only from the investigation of new systems, but also through the development and application of novel probes.…

Nuclear Experiment · Physics 2009-10-31 N. A. Orr

Superbursts are rare and energetic thermonuclear carbon flashes observed to occur on accreting neutron stars. We create the first multi-zone models of series of superbursts using a stellar evolution code. We self-consistently build up the…

High Energy Astrophysical Phenomena · Physics 2015-05-30 L. Keek , A. Heger

General relativistic multi-group and multi-flavor Boltzmann neutrino transport in spherical symmetry adds a new level of detail to the numerical bridge between microscopic nuclear and weak interaction physics and the macroscopic evolution…

The feasibility of using near-infrared observations to discover supernovae in the nuclear and circumnuclear regions of nearby starburst galaxies is investigated. We provide updated estimates of the intrinsic core-collapse supernova rates in…

Astrophysics · Physics 2009-10-31 S. Mattila , W. P. S. Meikle

Advances in our understanding and the modeling of stellar core-collapse and supernova explosions over the past 15 years are reviewed, concentrating on the evolution of hydrodynamical simulations, the description of weak interactions and…

Astrophysics · Physics 2008-11-26 H. -Th. Janka , K. Langanke , A. Marek , G. Martinez-Pinedo , B. Mueller

Neutrinos and antineutrinos of all three flavours are emitted during the post bounce phase of a core collapse supernova with $\numu/\nutau (\anumu/\anutau)$ having average energies more than that of $\nue(\anue)$. They can be detected by…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sandhya Choubey , Debasish Majumdar , Kamales Kar

The observation of neutrinos from Supernova~1987A has confirmed the theoretical conjecture that these particles play a crucial role during the collapse of the core of a massive star. Only one per cent of the energy they carry away from the…

Astrophysics · Physics 2007-05-23 H. -Th. Janka

The density structure surrounding the iron core of a massive star when it dies is known to have a major effect on whether or not the star explodes. Here we repeat previous surveys of presupernova evolution with some important corrections to…

High Energy Astrophysical Phenomena · Physics 2018-06-27 Tuguldur Sukhbold , Stan Woosley , Alexander Heger

Convection that develops behind the shock front during the first second of a core-collapse supernova explosion is believed to play a crucial role in the explosion mechanism. We demonstrate that the resulting turbulent density fluctuations…

Astrophysics · Physics 2007-05-23 Alexander Friedland , Andrei Gruzinov

Proto-neutron stars forming a few seconds after core-collapse supernovae are hot and dense environments where hyperons can be efficiently produced by weak processes. By making use of various state-of-the-art supernova simulations combined…

High Energy Physics - Phenomenology · Physics 2022-03-08 Jorge Martin Camalich , Jorge Terol-Calvo , Laura Tolos , Robert Ziegler

We perform some experimental simulations in spherical symmetry and axisymmetry to understand the post-shock-revival evolution of core-collapse supernovae. Assuming that the stalled shock wave is relaunched by neutrino heating and employing…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Yu Yamamoto , Shin-ichiro Fujimoto , Hiroki Nagakura , Shoichi Yamada

Cold fronts have been detected both in merging and in cool core clusters, where little or no sign of a merging event is present. A systematic search of sharp surface brightness discontinuities performed on a sample of 62 galaxy clusters…

Astrophysics · Physics 2015-06-24 S. Ghizzardi , S. Molendi , M. Rossetti , A. Leccardi

The existence of various anomalous stars, such as the first stars in the universe or stars produced by stellar mergers, has been recently proposed. Some of these stars will result in black hole formation. In this study, we investigate iron…

Astrophysics · Physics 2010-05-12 Ken'ichiro Nakazato , Kohsuke Sumiyoshi , Shoichi Yamada

We investigate the cooling of neutron stars with relativistic and non-relativistic models of dense nuclear matter. We focus on the effects of uncertainties originated from the nuclear models, the composition of elements in the envelope…

Nuclear Theory · Physics 2017-02-21 Yeunhwan Lim , Chang Ho Hyun , Chang-Hwan Lee

It has been suggested that whether a star explodes or not, and what kind of explosion properties it shows, is strongly dependent on the progenitor's core structure. We present the results from 101 axisymmetric core-collapse supernova…

High Energy Astrophysical Phenomena · Physics 2018-05-02 Shunsaku Horiuchi , Ko Nakamura , Tomoya Takiwaki , Kei Kotake