Results 81 to 90 of about 112,099 (203)

Strong Coupling of Hydrodynamics and Reactions in Nuclear Statistical Equilibrium for Modeling Convection in Massive Stars

open access: yesThe Astrophysical Journal
We build on the simplified spectral deferred corrections (SDC) coupling of hydrodynamics and reactions to handle the case of nuclear statistical equilibrium (NSE) and electron/positron captures/decays in the cores of massive stars.
Michael Zingale   +4 more
doaj   +1 more source

Supernova Dynamics and Explosive Nucleosynthesis

open access: yesJournal of Physics: Conference Series, 2012
Nuclear physics plays a crucial role in various aspects of core collapse supernovae. The collapse dynamic is strongly influenced by electron captures. Using modern many-body theory improved capture rates have been derived recently with the important result that the process is dominated by capture on nuclei until neutrino trapping is achieved. Following
openaire   +1 more source

Kilonova Emissions from Neutron Star Merger Remnants: Implications for the Nuclear Equation of State

open access: yesThe Astrophysical Journal
Multimessenger observations of binary neutron star mergers can provide valuable information on the nuclear equation of state (EOS). Here, we investigate the extent to which electromagnetic observations of the associated kilonovae allow us to place ...
Kelsey A. Lund   +5 more
doaj   +1 more source

Collapsars as Sites of r-process Nucleosynthesis: Systematic Photometric Near-infrared Follow-up of Type Ic-BL Supernovae

open access: yesThe Astrophysical Journal
One of the open questions following the discovery of GW170817 is whether neutron star (NS) mergers are the only astrophysical sites capable of producing r -process elements.
Shreya Anand   +43 more
doaj   +1 more source

A metal-poor star with abundances from a pair-instability supernova. [PDF]

open access: yesNature, 2023
Xing QF   +9 more
europepmc   +1 more source

87th Annual Meeting of the Meteoritical Society 2025: Contents

open access: yes
Meteoritics &Planetary Science, Volume 60, Issue S1, Page 2-29, August 2025.
wiley   +1 more source

87th Annual Meeting of the Meteoritical Society 2025: Abstracts

open access: yes
Meteoritics &Planetary Science, Volume 60, Issue S1, Page 30-350, August 2025.
wiley   +1 more source

SPIRIT Solver: Accelerating r-process Nucleosynthesis with Sparse Preconditioning

open access: yesThe Astrophysical Journal Supplement Series
We introduce Sparse Matrix Preconditioner for Iterative Refinement and Inversion Toolkit (SPIRIT), a general-purpose sparse matrix solver with a novel preconditioner designed for the large, sparse, and ill-conditioned Jacobian systems that arise in r ...
Nazeef, Aditya Kumar, Chong Qi
doaj   +1 more source

Measuring neutron capture cross sections of radioactive nuclei: From activations at the FZK Van de Graaff to direct neutron captures in inverse kinematics with a storage ring at TRIUMF. [PDF]

open access: yesEur Phys J A Hadron Nucl, 2023
Dillmann I   +10 more
europepmc   +1 more source

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