Origin of the heaviest elements: The rapid neutron-capture process

JJ Cowan, C Sneden, JE Lawler, A Aprahamian… - Reviews of Modern …, 2021 - APS
The production of about half of the heavy elements found in nature is assigned to a specific
astrophysical nucleosynthesis process: the rapid neutron-capture process (r process) …

First multimessenger observations of a neutron star merger

R Margutti, R Chornock - Annual Review of Astronomy and …, 2021 - annualreviews.org
We describe the first observations of the same celestial object with gravitational waves and
light.▪ GW170817 was the first detection of a neutron star merger with gravitational waves.▪ …

Population of merging compact binaries inferred using gravitational waves through GWTC-3

R Abbott, TD Abbott, F Acernese, K Ackley, C Adams… - Physical Review X, 2023 - APS
We report on the population properties of compact binary mergers inferred from gravitational-
wave observations of these systems during the first three LIGO-Virgo observing runs. The …

The origin of elements from carbon to uranium

C Kobayashi, AI Karakas, M Lugaro - The Astrophysical Journal, 2020 - iopscience.iop.org
To reach a deeper understanding of the origin of elements in the periodic table, we construct
Galactic chemical evolution (GCE) models for all stable elements from C (A= 12) to U (A …

GW190425: Observation of a compact binary coalescence with total mass∼ 3.4 M⊙

BP Abbott, R Abbott, TD Abbott… - The Astrophysical …, 2020 - iopscience.iop.org
The first observation of gravitational waves from the inspiral of a binary neutron star (BNS)
200 system on 2017 August 17 (Abbott et al. 2017b) was a major landmark in multi …

Multimessenger constraints on the neutron-star equation of state and the Hubble constant

T Dietrich, MW Coughlin, PTH Pang, M Bulla, J Heinzel… - Science, 2020 - science.org
Observations of neutron-star mergers with distinct messengers, including gravitational
waves and electromagnetic signals, can be used to study the behavior of matter denser than …

Gigaelectronvolt emission from a compact binary merger

A Mei, B Banerjee, G Oganesyan, OS Salafia… - Nature, 2022 - nature.com
An energetic γ-ray burst (GRB), GRB 211211A, was observed on 11 December 2021,.
Despite its long duration, typically associated with bursts produced by the collapse of …

A new moment-based general-relativistic neutrino-radiation transport code: Methods and first applications to neutron star mergers

D Radice, S Bernuzzi, A Perego… - Monthly Notices of the …, 2022 - academic.oup.com
We present a new moment-based energy-integrated neutrino transport code for neutron star
merger simulations in general relativity. In the merger context, ours is the first code to include …

Numerical relativity simulations of the neutron star merger GW170817: long-term remnant evolutions, winds, remnant disks, and nucleosynthesis

V Nedora, S Bernuzzi, D Radice… - The Astrophysical …, 2021 - iopscience.iop.org
We present a systematic numerical relativity study of the dynamical ejecta, winds, and
nucleosynthesis in neutron star (NS) merger remnants. Binaries with the chirp mass …

Systematic opacity calculations for kilonovae

M Tanaka, D Kato, G Gaigalas… - Monthly Notices of the …, 2020 - academic.oup.com
Coalescence of neutron stars (NSs) gives rise to kilonova, thermal emission powered by
radioactive decays of freshly synthesized r-process nuclei. Although observational …