activity
20242026
collaborators

14 papers

nucl-th2026

TITAN mass measurements of neutron-rich Cs, Ba and r-process lanthanide abundances

T. -H. Yeh, J. D. Cardona, Y. Wang +26

We present measurements for the masses of five neutron-rich isotopes, Cs and Ba, probed for the first time by TITAN at TRIUMF with time-of-flight measureme…

astro-ph.HE2026

Beta-Particle Transport and Thermalization in Kilonova Ejecta with Detailed Atomic Microphysics

Zachary L. Andalman, Christopher L. Fryer, Christopher J. Fontes +2

When two neutron stars collide, they eject material containing heavy nuclei formed by the rapid neutron capture process (-process). As these nuclei decay, they power a bright op…

astro-ph.HE2026

Gamma-Ray Spectra of -Process Nuclei

Axel Gross, Samuel Cupp, Matthew R Mumpower

The radioactive decay of unstable nuclei created in the rapid neutron capture process releases a large amount of -rays. When the ejecta are optically thick, these -rays may…

astro-ph.HE2026

Multi-messengers from the radioactive decay of -process nuclei

Axel Gross, Samuel Cupp, Matthew R. Mumpower

The radioactive -decay of nuclei synthesized in the rapid neutron capture process (-process) releases a variety of particles, including electrons, -rays, neutrinos, and…

astro-ph.HE2026

Kilonovae and Long-duration Gamma-ray Bursts

Marko Ristić, Brandon L. Barker, Samuel Cupp +5

Recent detections of kilonova-like emission following long-duration gamma-ray bursts GRB211211A and GRB230307A have been interpreted as originating from the merger of two neutron s…

astro-ph.HE2026

Joint Electromagnetic and Gravitational Wave Inference of Binary Neutron Star Merger GW170817 Using Forward-Modeling Ejecta Predictions

Marko Ristić, Richard O'Shaughnessy, Kate Wagner +5

We reassess the capacity for multimessenger inference of AT2017gfo/GW170817 using both kilonova and gravitational wave emission within the context of a recent simulation-based surr…