Highlights
![False color plot showing the density of the mass in the equatorial (bottom) and meridional, or “southern” (top) planes of a neutron star merger remnant about 100 milliseconds after the merger.](/-/media/np/images/highlights/2024/Ab-Initio-Simulations_Penn-State.jpg?h=576&w=576&la=en&hash=C2F06A4D7D05D105755CE3C73595AD318C99671130F95BF821113EE580B1AAD7)
What Happens to the Remains of Neutron Star Mergers?
Simulations of massive neutron star merger remnants reveal their structure and early evolution as they cool down by emitting neutrinos.
![Top: protons striking a nucleus deflect from their original path depending on velocity, location of impact, and force from the protons inside the nucleus. Bottom: elastic proton scattering cross sections from oxygen-16 at different orders of magnitude.](/-/media/np/images/highlights/2024/AB-Initio.png?h=601&w=1345&la=en&hash=880219EF62963C79E3FBC3FC23EA19184E2363E20439B0E132F2D4974067F37F)
Ab Initio Methods Help Scientists Make Sense of Complex Particle Collisions
Research finds ab initio effective field theories are useful for calculating how nucleons scatter from collisions of atomic nuclei.
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