Highlights
![Artist’s depiction of the spray of particles arising from the collision of two heavy atoms. As the hot subatomic soup cools, newly formed particles shower off into space.](/-/media/np/images/highlights/2024/Yale-Image.jpg?h=486&w=485&la=en&hash=4F29DD2C3716CA10086EB2D1DC0774189A7150576120EBAF59FCE9B0B4F2AA31)
Discovery Sheds Light on the Origins of Matter in the Early Universe
A new calculation helps scientists understand how matter formed out of the hot, dense soup of subatomic particles created by the Big Bang.
![Charge radii differences in mirror nuclei, which have opposite numbers of protons and neutrons, can help constrain parameters for the equation of state nuclear matter, which describes the properties of astrophysical objects such as neutron stars.](/-/media/np/images/highlights/2024/MIT-Image.jpg?h=1075&w=1666&la=en&hash=CF11E46A2DAD735356D7207C00B541A1D004404D602F6825209CD02B1E324252)
“Mirror” Nuclei Help Connect Nuclear Theory and Neutron Stars
Charge radii measurements of silicon isotopes test nuclear theories and guide descriptions of nuclear matter.