Browse Physics

New experiments studying nuclear fission yield unexpected results.

A one of a kind radioactive beam experiment yields new insight for neutron-rich nuclei.

An advance in computational techniques for performing nuclear shell model calculations points to an island of inversion near chromium-64.

An international team has solved an essential part of a long-standing discrepancy in the electromagnetic decay heat that occurs after fission of the nuclear fuel component plutonium.

Long-lived excited states of some neutron-rich nuclei can now be discovered, trapped, and stored.

More accurate predictions of the silicon content in meteoritic grains allow for a better understanding of the exploding stars that produced them.

A new calculation scheme speeds up the solution of problems involving interactions between nuclei and giant resonance phenomena.

Experiments point to order in parts of the nuclear spectrum believed to be chaotic in nature.

In highly neutron deficient isotopes of lead, the normally stabilizing effects of a closed proton shell break down.

Refining a cosmic clock gives a more accurate reading of the age of our galaxy.

Theorists gain insight into how the quark-gluon plasma distinguishes left from right.

New calculation of quark matter properties tells us what an exotic quark-neutron star might look like.

New calculations of the effects of asymmetry in numbers of neutrons and protons in nuclei agree well with experiment and provide vital information in understanding nuclear matter at low density.

A theoretical model can now accurately explain pions produced by the scattering of electrons off nucleons over a wide energy range.

An effective field theory on a lattice is applied successfully to nuclei as large as carbon-12.

A collaboration of Russian and US physicists has created the superheavy element 117, an experimental achievement that fills in the final gap on the list of observed elements up to element 118.

Argonne National Lab’s new spectrometer, designed to study reactions in short-lived nuclei, presents its first experiments.

Researchers at the Relativistic Heavy Ion Collider have now measured the temperature of hot dense matter created in a nuclear collision.

Observation of a two-neutron halo in ${}^{22}\text{C}$ makes it the heaviest “Borromean” nucleus yet observed.

Calculations that account for the Coulomb interaction provide a more complete picture of proton-deuteron scattering.