Browse Physics

Researchers test a candidate nuclear model against $126$ neutron-rich isotopes.

Laser spectroscopy of cadmium isotopes confirms the applicability of the nuclear shell model, even for very complex structures.

The discoverers of element 117 have followed through with a year-long study of the lifetime and decay products of the newest superheavy element.

Gamma-ray spectroscopy of the superheavy nucleus ${}^{256}$Rutherfordium reveals details of its nonspherical shape and internal structure—the heaviest element for which such information has been obtained.

Measurements of radioactive, neutron-rich isotopes of argon are paving the way for experiments at new facilities that will explore the neutron dripline.

New scattering experiments provide evidence for the long-suspected existence of an excited rotational state in carbon-$12$, related to a state that’s crucial in stellar fusion reactions.

Experimentalists can now determine rates of electron capture in unstable nuclei, providing crucial information for star collapse simulations.

The series of reactions that leads to the production of carbon in stars was predicted more than sixty years ago, but theorists have struggled to reproduce this process from first principles calculations.

New mass measurements of proton-rich nuclei will allow scientists to more accurately simulate the nucleosynthesis that occurs on the surface of neutron stars.

The rapid cooling of a neutron star signals a superfluid at its core.

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

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.

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 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.

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.

Taking into account a tensor force between nucleons in the nucleus provides a more definite description of the average potential experienced by nucleons and the effective residual interaction between them.

A recent theory of high-energy bottom quark jet quenching in nuclear collisions accentuates the novelty of heavy quark jet dynamics in strongly coupled quark-gluon plasmas discovered at the Relativistic Heavy Ion Collider.

The STAR detector at RHIC has measured a signal that may indicate parity violation occurs in metastable regions of the superdense matter.