The assumption that the attractive nuclear force is independent of the charge of the individual nucleons between which it acts is one of the fundamental tenets of nuclear structure. This ...

Other forces, such as electromagnetism, broke isospin symmetry, which explained the nucleons' differences As Eugene Wigner wrote of the isospin concept in a 1937 paper, “no such states are known ...

This study explored the influence on low-energy fusion processes of isospin composition. This is a key nuclear property that differentiates protons from neutrons. The researchers used ...

Just as people behave differently as couples than as individuals, protons and neutrons (also known as nucleons) inside the nucleus of the atom behave differently in pairs. Just as people behave ...

Now, nuclear physicists conducting experiments at the U.S. Department of Energy's Thomas Jefferson National Accelerator Facility have found new and unexpected cases of broken isospin symmetry.

A halo is an exotic nuclear structure found in weakly bound nuclei, characterized by one or more valence nucleons that display ... the researchers found isospin symmetry breaking in some (near ...