Theoretical calculations predict a complex excited state (0+) for helium-4 (4He) at the 20.21 MeV energy level. This state involves a coupling of three cluster configurations: hydrogen-3 and a proton, ...

Alpha spotter the study was done using the Grand Raiden spectrometer at Osaka’s Research Centre for Nuclear Physics. (Courtesy: Thomas Aumann/TU Darmstadt) “Alpha clusters” resembling helium-4 nuclei ...

Antimatter particles are mirror versions of matter particles, with the opposite values of properties such as electric charge.

Scientists mix plasmas of antiprotons and positrons in a magnetic bottle called a Penning-Malmberg trap. When these particles ...

This is an example track of an alpha particle (energy 15 MeV) from the test beam registered with the demonstrator detector mini-eTPC. Read-out electrodes of the detector are parallel to the X-Y plane, ...

This process works best when the antiprotons and positrons have very low kinetic energies (temperatures) when combined. If the energy is too high, many antiatoms will be escape the trap. So, it is ...