A recent experiment in Germany studied the helium-4 nucleus, also known as an alpha particle. Helium-4 consists of only two protons and two neutrons, making it relatively easy to describe using ...

For example, the isotope radium 226 (one of the lightest alpha emitters, with atomic number 88) emits an alpha particle of 4.78 million electron volts (MeV), ...

Demonstration of alpha particle confinement capability in helical fusion plasmas. National Institutes of Natural Sciences. Journal Nuclear Fusion DOI ...

Targeted alpha therapy shreds the DNA of cancer cells by using radioactive alpha particles, which researchers say are more powerful at killing cancerous tumours than comparable existing treatments ...

Scientists working at the Relativistic Heavy Ion Collider have announced that they have detected the heaviest known particle of antimatter to date - an anti-helium nucleus, or anti-alpha particle ...