3 items with this tag.
C38-4 Ernest Rutherford demonstrated with alpha particles in gold foil the scattering before passing to a screen or scintillator Due to the presence and density of large-angle scattering determined the presence and length of the nucleus.
C38-4 A heavy emission from radioactivity material system consisting of two protons two neutrons In AZE notation, $${}_2^4\text{He}$$ with zero nuclear spin.
C38-4 EmergingTechnology A measurement device in the form of a kind of material to detect radioactivity and high-energy subatomic particle.