Alpha Particle 13 : Nuclear Energy and Nuclear Disasters. A positively charged particle ejected spontaneously from the nuclei of some radioactive atoms. It is identical to a helium nucleus - it contains two protons and two neutrons
Training Resources And Data Exchange (TRADE), Emergency Management Issues Special Interest Group Glossary Task Force, Glossary and Acronyms of Emergency Management Terms (3rd Ed.), Prepared under a contract between/for the Office of Emergency Management US Department of Energy and Oak Ridge Associated Universities (ORAU), TRADE/EMI SIG 1999. https://orise.orau.gov/emi/training-products/files /glossary-emt.pdf, (Emr Mgt/ Haz Mtrl (Rad and Non-Rad) - Amer) {483}