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Gamma ray is a type of radiation that has no mass & no charge. Gamma rays have a high penetrating power. Text us. Tags: gamma ray, radiation, mass. Wednesday, February 01 2012.
between the energy , momentum , and angular momentum of the initial and final particles. Neutrinos are elementary particles that travel close to the speed of light , lack an electric charge, are able to pass through ordinary matter almost undisturbed and are thus extremely difficult to detect. As of 1999, it is believed neutrinos have a minuscule, but non-zero mass. The current name neutrino was coined by Enrico Fermi , who