Terms to know ■ Electron(电子 Particles(粒子) a Elementary vector bosons(玻色子) a Gamma()(y射线) a Hadrons(强子) Isobars(同质异位素) a isomeric transition(同质异能跃迁) 2005-9-13 NECPKU, C L, Liu
Terms to know Isotones(同中子素) Isotopes(同位素) Mass excess(质量过剩) Mass number(质量数) Mesons(介子) Neutron(中子) Neutron activation(中子活化) 北才浮 2005-9-13 NECPKU, C L, Liu
Terms to know Nuclear chemistry(核化学) ■ Nuclear fission(核裂变) Nuclear isomers(同质异能素) Nucleons(核子) ■ Nucleus(核) Nuclide(核素) Parent(母体) 北才浮 2005-9-13 NECPKU, C, L Liu
Terms to know Positron(正电子) Proton (质子) Quarks (夸克) Radioactive(放射性) a Radiochemistry(放射化学) ■ Radionug|ide(放射性核素) Transmutation(嬗变) 北才浮 2005-9-13 NECPKU, C L
Symbols for Particles and radiation P proton 1H nucleus n neutron particle of zero charge and a=1 d deuteron 2H nucleus T triton nucleus -a alpha particle He nucleus electron Electron from atomic orbitals β negatron Negative electron emitted by the nucleus β+ positron Positive electron emitted by the nucleus y Gamma ray Electromagnetic energy(photon) emitted by the nucleus X ray xray Electromagnetic energy emitted as a result of electron transitions in the atomic orbitals Neutrino(中微子) Emitted inβ- decay processes(2 types) 北才浮 2005-9-13 NECPKU, C L, Liu