building blocks of matter. - fundamental particle, bosons - particles which carry a force (and energy)., leptons - elementary particles not made of quarks., quarks - fundamental particle which combine to form other particles such as protons (uud) and neutrons (udd), Weak force - responsible for radioactive decay including one particle turning into another., virtual particle - particles which cannot be detected easily., Force carriers - exchanged when a force acts. They are often virtual particles., feynman diagram - shows what happens when elementary particles collide (usually time increases as you go up the diagram)., electron capture - proton rich nucleus absorbs an inner electron. Proton turns into a neutron and a neutrino is released.,

Standard Model

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