16440067
| Questão | Responda |
| Forces between particles are thought to be mediated by the..... | Exchange or other particles between them |
| Some of these can't be directly detected and are called.... | Virtual particles |
| The exchange particle for electromagentic force is.... | Gamma photon |
| The weak force is mediated by a particle called a.... | W boson |
| The exchange particle of the strong force is a .... | Pion (note hadrons are subject to strong force) |
| What is the mass, range and charge on a gamma photon? | Massless, infinite range and no charge |
| What is the mass, range and charge on a W boson? | Non-zero rest mass, very short range (maximum 0.001fm) and either positive or negative charge (W+ or W-) |
| Beta- decay Feynman diagram | |
| Beta+ decay Feynman diagram | |
| Electron capture Feynman diagram | |
| Electron-Proton collisions Feynman diagram | |
| The only stable baryons are..... | Protons (everything else decays into protons) |
| What is electron capture? | Where an orbital electron interacts with photon in nucleus via weak interaction forming neutron |
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