Exchange Particles and Feynman Diagrams

Pregunta	Respuesta
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	Image: Capture (binary/octet-stream)
Beta+ decay Feynman diagram	Image: Capture (binary/octet-stream)
Electron capture Feynman diagram	Image: Feynman Diagrams 9 728 (image/jpeg)
Electron-Proton collisions Feynman diagram	Image: Capture (binary/octet-stream)
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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	Creado por Doc Boff hace casi 6 años