Physics P1 - Applications of conservation laws

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6 Terms

1
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What properties must be conserved in particle interactions?

- Energy
- Momentum
- Charge
- Baryon number
- Electron lepton number
- Muon lepton number

2
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When must strangeness be conserved?

In strong interactions.

3
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What is the exchange particle for beta-minus decay?

W-

4
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What is the exchange particle for beta-plus decay?

W+

5
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What occurs in beta-minus decay?

A neutron changes to a proton, therefore a down quark changes to an up quark.

6
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What occurs in beta-plus decay?

A proton decays into a neutron, therefore an up quark changes to a down quark.