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12 Cards in this Set
- Front
- Back
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What happens when a particle meets is antiparticle? |
They are annihilated Two gamma ray photons are produced Masses are converted into energy |
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What are the exchange particles, what is their corresponding Fundamental force and what is their nature? |
Photon, acts between charged particles, electromagnetic
Gluon, acts between quarks, strong
W+, W-, Z⁰ , radioactive decay and nuclear fusion, weak
Graviton, acts between particles with mass, gravity |
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Describe beta decay |
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Describe two electrons meeting |
The electrons repel each other |
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Describe the decay of a proton into a neutron |
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Describe electron capture |
An electron is absorbed by a proton within a nucleus |
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Describe an electron proton collision |
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Describe proton-neutron binding |
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What is a meson? |
A quark-antiquark pair |
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What is the quark-antiquark combinations for mesons? |
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When is strangeness conserved? |
Conserved in the production of strange particles but not in their decay. (Produced by strong interaction , decays by weak interaction) |
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What is deep-inelastic scattering? |
Firing electrons at protons at very high energies. Kinetic energy is converted into mass as the protons shatter. Producing new particles. |
