1 Particle Classification

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Last updated 7:57 PM on 9/29/26
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7 Terms

1
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What are the two main classes of particles?

Fermions and Bosons.

2
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What are hadrons made of?

Quarks and antiquarks.

3
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<p>What are the two types of hadrons?</p>

What are the two types of hadrons?

Baryons (3 quarks) and Mesons (quark–antiquark pair).

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Which hadron is stable in free space?

The proton.


Al other hadrons are unstable in free space

5
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What do Mesons decay into?

Leptons & Photons

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What do baryons decay into?

p(or p̄) (protons), leptons and photons

7
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What is the formula for Baryon number?

  • B= Baryon number

  • N(q) — the number of quarks in the system.

  • N(qˉ) — the number of antiquarks in the system.

  • 1/3 — because one baryon contains three quarks,


<ul><li><p>B= Baryon number</p></li></ul><ul><li><p><span>N(q) — the <strong>number of quarks</strong> in the system.</span></p></li><li><p><span>N(qˉ) — the <strong>number of antiquarks</strong> in the system.</span></p></li><li><p>1/3 — because <strong>one baryon contains three quarks</strong>, </p></li></ul><p></p>