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Year 12 and 13 Physics > Particle physics (Baryons and mesons) > Flashcards

Particle physics (Baryons and mesons) Flashcards

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1
Q

Define a hadron

A

A hadron is a particle that is made of quarks and can experience the strong nuclear force

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2
Q

Which type of particle is made of quarks and can experience the strong nuclear force?

A

A hadron

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3
Q

Define a baryon

A

A baryon is a particle made up of 3 quarks
An antibaryon is a particle made up of 3 antiquarks

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4
Q

Which particle is made of 3 quarks?

A

A baryon

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5
Q

Define a meson

A

A particle made of a quark and an antiquark

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6
Q

Which type of particle is made of a quark and an antiquark?

A

A meson

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7
Q

What is the most stable hadron?

A

A proton

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8
Q

Which mesons have no strange quarks or antiquarks

A

Pions (π)

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9
Q

Which meson contains an up quark and an antidown quark?

A

π⁺

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10
Q

What is a π⁺ meson made of?

A

An up quark and an antidown quark

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11
Q

Which meson contains an up quark and an antiup quark?

A

π⁰

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12
Q

Which meson contains a down quark and an antidown quark?

A

π⁰

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13
Q

What is a π⁰ meson made of?

A

An up quark and an antiup quark or a down quark and an antidown quark

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14
Q

Which type of meson contains 1 strange or antistrange quark?

A

Kaons (K)

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15
Q

Which meson contains an up and an antistrange quark?

A

K⁺

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16
Q

What is a K⁺ meson made of?

A

An up quark and an antistrange quark

17
Q

Which meson contains a down and an antistrange quark?

A

K⁰

18
Q

Which meson contains a strange and an antidown quark?

A

K⁰

19
Q

What is a K⁰ meson made of?

A

A down and an antistrange quark or a strange and an antidown quark

20
Q

Which meson contains a strange and an antiup quark?

A

K⁻

21
Q

What is a K⁻ meson made of?

A

A strange and an antiup quark

22
Q

Which meson is made of a strange and an antistrange quark?

A

Eta particle (η⁰)

(Like a high energy π⁰)

23
Q

What is the name for the hadrons that aren’t protons or neutrons?

A

Hyperons

24
Q

What is the baryon number of a baryon?

A

B = +1

25
Q

What is the baryon number of a meson?

A

B = 0

26
Q

Mesons are their own _____

A

Antiparticles

Year 12 and 13 Physics (9 decks)

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