Nuclear and Particle Physics Flashcards Preview

A Level Physics Edexcel > Nuclear and Particle Physics > Flashcards

Flashcards in Nuclear and Particle Physics Deck (16)
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1
Q

What is conserved during Nuclear decay?

A
Mass and Energy
Momentum 
Charge
Baryon number 
Lepton number
Strangeness
2
Q

What is Binding Energy?

A

The energy required to separate an atom into its consistent parts.

3
Q

What is the definition for Nuclear Activity?

A

The rate at which a source emits radioactive particles.

One particle emitted per second is called a Becquerel.

4
Q

What is the definition for Decay Constant?

A

Relates activity to the number of nuclei

5
Q

What quarks are a proton made of?

A

Up Up Down

6
Q

What quarks are a neutron made of?

A

Up Down Down

7
Q

What are the three main particle detectors?

A

Geiger-muller
Cloud chamber
Bubble chamber

8
Q

What do particle detectors need to be able to detect?

A

Charge, Momentum, Direction, Multiple particles in rapid succession

9
Q

What are leptons?

A

Fundamental particles.

10
Q

What are Fermions?

A

Matter particles.

11
Q

What are baryons?

A

Particles made of 3 quarks or anti quarks.

12
Q

What are Mesons?

A

Particles made of quark and anti-quark pairs.

13
Q

What are Bosons?

A

Force carrier particles.

14
Q

What are Hadrons?

A

Made up of quarks and anti-quarks which experience a strong nuclear force.

15
Q

What is Annihilation?

A

Mass is lost and transferred into energy.

Electron + Positron = Photon

16
Q

What is Pair production?

A

Energy is transferred into mass.

Photon = Electron + Positron