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Physics > Paticles And Radiation > Flashcards

Paticles And Radiation Flashcards

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1
Q

What is the Nucleon number?

A

The number of protons and neutrons added ( the mass number)

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2
Q

What is the equation for specific charge?

A

Specific charge = charge/mass

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3
Q

What is ththehehehehehe isotope?!

A

An atom with the same number of protons but different number of neutrons

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4
Q

What is ththehehehehehe isotope?!

A

An atom with the same number of protons but different number of neutrons

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5
Q

What is an exchange particle?

A

A virtual particle that carries the forces such as Strong/Weak nuclear, Gravitational and Electromagnetic.

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6
Q

What is the range and strength of the Gravitational force?

A

The range is infinite.
The strength is 10^-36

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7
Q

What is the relative strength of Strong Nuclear?

A

1

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8
Q

What is the range of strong nuclear?

A

10^-15

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9
Q

What is the range and strength of Electromagnetic forces?

A

Infinite range
10^-2

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10
Q

What is the range and strength of Electromagnetic forces?

A

Infinite range
10^-2

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11
Q

What are the exchange particles for :
Strong nuclear?
Electromagnetic?
Weak Nuclear?
Gravitational?

A

Strong nuclear: Gluons between quarks/Pions between Baryons
Electromagnetic: Virtual photon
Weak nuclear: W^+ / W^- / Z^0
Gravitational: Graviton

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12
Q

What acts upon…
…Strong nuclear?
…Electromagnetic?
…Weak Nuclear?
…Gravitational?

A

Strong nuclear: Nucleons
Electromagnetic: Charged Particles
Weak Nuclear: All particles
Gravitational: Particles with masses

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13
Q

What is released in alpha decay?

A

An alpha particle which has a Nucleon number of 4 and a proton number of 2

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14
Q

What is released in beta decay?

A

A neutron decays into a proton which is kept and an electron in beta minus decay or positron is released in beta plus decay.

An anti enti electron neutrino is released in beta minus and a electron neutrino.

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15
Q

What is released in beta decay?

A

A neutron decays into a proton which is kept and an electron in beta minus decay or positron is released in beta plus decay.

An anti enti electron neutrino is released in beta minus and a electron neutrino.

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16
Q

What is the bayron number of a lepton?

A

0

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17
Q

What is the bayron of a quark and anti-quark?

A

For a quark the bayron number is 1/3
For an anti-quark the bayron number is -1/3

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18
Q

What is the bayron of a quark and anti-quark?

A

For a quark the bayron number is 1/3
For an anti-quark the bayron number is -1/3

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19
Q

How many quarks in a bayron and meson?

A

Bayron: 3
Meson: 2

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20
Q

What is sigma?

A

I hate Felix Forensic Foreskin

U U S

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21
Q

What are the different Leptons?

A

Electron/Positron
Electron Neutrino/ Anti Electron neutrino
Muon/Anti Muon
Muon Neutrino/ Anti Muon Neutrino
Tauon/ Anti Tauon
Tauon Neutrino/ Anti Tauon Neutrino

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22
Q

What quantities must be conserved?

A

Charge, Bayron number and Lepton number

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23
Q

What is the exchange particle involved in the weak nuclear?

A

Boson W^+ and W^-

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24
Q

What exchange particle is involved in electromagnetic force?

A

(Vitual) Photon

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25
Q

What exchange particle is involved in electromagnetic force?

A

(Virtual) Photon

26
Q

What is the exchange particle involved in gravity?

A

Graviton

27
Q

What is a Feynman diagram?

A

A diagram that visualises interactions between particles

28
Q

What is the π stand for in particle physics?

A

Pion

29
Q

What is the symbol for a photon?

A

γ

30
Q

What is the symbol for a neutrino?

A

V

31
Q

The is the properties of the Up quark

A

Charge: +2/3
Bayron number: +1/3
Strangeness: 0

32
Q

What is the properties of the down quark?

A

Charge: -1/3
Bayron number: +1/3
Strangeness: 0

33
Q

What is the properties of the strange quark?

A

Charge: -1/3
Bayron number: +1/3
Strangeness: -1

34
Q

What are the categories of hadrons?

A

Baryons and mesons

35
Q

What is the only stable of Baryon?

A

Proton

36
Q

What are the two types of Baryons?

A

Neutron, Proton

37
Q

What is the quark structure of a neutron?

A

UDD

38
Q

What is the structure of a proton?

A

UUD

39
Q

What are types of Mesons?

A

Pions, Kaons

40
Q

What is heavier a lepton or hadron?

A

Hadron

41
Q

What is a baryons made of?

A

Three quarks

42
Q

What is a meson made of?

A

A quark and an anti-quark

43
Q

What are all the Leptons?

A

Electron
Electron Neutrino
Muon
Muon Neutrino
Tauon
Tauon Neutrino

44
Q

What are the three conservation laws for particle interaction?

A

Charge
Baryon
Lepton
Strangness

45
Q

How to work out how much rest energy there is?

A

E = m c^2

46
Q

What is annihilation?

A

When a particle and there respective antiparticle collide they destroy each other and all mass is converted into energy in the form of two photons?

47
Q

A Proton turns into a neutron what are the byproducts of this type of decay?

A

A positron and an electron Neutrino

48
Q

What happens in beta minus decay?

A

A neutron decays into a proton and a beta minus/ electron is released with an anti electron neutrino

49
Q

What happens when to electrons get close?

A

A virtual photon carries the electromagnetic force and caused them to repel

50
Q

What is the symbol u mean ( not up )

A

Muon

51
Q

At what distance is strong nuclear stronger than weak nuclear ( electrostatic)

A

Between 0.5 and 3 femptometers

52
Q

What happens in the strong interaction between a proton and neutron?

A

A Proton and neutron are attracted by the strong nuclear force with the exchange of a neutral charged pion

53
Q

What happens in the electromagnetic interaction between two electrons!

A

The two electrons repel with the exchange of a (virtual) photon

54
Q

What happens in beta minus decay?

A

A neutron decays into a proton and due to the weak interaction (w^-) an electron and anti electron Neutrino is released

55
Q

What happens in beta plus decay?

A

A Proton decays with the weak nuclear force (w^+) into a positron and an electron Neutrino

56
Q

What is the properties of the k + meson

A

+1 charge 1+ strangness

57
Q

What is the difference of a kaon and pion?

A

Kaon is strange and pion isn’t

58
Q

What is charge of protons or electron?

A

1.6 x 10^-19

59
Q

What is the mass of a proton or neutron?

A

1.67 x 10^-27

60
Q

What is the mass of the electron?

A

9.11 x 10^-31

Physics (4 decks)

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