Particles

Question 1

State the quark composition of a meson

Answer 1

Quark and anti quark

Question 2

K- baryon number

Answer 2

0

Question 3

K- quark composition

Answer 3

Anti up and strange

Question 4

Which interaction is responsible for this decay

Answer 4

Weak

Question 5

State 2 quantities that are conserved and 1 that is not

Answer 5

C:baryon
C:charge
N: strangeness

Question 6

Complete the equation

Answer 6

K- ——-> pion + e- + anti electron neutrino

Question 7

Complete the table

Answer 7

Weak W+ W- z0

Electromagnetic photon

Question 8

Proton quark composition

Answer 8

Uud

Question 9

What is electron capture

Answer 9

When an unstable atom becomes more stable by taking an electron from a shell

Question 10

Feynman diagram electron capture

Answer 10

N. Be

P. E-

Question 11

Fundamental force and its exchange particle

Answer 11

Weak interaction

Z0

Question 12

What role do exchange particles play in an interaction.

Answer 12

They can transfer energy and momentum

Question 13

Identify all examples

Answer 13

Hadrons p anti-n pion
Lepton ve e+ u-
Antiparticle anti n e+
Charged p e+ u-

Question 14

Show this collision obeys

Answer 14

K + p = n + pion
B 0. 1. 1. 0
L. 0. 0. 0. 0
C 0. 1. 0. 1

Question 15

Right down the quark structure

Answer 15

K0 anti strange down
Pion plus up anti down
P Urdu

Question 16

Complete the table

Answer 16

Proton +1 1
-1 1
Pion plus +1
I

Question 17

Give one baryon abs it’s anti particle

Answer 17

Proton

Anti proton

Question 18

State the quark composition of an anti baryon

Answer 18

3 anti quarks

Question 19

What is the same abs what is different about a particle and it anti particle

Answer 19

Mass same

Charge different

Question 20

Name 2 baryons

Answer 20

Proton neutron

Question 21

Quark structure of pion plus

Answer 21

u anti d

Question 22

One characteristics of a strange particle that makes it different

Answer 22

It has a strange quark

Question 23

Which is not possible

Answer 23

Second lepton is not conserved

Question 24

State the interaction responsible

Answer 24

Weak

Question 25

Why must the particle be neutral

Answer 25

Pion. P | -1. +1

Question 26

Is x a meson lepton or baryon

Answer 26

``` Baryon X. = p + negative pion C 0. +1. -1 L 0. 0. 0 B+1 +1. 0 ```

Question 27

Which particle is most stable

Answer 27

Proton

Question 28

Underline the particles

Answer 28

Positron Neutron Neutrino Positive pion

Question 29

Underline the particle

Answer 29

Electron Proton Negative muon

Question 30

Complete the equation | For it negative

Answer 30

E- Anti electron nutrino Vu

Question 31

Complete the Feynman diagram

Answer 31

Ve. N. P.

Question 32

State the difference between leptons and hadrons

Answer 32

Leptons are fundamental | Hadrons are not

Question 33

Give a non strange hadron and a lepton

Answer 33

Hardon proton | Lepton Electron

Question 34

The 2 hadron groups and the differences between them

Answer 34

Baryon have 3 quarks | Mesons have anti and regular quark

Question 35

Show how conservation laws are conserved

Answer 35

P + e- = n + ve L0+1. 0+1 C+1-1 00 B1 0. 1. 0

Question 36

What properties define a hadron

Answer 36

It experiences the strong force

Question 37

What is a baryon quark structure

Answer 37

3 quarks

Question 38

A mesons quake structure

Answer 38

Quark and anti quark

Question 39

Anti particle and particle differences

Answer 39

Similar mass | Different charge

Question 40

Complete the table for anti proton

Answer 40

1.6x10-19 -1 Anti u anti u anti d

Question 41

How does this decay

Answer 41

Weak

Question 42

What properties are conserved

Answer 42

Charge and baryon

Question 43

3 combinations quark can form

Answer 43

Anti up up Up up up Anti up anti up anti up

Question 44

Give the quark combinations for pion and anti proton

Answer 44

Pion up anti down | P anti d anti u anti u

Question 45

What particle will it decay into

Answer 45

Proton

Question 46

Complete the Feynman diagram

Answer 46

N. Ve P

Question 47

What is the exchange particle for electromagnetic

Answer 47

Photon

Question 48

Difference between weak and elctro exchange particle

Answer 48

Photons have infinite range and no charge

Question 49

What is an anti particle

Answer 49

When all a particle properties are inverted but mass

Question 50

Write down the anti particles

Answer 50

Pion K with line Y

Question 51

How does the elctronmagentic force work

Answer 51

The electromagnetic force uses photons to transfer energy

Question 52

What particle must collide with a proton for anhilation

Answer 52

Anti proton

Question 53

How many quarks does E have

Answer 53

3

Question 54

Which interaction will it decay through

Answer 54

Weak

Question 55

What will it decay into

Answer 55

Proton