The Standard Model

Question 1

Quarks and leptons are which particles?

Answer 1

The matter particles

Question 2

Bosons are which particles?

Answer 2

Force mediating particles

Question 3

The quark model includes the properties of

Answer 3

Charm, topness and bottomness

Question 4

The properties of all hadrons can be described in

Answer 4

Terms of the quark model

Question 5

The two types of hadrons are known as

Answer 5

Baryons and mesons

Question 6

Baryons are made of

Answer 6

Three quarks

Question 7

Neutrons and protons are examples of

Answer 7

Baryons

Question 8

Protons and neutrons are not

As

Answer 8

Fundamental particles themselves

As they consist of constituents called quarks

Question 9

All hadrons are thought to be

Consequently

Answer 9

Unstable to some degree

Subject to decay

Question 10

The strong interaction can be used to explain the

Answer 10

Forces between hadrons

Question 11

During nuclear reaction, the electrical charge of a hadron is

Answer 11

Conserved

Question 12

During an interaction baryon number is

Answer 12

Conserved

Question 13

Protons and neutrons are baryons with

Answer 13

Baryon number 1

Question 14

Neutrons and protons within a nucleus are

Answer 14

Relatively stable

Question 15

Free neutrons are

And decay to produce

Answer 15

Unstable, with a half life of approximately fifteen minutes

A proton and a beta particle

Question 16

The half life of free protons is thought to be

Answer 16

Of the order of 10^32 years

Question 17

All mesons are made up of

Answer 17

Two quarks

Question 18

Examples of mesons are

Answer 18

Pions and Kaons

Question 19

Electrons and neutrinos are members of

Answer 19

The fundamental particle group known as leptons

Question 20

Bosons are both

Answer 20

Fundamental particles and force mediating particles

Question 21

The four fundamental forces are

Answer 21

Strong
Weak
Gravitational
Electromagnetic

Question 22

Bosons enable

Answer 22

Fundamental forces to act

Question 23

During B+ decay

Answer 23

Positrons and neutrinos are produced

Question 24

During B- decay

Answer 24

Electrons and antineutrinos are produced

Question 25

Beta decay is caused by

Answer 25

A weak interaction involving quarks

Question 26

The three fundamental particles are

Answer 26

Bosons, Leptons and Quarks