Particle Physics Flashcards

1

What is the symbol for xi-minus

Ξ_
ȣi-
Ξ−
Ξ∸

2

Leptons are...

Neither
Not fundamental
Nearly fundamental
Fundamental

3

state the quark substructure of a neutron

udd
ddu
dmu
dud

4

what is the difference between a baryon and a meson?

baryon is the smallest and meson is the largest?
there are no differences they are the same?
baryon is the largest and meson is the smallest.
they are both hadrons?

5

Mesons and baryons are types of...

Neutrinos
Amtineutrinos
Hadrons
Leptons

6

Which of the following is a baryon

ds
duu
ccc
bgis

7

Why was strangness introduced

Its an antiparticle of strange
It was an accidental discovery
They needed another member of the family
To explain unusual properties of particles

8

what is the opposite of an electron?

positron
antineutrino
negative electron
neutron

9

The theory of quarks interacting with gluons is called...

Quantum chromorhythm
Quantum chromotexture
Quantum chromodynamics
Quantum chromostructure

10

The new quantum number was called...

Colour
Shape
Neutronic number
Quantum number

11

Why dont baryons or mesons have colours

They are quarks
They are hadrons
They are negative electrons
They are positive protons

12

What distinguishes a hadron from other subatomic particles

They experience all of the forces
The others experience all of the other forces
They dont experience all of the forces
They experience some of the forces

13

what is the sign for Lambda?

Λ
Δ
ø
Ξ

14

Mesons and baryons are...

Fundamental
Nearly fundamental
Neither
Not fundamental

15

What is the opposite of a proelectron

Positron
There isnt one
Anti electron
Neutrino

Particle Physics

Questions 15

Particle Physics

Questions 15