Contents
Part I
1
1 Introduction
3
2 Particles as Building Blocks of Matter
7
2.1
Protons and Electrons
8
2.2 Add the Neutron
12
2.3 Particle Spin
13
2.4 Particle Helicity
14
2.5 Stable and Unstable Particles
15
2.6 Matter and Anti-Matter from Einstein’s Theory of
Relativity: The Power of an Algebraic Sign
16
3 From Protons and Neutrons to a Zoo of Particles
21
3.1
Looking Inside Protons and Neutrons with High
Energy Colliders
21
3.2 Particles from Cosmic Rays
24
4 Order in the Zoo and Quarks
27
4.1
Eightfold Way and Quarks Inside Baryons and
Mesons
27
4.2 Baryons Have Their Own Markers, the Baryon
Number (B)
30
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