The Standard Model of Particles and Interactions III

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The Standard Model of Particles and Interactions III- Towards The Standard Model Elsayed Ibrahim

The Standard Model of Particles and Interactions III- Towards The Standard Model Elsayed Ibrahim Lashin 26 April 2014 1

The gauge symmetries of the Standard Model 2

The gauge symmetries of the Standard Model 2

The gauge symmetries of the Standard Model 3

The gauge symmetries of the Standard Model 3

The gauge symmetries of the Standard Model 4

The gauge symmetries of the Standard Model 4

The lagrangian of the Standard Model 5

The lagrangian of the Standard Model 5

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Finally the Higgs has been found in 2012, which is the last missing piece

Finally the Higgs has been found in 2012, which is the last missing piece in the Standard Model. 7

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The S-matrix 12

The S-matrix 12

Link to observables 13

Link to observables 13

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The CKM matrix 18

The CKM matrix 18

Lots still not understood! • How to calculate predictions for the hard questions in

Lots still not understood! • How to calculate predictions for the hard questions in QCD? • What happens at nearby energies to allow the force couplings to unify at much higher energy? SUSY? • What causes the fermions to have the observed mass pattern? • What about neutrinos 19

Lots still not understood! • What gives the universe matter excess over antimatter? •

Lots still not understood! • What gives the universe matter excess over antimatter? • What particles make up most of the (dark) mass of the universe? • Where did the “dark energy” come from? • What about gravity? 20

References In preparing this presentation I used the following lectures and presentations 1. Four

References In preparing this presentation I used the following lectures and presentations 1. Four Lectures Leading to the Standard Model of Particle Physics - A Paradigm, 2001 2. The future of particle physics, S. King 2004 Sumer school lectures by Geraldine Servant 3. Sumer school lectures by Geraldine Servant , 2012. 21

Summary Standard Model of Particles SM particles andSummary Standard Model of Particles SM particles and
Standard Model for Subatomic Particles Elementary Fundamental ParticlesStandard Model for Subatomic Particles Elementary Fundamental Particles
Standard I Standard VIIIE Standard III Standard VStandard I Standard VIIIE Standard III Standard V
Particles Radioactivity and particles c Particles describe theParticles Radioactivity and particles c Particles describe the
The Standard Model of Particles and Interactions IThe Standard Model of Particles and Interactions I
The Standard Model of Particles and Interactions IanThe Standard Model of Particles and Interactions Ian
Standard model of fundamental particles and interactions SMUStandard model of fundamental particles and interactions SMU
Calorimetry The Standard Model Particles Numerology Electromagnetic InteractionsCalorimetry The Standard Model Particles Numerology Electromagnetic Interactions
The Elementary Particles The Basic Interactions of ParticlesThe Elementary Particles The Basic Interactions of Particles
Standard Model of Particles What is the standardStandard Model of Particles What is the standard
PORTFOLIO Standard 1 Standard 2 Standard 3 StandardPORTFOLIO Standard 1 Standard 2 Standard 3 Standard
PORTFOLIO Standard 1 Standard 2 Standard 3 StandardPORTFOLIO Standard 1 Standard 2 Standard 3 Standard
AntigenAntibody Interactions AntigenAntibody Interactions Strength of AgAb interactionsAntigenAntibody Interactions AntigenAntibody Interactions Strength of AgAb interactions
HOSTPARASITE INTERACTIONS ECOLOGICAL RELATIONSHIPS Microbial Interactions HostParasite InteractionsHOSTPARASITE INTERACTIONS ECOLOGICAL RELATIONSHIPS Microbial Interactions HostParasite Interactions
HOSTPARASITE INTERACTIONS ECOLOGICAL RELATIONSHIPS Microbial Interactions HostParasite InteractionsHOSTPARASITE INTERACTIONS ECOLOGICAL RELATIONSHIPS Microbial Interactions HostParasite Interactions
Lecture 2 Standard DEB model Standard DEB modelLecture 2 Standard DEB model Standard DEB model
Section VII The Standard Model The Standard ModelSection VII The Standard Model The Standard Model
Lecture 10 Standard Model Lagrangian The Standard ModelLecture 10 Standard Model Lagrangian The Standard Model
Introduction to The Standard Model The Standard ModelIntroduction to The Standard Model The Standard Model
STANDARD MODEL Quark Lepton STANDARD MODEL proton neutronSTANDARD MODEL Quark Lepton STANDARD MODEL proton neutron