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Page 1: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

42 Particle Physics Phenomenology

Udom Robkob, Physics-MUSC

April 26, 2017

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 1 / 18

Page 2: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Today Topics

The building block of all matters

Particle accelerators and detectors

High energy particles

Quark structure

Standard model and fundamental interactions

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Page 3: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

The Building Block of all Matters

One has periodic table of all elements found on Earth that form to beall matters

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Page 4: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

The Building Block of all Matters

Physics can go deeper inside the atomic system and found atomicnuclei and their particle, the nucleons

This structure was first found by Rutherford, who used alpha particleas a probe or microscope in looking for atomic structure

With a simple quantum idea, as λ = h/p, one can probe a smallparticle of side D ' λ/2 (It is the resonance tunneling/scattering.)

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Page 5: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

From the equation of motion of a particle of mass m and charge qunder electromagnetic field

md~v

dt= q

(~E + ~v × ~B

)(1)

One can see that the particle got accelerated by the electric field ~E ,with the energy gain P = q ~E · ~v , and changed direction by themagnetic field ~B, without any energy gain form the field.

People accelerate charged particle with electric field and make achange of particle motion direction by magnetic field

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Page 6: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

The static field van de Graaff accelerator

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Page 7: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

The synchronous filed linear accelerator

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Page 8: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

The synchronous field cyclotron accelerator

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 8 / 18

Page 9: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

The synchronous fields synchrotron accelerator

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 9 / 18

Page 10: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

The collider beam

For examples, LEP and LHC at CERN

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 10 / 18

Page 11: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

Particle detectors-classic bubble chamber

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 11 / 18

Page 12: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

Particle detectors-modern multi-propose electronic detectors (CMS)

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 12 / 18

Page 13: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Particle Accelerators and Detectors

Particle detectors-modern multi-propose electronic detectors (CMS)

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 13 / 18

Page 14: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Observed Particles and Their Classification

The Observed particles are classified to be leptons and hadrons

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 14 / 18

Page 15: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Observed Particles and Their Classification

The K-meson observation

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Page 16: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Quark Model of Hadrons

One found that leptons are elementary particles, but

Hadrons compose of quarks

There are 6 flavors of quarks (also 6 flavors of leptons)

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 16 / 18

Page 17: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Quark Model of Hadrons

Some basic quarks properties

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Page 18: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Quark Model of Hadrons

Some basic quarks compositions

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 18 / 18

Page 19: 42 Particle Physics Phenomenology - …einstein.sc.mahidol.ac.th/~udom/Courses/scpy152/15239.pdf · 42 Particle Physics Phenomenology Udom Robkob, Physics-MUSC April 26, 2017 Udom

Quark Model of Hadrons

Particle physics and the history of the Universe

Udom Robkob, Physics-MUSC 42 Particle Physics Phenomenology April 26, 2017 19 / 18