42 particle physics phenomenology - …einstein.sc.mahidol.ac.th/~udom/courses/scpy152/15239.pdf ·...
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42 Particle Physics Phenomenology
Udom Robkob, Physics-MUSC
April 26, 2017
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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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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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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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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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Particle Accelerators and Detectors
The static field van de Graaff accelerator
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Particle Accelerators and Detectors
The synchronous filed linear accelerator
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Particle Accelerators and Detectors
The synchronous field cyclotron accelerator
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Particle Accelerators and Detectors
The synchronous fields synchrotron accelerator
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Particle Accelerators and Detectors
The collider beam
For examples, LEP and LHC at CERN
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Particle Accelerators and Detectors
Particle detectors-classic bubble chamber
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Particle Accelerators and Detectors
Particle detectors-modern multi-propose electronic detectors (CMS)
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Particle Accelerators and Detectors
Particle detectors-modern multi-propose electronic detectors (CMS)
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Observed Particles and Their Classification
The Observed particles are classified to be leptons and hadrons
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Observed Particles and Their Classification
The K-meson observation
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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)
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Quark Model of Hadrons
Some basic quarks properties
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Quark Model of Hadrons
Some basic quarks compositions
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Quark Model of Hadrons
Particle physics and the history of the Universe
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