A Brief Introduction to Quarknet and Particle Physics. Mike Strauss. Outline. An introduction to Quarknet Some Themes for the Week The Particles and Forces of Nature The Nature of Science Particle Physics Experiments Other Good Stuff Connection to Cosmology OU/OSU Involvement. QuarkNet.
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“All science is either physics or stamp collecting” – Ernest Rutherford
Smash stuff together!!
This field of research is called “Elementary Particle Physics” or “High Energy Physics”
CERN (Geneva, Switzerland)
KEK (Tsukuba, Japan)
Fermilab (Chicago, Illinois)
DESY (Hamburg, Germany)
Housed in a tunnel 17 miles in circumference 300 feet underground on the French Swiss border
A large camera to “see” subatomic particles.
Most particles created in the proton-proton collisions decay very quickly, and the detector sees the debris (primary and secondary particles) from the collision.
Diameter: 22 m
Weight: 7000 tonsA Torodial LHC ApparatuS
Energy of motion (kinetic energy) can be changed into new particles with mass. The more kinetic energy, the more massive the new particles can be.
Now (14 billion years)
Stars form (1 billion years)
Atoms form (400,000 years)
Nuclei form (3 minutes)
Protons and neutrons form (10-10 seconds)
??? (Before that)
HEP is primarily done within large international collaborations
This talk has been a very brief introduction to this week’s content. We will visit all these subjects in more detail as the week progresses.