Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative...

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Particle Physics A Quick Tour

Transcript of Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative...

Page 1: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Particle Physics

A Quick Tour

Page 2: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Models of the Atom Thomson – Plum Pudding

Why? Known that negative charges can be removed from atom.

Problem: just a random guess

Rutherford – Solar System Why? Scattering showed hard core. Problem: electrons should spiral into nucleus in

~10-11 sec.

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Page 3: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Bohr – fixed energy levels Why? Explains spectral lines. Problem: No reason for fixed energy levels

deBroglie – electron standing waves Why? Explains fixed energy levels Problem: still only works for Hydrogen.

Schrodinger – will save the day!!

Models of the Atom

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Page 4: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Einstein’s Nobel Prize

1905: Einstein explained the photoelectric effect, which earned him the Nobel Prize in 1921.

Light is made of

tiny packets of

light, called

photons.

Page 5: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Atomic Structure

Page 6: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

The Smallest Atom: H

Electron

Photon

Quarks

Gluons

Page 7: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Matter and Antimatter

Page 8: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Bosons

Page 9: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Pulling Quarks Apart

Page 10: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.
Page 11: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Colliding Protons

Page 12: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.
Page 13: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.
Page 14: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

ATLAS Detector

Page 15: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.

Baryons and Mesons

Page 16: Particle Physics A Quick Tour. Models of the Atom Thomson – Plum Pudding Why? Known that negative charges can be removed from atom. Problem: just a random.