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.

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Presentation transcript:

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

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 + +

Einstein’s Nobel Prize 1905: Einstein explained the photoelectric effect, which earned him the Nobel Prize in Light is made of tiny packets of light, called photons.

Atomic Structure

The Smallest Atom: H Electron Photon Quarks Gluons

Matter and Antimatter

Bosons

Pulling Quarks Apart

Colliding Protons

ATLAS Detector

Baryons and Mesons