Particle Physics - FSU Physics Department

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Outline what is particle physics? Origins of particle physics • Atom (p, e - ), radioactivity, discovery of neutron (n) (1895- 1932) • Cosmic rays: positron (e + ), muon (μ - ), pion (π), Kaon (K ±, K 0 ) (1932 – 1959) the advent of accelerators: • more and more particles discovered, patterns emerge (1960’s and on): o leptons and hadrons o Electromagnetic, weak, strong interactions present scenario: the Standard Model of electroweak and strong interactions • Formulation and discovery (1960’s to 1980’s) • Precision experimental tests (from 1990’s) quest for new physics (beyond the standard model) • Open questions, possible strategies • Present and future experiments, facilities • Search for Higgs particle outlook 4
Sizes and distance scales Molecule 10 -9 m Atom 10 -10 m nucleus 10 -14 m virus 10 -7 m nucleon 10 -15 m Quark
Page 1 and 2: Particle Physics Particle physics
Page 3: About Units Energy - electron-volt
Page 7 and 8: Contemporary Physics Education 7 Pr
Page 9 and 10: Issues of High Energy Physics Issue
Page 12 and 13: Positron Positron (anti-electron)
Page 14 and 15: Neutron Bothe + Becker (1930): •
Page 16 and 17: Nuclear force - field quantum phot
Page 18 and 19: Discovery of pion in 1947, Lattes,
Page 20 and 21: “Strange particles” Kaon: disc
Page 22 and 23: Particle Zoo 1940’s to 1960’s
Page 24 and 25: Particle nomenclature by mass: •
Page 26 and 27: Towards the standard model Quark M
Page 28 and 29: color charge problem with quark mo
Page 30 and 31: Standard Model A theoretical model
Page 33 and 34: From Contemporary Physics Education
Page 36 and 37: From Contemporary Physics Education
Page 38 and 39: Electroweak interactions leptons (
Page 40 and 41: Brief History of the Standard Model
Page 42 and 43: Brief History of the Standard Model
Page 44 and 45: Present scenario Most of what’s
Page 46 and 47: Homework set 5 HW 5.1 • go to Pa

Particle Physics - FSU Physics Department

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