Sumários

Theory lecture 6

10 Abril 2024, 08:30 • João Nuno Ramalho Gonçalves Pires

  • Double differential Lorentz Invariant cross section for Deep Inelastic electron-proton Scattering
  • F1 and F2 structure function measurements at SLAC
  • Bjorken scaling and Callan-Gross relation
  • DIS cross section reinterpreted in the quark-parton model
  • Elastic electron-quark scattering
  • Parton distribution functions fits with structure function data: from SLAC to HERA experiments
  • Sea and Valence quark distribution functions
Recommended reading: Chapter's 8.2 - 8.6 of Mark Thomson's book, Chapter's 8.5 - 8.6 of D.Griffith's book. 


Exercise class 4

27 Março 2024, 11:00 • João Nuno Ramalho Gonçalves Pires

Discussion and solution of the fourth series of exercises.

Theory Lecture 5

27 Março 2024, 08:30 • João Nuno Ramalho Gonçalves Pires

  • Relativistic electron-proton scattering
  • Proton charge and magnetic distributions
  • Lorentz invariant Rosenbluth elastic electron-proton cross section formula 
  • Experimental evidence for finite proton size
  • Deep inelastic electron-proton scattering
  • DIS kinematical variables and experimental data
Recommended reading: Chapter's 7.1-8.1 of Mark Thomson's book, Chapter's 8.1 - 8.4 of D.Griffith's book.

Exercise class 3

20 Março 2024, 11:00 • João Nuno Ramalho Gonçalves Pires

Discussion and solution of the third series of exercises.

Theory lecture 4

20 Março 2024, 08:30 • João Nuno Ramalho Gonçalves Pires

  • Covariant form of Maxwell's equations
  • Feynman rules in QED
  • Electron-muon scattering matrix element
  • Casimir's Trick: calculate spin-averaged amplitudes in terms of traces 
  • Electron-muon fixed target differential cross section
  • Mott scattering cross section formula

Recommended reading: Chapter's 7.4-7.9 of D.Griffith's book.Chapter's 5 and 6 of Mark Thomson's book.