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Detailed Programme of the Week 12/19/2022 -- 12/23/2022:

-- Interactions

LECT 60-61 -- Tuesday 12/20/2022 - 2h Bonciani    14:00-16:00   (Aula7)

Time-ordered product of normal ordered fields. Evaluation of the scattering matrix at the first order in QED. Building blocks, vertex interactions. Evaluation of the scattering matrix at the second order in QED. One-contraction contributions: electron Compton scattering, positron Compton scattering, pair creation and pair annihilation, Moller scattering.
Bhabha scattering. Two-contraction contributions: electron and positron self-energy, vacuum polarization of the photon. [Mandl-Shaw]

LECT 62-63 -- Thursday 12/22/2022 - 2h Bonciani    12:00-14:00 (Aula1 - CU028)

S matrix in momentum space. Propagators, spinors, Feynman's rules. Decay width and production Cross Section. Two-body phase space. [Benhar-Maiani] [Maggiore]

LECT 64-67 -- Thursday 12/22/2022 - 4h Bonciani    14:00-18:00 (Aula1 - CU028)

Calculation of the cross section for the scattering process $e^{+} + e^{-} \to μ^{+} + μ^{-}$ . [Benhar-Maiani]