Elementary Particle Physics:

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Theory:

Preliminaries and recap on the Standard Model Feynman diagrams and cross-section calculations

theory and experiments

Prof. dr hab. Elżbieta Richter-Wąs

Some slides from M. A. Thomson lectures at Cambridge University

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Short recap on Standard Model

Feynmann diagrams and Cross-section calculations

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Preliminaries: Natural Units

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Preliminaries: Heaviside-Lorents Units

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Matter in the Standard Model

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Forces in the Standard Model

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Standard Model vertices

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Feynman diagrams

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Special relativity and 4-vector notation

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Mandelstam s, t and u

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Example: Mandelstam s, t and u

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Cross-sections and decay rates

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The first two lectures

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(this I will skip)

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Paricle decay rates

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Non-relativistic phase-space (revision)

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Dirac d function

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The Golden Rule revisited

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Lorentz invariant phase-space

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Decay rate calculations

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Cross-section definition

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example

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Cross-section calculations

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2-> 2 Body Scattering in C.o.M. Frame

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Lorentz invariant differential cross-section

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2->2 body scattering in the Lab Frame

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Summary

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Summary cont.

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Appendix I: Lorentz Invariant Flux

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Appendix II: general 2->2 scattering in lab frame

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