素粒子物理 · 学部
Cross Section and Luminosity
The basic language for event rates in scattering experiments.
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Cross Section and Luminosity
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Cross Section
A cross section measures the effective probability for a scattering process. It has units of area.
Event Rate
The event rate is
where is the luminosity.
Interpretation
Theory predicts cross sections; experiments measure event rates. Luminosity is the bridge between them.
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