Symbol in context

$\hat{\sigma}$

This entry links every published equation using this exact notation. Its meaning may change between equations.

Used in 1 equation

\hat{\sigma} \;=\; \frac{N_{\mathrm{obs}} - \hat{N}_{\mathrm{bkg}}}{\mathcal{A}\,\varepsilon\,\mathcal{L}} ,

What a Particle Detector Actually Measures · Equation 7

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions.

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