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Brian Jackson edited Whether_or_not_we_detect__.tex
almost 9 years ago
Commit id: a0a0a1d1f2f76abf62b4b024134ca9fe30738a90
deletions | additions
diff --git a/Whether_or_not_we_detect__.tex b/Whether_or_not_we_detect__.tex
index 96e1929..ac20ee6 100644
--- a/Whether_or_not_we_detect__.tex
+++ b/Whether_or_not_we_detect__.tex
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\begin{equation}
db = \frac{1}{2}\Gamma_{\rm act}\left[ \dfrac{P_{\rm act}}{P_{\rm obs}} - 1 \right]^{-1/2} \left( \dfrac{P_{\rm act}}{P_{\rm obs}^2} \right) dP_{\rm obs} = \frac{1}{2}\left( \dfrac{\Gamma_{\rm act}}{2} \right)^2\dfrac{P_{\rm act}}{P_{\rm obs}^2} \dfrac{ dP_{\rm obs} }{b},
\end{equation}
\label{eqn:infinitesimal_area}
where we've subsumed the minus sign into the definition of $P_{\rm obs}$ (which has the opposite sign of $db$). Then using the expression for the differential probability above, we can express the probability to measure a pressure signal between $P_{\rm obs}$ and $P_{\rm obs} + dP_{\rm obs}$ for a devil with a given $P_{\rm act}$ and $\Gamma_{\rm act}$:
\begin{equation}
dp\left(P_{\rm obs}\right) = P_{\rm act} \left( \dfrac{\Gamma_{\rm act}}{2\ b_{\rm max}} \right)^2 \dfrac{ dP_{\rm obs} }{P_{\rm obs}^2}.
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