some minor tweaks, thanks Gudrun :)

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hiro98 2020-06-29 19:40:19 +02:00
parent 3b703dbd3b
commit 3469c80462
2 changed files with 58 additions and 39 deletions

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@ -218,7 +218,7 @@ labelformat=brace, position=top]{subcaption}
{ (a) -- [photon] (f1), (b) -- [photon] (f2), }; { (a) -- [photon] (f1), (b) -- [photon] (f2), };
\end{feynman} \end{feynman}
\end{tikzpicture} \end{tikzpicture}
\subcaption{\t channel} \subcaption{t channel}
\end{subfigure} \end{subfigure}
\caption{Leading order diagrams for \(\qqgg\).}% \caption{Leading order diagrams for \(\qqgg\).}%
\label{fig:qqggfeyn} \label{fig:qqggfeyn}
@ -294,17 +294,17 @@ labelformat=brace, position=top]{subcaption}
\begin{frame} \begin{frame}
\pnote{ \pnote{
- Gradually bring in knowledge through distribution. } - Gradually bring in knowledge through distribution. }
\begin{block}{Basic Ideas} \begin{block}{Basic Idea}
\begin{itemize} \begin{center}
\item<+-> Given some unknown function Given some unknown function
\(f\colon \vb{x}\in\Omega\subset\mathbb{R}^n\mapsto\mathbb{R}\) \(f\colon \vb{x}\in\Omega\subset\mathbb{R}^n\mapsto\mathbb{R}\)
\ldots \ldots \\ \pauses\ldots\ how do we answer questions about
\item<+-> \ldots\ how do we answer questions about \(f\)? \(f\)? \\\pause
\end{itemize}
\;\;\onslide<+->{\(\implies\) Sample it at random points.} \;\;\onslide<+->{\(\implies\) Sample it at random points.}
\end{block} \end{center}
\end{block}
\pause \pause
\begin{block}{Concrete Applications} \begin{block}{Concrete Applicationss}
\begin{enumerate} \begin{enumerate}
\item<+-> integrate \(f\) over some volume \(\Omega\) \item<+-> integrate \(f\) over some volume \(\Omega\)
\item<+-> treat \(f\) as distribution and take random samples \item<+-> treat \(f\) as distribution and take random samples
@ -325,8 +325,8 @@ labelformat=brace, position=top]{subcaption}
} }
\begin{itemize} \begin{itemize}
\item<+-> we have: \item<+-> we have:
\(f\colon \vb{x}\in\Omega\subset\mathbb{R}^n\mapsto\mathbb{R}\) \(f\colon \vb{x}\in\Omega\subset\mathbb{R}^n\mapsto\mathbb{R}\)\quad
and \(\rho\colon \vb{x}\in\Omega\mapsto\mathbb{R}_{> 0}\) with and\quad \(\rho\colon \vb{x}\in\Omega\mapsto\mathbb{R}_{> 0}\)\quad with\quad
\(\int_{\Omega}\rho(\vb{x})\dd{\vb{x}} = 1\). \(\int_{\Omega}\rho(\vb{x})\dd{\vb{x}} = 1\).
\item<+-> we seek: \item<+-> we seek:
\begin{equation} \begin{equation}
@ -355,9 +355,9 @@ labelformat=brace, position=top]{subcaption}
\end{frame} \end{frame}
\begin{frame}{Naive Integration Change of Variables} \begin{frame}{Naive Integration Change of Variables}
Choose \(\rho(\vb{x}) = \frac{1}{\abs{\Omega}}\) Choose \(\rho(\vb{x}) = \frac{1}{\abs{\Omega}}\)\\
\onslide<1->{\(\implies I=\frac{\abs{\Omega}}{N}\sum_{i=1}^N \onslide<1->{\quad\(\implies I=\frac{\abs{\Omega}}{N}\sum_{i=1}^N
f(\vb{x_i})=\abs{\Omega}\cdot\bar{f}\) and f(\vb{x_i})=\abs{\Omega}\cdot\bar{f}\)\quad and\quad
\(\VAR{\frac{F}{P}}\approx\frac{\abs{\Omega}^2}{N-1}\sum_{i}\qty[f(\vb{x}_i) \(\VAR{\frac{F}{P}}\approx\frac{\abs{\Omega}^2}{N-1}\sum_{i}\qty[f(\vb{x}_i)
- \bar{f}]^2\)} - \bar{f}]^2\)}
\pause \pause
@ -440,19 +440,30 @@ labelformat=brace, position=top]{subcaption}
(choose \(\Omega = [0, 1]\)) and uniformly random samples \(\{x_i\}\) (choose \(\Omega = [0, 1]\)) and uniformly random samples \(\{x_i\}\)
\item we seek: a sample \(\{y_i\}\) distributed according to \(f\) \item we seek: a sample \(\{y_i\}\) distributed according to \(f\)
\end{itemize} \end{itemize}
\begin{block}<+->{Basic Idea} \begin{columns}
\begin{itemize}[<+->] \begin{column}{.5\textwidth}
\item<.-> let \(x\) be sample of uniform distribution, solve \begin{block}<+->{Basic Idea}
\[\int_{0}^{y}f(x')\dd{x'} = x\cdot\int_0^1f(x')\dd{x'} = \begin{itemize}[<+->]
x\cdot A\] for y to obtain sample of \(f/A\) \item<.-> let \(x\) be sample of uniform distribution, solve
\item let \(F\) be the antiderivative of \(f\), then \[\int_{0}^{y}f(x')\dd{x'} = x\cdot\int_0^1f(x')\dd{x'} =
\(y=F^{-1}(x\cdot A + F(0))\) x\cdot A\] for \(y\) to obtain sample of \(f/A\)
\begin{itemize} \item let \(F\) be the antiderivative of \(f\), then
\item sometimes analytical form available \(y=F^{-1}(x\cdot A + F(0))\)
\item otherwise tackle that numerically \begin{itemize}
\end{itemize} \item sometimes analytical form available
\end{itemize} \item otherwise tackle that numerically
\end{block} \end{itemize}
\end{itemize}
\end{block}
\end{column}
\begin{column}{.5\textwidth}<.(-3)->
\begin{figure}
\centering
\includegraphics[width=\columnwidth]{figs/normal_cdf.pdf}
\caption{CDF of the normal distribution.~\cite{wiki:2020no}}
\end{figure}
\end{column}
\end{columns}
\end{frame} \end{frame}
\begin{frame}{Hit or Miss} \begin{frame}{Hit or Miss}
@ -483,7 +494,7 @@ labelformat=brace, position=top]{subcaption}
\begin{frame}{Hit or Miss} \begin{frame}{Hit or Miss}
\begin{columns} \begin{columns}
\begin{column}{.4\textwidth} \begin{column}{.4\textwidth}
\begin{results}<+->[Results with \(g=a\cdot x^2 + b\)] \begin{results}<+->[Results with \(g=a + b\cdot x^2\)]
\begin{itemize} \begin{itemize}
\item<+-> Modest efficiency gain: \item<+-> Modest efficiency gain:
\result{xs/python/tuned_th_samp} \result{xs/python/tuned_th_samp}
@ -543,7 +554,7 @@ labelformat=brace, position=top]{subcaption}
} }
\begin{itemize} \begin{itemize}
\item we want: distributions of other observables \pause \item we want: distributions of other observables \pause
\item turns out: simpliy piping samples \(\{x_i\}\) through a map \item turns out: simply piping samples \(\{x_i\}\) through a map
\(\gamma\colon\Omega\mapsto\mathbb{R}\) is enough \(\gamma\colon\Omega\mapsto\mathbb{R}\) is enough
\end{itemize} \end{itemize}
\pause \pause
@ -662,15 +673,23 @@ labelformat=brace, position=top]{subcaption}
\section{Phenomenological Studies} \section{Phenomenological Studies}
\begin{frame}{What is missing?} \begin{frame}{What is missing?}
\pause \pause\pnote{of course there's more missing}
\begin{itemize}[<+->] \begin{columns}
\item treatement of the beam remnants \begin{column}{.5\textwidth}
\item intrinsic \(\pt\) \begin{itemize}[<+->]
\item parton showers \pnote{NLO effects} \item treatement of the beam remnants
\item hadronization \item intrinsic \(\pt\)
\item multiple interactions \item parton showers \pnote{NLO effects}
\end{itemize} \item hadronization
\pause \(\implies\) \sherpa\ can model those effects \item multiple interactions
\end{itemize}
\end{column}
\begin{column}{.5\textwidth}
\begin{center}
\pause {\Huge \sherpa\ can model those effects}
\end{center}
\end{column}
\end{columns}
\end{frame} \end{frame}