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https://github.com/vale981/bachelor_thesis
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some minor tweaks, thanks Gudrun :)
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2 changed files with 58 additions and 39 deletions
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latex/figs/normal_cdf.pdf
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latex/figs/normal_cdf.pdf
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@ -218,7 +218,7 @@ labelformat=brace, position=top]{subcaption}
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{ (a) -- [photon] (f1), (b) -- [photon] (f2), };
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\end{feynman}
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\end{tikzpicture}
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\subcaption{\t channel}
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\subcaption{t channel}
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\end{subfigure}
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\caption{Leading order diagrams for \(\qqgg\).}%
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\label{fig:qqggfeyn}
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@ -294,17 +294,17 @@ labelformat=brace, position=top]{subcaption}
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\begin{frame}
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\pnote{
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- Gradually bring in knowledge through distribution. }
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\begin{block}{Basic Ideas}
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\begin{itemize}
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\item<+-> Given some unknown function
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\(f\colon \vb{x}\in\Omega\subset\mathbb{R}^n\mapsto\mathbb{R}\)
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\ldots
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\item<+-> \ldots\ how do we answer questions about \(f\)?
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\end{itemize}
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\begin{block}{Basic Idea}
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\begin{center}
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Given some unknown function
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\(f\colon \vb{x}\in\Omega\subset\mathbb{R}^n\mapsto\mathbb{R}\)
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\ldots \\ \pauses\ldots\ how do we answer questions about
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\(f\)? \\\pause
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\;\;\onslide<+->{\(\implies\) Sample it at random points.}
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\end{block}
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\end{center}
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\end{block}
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\pause
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\begin{block}{Concrete Applications}
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\begin{block}{Concrete Applicationss}
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\begin{enumerate}
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\item<+-> integrate \(f\) over some volume \(\Omega\)
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\item<+-> treat \(f\) as distribution and take random samples
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@ -325,8 +325,8 @@ labelformat=brace, position=top]{subcaption}
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}
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\begin{itemize}
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\item<+-> we have:
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\(f\colon \vb{x}\in\Omega\subset\mathbb{R}^n\mapsto\mathbb{R}\)
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and \(\rho\colon \vb{x}\in\Omega\mapsto\mathbb{R}_{> 0}\) with
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\(f\colon \vb{x}\in\Omega\subset\mathbb{R}^n\mapsto\mathbb{R}\)\quad
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and\quad \(\rho\colon \vb{x}\in\Omega\mapsto\mathbb{R}_{> 0}\)\quad with\quad
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\(\int_{\Omega}\rho(\vb{x})\dd{\vb{x}} = 1\).
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\item<+-> we seek:
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\begin{equation}
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@ -355,9 +355,9 @@ labelformat=brace, position=top]{subcaption}
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\end{frame}
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\begin{frame}{Naive Integration Change of Variables}
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Choose \(\rho(\vb{x}) = \frac{1}{\abs{\Omega}}\)
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\onslide<1->{\(\implies I=\frac{\abs{\Omega}}{N}\sum_{i=1}^N
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f(\vb{x_i})=\abs{\Omega}\cdot\bar{f}\) and
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Choose \(\rho(\vb{x}) = \frac{1}{\abs{\Omega}}\)\\
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\onslide<1->{\quad\(\implies I=\frac{\abs{\Omega}}{N}\sum_{i=1}^N
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f(\vb{x_i})=\abs{\Omega}\cdot\bar{f}\)\quad and\quad
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\(\VAR{\frac{F}{P}}\approx\frac{\abs{\Omega}^2}{N-1}\sum_{i}\qty[f(\vb{x}_i)
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- \bar{f}]^2\)}
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\pause
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@ -440,19 +440,30 @@ labelformat=brace, position=top]{subcaption}
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(choose \(\Omega = [0, 1]\)) and uniformly random samples \(\{x_i\}\)
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\item we seek: a sample \(\{y_i\}\) distributed according to \(f\)
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\end{itemize}
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\begin{block}<+->{Basic Idea}
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\begin{itemize}[<+->]
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\item<.-> let \(x\) be sample of uniform distribution, solve
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\[\int_{0}^{y}f(x')\dd{x'} = x\cdot\int_0^1f(x')\dd{x'} =
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x\cdot A\] for y to obtain sample of \(f/A\)
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\item let \(F\) be the antiderivative of \(f\), then
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\(y=F^{-1}(x\cdot A + F(0))\)
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\begin{itemize}
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\item sometimes analytical form available
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\item otherwise tackle that numerically
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\end{itemize}
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\end{itemize}
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\end{block}
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\begin{columns}
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\begin{column}{.5\textwidth}
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\begin{block}<+->{Basic Idea}
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\begin{itemize}[<+->]
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\item<.-> let \(x\) be sample of uniform distribution, solve
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\[\int_{0}^{y}f(x')\dd{x'} = x\cdot\int_0^1f(x')\dd{x'} =
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x\cdot A\] for \(y\) to obtain sample of \(f/A\)
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\item let \(F\) be the antiderivative of \(f\), then
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\(y=F^{-1}(x\cdot A + F(0))\)
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\begin{itemize}
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\item sometimes analytical form available
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\item otherwise tackle that numerically
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\end{itemize}
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\end{itemize}
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\end{block}
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\end{column}
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\begin{column}{.5\textwidth}<.(-3)->
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\begin{figure}
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\centering
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\includegraphics[width=\columnwidth]{figs/normal_cdf.pdf}
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\caption{CDF of the normal distribution.~\cite{wiki:2020no}}
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\end{figure}
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\end{column}
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\end{columns}
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\end{frame}
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\begin{frame}{Hit or Miss}
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@ -483,7 +494,7 @@ labelformat=brace, position=top]{subcaption}
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\begin{frame}{Hit or Miss}
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\begin{columns}
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\begin{column}{.4\textwidth}
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\begin{results}<+->[Results with \(g=a\cdot x^2 + b\)]
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\begin{results}<+->[Results with \(g=a + b\cdot x^2\)]
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\begin{itemize}
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\item<+-> Modest efficiency gain:
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\result{xs/python/tuned_th_samp}
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@ -543,7 +554,7 @@ labelformat=brace, position=top]{subcaption}
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}
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\begin{itemize}
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\item we want: distributions of other observables \pause
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\item turns out: simpliy piping samples \(\{x_i\}\) through a map
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\item turns out: simply piping samples \(\{x_i\}\) through a map
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\(\gamma\colon\Omega\mapsto\mathbb{R}\) is enough
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\end{itemize}
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\pause
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@ -662,15 +673,23 @@ labelformat=brace, position=top]{subcaption}
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\section{Phenomenological Studies}
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\begin{frame}{What is missing?}
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\pause
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\begin{itemize}[<+->]
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\item treatement of the beam remnants
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\item intrinsic \(\pt\)
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\item parton showers \pnote{NLO effects}
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\item hadronization
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\item multiple interactions
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\end{itemize}
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\pause \(\implies\) \sherpa\ can model those effects
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\pause\pnote{of course there's more missing}
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\begin{columns}
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\begin{column}{.5\textwidth}
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\begin{itemize}[<+->]
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\item treatement of the beam remnants
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\item intrinsic \(\pt\)
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\item parton showers \pnote{NLO effects}
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\item hadronization
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\item multiple interactions
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\end{itemize}
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\end{column}
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\begin{column}{.5\textwidth}
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\begin{center}
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\pause {\Huge \sherpa\ can model those effects}
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\end{center}
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\end{column}
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\end{columns}
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\end{frame}
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