Piechart of SM decays

Some custom piecharts illustrating the branching fraction of the decay of several Standard Model particles like the tau lepton, Z boson, W boson, top, ttbar, Higgs boson, …

Tau lepton decay

Ditau decay

W boson (or top) decay

Same for top quark decay assuming BR(t → Wb) ≈ 100%:Specifying quark flavors:

Top quark pair (ttbar) decay

Z boson decay

Specifying quark flavors:

Higgs boson decay

Energy composition of the Universe

Energy composition of the Universe according to Planck's high-precision measurements of the cosmic microwave background:

Edit and compile if you like:

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% Author: Izaak Neutelings (May 2022)
% https://github.com/IzaakWN/CodeSnippets/blob/master/LaTeX/TikZ/physics/tau_decay_matrix.py
% Inspiration:
%   https://texample.net/tikz/examples/pie-chart-color/
\documentclass[border=3pt,tikz]{standalone}
\usepackage{amsmath} % for \text
%\usepackage{mathabx} % for \widebar
\usepackage{bm} % for bold Greek letters via \bm
\usepackage[outline]{contour} % glow around text
\contourlength{0.25pt}
% STYLES
\usetikzlibrary{shapes} % for ellipse node
\usetikzlibrary{shadows.blur}
\colorlet{myred}{red!85!black!65}
\colorlet{mycyan}{blue!40!cyan!85!black!55}
\colorlet{myblue}{blue!70!cyan!85!black!55}
\colorlet{mydarkblue}{myblue!90!black!90}
\colorlet{mydarkerblue}{myblue!80!black!90}
\colorlet{mydarkestblue}{myblue!70!black!90}
\colorlet{mylightblue}{blue!50!cyan!80!black!45}
\colorlet{mypink}{magenta!95!red!100!black!72}
\colorlet{mypurple}{blue!50!red!90!black!70}
\colorlet{mydarkpurple}{blue!50!red!70!black!70}
\colorlet{mygreen}{green!60!black!75}
\colorlet{mylightgreen}{green!80!red!90!black!50}
\colorlet{myorange}{orange!95!black!70}
\colorlet{mybrown}{brown!80!orange!95!black!80}
\colorlet{myyellow}{yellow!80!orange!95!black!80}
\colorlet{mylightyellow}{yellow!80!orange!95!black!45}
\def\R{1} % default pie radius
\tikzstyle{pin}=[very thin,line cap=round]
\tikzset{
  slice/.style={fill=#1,draw=#1!80!black,line join=round,line width=0.4,
                blur shadow={shadow blur steps=20,shadow xshift=0.5,
                             shadow yshift=-1,shadow opacity=40}},
  slice/.default=myblue,
  pics/piechart/.style n args={2}{ % SIMPLE PIECHART 1
    code={
      \foreach \frac/\name/\col [
 
 
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