Meson & baryon multiplets

Meson octets/nonets (Gell-Man’s Eightfold Way), baryon octets & decuplets by plotting strangeness vs. isospin.

Pseudoscalar meson nonet

Vector meson nonet

Baryon octet

Baryon decuplet

Edit and compile if you like:

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% Author: Izaak Neutelings (July 2023)
% Description:
%   Meson & baryon octets and decuplets with I3-S-Q axes
% Sources:
%   https://en.wikipedia.org/wiki/Gell-Mann–Nishijima_formula
%   https://en.wikipedia.org/wiki/Quark_model
%   https://en.wikipedia.org/wiki/Eightfold_way_(physics)
%   https://commons.wikimedia.org/wiki/File:Meson-octet-small.svg
%   https://commons.wikimedia.org/wiki/File:Baryon-octet-small.svg
%   https://commons.wikimedia.org/wiki/File:Baryon-decuplet-small.svg
\documentclass[border=3pt,tikz]{standalone}
\usepackage{amsmath} % for \text
\usetikzlibrary{arrows.meta} % to control arrow size
\tikzset{>={Latex[length=4,width=4]}} % for LaTeX arrow head
\usetikzlibrary{calc}
\usepackage{xcolor} % for colored text
% COLORS
\colorlet{myblue}{blue!90!black}
\colorlet{mydarkblue}{blue!40!black}
\colorlet{myred}{red!90!black!80}
\colorlet{mygreen}{green!60!black}
\colorlet{mylightgreen}{green!75!black}
% STYLES
\renewcommand\bar[1]{\overline{\mathrm{#1}}}
\newcommand\PM[2]{$\mathrm{#1\overline{#2}}$} % meson
\tikzstyle{guide}=[ultra thin,black!15,line cap=round]
\tikzstyle{myball}=[line width=0.05,ball color=#1]
\tikzstyle{tick}=[scale=0.84,inner sep=1pt]
\tikzstyle{pname}=[mygreen,scale=1.05,inner sep=0pt,outer sep=#1pt] % particle name
\tikzstyle{lineheight}=[execute at begin node=\setlength{\baselineskip}{#1}]
\tikzstyle{particle}=[
  circle,scale=0.9,minimum size=#1,inner sep=0.5pt,outer sep=1pt, %font=\bf,
  myred,ball color=mygreen,align=center,lineheight=6pt,
  postaction={fill=green!77!black!37,fill opacity=0.8,
  draw=mygreen!50!black,line width=0.05}
]
\tikzset{
  pname/.default=0
}
 
 
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