<?xml version="1.0" encoding="UTF-8"?>
<!--
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ERmodel_v1.2/instances/catalogue/src/conceptualModels/2RegularHypergraph.xml 
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Copyright 2016, 2107 Cyprotex Discovery Ltd.

This file is part of the the ERmodel suite of models and transforms.

The ERmodel suite is free software: you can redistribute it and/or modify
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-->
<entity_model xmlns="http://www.entitymodelling.org/ERmodel">
   <defaults>
      <et_width>1.4</et_width>
   </defaults>
   <entity_type>
      <name>Particle</name>
      <entity_type>
         <name>Bose Particle</name>
         <entity_type>
            <name>photon</name>
         </entity_type>
         <entity_type>
            <name>Meson</name>
            <presentation>
               <rightOf>photon</rightOf>
            </presentation>
         </entity_type>
         <entity_type>
            <name>graviton</name>
            <presentation>
               <rightOf>Meson</rightOf>
            </presentation>
         </entity_type>
      </entity_type>
      <entity_type>
         <name>Fermi Particle</name>
         <presentation>
            <below>Bose Particle</below>
         </presentation>
         <group>
            <name>padding</name>
            <presentation>
               <w>1.4</w>
            </presentation>
         </group>
         <entity_type>
            <name>electron</name>
            <presentation>
               <rightOf>padding</rightOf>
               <y>-0.25</y>
            </presentation>
         </entity_type>
         <entity_type>
            <name>muon</name>
            <presentation>
               <rightOf>electron</rightOf>
            </presentation>
         </entity_type>
         <group>
            <presentation>
               <below>electron</below>
            </presentation>
            <entity_type>
               <name>Nucleon</name>
            </entity_type>
            <entity_type>
               <name>Neutrino</name>
               <presentation>
                  <rightOf>Nucleon</rightOf>
               </presentation>
            </entity_type>
            <entity_type>
               <name>Baryon</name>
               <presentation>
                  <rightOf>Neutrino</rightOf>
               </presentation>
            </entity_type>
         </group>
      </entity_type>
   </entity_type>
</entity_model>
