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RestFrames  v1.0.1
RestFrames HEP Event Analysis Software Library
SetMassInvJigsaw.cc
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1 // RestFrames: particle physics event analysis library
3 // --------------------------------------------------------------------
4 // Copyright (c) 2014-2016, Christopher Rogan
14 // This file is part of RestFrames.
15 //
16 // RestFrames is free software; you can redistribute it and/or modify
17 // it under the terms of the GNU General Public License as published by
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27 // along with RestFrames. If not, see <http://www.gnu.org/licenses/>.
29 
31 
32 namespace RestFrames {
33 
35  //SetMassInvJigsaw class methods
37  SetMassInvJigsaw::SetMassInvJigsaw(const std::string& sname,
38  const std::string& stitle) :
39  InvisibleJigsaw(sname, stitle, 1, 0) {}
40 
41  SetMassInvJigsaw::SetMassInvJigsaw() : InvisibleJigsaw() {}
42 
43  SetMassInvJigsaw::~SetMassInvJigsaw() {}
44 
47  }
48 
49  SetMassInvJigsaw& SetMassInvJigsaw::Empty(){
50  return SetMassInvJigsaw::m_Empty;
51  }
52 
53  bool SetMassInvJigsaw::AnalyzeEvent(){
54  if(!IsSoundMind())
55  return SetSpirit(false);
56 
57  TLorentzVector inv_P = GetParentState().GetFourVector();
58  double M = std::max(0.,GetChildState(0).GetMinimumMass());
59 
60  inv_P.SetVectM(inv_P.Vect(),M);
61  GetChildState(0).SetFourVector(inv_P);
62 
63  return SetSpirit(true);
64  }
65 
66  void SetMassInvJigsaw::FillStateJigsawDependancies(JigsawList& jigsaws) const {
67  Jigsaw::FillStateJigsawDependancies(jigsaws);
68  FillInvisibleMassJigsawDependancies(jigsaws);
69  }
70 
71  SetMassInvJigsaw SetMassInvJigsaw::m_Empty;
72 
73 }
virtual void Clear()
Clears Jigsaw of all connections to other objects.
virtual void Clear()
Clears Jigsaw of all connections to other objects.