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RestFrames  v1.0.1
RestFrames HEP Event Analysis Software Library
ResonanceGenFrame.hh
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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
18 // the Free Software Foundation; either version 2 of the License, or
19 // (at your option) any later version.
20 //
21 // RestFrames is distributed in the hope that it will be useful,
22 // but WITHOUT ANY WARRANTY; without even the implied warranty of
23 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 // GNU General Public License for more details.
25 //
26 // You should have received a copy of the GNU General Public License
27 // along with RestFrames. If not, see <http://www.gnu.org/licenses/>.
29 
30 #ifndef ResonanceGenFrame_HH
31 #define ResonanceGenFrame_HH
32 
34 
35 namespace RestFrames {
36 
38  // ResonanceGenFrame class
41  public:
42  ResonanceGenFrame(const std::string& sname, const std::string& stitle);
44  virtual ~ResonanceGenFrame();
45 
46  static ResonanceGenFrame& Empty();
47 
48  virtual void SetMass(double mass);
49  virtual void SetWidth(double w);
50 
51  virtual void SetVariableMass(bool varymass = true);
52 
53  virtual double GetPoleMass() const;
54  virtual double GetWidth() const;
55 
56  virtual double GetProbMCMC(double mass = -1.) const;
57  virtual void GenerateMassMCMC(double& mass, double& prob,
58  double max = -1.) const;
59 
60  private:
61  double m_PoleMass;
62  double m_Width;
63 
64  static ResonanceGenFrame m_Empty;
65  };
66 
67 }
68 
69 #endif