Belle II Software  release-05-02-19
HelicityVariables.h
1 /**************************************************************************
2  * BASF2 (Belle Analysis Framework 2) *
3  * Copyright(C) 2019 - Belle II Collaboration *
4  * *
5  * Author: The Belle II Collaboration *
6  * Contributors: Phillip Urquijo, Fernando Abudinen, Michael de Nuccio *
7  * *
8  * This software is provided "as is" without any warranty. *
9  **************************************************************************/
10 
11 #pragma once
12 
13 #include <analysis/VariableManager/Manager.h>
14 #include <vector>
15 #include <string>
16 
17 namespace Belle2 {
22  class Particle;
23 
24  namespace Variable {
25 
33  double cosHelicityAngleMomentum(const Particle* part);
34 
40  double cosHelicityAngleMomentumPi0Dalitz(const Particle* part);
41 
47  Manager::FunctionPtr cosHelicityAngleBeamMomentum(const std::vector<std::string>& arguments);
48 
56  Manager::FunctionPtr cosHelicityAngle(const std::vector<std::string>& arguments);
57 
67  Manager::FunctionPtr cosAcoplanarityAngle(const std::vector<std::string>& arguments);
68 
72  double cosHelicityAnglePrimary(const Particle* part);
73 
78  Manager::FunctionPtr cosHelicityAngleDaughter(const std::vector<std::string>& arguments);
79 
83  double acoplanarityAngle(const Particle* part);
84 
85  }
87 } // Belle2 namespace
Belle2
Abstract base class for different kinds of events.
Definition: MillepedeAlgorithm.h:19
Belle2::Variable::Manager::FunctionPtr
std::function< double(const Particle *)> FunctionPtr
NOTE: the python interface is documented manually in analysis/doc/Variables.rst (because we use ROOT ...
Definition: Manager.h:118