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Add correct AliFemtoFsiTools.F file
[u/mrichter/AliRoot.git] / PWG2 / FEMTOSCOPY / AliFemto / AliFemtoKink.cxx
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67427ff7 1/***********************************************************************
2 *
3 * $Id$
4 *
5 * Author: Mike Lisa, Ohio State, 23May2001
6 *
7 ***********************************************************************
8 *
9 * Description: Kink class with information gotten from the StKinkVertex
10 * of Wenshen Deng and Spiros Margetis
11 *
12 ***********************************************************************
13 *
14 * $Log$
d0e92d9a 15 * Revision 1.4 2007/05/03 09:42:29 akisiel
16 * Fixing Effective C++ warnings
17 *
0215f606 18 * Revision 1.3 2007/04/27 07:24:34 akisiel
19 * Make revisions needed for compilation from the main AliRoot tree
20 *
b2f60a91 21 * Revision 1.1.1.1 2007/04/25 15:38:41 panos
22 * Importing the HBT code dir
23 *
67427ff7 24 * Revision 1.1.1.1 2007/03/07 10:14:49 mchojnacki
25 * First version on CVS
26 *
27 * Revision 1.4 2001/11/14 21:07:21 lisa
28 * Fixed several small things (mostly discarded const) that caused fatal errors with gcc2.95.3
29 *
30 * Revision 1.3 2001/09/05 21:55:23 laue
31 * typo fixed
32 *
33 * Revision 1.2 2001/06/21 19:15:46 laue
34 * Modified fiels:
35 * CTH.h : new constructor added
36 * AliFemtoEvent, AliFemtoKink, AliFemtoTrack : constructors from the persistent
37 * (TTree) classes added
38 * AliFemtoLikeSignAnalysis : minor changes, for debugging
39 * AliFemtoTypes: split into different files
40 * Added files: for the new TTree muDst's
41 * StExceptions.cxx StExceptions.h AliFemtoEnumeration.h
42 * AliFemtoHelix.h AliFemtoHisto.h AliFemtoString.h AliFemtoTFile.h
43 * AliFemtoTTreeEvent.cxx AliFemtoTTreeEvent.h AliFemtoTTreeKink.cxx
44 * AliFemtoTTreeKink.h AliFemtoTTreeTrack.cxx AliFemtoTTreeTrack.h
45 * AliFemtoTTreeV0.cxx AliFemtoTTreeV0.h AliFemtoVector.h
46 *
47 * Revision 1.1 2001/05/25 23:23:59 lisa
48 * Added in AliFemtoKink stuff
49 *
50 *
51 *
52 ***********************************************************************/
53
54#include "AliFemtoKink.h"
d0e92d9a 55#include "phys_constants.h"
56#include "AliFemtoTrack.h"
67427ff7 57// -----------------------------------------------------------------------
0215f606 58AliFemtoKink::AliFemtoKink():
59 fDcaParentDaughter(0), fDcaDaughterPrimaryVertex(0),
60 fDcaParentPrimaryVertex(0), fHitDistanceParentDaughter(0),
61 fHitDistanceParentVertex(0),
62 fDecayAngle(0), fDecayAngleCM(0),
63 fDaughter(),
64 mParent(),
65 mPosition(0,0,0)
66{/* no-op */}
67// -----------------------------------------------------------------------
68AliFemtoKink::AliFemtoKink(const AliFemtoKink& k):
69 fDcaParentDaughter(0), fDcaDaughterPrimaryVertex(0),
70 fDcaParentPrimaryVertex(0), fHitDistanceParentDaughter(0),
71 fHitDistanceParentVertex(0),
72 fDecayAngle(0), fDecayAngleCM(0),
73 fDaughter(),
74 mParent(),
75 mPosition(0,0,0)
76{ // copy constructor
67427ff7 77
78 fDcaParentDaughter = k.fDcaParentDaughter;
79 fDcaDaughterPrimaryVertex = k.fDcaDaughterPrimaryVertex;
80 fDcaParentPrimaryVertex = k.fDcaParentPrimaryVertex;
81 fHitDistanceParentDaughter = k.fHitDistanceParentDaughter;
82 fHitDistanceParentVertex = k.fHitDistanceParentVertex;
83 fDeltaEnergy[0] = k.fDeltaEnergy[0];
84 fDeltaEnergy[1] = k.fDeltaEnergy[1];
85 fDeltaEnergy[2] = k.fDeltaEnergy[2];
86 fDecayAngle = k.fDecayAngle;
87 fDecayAngleCM = k.fDecayAngleCM;
88 fDaughter = k.fDaughter;
89 mParent = k.mParent;
90 mPosition = k.mPosition;
91
92}
93// -----------------------------------------------------------------------
94
95
96//--------------------- below here is ONLY star ----------------
97#ifndef __NO_STAR_DEPENDENCE_ALLOWED__
98#ifdef __ROOT__
99#include "StEvent/StTrack.h"
100#include "StEvent/StKinkVertex.h"
101AliFemtoKink::AliFemtoKink( const StKinkVertex& SKV, AliFemtoThreeVector PrimaryVertex )
102{
103
104 fDcaParentDaughter = SKV.dcaParentDaughter();
105 fDcaDaughterPrimaryVertex = SKV.dcaDaughterPrimaryVertex();
106 fDcaParentPrimaryVertex = SKV.dcaParentPrimaryVertex();
107 fHitDistanceParentDaughter = SKV.hitDistanceParentDaughter();
108 fHitDistanceParentVertex = SKV.hitDistanceParentVertex();
109 fDeltaEnergy[0] = SKV.dE(0);
110 fDeltaEnergy[1] = SKV.dE(1);
111 fDeltaEnergy[2] = SKV.dE(2);
112 fDecayAngle = SKV.decayAngle();
113 fDecayAngleCM = SKV.decayAngleCM();
114
115 // now fill member AliFemtoTrack data...
116 const StTrack* StTrk;
117 AliFemtoTrack* HbtTrk;
118 // Daughter
119 StTrk = SKV.daughter(0);
120 HbtTrk = new AliFemtoTrack(StTrk,PrimaryVertex); // generate NEW HbtTrack from StTrack
121 fDaughter = *HbtTrk; // invoke copy ctr of AliFemtoTrack
122 delete HbtTrk; // get rid of the NEW HbtTrack - we are done with that
123 // Parent
124 StTrk = SKV.parent();
125 HbtTrk = new AliFemtoTrack(StTrk,PrimaryVertex); // generate NEW HbtTrack from StTrack
126 mParent = *HbtTrk; // invoke copy ctr of AliFemtoTrack
127 delete HbtTrk; // get rid of the NEW HbtTrack - we are done with that
128
129 // finally, the kink position
130 mPosition.setX(SKV.position().x());
131 mPosition.setY(SKV.position().y());
132 mPosition.setZ(SKV.position().z());
133
134}
135
136// mike removed all AliFemtoTTree stuff 21apr2006
137
138#endif // __ROOT__
139#endif // __NO_STAR_DEPENDENCE_ALLOWED__