[u/mrichter/AliRoot.git] / PWG2 / RESONANCES / AliRsnDaughterCutPair.h

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               *
 **************************************************************************/

//-------------------------------------------------------------------------
//                      Class AliRsnDaughterCutPair
//  
//           Implementation of various cut which can be applied
//           during resonance analysis. 
//           First is the virtual base class.
// 
// author: A. Pulvirenti             (email: alberto.pulvirenti@ct.infn.it)
//-------------------------------------------------------------------------

#ifndef ALIRSNDAUGHTERCUTPAIR_H
#define ALIRSNDAUGHTERCUTPAIR_H

class AliRsnDaughter;

class AliRsnDaughterCutPair : public TObject
{
public:
	                AliRsnDaughterCutPair() {}
	virtual        ~AliRsnDaughterCutPair() {}
	virtual Bool_t  Pass(AliRsnDaughter *track1, AliRsnDaughter *track2) const;
private:
	ClassDef(AliRsnDaughterCutPair,1)
};
//	
//-------------------------------------------------------------------------
//
class AliRsnDaughterCutPairPt : public AliRsnDaughterCutPair
{
public:
			       AliRsnDaughterCutPairPt(Double_t min, Double_t max) : fPtMin(min),fPtMax(max) {}
	virtual       ~AliRsnDaughterCutPairPt() {}
	virtual Bool_t Pass(AliRsnDaughter *track1, AliRsnDaughter *track2) const;
protected:
	Double_t fPtMin; // smallest allowed Pt
	Double_t fPtMax; // largest allowed Pt
	
	ClassDef(AliRsnDaughterCutPairPt,1)
};
//
//-------------------------------------------------------------------------
//
class AliRsnDaughterCutPairArmenteros : public AliRsnDaughterCutPair
{
public:
			       AliRsnDaughterCutPairArmenteros(Double_t qMin, Double_t qMax, Double_t aMin, Double_t aMax)
			        : fQtMin(qMin),fQtMax(qMax),fAlphaMin(aMin),fAlphaMax(aMax) {}
	virtual       ~AliRsnDaughterCutPairArmenteros() {}
	virtual Bool_t Pass(AliRsnDaughter *track1, AliRsnDaughter *track2) const;
	        void   Compute(AliRsnDaughter *track1, AliRsnDaughter *track2, Double_t &qt, Double_t &alpha) const;
private:
	Double_t fQtMin;    // minimum Qt
	Double_t fQtMax;    // minimum Qt
	Double_t fAlphaMin; // minimum alpha
	Double_t fAlphaMax; // minimum alpha
	
	ClassDef(AliRsnDaughterCutPairArmenteros,1)
};

#endif
Commit	Line	Data
c37c6481	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* See cxx source for full Copyright notice *
	4	**************************************************************************/
	5
	6	//-------------------------------------------------------------------------
	7	// Class AliRsnDaughterCutPair
	8	//
	9	// Implementation of various cut which can be applied
	10	// during resonance analysis.
	11	// First is the virtual base class.
	12	//
	13	// author: A. Pulvirenti (email: alberto.pulvirenti@ct.infn.it)
	14	//-------------------------------------------------------------------------
	15
	16	#ifndef ALIRSNDAUGHTERCUTPAIR_H
	17	#define ALIRSNDAUGHTERCUTPAIR_H
	18
	19	class AliRsnDaughter;
	20
	21	class AliRsnDaughterCutPair : public TObject
	22	{
	23	public:
	24	AliRsnDaughterCutPair() {}
	25	virtual ~AliRsnDaughterCutPair() {}
	26	virtual Bool_t Pass(AliRsnDaughter track1, AliRsnDaughter track2) const;
	27	private:
	28	ClassDef(AliRsnDaughterCutPair,1)
	29	};
	30	//
	31	//-------------------------------------------------------------------------
	32	//
	33	class AliRsnDaughterCutPairPt : public AliRsnDaughterCutPair
	34	{
	35	public:
	36	AliRsnDaughterCutPairPt(Double_t min, Double_t max) : fPtMin(min),fPtMax(max) {}
	37	virtual ~AliRsnDaughterCutPairPt() {}
	38	virtual Bool_t Pass(AliRsnDaughter track1, AliRsnDaughter track2) const;
	39	protected:
	40	Double_t fPtMin; // smallest allowed Pt
	41	Double_t fPtMax; // largest allowed Pt
	42
	43	ClassDef(AliRsnDaughterCutPairPt,1)
	44	};
	45	//
	46	//-------------------------------------------------------------------------
	47	//
	48	class AliRsnDaughterCutPairArmenteros : public AliRsnDaughterCutPair
	49	{
	50	public:
	51	AliRsnDaughterCutPairArmenteros(Double_t qMin, Double_t qMax, Double_t aMin, Double_t aMax)
	52	: fQtMin(qMin),fQtMax(qMax),fAlphaMin(aMin),fAlphaMax(aMax) {}
	53	virtual ~AliRsnDaughterCutPairArmenteros() {}
	54	virtual Bool_t Pass(AliRsnDaughter track1, AliRsnDaughter track2) const;
	55	void Compute(AliRsnDaughter track1, AliRsnDaughter track2, Double_t &qt, Double_t &alpha) const;
	56	private:
	57	Double_t fQtMin; // minimum Qt
	58	Double_t fQtMax; // minimum Qt
	59	Double_t fAlphaMin; // minimum alpha
	60	Double_t fAlphaMax; // minimum alpha
	61
	62	ClassDef(AliRsnDaughterCutPairArmenteros,1)
	63	};
	64
65	#endif