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aee8290b | 1 | #ifndef ALIMAGFC_H |
2 | #define ALIMAGFC_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
60378f15 | 4 | *See cxx source for full Copyright notice */ |
aee8290b | 5 | |
6 | /* $Id$ */ | |
7 | ||
0742d588 | 8 | //------------------------------------------------------------------------- |
9 | // Constant magnetic field class | |
10 | // Used by AliRun class | |
11 | // Author: | |
12 | //------------------------------------------------------------------------- | |
13 | ||
aee8290b | 14 | #include "AliMagF.h" |
15 | ||
60378f15 | 16 | enum BeamType_t {kBeamTypeAA, kBeamTypepp}; |
aee8290b | 17 | class AliMagFC : public AliMagF |
18 | { | |
19 | //Alice Constant Magnetic Field | |
20 | ||
21 | public: | |
60378f15 | 22 | AliMagFC(); |
d0f1ee3b | 23 | AliMagFC(const char *name, const char *title, Int_t integ, |
24 | Float_t factor, Float_t fmax); | |
0cd61c1d | 25 | virtual ~AliMagFC(){} |
6f3038e9 | 26 | virtual void Field(Float_t *x, Float_t *b) const; |
aee8290b | 27 | virtual void ReadField() {} |
6f3038e9 | 28 | virtual void ZDCField(Float_t *x, Float_t *b) const; |
e21c5d70 | 29 | virtual void SetBeamType(BeamType_t type) {fBeamType = type;} |
30 | virtual void SetBeamEnergy(Float_t energy) {fBeamEnergy = energy;} | |
c28c3a0b | 31 | virtual void SetCompensatorMagnet(Bool_t flag) {fCompensator = flag;} |
60378f15 | 32 | |
33 | private: | |
34 | Bool_t fCompensator; // Flag for compensator magnetic field (kTrue -> ON) | |
35 | BeamType_t fBeamType; // Beam type: A-A (fBeamType=0) or p-p (fBeamType=1) | |
36 | Float_t fBeamEnergy; // Beam energy in GeV | |
27bf203e | 37 | mutable Float_t fQuadGradient;// Gradient field for inner triplet quadrupoles |
38 | mutable Float_t fDipoleField; // Field value for D1 and D2 dipoles | |
39 | mutable Float_t fCCorrField; // Side C 2nd compensator field | |
40 | mutable Float_t fACorr1Field; // Side A 1st compensator field | |
41 | mutable Float_t fACorr2Field; // Side A 2nd compensator field | |
60378f15 | 42 | |
43 | ClassDef(AliMagFC,3) //Class for all Alice Constant MagField | |
aee8290b | 44 | }; |
45 | ||
575c700d | 46 | |
60378f15 | 47 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ZDC part %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
575c700d | 48 | |
53cc0d31 | 49 | // ************************ LHC optics v6.5 ***************************** |
60378f15 | 50 | // ---- Position of the magnetic elements of LHC beam optics ---- |
51 | // -> SIDE C | |
52 | static const Float_t kCCorrBegin = -1972.5, kCCorrEnd = kCCorrBegin - 153., kCCorrSqRadius = 4.5*4.5; | |
5ba7c883 | 53 | // |
60378f15 | 54 | static const Float_t kCTripletBegin = -2296.5; |
55 | static const Float_t kCQ1Begin = kCTripletBegin, kCQ1End = kCQ1Begin-637., kCQ1SqRadius = 3.5*3.5; | |
56 | static const Float_t kCQ2Begin = kCTripletBegin-908.5, kCQ2End = kCQ2Begin-550., kCQ2SqRadius = 3.5*3.5; | |
57 | static const Float_t kCQ3Begin = kCTripletBegin-1558.5, kCQ3End = kCQ3Begin-550., kCQ3SqRadius = 3.5*3.5; | |
58 | static const Float_t kCQ4Begin = kCTripletBegin-2400., kCQ4End = kCQ4Begin-637., kCQ4SqRadius = 3.5*3.5; | |
5ba7c883 | 59 | // |
60378f15 | 60 | static const Float_t kCD1Begin = -5838.3, kCD1End = kCD1Begin-945., kCD1SqRadius = 4.5*4.5; |
61 | static const Float_t kCD2Begin = -12167.8, kCD2End = kCD2Begin-945., kCD2SqRadius = 4.5*4.5; | |
62 | static const Float_t kCD2XCentre1 = -9.7; | |
63 | static const Float_t kCD2XCentre2 = 9.7; | |
5ba7c883 | 64 | // |
60378f15 | 65 | // -> SIDE A |
66 | // NB -> kACorr1Begin = 919. to be checked | |
67 | static const Float_t kACorr1Begin = 919., kACorr1End = kACorr1Begin+260., kCCorr1SqRadius = 4.*4.; | |
68 | static const Float_t kACorr2Begin = 1972.5, kACorr2End = kACorr2Begin+153., kCCorr2SqRadius = 4.5*4.5; | |
69 | static const Float_t kATripletBegin = 2296.5; | |
70 | static const Float_t kAQ1Begin = kATripletBegin, kAQ1End = kAQ1Begin+637., kAQ1SqRadius = 3.5*3.5; | |
71 | static const Float_t kAQ2Begin = kATripletBegin+908.5, kAQ2End = kAQ2Begin+550., kAQ2SqRadius = 3.5*3.5; | |
72 | static const Float_t kAQ3Begin = kATripletBegin+1558.5, kAQ3End = kAQ3Begin+550., kAQ3SqRadius = 3.5*3.5; | |
73 | static const Float_t kAQ4Begin = kATripletBegin+2400., kAQ4End = kAQ4Begin+637., kAQ4SqRadius = 3.5*3.5; | |
5ba7c883 | 74 | // |
60378f15 | 75 | static const Float_t kAD1Begin = 5838.3, kAD1End = kAD1Begin+945., kAD1SqRadius = 3.375*3.375; |
76 | static const Float_t kAD2Begin = 12167.8, kAD2End = kAD2Begin+945., kAD2SqRadius = 3.75*3.75; | |
77 | static const Float_t kAD2XCentre1 = -9.4; | |
78 | static const Float_t kAD2XCentre2 = 9.4; | |
5ba7c883 | 79 | |
60378f15 | 80 | // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ZDC part %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
575c700d | 81 | |
aee8290b | 82 | #endif |
60378f15 | 83 |