// // ******************************************************************** // * License and Disclaimer * // * * // * The Geant4 software is copyright of the Copyright Holders of * // * the Geant4 Collaboration. It is provided under the terms and * // * conditions of the Geant4 Software License, included in the file * // * LICENSE and available at http://cern.ch/geant4/license . These * // * include a list of copyright holders. * // * * // * Neither the authors of this software system, nor their employing * // * institutes,nor the agencies providing financial support for this * // * work make any representation or warranty, express or implied, * // * regarding this software system or assume any liability for its * // * use. Please see the license in the file LICENSE and URL above * // * for the full disclaimer and the limitation of liability. * // * * // * This code implementation is the result of the scientific and * // * technical work of the GEANT4 collaboration. * // * By using, copying, modifying or distributing the software (or * // * any work based on the software) you agree to acknowledge its * // * use in resulting scientific publications, and indicate your * // * acceptance of all terms of the Geant4 Software license. * // ******************************************************************** // // Rich advanced example for Geant4 // RichTbGeometryParameters.hh for Rich of LHCb // History: // Created: Sajan Easo (Sajan.Easo@cern.ch) // Revision and changes: Patricia Mendez (Patricia.Mendez@cern.ch) ///////////////////////////////////////////////////////////////////////////// #ifndef RichTbGeometryParameters_h #define RichTbGeometryParameters_h 1 #include "globals.hh" #include "AerogelTypeSpec.hh" #include extern void InitializeRichTbGeometry(); extern G4double GetCurAerogelLength(G4int); // // static const G4double sqroot3=std::pow(3.0,0.5); //Size of the LHCb Rich Testbeam Hall. static const G4double ExpHallHalfX=4000.0*mm; static const G4double ExpHallHalfY=4000.0*mm; static const G4double ExpHallHalfZ=8000.0*mm; // The Hall is kept at the orgin of the coord system. // The coord system has +z along the beam direction and +y // going upwards. // //Now for the Vessel static const G4double VesselInnerRad=0.0*mm; static const G4double VesselOuterRad=275.0*mm; static const G4double VesselHalfZ=540.0*mm; static const G4double VesselStartPhi=0.0*rad; static const G4double VesselDelPhi=twopi*rad; static const G4double VesselPosX=0.0*mm; static const G4double VesselPosY=0.0*mm; static const G4double VesselPosZ=VesselHalfZ; //Now for the box containing the aerogel sample. static const G4double RadFrameHalfX=55.0*mm; static const G4double RadFrameHalfY=55.0*mm; static const G4double RadFrameHalfZ=55.0*mm; static const G4double RadFramePosX=0.0*mm; static const G4double RadFramePosY=0.0*mm; //The following are the Z positons of start of the radiator frame // and aerogel tiles. static const G4double RadFrameGenStartZ=185.0*mm; static const G4double AgelTileGenStartZ=190.0*mm; static const G4double RadFramePosZ= RadFrameGenStartZ+RadFrameHalfZ-VesselHalfZ; // Now for the aerogel blocks. They are made to start at 190mm from the // upstream edge of the box. // The following are dimensioned to MaxNumberOfAerogelTiles which // from the AerogelTypeSpec.hh file // //Now for the window of the radframe at its upstream and downstream // ends. // static const G4double RadHoldUpHalfX=50.0*mm; static const G4double RadHoldUpHalfY=50.0*mm; static const G4double RadHoldUpHalfZ=1.0*mm; static const G4double RadHoldUpPosX=0.0*mm; static const G4double RadHoldUpPosY=0.0*mm; static const G4double RadHoldUpPosZ=-RadFrameHalfZ+ RadHoldUpHalfZ; static const G4double RadWinUpOuterRad=40.0*mm; static const G4double RadWinUpInnerRad=0.0*mm; static const G4double RadWinUpHalfZ= RadHoldUpHalfZ+5.0*mm; static const G4double RadWinUpStartPhi=0.0*rad; static const G4double RadWinUpDelPhi=twopi*rad; static const G4double RadWinUpShiftX=0.0*mm; static const G4double RadWinUpShiftY=0.0*mm; static const G4double RadWinUpShiftZ=0.0*mm; // static const G4double RadHoldDnHalfX=50.0*mm; static const G4double RadHoldDnHalfY=50.0*mm; static const G4double RadHoldDnHalfZ=1.0*mm; static const G4double RadHoldDnPosX=0.0*mm; static const G4double RadHoldDnPosY=0.0*mm; static const G4double RadHoldDnShiftZ=15.0*mm; static const G4double RadHoldDnPosZ=RadFrameHalfZ- RadHoldDnShiftZ- RadHoldDnHalfZ; static const G4double RadWinDnOuterRad=40.0*mm; static const G4double RadWinDnInnerRad=0.0*mm; static const G4double RadWinDnHalfZ= RadHoldDnHalfZ+5.0*mm; static const G4double RadWinDnStartPhi=0.0*rad; static const G4double RadWinDnDelPhi=twopi*rad; static const G4double RadWinDnShiftX=0.0*mm; static const G4double RadWinDnShiftY=0.0*mm; static const G4double RadWinDnShiftZ=0.0*mm; // the following three variables are for each of the aerogel types. // In the G4example only 1 type is simply repeated 5 times. static const G4double AgelHalfX[]={35.0*mm,35.0*mm,35.0*mm,35.0*mm,35.0*mm}; static const G4double AgelHalfY[]={40.0*mm,40.0*mm,40.0*mm,40.0*mm,40.0*mm}; static const G4double AgelHalfZ[]={20.0*mm,20.0*mm,20.0*mm,20.0*mm,20.0*mm}; // The following 2 variables are for each tile. // for now no shifts forseen in the XY direction. static const G4double AgelPosX[]={0.0*mm,0.0*mm,0.0*mm,0.0*mm,0.0*mm}; static const G4double AgelPosY[]={0.0*mm,0.0*mm,0.0*mm,0.0*mm,0.0*mm}; static const G4double AgelStartZ= AgelTileGenStartZ-RadFrameGenStartZ-RadFrameHalfZ; static const G4double TotalAgelThickness=80.0*mm; static const G4double AgelTileGapZ=1.0*mm; static const G4double AgelEndZ= AgelStartZ+TotalAgelThickness+AgelTileGapZ; //Now for the wraps above and below the aerogel tiles. static const G4double AgelWrapTopHalfX[]= {35.0*mm,35.0*mm,35.0*mm,35.0*mm,35.0*mm}; static const G4double AgelWrapTopHalfY[]= {1.0*mm,1.0*mm,1.0*mm,1.0*mm,1.0*mm}; static const G4double AgelWrapTopHalfZ[]= {20.0*mm,20.0*mm,20.0*mm,20.0*mm,20.0*mm}; static const G4double AgelWrapTopPosX[]= {0.0*mm,0.0*mm,0.0*mm,0.0*mm,0.0*mm}; static const G4double AgelWrapBotHalfX[]= {35.0*mm,35.0*mm,35.0*mm,35.0*mm,35.0*mm}; static const G4double AgelWrapBotHalfY[]= {1.0*mm,1.0*mm,1.0*mm,1.0*mm,1.0*mm}; static const G4double AgelWrapBotHalfZ[]= {20.0*mm,20.0*mm,20.0*mm,20.0*mm,20.0*mm}; static const G4double AgelWrapBotPosX[]= {0.0*mm,0.0*mm,0.0*mm,0.0*mm,0.0*mm}; // in the G4Example only 1 type of filter is used. static const G4double FilterHalfX=53.0*mm; static const G4double FilterHalfY=53.0*mm; static const G4double GlassD263HalfZ=0.15*mm; static const G4double FilterHalfZArray[]={GlassD263HalfZ, GlassD263HalfZ, GlassD263HalfZ, GlassD263HalfZ, GlassD263HalfZ, GlassD263HalfZ }; // have a nominal value for the filter thickness. static const G4double FilterHalfZNominal= GlassD263HalfZ; static const G4double FilterPosX=0.0*mm; static const G4double FilterPosY=0.0*mm; //gap between aerogel and Filter in Z. static const G4double FilterAgelGapZ=2.5*mm; //nominal value for the Filter position static const G4double FilterPosZNominal= AgelEndZ+FilterAgelGapZ+ FilterHalfZNominal; //Now for the mirror // static const G4double MirrorRInner=1185.0*mm; static const G4double MirrorROuter=1191.0*mm; static const G4double MirrorHorizontalChord=350.0*mm; static const G4double MirrorVerticalChord=290.0*mm; // the following is 600+117+6 mm. // here 121 is the hpd Q window outer Z and 6 is the // thickness of the mirror // static const G4double MirrorShiftFromEnd=707.0*mm; static const G4double MirrorShiftFromEnd=723.0*mm; static const G4double MirrorNominalPosZ=MirrorShiftFromEnd-VesselHalfZ -MirrorRInner; static const G4double MirrorNominalRotX=0.0*rad; static const G4double MirrorNominalRotY=0.0*rad; //Now for each of the HPDs. // First the size of each part. static const G4double HpdMasterRad=64.00*mm; //static const G4double HpdMasterHalfZ=55.0*mm; static const G4double HpdMasterHalfZ=60.0*mm; static const G4double HpdEnvelopeLargeTubeInnerRad=58.5*mm; static const G4double HpdEnvelopeLargeTubeOuterRad=63.5*mm; //static const G4double HpdEnvelopeLargeTubeHalfZ=8.73*mm; static const G4double HpdEnvelopeLargeTubeHalfZ=11.0*mm; static const G4double HpdEnvelopeConeHalfZ=20.0*mm; static const G4double HpdEnvelopeSmallTubeHalfZ=10.0*mm; static const G4double HpdEnvelopeSmallTubeInnerRad=35.0*mm; static const G4double HpdEnvelopeSmallTubeOuterRad=40.0*mm; static const G4double HpdEnvelopeConeOuterR2=HpdEnvelopeLargeTubeOuterRad; static const G4double HpdEnvelopeConeInnerR2=HpdEnvelopeLargeTubeInnerRad; static const G4double HpdEnvelopeConeOuterR1=HpdEnvelopeSmallTubeOuterRad; static const G4double HpdEnvelopeConeInnerR1=HpdEnvelopeSmallTubeInnerRad; // static const G4double HpdEnvelopeEndCapRad=HpdEnvelopeSmallTubeOuterRad; static const G4double HpdEnvelopeEndCapHalfZ=2.5*mm; static const G4double HpdQuartzWindowThickness=4.0*mm; static const G4double HpdQuarzWindowROuter=100.0*mm; static const G4double HpdQuarzWindowRInner= HpdQuarzWindowROuter -HpdQuartzWindowThickness; static const G4double PhotoCathodeThickness=0.00004*mm; static const G4double HpdPhCathodeROuter= HpdQuarzWindowRInner; static const G4double HpdPhCathodeRInner= HpdQuarzWindowRInner - PhotoCathodeThickness; // The following obtained by arcsin(63.5/100) static const G4double HpdQuartzWThetaSize=0.6880*rad; // The following obtained by arcsin(57/(100-4)) static const G4double HpdPhCathodeThetaSize=0.6357*rad; // For defining cylinders and spherical segment.. static const G4double HpdMasterInnerRad=0.0*mm; static const G4double HpdMasterStartPhi=0.0*rad; static const G4double HpdMasterEndPhi=twopi*rad; static const G4double HpdEnvelopeLargeTubeStartPhi=0.0*rad; static const G4double HpdEnvelopeLargeTubeEndPhi=twopi*rad; static const G4double HpdEnvelopeConeStartPhi=0.0*rad; static const G4double HpdEnvelopeConeEndPhi=twopi*rad; static const G4double HpdEnvelopeSmallTubeStartPhi=0.0*rad; static const G4double HpdEnvelopeSmallTubeEndPhi=twopi*rad; static const G4double HpdEnvelopeEndCapInnerRad=0.0*mm; static const G4double HpdEnvelopeEndCapStartPhi=0.0*rad; static const G4double HpdEnvelopeEndCapEndPhi=twopi*rad; static const G4double HpdQuartzWPhiSize=twopi*rad; static const G4double HpdQuartzWStartTheta=0.0*rad; static const G4double HpdQuartzWStartPhi=0.0*rad; static const G4double HpdPhCathodePhiSize=twopi*rad; static const G4double HpdPhCathodeStartTheta=0.0*rad; static const G4double HpdPhCathodeStartPhi=0.0*rad; // Z locations of the various parts. static const G4double HpdQuartzPartFromEndZ=4.0*mm; //static const G4double HpdEnvelopePartFromEndZ=18.0*mm; // The following obtained by requiring 100-std::sqrt(100*100-63.5*63.5)=22.75 // for the quartz region in Z. The total is 22.75+4+4=30.75. static const G4double HpdEnvelopePartFromEndZ=30.75*mm; static const G4double HpdPhotoCathodeSiZdist=100.0*mm; //Silicon detector inside the HPD static const G4int NumberOfSiDetSectors=16; // Now for each one of the sector. // In the following the 0.0001 is to avoid graphics from crashing // for zero length of a triangle made from a trapozoid. static const G4double SiSectAngSize=(22.5*pi/180)*rad; static const G4double SiSectAngHalfSize=SiSectAngSize/2.0; static const G4double SiSectHeight=25.0*mm; static const G4double SiSectSide= SiSectHeight/std::cos(SiSectAngHalfSize); static const G4double SiSectHalfMoonGap=0.0*mm; static const G4double SiSectTrapHalfY1=0.15*mm; // halfthickness of Si. static const G4double SiSectTrapHalfY2= SiSectTrapHalfY1; static const G4double SiSectTrapHalfX1=0.0001*mm; static const G4double SiSectTrapHalfX2 = SiSectHeight*std::tan(SiSectAngHalfSize); static const G4double SiSectTrapHalfZ = SiSectHeight/2.0 ; static const G4double SiSectRotX=(90*pi/180)*rad; static const G4double SiSectAngStart=(pi/2.0)*rad-SiSectAngSize/2.0; // SiSectPosX and SiSectPosY are calculated in the cc file. static const G4double SiSectPosZ= HpdMasterHalfZ-HpdQuartzPartFromEndZ- HpdQuartzWindowThickness-HpdPhotoCathodeSiZdist; // // //Now for the coating on the Silicon surface. static const G4double SiSectCoatingAngSize=SiSectAngSize; static const G4double SiSectCoatingAngHalfSize=SiSectAngSize/2.0; static const G4double SiSectCoatingSide=SiSectSide; static const G4double SiSectCoatingHalfMoonGap=SiSectHalfMoonGap; static const G4double SiSectCoatingTrapHalfY1=0.05*mm; // SiCoating HalfThick. static const G4double SiSectCoatingTrapHalfY2= SiSectCoatingTrapHalfY1; static const G4double SiSectCoatingTrapHalfX1= SiSectTrapHalfX1; static const G4double SiSectCoatingTrapHalfX2= SiSectTrapHalfX2; static const G4double SiSectCoatingTrapHalfZ= SiSectTrapHalfZ; static const G4double SiSectCoatingRotX=SiSectRotX; static const G4double SiSectCoatingAngStart=SiSectAngStart; // SiSectCoatingPosX and SiSectCoatingPosY are calculated in the cc file. static const G4double SiSectCoatingPosZ = SiSectPosZ + SiSectTrapHalfY1+SiSectCoatingTrapHalfY1; // // static const G4double XsizePix=1.0*mm; static const G4double YsizePix=1.0*mm; static const G4double YsizeBigPix=2.0*mm; // the number of the big pixel in the pixel map on the web=59, hence // in the c++ array 58 since the array start from 0. static const G4int BigPixelNum=58; //Silicon pixels inside the Silicon detector. static const G4double SiPixelHalfY= SiSectTrapHalfY1; static const G4double SiPixelHalfX= XsizePix/2.0; static const G4double SiPixelHalfZ= YsizePix/2.0; // now for the big pixel at the centre of the hpd. static const G4double SiBigPixelHalfZ=YsizeBigPix/2.0; //Now for their relative locations static const G4double HpdEnvelopeLargeTubePosX=0.0*mm; static const G4double HpdEnvelopeLargeTubePosY=0.0*mm; static const G4double HpdEnvelopeLargeTubePosZ= HpdMasterHalfZ-HpdEnvelopePartFromEndZ-HpdEnvelopeLargeTubeHalfZ; static const G4double HpdEnvelopeConeShiftX=0.0*mm; static const G4double HpdEnvelopeConeShiftY=0.0*mm; static const G4double HpdEnvelopeConeShiftZ= -(HpdEnvelopeLargeTubeHalfZ+HpdEnvelopeConeHalfZ); static const G4double HpdEnvelopeSmallTubeShiftX=0.0*mm; static const G4double HpdEnvelopeSmallTubeShiftY=0.0*mm; static const G4double HpdEnvelopeSmallTubeShiftZ= -(HpdEnvelopeLargeTubeHalfZ+2*HpdEnvelopeConeHalfZ+ HpdEnvelopeSmallTubeHalfZ); static const G4double HpdEnvelopeEndCapShiftX=0.0*mm; static const G4double HpdEnvelopeEndCapShiftY=0.0*mm; static const G4double HpdEnvelopeEndCapShiftZ= -(HpdEnvelopeLargeTubeHalfZ+2*HpdEnvelopeConeHalfZ+ 2*HpdEnvelopeSmallTubeHalfZ+HpdEnvelopeEndCapHalfZ); static const G4double HpdQuartzWPosX=0.0*mm; static const G4double HpdQuartzWPosY=0.0*mm; static const G4double HpdQuartzWPosZ= HpdMasterHalfZ- HpdQuartzPartFromEndZ-HpdQuarzWindowROuter; static const G4double HpdPhCathodePosX=0.0*mm; static const G4double HpdPhCathodePosY=0.0*mm; static const G4double HpdPhCathodePosZ= HpdQuartzWPosZ; //Placement of the Hpd Si pixels in the Hpd Si Sector. static const G4int NumberOfPadHpdSiPixels=128; static const G4int MaxNumberOfPixRow=24; static const G4int MaxNumberOfPixCol=10; extern G4double PixRowNumSect[NumberOfPadHpdSiPixels]; extern G4double PixColNumSect[NumberOfPadHpdSiPixels]; extern G4bool PixelAtSectEdge[NumberOfPadHpdSiPixels]; // the following is for the rows after the central big pixel. // the central pixel is at row 0. // the others start from row number start at 1. // the following is 1 mm in the current setup. static const G4double RowInitPointBigPixel= SiSectTrapHalfZ*2.0 -(MaxNumberOfPixRow-1) * YsizePix - YsizeBigPix/2.0; // the following is 1.5 mm in the current setup. static const G4double RowInitPoint= SiSectTrapHalfZ*2.0 -(MaxNumberOfPixRow-1) * YsizePix - YsizePix/2.0; //The follwing two variables are defined in the cc file for this //include file as part of the class declared below. Since the // Si det plane is in the XZ plane, a swap of Y->Z and Z->Y is done // while positioning the Si Pixel. static const G4double HpdSiPixPosZ=0.0*mm; #ifndef RichTbPadHpdSiPixPos_h #define RichTbPadHpdSiPixPos_h 1 class RichTbPadHpdSiPixPos{ public: RichTbPadHpdSiPixPos(G4int); virtual ~RichTbPadHpdSiPixPos(); G4double getPadHpdSiPixPosX() {return PadHpdSiPixPosX;} G4double getPadHpdSiPixPosY() {return PadHpdSiPixPosY;} G4double getCurrentPixelnum(){return icurpixel;} private: G4double PadHpdSiPixPosX; G4double PadHpdSiPixPosY; G4int icurpixel; }; #endif //Placement of all the HPDs. static const G4int NumberOfHpds=4; static const G4double HpdPosRad=146.5*mm; static const G4double HpdZfromEnd=HpdMasterHalfZ-VesselPosZ+1.0*mm; static const G4double HpdMasterPosX[NumberOfHpds]= {HpdPosRad,0.0*mm,-HpdPosRad,0.0*mm}; static const G4double HpdMasterPosY[NumberOfHpds]= {0.0*mm,-HpdPosRad,0.0*mm,HpdPosRad}; static const G4double HpdMasterPosZ[NumberOfHpds]= {HpdZfromEnd,HpdZfromEnd,HpdZfromEnd,HpdZfromEnd}; //rot1 version of hpd rotations. static const G4double HpdMasterRotZ[NumberOfHpds]= {0.0*rad,(69.5*pi/180.0)*rad,(22.5*pi/180.0)*rad,(7.5*pi/180.0)*rad}; // // #endif