1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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8 * documentation strictly for non-commercial purposes is hereby granted *
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12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //_________________________________________________________________________
19 // Geometry class for PHOS : CPV (Charged particle veto, IHEP version)
20 // Its data members provide geometry parametrization of CPV
21 // which can be changed in the constructor only.
22 // Author: Yuri Kharlov (IHEP, Protvino)
25 // --- ROOT system ---
27 // --- Standard library ---
29 // --- AliRoot header files ---
31 #include "AliPHOSCPVGeometry.h"
33 ClassImp(AliPHOSCPVGeometry)
35 //____________________________________________________________________________
36 AliPHOSCPVGeometry::AliPHOSCPVGeometry()
37 : fNumberOfCPVLayers(1),
38 fNumberOfCPVPadsPhi(128),
39 fNumberOfCPVPadsZ(56),
42 fNumberOfCPVChipsPhi(8),
43 fNumberOfCPVChipsZ(8),
44 fCPVGasThickness(1.3),
45 fCPVTextoliteThickness(0.1),
46 fCPVCuNiFoilThickness(56e-04)
49 // Initializes the CPV parameters
50 fCPVFrameSize[0] = 2.5;
51 fCPVFrameSize[1] = 5.1;
52 fCPVFrameSize[2] = 2.5;
53 fGassiplexChipSize[0] = 4.2;
54 fGassiplexChipSize[1] = 0.1;
55 fGassiplexChipSize[2] = 6.0;
61 fCPVActiveSize[0] = fNumberOfCPVPadsPhi * fCPVPadSizePhi;
62 fCPVActiveSize[1] = fNumberOfCPVPadsZ * fCPVPadSizeZ;
63 fCPVBoxSize[0] = fCPVActiveSize[0] + 2 * fCPVFrameSize[0];
64 fCPVBoxSize[1] = fCPVFrameSize[1] * fNumberOfCPVLayers + 0.1;
65 fCPVBoxSize[2] = fCPVActiveSize[1] + 2 * fCPVFrameSize[2];
68 //____________________________________________________________________________