+ //
+ // Create ITS materials
+ // This function defines the default materials used in the Geant
+ // Monte Carlo simulations for the geometries AliITSv1 and AliITSv3.
+ // In general it is automatically replaced by
+ // the CreatMaterials routine defined in AliITSv?. Should the function
+ // CreateMaterials not exist for the geometry version you are using this
+ // one is used. See the definition found in AliITSv5 or the other routine
+ // for a complete definition.
+ //
+ // Water H2O
+ Float_t awat[2] = { 1.00794,15.9994 };
+ Float_t zwat[2] = { 1.,8. };
+ Float_t wwat[2] = { 2.,1. };
+ Float_t denswat = 1.;
+ // Freon
+ Float_t afre[2] = { 12.011,18.9984032 };
+ Float_t zfre[2] = { 6.,9. };
+ Float_t wfre[2] = { 5.,12. };
+ Float_t densfre = 1.5;
+ // Ceramics
+ // 94.4% Al2O3 , 2.8% SiO2 , 2.3% MnO , 0.5% Cr2O3
+ Float_t acer[5] = { 26.981539,15.9994,28.0855,54.93805,51.9961 };
+ Float_t zcer[5] = { 13.,8.,14.,25., 24. };
+ Float_t wcer[5] = { .49976,1.01233,.01307, .01782,.00342 };
+ Float_t denscer = 3.6;
+ //
+ // 60% SiO2 , 40% G10FR4
+ // PC board
+ Float_t apcb[3] = { 28.0855,15.9994,17.749 };
+ Float_t zpcb[3] = { 14.,8.,8.875 };
+ Float_t wpcb[3] = { .28,.32,.4 };
+ Float_t denspcb = 1.8;
+ // POLYETHYL
+ Float_t apoly[2] = { 12.01,1. };
+ Float_t zpoly[2] = { 6.,1. };
+ Float_t wpoly[2] = { .33,.67 };
+ // SERVICES
+ Float_t zserv[4] = { 1.,6.,26.,29. };
+ Float_t aserv[4] = { 1.,12.,55.8,63.5 };
+ Float_t wserv[4] = { .014,.086,.42,.48 };
+
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
+
+
+ // --- Define the various materials for GEANT ---
+
+ // 200-224 --> Silicon Pixel Detectors (detectors, chips, buses, cooling,..)
+
+ AliMaterial(0, "SPD Si$", 28.0855, 14., 2.33, 9.36, 999);
+ AliMaterial(1, "SPD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
+ AliMaterial(2, "SPD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
+ AliMaterial(3, "SPD C$", 12.011, 6., 2.265,18.8, 999);
+ // v. dens
+ AliMaterial(4, "SPD Air$", 14.61, 7.3, .001205, 30423., 999);
+ AliMaterial(5, "SPD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
+ AliMaterial(6, "SPD Al$", 26.981539, 13., 2.6989, 8.9, 999);
+ AliMixture( 7, "SPD Water $", awat, zwat, denswat, -2, wwat);
+ AliMixture( 8, "SPD Freon$", afre, zfre, densfre, -2, wfre);
+ // **
+ AliMedium(0, "SPD Si$", 0, 1,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(1, "SPD Si chip$", 1, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(2, "SPD Si bus$", 2, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(3, "SPD C$", 3, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(4, "SPD Air$", 4, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(5, "SPD Vacuum$", 5, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
+ AliMedium(6, "SPD Al$", 6, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(7, "SPD Water $", 7, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(8, "SPD Freon$", 8, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+
+ // 225-249 --> Silicon Drift Detectors (detectors, chips, buses, cooling,..)
+
+ AliMaterial(25, "SDD Si$", 28.0855, 14., 2.33, 9.36, 999);
+ AliMaterial(26, "SDD Si chip$", 28.0855, 14., 2.33, 9.36, 999);
+ AliMaterial(27, "SDD Si bus$", 28.0855, 14., 2.33, 9.36, 999);
+ AliMaterial(28, "SDD C$", 12.011, 6., 2.265,18.8, 999);
+ // v. dens
+ AliMaterial(29, "SDD Air$", 14.61, 7.3, .001205, 30423., 999);
+ AliMaterial(30, "SDD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
+ AliMaterial(31, "SDD Al$", 26.981539, 13., 2.6989, 8.9, 999);
+ // After a call with ratios by number (negative number of elements),
+ // the ratio array is changed to the ratio by weight, so all successive
+ // calls with the same array must specify the number of elements as
+ // positive
+ AliMixture(32, "SDD Water $", awat, zwat, denswat, 2, wwat);
+ // After a call with ratios by number (negative number of elements),
+ // the ratio array is changed to the ratio by weight, so all successive
+ // calls with the same array must specify the number of elements as
+ // positive
+ AliMixture( 33, "SDD Freon$", afre, zfre, densfre, 2, wfre);
+ AliMixture( 34, "SDD PCB$", apcb, zpcb, denspcb, 3, wpcb);
+ AliMaterial(35, "SDD Copper$", 63.546, 29., 8.96, 1.43, 999);
+ AliMixture( 36, "SDD Ceramics$", acer, zcer, denscer, -5, wcer);
+ AliMaterial(37, "SDD Kapton$", 12.011, 6., 1.3, 31.27, 999);
+ // **
+ // check A and Z
+ AliMedium(25, "SDD Si$", 25, 1,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(26, "SDD Si chip$", 26, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(27, "SDD Si bus$", 27, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(28, "SDD C$", 28, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(29, "SDD Air$", 29, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(30, "SDD Vacuum$", 30, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
+ AliMedium(31, "SDD Al$", 31, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(32, "SDD Water $", 32, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(33, "SDD Freon$", 33, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(34, "SDD PCB$", 34, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(35, "SDD Copper$", 35, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(36, "SDD Ceramics$",36, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(37, "SDD Kapton$", 37, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+
+ // 250-274 --> Silicon Strip Detectors (detectors, chips, buses, cooling,..)
+
+ AliMaterial(50, "SSD Si$", 28.0855, 14., 2.33, 9.36, 999.);
+ AliMaterial(51, "SSD Si chip$", 28.0855, 14., 2.33, 9.36, 999.);
+ AliMaterial(52, "SSD Si bus$", 28.0855, 14., 2.33, 9.36, 999.);
+ AliMaterial(53, "SSD C$", 12.011, 6., 2.265,18.8, 999.);
+ // v. dens
+ AliMaterial(54, "SSD Air$", 14.61, 7.3, .001205, 30423., 999);
+ AliMaterial(55, "SSD Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
+ AliMaterial(56, "SSD Al$", 26.981539, 13., 2.6989, 8.9, 999);
+ // After a call with ratios by number (negative number of elements),
+ // the ratio array is changed to the ratio by weight, so all successive
+ // calls with the same array must specify the number of elements as
+ // positive
+ AliMixture(57, "SSD Water $", awat, zwat, denswat, 2, wwat);
+ // After a call with ratios by number (negative number of elements),
+ // the ratio array is changed to the ratio by weight, so all successive
+ // calls with the same array must specify the number of elements as
+ // positive
+ AliMixture(58, "SSD Freon$", afre, zfre, densfre, 2, wfre);
+ AliMixture(59, "SSD PCB$", apcb, zpcb, denspcb, 3, wpcb);
+ AliMaterial(60, "SSD Copper$", 63.546, 29., 8.96, 1.43, 999.);
+ // After a call with ratios by number (negative number of elements),
+ // the ratio array is changed to the ratio by weight, so all successive
+ // calls with the same array must specify the number of elements as
+ // positive
+ AliMixture( 61, "SSD Ceramics$", acer, zcer, denscer, 5, wcer);
+ AliMaterial(62, "SSD Kapton$", 12.011, 6., 1.3, 31.27, 999.);
+ // check A and Z
+ AliMaterial(63, "SDD G10FR4$", 17.749, 8.875, 1.8, 21.822, 999.);
+ // **
+ AliMedium(50, "SSD Si$", 50, 1,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(51, "SSD Si chip$", 51, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(52, "SSD Si bus$", 52, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(53, "SSD C$", 53, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(54, "SSD Air$", 54, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(55, "SSD Vacuum$", 55, 0,isxfld,sxmgmx, 10.,1.00, .1, .100,10.00);
+ AliMedium(56, "SSD Al$", 56, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(57, "SSD Water $", 57, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(58, "SSD Freon$", 58, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(59, "SSD PCB$", 59, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(60, "SSD Copper$", 60, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(61, "SSD Ceramics$",61, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(62, "SSD Kapton$", 62, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(63, "SSD G10FR4$", 63, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+
+ // 275-299 --> General (end-caps, frames, cooling, cables, etc.)
+
+ AliMaterial(75, "GEN C$", 12.011, 6., 2.265, 18.8, 999.);
+ // verify density
+ AliMaterial(76, "GEN Air$", 14.61, 7.3, .001205, 30423., 999);
+ AliMaterial(77, "GEN Vacuum$", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
+ AliMixture( 78, "GEN POLYETHYL$", apoly, zpoly, .95, -2, wpoly);
+ AliMixture( 79, "GEN SERVICES$", aserv, zserv, 4.68, 4, wserv);
+ AliMaterial(80, "GEN Copper$", 63.546, 29., 8.96, 1.43, 999.);
+ // After a call with ratios by number (negative number of elements),
+ // the ratio array is changed to the ratio by weight, so all successive
+ // calls with the same array must specify the number of elements as
+ // positive
+ AliMixture(81, "GEN Water $", awat, zwat, denswat, 2, wwat);
+ // **
+ AliMedium(75,"GEN C$", 75, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(76,"GEN Air$", 76, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(77,"GEN Vacuum$", 77, 0,isxfld,sxmgmx, 10., .10, .1, .100,10.00);
+ AliMedium(78,"GEN POLYETHYL$",78, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(79,"GEN SERVICES$", 79, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(80,"GEN Copper$", 80, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);
+ AliMedium(81,"GEN Water $", 81, 0,isxfld,sxmgmx, 10., .01, .1, .003, .003);