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. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
19 #include "AliMUONConstants.h"
21 ClassImp(AliMUONConstants)
23 Int_t AliMUONConstants::fgNCh = 14;
24 Int_t AliMUONConstants::fgNTrackingCh = 10;
25 Int_t AliMUONConstants::fgNTriggerCh = 4;
26 Int_t AliMUONConstants::fgNTriggerCircuit = 234;
27 Int_t AliMUONConstants::fgNDetElem = 228;
31 Float_t AliMUONConstants::fgDefaultChamberZ[14] =
32 {-526.16, -545.24, -676.4, -695.4, // St12
33 -967.5, -998.5, -1276.5, -1307.5, -1406.6, -1437.6,// updated 08/05, EDMS id 335328 (A. Tournaire)
34 -1603.5, -1620.5, -1703.5, -1720.5}; // M1 & M2
36 Float_t AliMUONConstants::fgDzCh = 15.5/2.;
37 Float_t AliMUONConstants::fgDzSlat = 8.5/2.;
39 Float_t AliMUONConstants::fgSqrtKx3 = 0.7131;
40 Float_t AliMUONConstants::fgSqrtKy3 = 0.7642;
42 Float_t AliMUONConstants::fgSqrtKx3St1 = 0.7000;
43 Float_t AliMUONConstants::fgSqrtKy3St1 = 0.7550;
45 Float_t AliMUONConstants::fgChargeCorrel = 0.11;
46 Float_t AliMUONConstants::fgChargeCorrelSt1 = 1.0; //???
47 Float_t AliMUONConstants::fgPitch = 0.25;
48 Float_t AliMUONConstants::fgPitchSt1 = 0.21;
50 // From Alain TOURNAIRE
51 // ALICE / ALICE Engineering baseline / Dimuonspectrometer (DIS) v7-1
52 // EDMS Id 335328 for "search in EDMS
53 // These are the diameter (innner and ounner) values of the active surface
54 Float_t AliMUONConstants::fgDmin[7] = { 36.4, 46.2, 63.0, 79.0, 79.0, 99.0, 100.0};
55 Float_t AliMUONConstants::fgDmax[7] = { 176.6, 229.0, 308.84, 418.2, 522.0, 850.0, 900.0};
57 Int_t AliMUONConstants::fgMaxZoom = 20;
59 //______________________________________________________________________________
60 Int_t AliMUONConstants::ChamberNumber(Float_t z)
62 // return chamber number according z position of hit. Should be taken from geometry ?
64 Float_t dMaxChamber = DzSlat() + DzCh() + 0.25; // cm st 3 &4 & 5
65 if ( z > (DefaultChamberZ(4)+50.)) dMaxChamber = 7.; // cm stations 1 & 2
68 for (iChamber = 0; iChamber < 10; iChamber++) {
70 if (TMath::Abs(z-DefaultChamberZ(iChamber)) < dMaxChamber) {