4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. */
9 // const Float_t zTwoDeg = 125.9995;
10 // const Float_t zTwoDeg = 131.7267;
11 // const Float_t zTwoDeg = 117.4086;
12 const Float_t zTwoDeg = 128.863;
13 // start of the absorber
14 const Float_t zAbsStart = 90.;
16 const Float_t zNose = 102.;
17 // end of the 5deg line below the TPC field cage
18 const Float_t zConeTPC = 285.;
19 // start of concrete absorber
20 const Float_t zAbsCc = 315.;
22 // max acceptance angle
23 const Float_t accMax = 10.*kDegrad;
25 const Float_t theta1 = 24.*kDegrad;
26 // angle of second outer cone below field cage
27 const Float_t theta2 = 5. *kDegrad;
28 // outer angler of W rear shield
29 const Float_t thetaR = 3. *kDegrad;
31 // thicknesses defining the absorber
32 // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
34 const Float_t dSteel = 1.;
35 // poly-ethylene layer
36 const Float_t dPoly = 5.0;