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1 | #ifndef ABSOCONST_H | |
2 | #define ABSOCONST_H | |
3 | ||
4 | #include "AliConst.h" | |
5 | ||
6 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. */ | |
7 | ||
8 | /* $Id$ */ | |
9 | ||
10 | // start of 2deg cone | |
11 | const Float_t kZTwoDeg = 128.863; | |
12 | // start of the absorber | |
13 | const Float_t kZAbsStart = 90.; | |
14 | // end of the W-nose | |
15 | const Float_t kZNose = 102.; | |
16 | // end of the 5deg line below the TPC field cage | |
17 | const Float_t kZConeTPC = 285.; | |
18 | // start of concrete absorber | |
19 | const Float_t kZAbsCc = 315.; | |
20 | ||
21 | // max acceptance angle | |
22 | const Float_t kAccMax = 10.*kDegrad; | |
23 | // angle of nose | |
24 | const Float_t kTheta1 = 24.*kDegrad; | |
25 | // angle of second outer cone below field cage | |
26 | const Float_t kTheta2 = 5. *kDegrad; | |
27 | // outer angler of W rear shield | |
28 | const Float_t kThetaR = 3. *kDegrad; | |
29 | // | |
30 | // thicknesses defining the absorber | |
31 | // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
32 | // steel envelope | |
33 | const Float_t kDSteel = 1.; | |
34 | // poly-ethylene layer | |
35 | const Float_t kDPoly = 5.0; | |
36 | ||
37 | ||
38 | ||
39 | ||
40 | #endif | |
41 |