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15a7563b | 1 | #ifndef ABSOCONST_H |
2 | #define ABSOCONST_H | |
3 | ||
4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | // start of 2deg cone | |
77976fd8 | 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; | |
15a7563b | 13 | // start of the absorber |
14 | const Float_t zAbsStart = 90.; | |
15 | // end of the W-nose | |
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.; | |
21 | ||
22 | // max acceptance angle | |
23 | const Float_t accMax = 10.*kDegrad; | |
24 | // angle of nose | |
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; | |
30 | // | |
31 | // thicknesses defining the absorber | |
32 | // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
33 | // steel envelope | |
34 | const Float_t dSteel = 1.; | |
35 | // poly-ethylene layer | |
36 | const Float_t dPoly = 5.0; | |
37 | ||
38 | ||
39 | ||
40 | ||
41 | #endif | |
77976fd8 | 42 |