CGEM BOSS 6.6.5.g
BESIII Offline Software System
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MdcParameter.cxx
Go to the documentation of this file.
2#include "GaudiKernel/Bootstrap.h"
3
4MdcParameter* MdcParameter::s_paramInstance = 0;
5
7 //return a pointer to an exclusive instance of MdcParameter
8 if (!s_paramInstance) s_paramInstance = new MdcParameter();
9 return s_paramInstance;
10}
11
13 _findEventVertex(1),
14 _evtTimeCorr(1),
15 _minPt(0.07), // minPt cut on r_phiFit
16 _minDr(7.5), //dr cut on r_phiFit
17 _t0OffSet(0.),
18 _xtCoEff(0.0344), // approx. quadric relation between drift distance and time
19 _doIt(1),
20 _mkMdst(true),
21 _mkTds(true),
22 _alpha(333.564095), //1.0Tesla
23 _mfield(-0.0010),
24
25 //control parameter in r-phi segment linking
26 _chi2_kappa(4000.), //
27 _Min_chi2(5000.), // (chi2-chi2_kappa) < Min_chi2 in track2D finding
28 _deltaPhi(31.82*M_PI/180), // seems not used
29
30 _D_phi1(6.53*M_PI/180), // linkAxialSegments_2_34
31 _D_phi2(4.45*M_PI/180.),// linkAxialSegments_3_4
32 _D_phi3(3.08*M_PI/180.),// linkAxialSegments_9_10
33 _chi2_1(0.039*3), // linkAxialSegments_2_34
34 _chi2_2(0.039*3), // linkAxialSegments_3_4
35 _chi2_3(0.039*3), // linkAxialSegments_9_10
36
37 _chi2_segfit(500), //reduce_noise
38
39 _hitscut(1), //2D track re-fitting
40
41 //parameter restriction on s_zFit
42 _nseg(2), //number of stereo SL segments in s_zFit
43 _nlength(2), //number of total hits
44 _nc(2),
45 _z_cut1(7.),
46 _z_cut2(4.)
47{
48}
49
51}
52
#define M_PI
Definition: TConstant.h:4
static MdcParameter * instance()
Definition: MdcParameter.cxx:6