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c1e38247 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
16 | ||
17 | //------------------------------------------------------------------------- | |
d6a49f20 | 18 | // Helper -DATA class ESD V0 vertex class |
c1e38247 | 19 | // contains effective errror parameterization |
20 | // Effective parameterization of resolution in DCA and PA as function of radii and momenta | |
21 | // Mini-max coeficient fPMinFraction... fPMaxFraction... | |
22 | // as limits for Error parameterization using Covariance matrix | |
d6a49f20 | 23 | // For detailes : see AliESDv0 class |
c1e38247 | 24 | // |
25 | // Origin: Marian Ivanov marian.ivanov@cern.ch | |
26 | //------------------------------------------------------------------------- | |
27 | ||
28 | ||
d6a49f20 | 29 | #include "AliESDV0Params.h" |
c1e38247 | 30 | |
31 | ||
d6a49f20 | 32 | ClassImp(AliESDV0Params) |
c1e38247 | 33 | |
61673d36 | 34 | |
db4c5c7d | 35 | |
c1e38247 | 36 | |
d6a49f20 | 37 | AliESDV0Params::AliESDV0Params() : |
fe12e09c | 38 | TObject(), |
39 | // These constants are used in the error parameterization using covariance matrix | |
c1e38247 | 40 | // minimal sigma in AP and DCA |
fe12e09c | 41 | fPSigmaOffsetD0(0.03), // minimal sigma of error estimate |
42 | fPSigmaOffsetAP0(0.005), | |
c1e38247 | 43 | // |
44 | // Effective parameterization of DCA resolution as function of pt and decay radii | |
45 | // | |
fe12e09c | 46 | fPSigmaMaxDE(0.5), |
47 | fPSigmaOffsetDE(0.06), | |
48 | fPSigmaCoefDE(0.02), | |
49 | fPSigmaRminDE(2.7), | |
c1e38247 | 50 | // |
51 | // | |
52 | // Effective parameterization of PA resolution as function of pt and decay radii | |
53 | // | |
fe12e09c | 54 | fPSigmaBase0APE(0.005), |
55 | fPSigmaMaxAPE(0.06), | |
56 | fPSigmaR0APE(0.02), | |
57 | fPSigmaR1APE(0.1), | |
58 | fPSigmaP0APE(0.7*0.4), | |
59 | fPSigmaP1APE(0.3*0.4), | |
c1e38247 | 60 | // |
61 | // | |
62 | // Minimax parameters | |
63 | // | |
fe12e09c | 64 | fPMinFractionAP0(0.5), |
65 | fPMaxFractionAP0(1.5), | |
66 | fPMinAP0(0.003), | |
67 | fPMinFractionD0(0.5), | |
68 | fPMaxFractionD0(1.5), | |
61673d36 | 69 | fPMinD0(0.05), |
70 | fkMaxDist0(0.1), | |
71 | fkMaxDist1(0.1), | |
72 | fkMaxDist(1.), | |
73 | fkMinPointAngle(0.85), | |
74 | fkMinPointAngle2(0.99), | |
75 | fkMinR(0.5), | |
76 | fkMaxR(220.), | |
77 | fkMinPABestConst(0.9999), | |
78 | fkMaxRBestConst(10.), | |
79 | fkCausality0Cut(0.19), | |
80 | fkLikelihood01Cut(0.45), | |
81 | fkLikelihood1Cut(0.5), | |
82 | fkCombinedCut(0.55), | |
83 | fkMinClFullTrk(5.0), | |
84 | fkMinTgl0(1.05), | |
85 | ||
86 | fkMinClForb0(4.5), | |
87 | fkMinRTgl0(40.), | |
88 | fkMinNormDistForbTgl0(3.0), | |
89 | fkMinNormDistForb1(3.0), | |
90 | fkMinNormDistForb2(2.0), | |
91 | fkMinNormDistForb3(1.0), | |
92 | fkMinNormDistForb4(4.0), | |
93 | fkMinNormDistForb5(5.0), | |
83052b75 | 94 | fkMinNormDistForbProt(2.0), |
95 | fkMaxPidProbPionForb(0.5), | |
61673d36 | 96 | fkMinRTPCdensity(40.), |
97 | fkMaxRTPCdensity0(110.), | |
98 | fkMaxRTPCdensity10(120.), | |
99 | fkMaxRTPCdensity20(130.), | |
100 | fkMaxRTPCdensity30(140.), | |
101 | ||
102 | fkMinTPCdensity(0.6), | |
103 | fkMinTgl1(1.1), | |
104 | fkMinTgl2(1.), | |
105 | fkMinchi2before0(16.), | |
106 | fkMinchi2before1(16.), | |
107 | fkMinchi2after0(16.), | |
108 | fkMinchi2after1(16.), | |
109 | fkAddchi2SharedCl(18.), | |
110 | fkAddchi2NegCl0(25.), | |
111 | fkAddchi2NegCl1(30.), | |
112 | ||
113 | fkSigp0Par0(0.0001), | |
114 | fkSigp0Par1(0.001), | |
115 | fkSigp0Par2(0.1), | |
116 | fkSigpPar0(0.5), | |
117 | fkSigpPar1(0.6), | |
118 | fkSigpPar2(0.4), | |
119 | fkMaxDcaLh0(0.5), | |
120 | ||
121 | fkChi2KF(100.), | |
122 | fkRobustChi2KF(100.), | |
123 | fgStreamLevel(0) | |
124 | ||
fe12e09c | 125 | // |
126 | ||
127 | { | |
128 | // | |
129 | // Default constructor | |
d6a49f20 | 130 | // Consult AliESDv0 to see actual error parameterization |
c1e38247 | 131 | // |
132 | } | |
133 | ||
134 | ||
135 |