1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
| // -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/ChargedFinalState.hh"
#include "Rivet/Projections/TriggerCDFRun0Run1.hh"
namespace Rivet {
/// @brief CDF track \f$ p_\perp \f$ distributions at 630 and 1800 GeV
class CDF_1988_S1865951 : public Analysis {
public:
RIVET_DEFAULT_ANALYSIS_CTOR(CDF_1988_S1865951);
/// @name Analysis methods
//@{
/// Book histograms and set up projections
void init() {
// Set up projections
declare(TriggerCDFRun0Run1(), "Trigger");
const ChargedFinalState cfs((Cuts::etaIn(-1.0, 1.0) && Cuts::pT >= 0.4*GeV));
declare(cfs, "CFS");
// Book histo
if (isCompatibleWithSqrtS(1800)) {
book(_hist_pt ,1, 1, 1);
} else if (isCompatibleWithSqrtS(630)) {
book(_hist_pt ,2, 1, 1);
}
book(_sumWTrig, "sumWTrig");
}
/// Do the analysis
void analyze(const Event& event) {
// Trigger
const bool trigger = apply<TriggerCDFRun0Run1>(event, "Trigger").minBiasDecision();
if (!trigger) vetoEvent;
_sumWTrig->fill();
const FinalState& trackfs = apply<ChargedFinalState>(event, "CFS");
for (Particle p : trackfs.particles()) {
const double pt = p.pT()/GeV;
// Effective weight for d3sig/dp3 = weight / ( Delta eta * 2pi * pt ), with Delta(eta) = 2
const double eff_weight = 1.0/(2*2*TWOPI*pt);
_hist_pt->fill(pt, eff_weight);
}
}
/// Scale histos
void finalize() {
scale(_hist_pt, crossSectionPerEvent()/millibarn);
}
//@}
private:
/// Counter
CounterPtr _sumWTrig;
/// Histo
Histo1DPtr _hist_pt;
};
RIVET_DECLARE_ALIASED_PLUGIN(CDF_1988_S1865951, CDF_1988_I263320);
}
|