Rivet analyses referenceMARKI_1982_I169326Charged particle multiplicity for energies between 2.6 and 7.8 GeVExperiment: MARKI (SPEAR) Inspire ID: 169326 Status: VALIDATED Authors:
Beam energies: (1.3, 1.3); (1.4, 1.4); (1.5, 1.5); (1.6, 1.6); (1.6, 1.6); (1.6, 1.6); (1.7, 1.7); (1.7, 1.7); (1.8, 1.8); (1.8, 1.8); (1.8, 1.8); (1.8, 1.8); (1.9, 1.9); (1.9, 1.9); (1.9, 1.9); (1.9, 1.9); (2.0, 2.0); (2.0, 2.0); (2.0, 2.0); (2.0, 2.0); (2.1, 2.1); (2.1, 2.1); (2.1, 2.1); (2.1, 2.1); (2.2, 2.2); (2.2, 2.2); (2.2, 2.2); (2.2, 2.2); (2.3, 2.3); (2.3, 2.3); (2.3, 2.3); (2.4, 2.4); (2.4, 2.4); (2.5, 2.5); (2.5, 2.5); (2.6, 2.6); (2.6, 2.6); (2.7, 2.7); (2.8, 2.8); (2.8, 2.8); (2.9, 2.9); (2.9, 2.9); (2.9, 2.9); (2.9, 2.9); (3.0, 3.0); (3.0, 3.0); (3.0, 3.0); (3.0, 3.0); (3.0, 3.0); (3.1, 3.1); (3.1, 3.1); (3.1, 3.1); (3.1, 3.1); (3.2, 3.2); (3.2, 3.2); (3.2, 3.2); (3.2, 3.2); (3.3, 3.3); (3.3, 3.3); (3.3, 3.3); (3.4, 3.4); (3.4, 3.4); (3.4, 3.4); (3.4, 3.4); (3.5, 3.5); (3.5, 3.5); (3.5, 3.5); (3.5, 3.5); (3.5, 3.5); (3.6, 3.6); (3.6, 3.6); (3.6, 3.6); (3.6, 3.6); (3.7, 3.7); (3.7, 3.7); (3.7, 3.7); (3.8, 3.8); (3.9, 3.9) GeV Run details:
Charged particle multiplicity for energies between 2.6 and 7.8 GeV. Beam energy must be specified as analysis option "ENERGY" when rivet-merging samples. Source code: MARKI_1982_I169326.cc 1// -*- C++ -*-
2#include "Rivet/Analysis.hh"
3#include "Rivet/Projections/ChargedFinalState.hh"
4
5namespace Rivet {
6
7
8 /// @brief Charged multiplicity
9 class MARKI_1982_I169326 : public Analysis {
10 public:
11
12 /// Constructor
13 RIVET_DEFAULT_ANALYSIS_CTOR(MARKI_1982_I169326);
14
15
16 /// @name Analysis methods
17 /// @{
18
19 /// Book histograms and initialise projections before the run
20 void init() {
21
22 // Initialise and register projections
23 declare(ChargedFinalState(), "FS");
24
25 // Book histograms
26 book(_nHadrons, 6, 1, 1);
27 for (const string& en : _nHadrons.binning().edges<0>()) {
28 const double end = std::stod(en)*GeV;
29 if (isCompatibleWithSqrtS(end)) {
30 _ecms = en;
31 break;
32 }
33 }
34 if(_ecms.empty()) MSG_ERROR("Beam energy incompatible with analysis.");
35 }
36
37
38 /// Perform the per-event analysis
39 void analyze(const Event& event) {
40 const ChargedFinalState& fs = apply<ChargedFinalState>(event, "FS");
41 _nHadrons->fill(_ecms,fs.particles().size());
42 }
43
44
45 /// Normalise histograms etc., after the run
46 void finalize() {}
47 /// @}
48
49
50 /// @name Histograms
51 /// @{
52 BinnedProfilePtr<string> _nHadrons;
53 string _ecms;
54 /// @}
55
56
57 };
58
59
60 RIVET_DECLARE_PLUGIN(MARKI_1982_I169326);
61
62
63}
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