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## Rivet analyses reference

### CLEOII_1995_I404590

Spectrum for $\Xi_c^{+}$ production at 10.58 GeV
Experiment: CLEOII (CESR)
Inspire ID: 404590
Status: VALIDATED
Authors:
• Peter Richardson
References:
• Phys.Lett. B373 (1996) 261-266
Beams: e+ e-
Beam energies: (5.3, 5.3) GeV
Run details:

Spectrum for $\Xi_c^{+}$ production at 10.58 GeV measured by CLEOII.

Source code: CLEOII_1995_I404590.cc
  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 // -*- C++ -*- #include "Rivet/Analysis.hh" #include "Rivet/Projections/Beam.hh" #include "Rivet/Projections/UnstableParticles.hh" namespace Rivet { /// @brief Xi_c+ spectrum class CLEOII_1995_I404590 : public Analysis { public: /// Constructor DEFAULT_RIVET_ANALYSIS_CTOR(CLEOII_1995_I404590); /// @name Analysis methods ///@{ /// Book histograms and initialise projections before the run void init() { // projections declare(Beam(), "Beams"); declare(UnstableParticles(), "UFS"); // book histos book(_h_x,2,1,1); } /// Perform the per-event analysis void analyze(const Event& event) { static const int idXi = 4232; const ParticlePair& beams = apply(event, "Beams").beams(); const double Emax = ( beams.first.p3().mod() + beams.second.p3().mod() ) / 2.0; const double Pmax = sqrt(sqr(Emax)-sqr(2.468)); const UnstableParticles& ufs = apply(event, "UFS"); for (const Particle& p : ufs.particles(Cuts::abspid==idXi)) { double xp = p.momentum().p3().mod()/Pmax; _h_x->fill(xp); } } /// Normalise histograms etc., after the run void finalize() { normalize(_h_x,1,false); } ///@} /// @name Histograms ///@{ Histo1DPtr _h_x; ///@} }; DECLARE_RIVET_PLUGIN(CLEOII_1995_I404590); }