Rivet analyses

Spectrum for Σc0, ++ production in e+e− at 10 GeV in the continuum

Experiment: ARGUS (DORIS)

Inspire ID: 261672

Status: VALIDATED

Authors: - Peter Richardson

References: - Phys.Lett. B211 (1988) 489-492

Beams: e- e+

Beam energies: (5.0, 5.0)GeV

Run details: - e+e− analysis near the Υ resonances

Measurement of the Σc0, ++ spectrum in e+e− collisions at 10 GeV.

Source code:ARGUS_1988_I261672.cc

// -*- C++ -*-
#include "Rivet/Analysis.hh"
#include "Rivet/Projections/UnstableParticles.hh"

namespace Rivet {


  /// @brief Sigma_c 0,++ spectrum
  class ARGUS_1988_I261672 : public Analysis {
  public:

    /// Constructor
    RIVET_DEFAULT_ANALYSIS_CTOR(ARGUS_1988_I261672);


    /// @name Analysis methods
    /// @{

    /// Book histograms and initialise projections before the run
    void init() {

      // Initialise and register projections
      declare(UnstableParticles(), "UFS");

      // Book histograms
      book(_h_x, 1, 1, 1);

    }


    /// Perform the per-event analysis
    void analyze(const Event& event) {
      for(const Particle& p : apply<UnstableParticles>(event, "UFS").particles(Cuts::abspid==4112 or Cuts::abspid==4222)) {
    const double xp = 2.*p.p3().mod()/sqrtS();
    _h_x->fill(xp);
      }
    }


    /// Normalise histograms etc., after the run
    void finalize() {
      normalize(_h_x);
    }

    /// @}


    /// @name Histograms
    /// @{
    Histo1DPtr _h_x;
    /// @}


  };


  RIVET_DECLARE_PLUGIN(ARGUS_1988_I261672);


}