rivet is hosted by Hepforge, IPPP Durham

Rivet analyses reference

CLEOII_1995_I397770

Spectrum for $\Xi_c^{*0}$ production at 10.58 GeV
Experiment: CLEOII (CESR)
Inspire ID: 397770
Status: VALIDATED
Authors:
• Peter Richardson
References:
• Phys.Rev.Lett. 75 (1995) 4364-4368
Beams: e+ e-
Beam energies: (5.3, 5.3) GeV
Run details:
• e+e- to hadrons

Spectrum for $\Xi_c^{*0}$ production at 10.58 GeV measured by CLEOII.

Source code: CLEOII_1995_I397770.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 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 // -*- C++ -*- #include "Rivet/Analysis.hh" #include "Rivet/Projections/Beam.hh" #include "Rivet/Projections/UnstableParticles.hh" namespace Rivet { /// @brief Xi_c*0 spectrum class CLEOII_1995_I397770 : public Analysis { public: /// Constructor DEFAULT_RIVET_ANALYSIS_CTOR(CLEOII_1995_I397770); /// @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); book(_r,3,1,1); book(_c_xi,"TMP/c_xi"); } // Check for explicit decay into pdgids bool isDecay(const Particle& mother, vector ids) { if(mother.pid()<0) { for(unsigned int ix=0;ix(event, "Beams").beams(); const double Emax = ( beams.first.p3().mod() + beams.second.p3().mod() ) / 2.0; const double Pmax = sqrt(sqr(Emax)-sqr(2.645)); 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); int sign = p.pid()/p.abspid(); if(isDecay(p,{sign*4232,-sign*211})) { _r->fill(0.5); } } unsigned int nxi = ufs.particles(Cuts::abspid==4232).size(); _c_xi->fill(nxi); } /// Normalise histograms etc., after the run void finalize() { normalize(_h_x); scale(_r, 1./ *_c_xi); } ///@} /// @name Histograms ///@{ Histo1DPtr _h_x,_r; CounterPtr _c_xi; ///@} }; DECLARE_RIVET_PLUGIN(CLEOII_1995_I397770); }