GeneratorInterface/AlpgenInterface/interface/AlpgenHeader.h - master - githubmirror/cmssw

GeneratorInterface/AlpgenInterface/interface/AlpgenHeader.h

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16 май 2019, 15:48

16 май 2019, 15:480847e19

#ifndef GeneratorInterface_AlpgenInterface_AlpgenHeader_h
#define GeneratorInterface_AlpgenInterface_AlpgenHeader_h

#include <string>
#include <vector>
#include <map>

/// A structure that can parse and represent the contents
/// of an ALPGEN _unw.par run information file.
struct AlpgenHeader {
  enum Parameter {
    ih2 = 2,
    ebeam = 3,
    ndns = 4,
    iqopt = 5,
    qfac = 6,
    ickkw = 7,
    ktfac = 8,
    njets = 10,
    ihvy = 11,
    ihvy2 = 12,
    nw = 13,
    nz = 14,
    nh = 15,
    nph = 16,
    ptjmin = 30,
    ptbmin = 31,
    ptcmin = 32,
    ptlmin = 33,
    metmin = 34,
    ptphmin = 35,
    etajmax = 40,
    etabmax = 41,
    etacmax = 42,
    etalmax = 43,
    etaphmax = 44,
    drjmin = 50,
    drbmin = 51,
    drcmin = 52,
    drlmin = 55,
    drphjmin = 56,
    drphlmin = 57,
    drphmin = 58,
    mllmin = 61,
    mllmax = 62,
    iseed1 = 90,
    iseed2 = 91,
    itopprc = 102,
    cluopt = 160,
    iseed3 = 190,
    iseed4 = 191
  };

  /// Function to return the human-readable
  /// names of ALPGEN parameters.
  static std::string parameterName(Parameter index);

  enum Masses { mc = 0, mb, mt, mw, mz, mh, MASS_MAX };

  /// A function to parse a std::<vector<std::string> containing
  /// a _unw.par ALPGEN file, and store it in the internal structure.
  bool parse(const std::vector<std::string>::const_iterator &begin,
             const std::vector<std::string>::const_iterator &end);

  std::map<Parameter, double> params;
  unsigned int ihrd;
  double xsec;
  double xsecErr;
  double nEvents;
  double lumi;
  double masses[MASS_MAX];
};

#include "GeneratorInterface/AlpgenInterface/interface/AlpgenCommonBlocks.h"

#endif  // GeneratorInterface_AlpgenInterface_AlpgenHeader_h