Constants.h

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#ifndef PidConstants_H
#define PidConstants_H 1
 
#include <unordered_map>
 
namespace PidParticles {
enum eParticle {
  kBgPos = 1,
  kBgNeg = -1,
  kProton = 2212,
  kAntiProton = -2212,
  kPionPos = 211,
  kPionNeg = -211,
  kKaonPos = 321,
  kKaonNeg = -321,
  kDeutron = 1000010020,
  kHe3 = 1000020030,
  kHe4 = 1000020040
};
 
const std::unordered_map<int, float> masses =
    {
        {kBgPos, 0.},
        {kBgNeg, 0.},
        {kProton, 0.938},
        {kAntiProton, 0.938},
        {kPionPos, 0.140},
        {kPionNeg, 0.140},
        {kKaonPos, 0.498},
        {kKaonNeg, 0.498},
        {kDeutron, 1.862},
        {kHe3, 2.793},
        {kHe4, 3.724},
};
}// namespace PidParticles
 
namespace PidFunction {
enum eNames {
  kA = 0,
  kMean,
  kSigma,
  nParams
};
}
 
#endif