Constructor Detail

• PromcUtil

  public PromcUtil()

Method Detail

• getParticle

  public static HEParticle getParticle(ProMC.ProMCEvent.Particles pa,
                                       int energy_unit,
                                       int length_unit,
                                       int j)

  For a given momentum unit, create a Lorentz particle object at the position j. It keeps 4-momentum, postion, PDG ID, status etc.

  Parameters:

  pa - particle record from a ProMC file

  energy_unit - momentum / energy unit used to create a 4-momentum from a varint (int64)

  length_unit - length unit used to create (x,y,z,t) from a varint (int64)

  j - position of the particle in the ProMC record

  Returns:

  a HEP Lorentz particle of the record.

• getPosition

  public static LParticle getPosition(ProMC.ProMCEvent.Particles pa,
                                      int unit,
                                      int j)

  For a given space/time unit, create a particle with postions X, Y,Z,Time.

  Parameters:

  pa - particle record from a ProMC file.

  unit - space/time lenght unit used to convert a varint to a value.

  j - position of particle in the record

  Returns:

  particle position

• getLParticleList

  public static List<LParticle> getLParticleList(ProMCHeaderFile.ProMCHeader header,
                                                 ProMC.ProMCEvent.Particles pa,
                                                 int status,
                                                 double pTmin,
                                                 double etaMax)

  Fill particles from ProMC and apply some cuts if available. Also you can apply some basic cuts.

  Parameters:

  header - header from ProMC file

  pa - particle record from ProMC file

  status - status code for particles to be accepted. For final state, use status==1

  pTmin - minimum pT cut for filled particles. If pTmin less than, do not apply any pT cut

  etaMax - maximum Eta (pseudorapidity) cut on filled particles. If etaMax greater than 1000, no any Eta cut is applied.

• getLParticleArray

  public static LParticle[] getLParticleArray(ProMCHeaderFile.ProMCHeader header,
                                              ProMC.ProMCEvent.Particles pa,
                                              int status,
                                              double pTmin,
                                              double etaMax)

  Fill particles from ProMC and apply into array after some cuts if available. Also you can apply some basic cuts.

  Parameters:

  header - header from ProMC file

  pa - particle record from ProMC file

  status - status code for particles to be accepted. For final state, use status==1

  pTmin - minimum pT cut for filled particles. If pTmin less than, do not apply any pT cut

  etaMax - maximum Eta (pseudorapidity) cut on filled particles. If etaMax greater than 1000, no any Eta cut is applied.

• getParticleFList

  public static List<ParticleF> getParticleFList(ProMCHeaderFile.ProMCHeader header,
                                                 ProMC.ProMCEvent.Particles pa,
                                                 int status,
                                                 double pTmin,
                                                 double etaMax)

  Fill particles from ProMC and apply some cuts if available. Use float precisions for particle definitions. Also you can apply some basic cuts.

  Parameters:

  header - header from ProMC file

  pa - particle record from ProMC file

  status - status code for particles to be accepted. For final state, use status==1

  pTmin - minimum pT cut for filled particles. If pTmin less than, do not apply any pT cut

  etaMax - maximum Eta (pseudorapidity) cut on filled particles. If etaMax greater than 1000, no any Eta cut is applied.

• getParticleFList

  public static List<ParticleF> getParticleFList(ProMCHeaderFile.ProMCHeader header,
                                                 ProMC.ProMCEvent.Particles pa,
                                                 double pTmin,
                                                 double etaMax)

  Fill particles from ProMC from a typical NLO program, and apply some cuts if available. Use float precisions for particle definitions. Also you can apply some basic cuts.

  Parameters:

  header - header from ProMC file

  pa - particle record from ProMC file

  pTmin - minimum pT cut for filled particles. If pTmin less than, do not apply any pT cut

  etaMax - maximum Eta (pseudorapidity) cut on filled particles. If etaMax greater than 1000, no any Eta cut is applied.

• getParticleDList

  public static List<ParticleD> getParticleDList(ProMCHeaderFile.ProMCHeader header,
                                                 ProMC.ProMCEvent.Particles pa,
                                                 double pTmin,
                                                 double etaMax)

  Fill particles from ProMC from a typical NLO program, and apply some cuts if available. Use double precisions for particle definitions. Also you can apply some basic cuts.

  Parameters:

  header - header from ProMC file

  pa - particle record from ProMC file

  pTmin - minimum pT cut for filled particles. If pTmin less than, do not apply any pT cut

  etaMax - maximum Eta (pseudorapidity) cut on filled particles. If etaMax greater than 1000, no any Eta cut is applied.

• getParticleDList

  public static List<ParticleD> getParticleDList(double unit,
                                                 proio.model.Mc.VarintPackedParticles pa,
                                                 double pTmin,
                                                 double etaMax)

  Fill particles from ProIO and apply some cuts if available. Use double precisions for particle definitions. Also you can apply some basic cuts.

  Parameters:

  unit - energy unit used to convert varint type of px,py,pz,e to floats

  pa - particle record from ProIO file

  pTmin - minimum pT cut for filled particles. If pTmin less than, do not apply any pT cut

  etaMax - maximum Eta (pseudorapidity) cut on filled particles. If etaMax greater than 1000, no any Eta cut is applied.

• getParticleDList

  public static List<ParticleD> getParticleDList(ProMCHeaderFile.ProMCHeader header,
                                                 ProMC.ProMCEvent.Particles pa,
                                                 int status,
                                                 double pTmin,
                                                 double etaMax)

  Fill particles from ProMC and apply some cuts if available. Use double precision particle definition. Also you can apply some basic cuts.

  Parameters:

  header - header from ProMC file

  pa - particle record from ProMC file

  status - status code for particles to be accepted. For final state, use status==1

  pTmin - minimum pT cut for filled particles. If pTmin less than, do not apply any pT cut

  etaMax - maximum Eta (pseudorapidity) cut on filled particles. If etaMax greater than 1000, no any Eta cut is applied.

• getParticleDList

  public static List<ParticleD> getParticleDList(double unit,
                                                 proio.model.Mc.VarintPackedParticles pa,
                                                 int status,
                                                 double pTmin,
                                                 double etaMax)

  Fill particles from ProIO and apply some cuts if available. Use double precision particle definition. Also you can apply some basic cuts.

  Parameters:

  unit - energy unit for varint to float conversions

  pa - particle record from ProIO file

  status - status code for particles to be accepted. For final state, use status==1

  pTmin - minimum pT cut for filled particles. If pTmin less than, do not apply any pT cut

  etaMax - maximum Eta (pseudorapidity) cut on filled particles. If etaMax greater than 1000, no any Eta cut is applied.