lhefile.LHEEvent_StableHiggs Class Reference

Inheritance diagram for lhefile.LHEEvent_StableHiggs:

Collaboration diagram for lhefile.LHEEvent_StableHiggs:

Public Member Functions
def	extracteventparticles (cls, lines, isgen)
Public Member Functions inherited from lhefile.LHEEvent
def	__init__ (self, event, isgen)
def	__iter__ (self)

Static Public Attributes
	nassociatedparticles = None

Additional Inherited Members
Public Attributes inherited from lhefile.LHEEvent
	weights
	weight
	isgen
	inputevent

Detailed Description

Definition at line 80 of file lhefile.py.

Member Function Documentation

extracteventparticles()

def lhefile.LHEEvent_StableHiggs.extracteventparticles	(		cls,
			lines,
			isgen
	)

Reimplemented from lhefile.LHEEvent.

Definition at line 82 of file lhefile.py.

  def extracteventparticles(cls, lines, isgen):
    daughters, mothers, associated = [], [], []
    for line in lines:
      id, status, mother1, mother2 = (int(_) for _ in line.split()[0:4])
      if (1 <= abs(id) <= 6 or abs(id) == 21) and not isgen:
        line = line.replace(str(id), "0", 1)  #replace the first instance of the jet id with 0, which means unknown jet
      if status == -1:
        mothers.append(line)
      if id == 25:
        if status != 1:
          raise ValueError("Higgs has status {}, expected it to be 1\n\n".format(status) + "\n".join(lines))
        daughters.append(line)
      if abs(id) in (0, 1, 2, 3, 4, 5, 11, 12, 13, 14, 15, 16, 21) and status == 1:
        associated.append(line)
 
    if len(daughters) != 1:
      raise ValueError("More than one H in the event??\n\n"+"\n".join(lines))
    if cls.nassociatedparticles is not None and len(associated) != cls.nassociatedparticles:
      raise ValueError("Wrong number of associated particles (expected {}, found {})\n\n".format(cls.nassociatedparticles, len(associated))+"\n".join(lines))
    if len(mothers) != 2:
      raise ValueError("{} mothers in the event??\n\n".format(len(mothers))+"\n".join(lines))
 
    if not isgen: mothers = None
    return daughters, associated, mothers
 

Member Data Documentation

nassociatedparticles

lhefile.LHEEvent_StableHiggs.nassociatedparticles = None

static

Definition at line 107 of file lhefile.py.

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The documentation for this class was generated from the following file:

• MELA/python/lhefile.py