GauginosConfig.py

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# Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
 
from AthenaConfiguration.ComponentFactory import CompFactory
from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
from AthenaCommon.SystemOfUnits import GeV,ns # noqa: F401
 
 
def GauginosPhysicsToolCfg(flags, name="GauginosPhysicsTool", **kwargs):
    result = ComponentAccumulator()
    # Example specialConfiguration {'GMSBSlepton': '100.0*GeV', 'GMSBGravitino': '1e-07*GeV', 'GMSBSleptonTime': '0.01*ns'}
    NeutralinoMass = 0*GeV
    if "coannihilationNeutralino" in flags.Input.SpecialConfiguration:
        NeutralinoMass = eval(flags.Input.SpecialConfiguration.get("coannihilationNeutralino", "0*GeV"))
        # The Neutralino is stable in this scenario, therefore leaving
        # NeutralinoLifetime at the C++ default value of -1
    elif "GMSBNeutralino" in flags.Input.SpecialConfiguration:
        NeutralinoMass = eval(flags.Input.SpecialConfiguration.get("GMSBNeutralino", "0*GeV"))
        GMSBTime = eval(flags.Input.SpecialConfiguration.get("GMSBLifeTime", "0*GeV"))
        kwargs.setdefault("NeutralinoLifetime",    GMSBTime)
 
    kwargs.setdefault("NeutralinoStable", "coannihilationNeutralino" in flags.Input.SpecialConfiguration)
    kwargs.setdefault("NeutralinoMass",        NeutralinoMass)
 
    if "GMSBGravitino" in flags.Input.SpecialConfiguration:
        GMSBGravitino = eval(flags.Input.SpecialConfiguration.get("GMSBGravitino", "0*GeV"))
        kwargs.setdefault("GravitinoMass",       GMSBGravitino)
    result.setPrivateTools( CompFactory.GauginosPhysicsTool(name, **kwargs) )
    return result
 
 
def NeutralinoToPhotonGravitinoCfg(flags, name="NeutralinoToPhotonGravitino", **kwargs):
    result = ComponentAccumulator()
    kwargs.setdefault("ParticleName","s_chi_0_1")
    kwargs.setdefault("BR", 1.0) # Branching Ratio
    kwargs.setdefault("Daughters","s_G,gamma")
    result.setPrivateTools( CompFactory.AddPhysicsDecayTool(name, **kwargs) )
    return result