( PT > 500 * MeV ) &
( ( ADMASS ( 'Lambda_c+' ) < 105 * MeV )
| ( ADMASS ( 'Xi_c+' ) < 105 * MeV ) )
""" ,
ParticleCombiners = { '' : 'LoKi::VertexFitter:PUBLIC' }
)
# ==============================================================================
## XXX -> J/psi Xi_c+
# ==============================================================================
from GaudiConfUtils.ConfigurableGenerators import CombineParticles
from PhysSelPython.Wrappers import SimpleSelection
xibc_sel = SimpleSelection (
'SelXibc2psiXic' ,
CombineParticles ,
[ psix.psi () , xic_sel ] ,
## algorithm configuration
DecayDescriptors = [
" [ Xi_bc+ -> J/psi(1S) Xi_c+ ]cc" ,
" [ Xi_bc+ -> J/psi(1S) Lambda_c+ ]cc"
] ,
#
CombinationCut = " in_range ( 4 * GeV , AM , 20 * GeV ) ",
MotherCut = """
( VFASPF ( VCHI2PDOF ) < 4000 )
""" ,
ParticleCombiners = { '' : 'LoKi::VertexFitter:PUBLIC' }
)
# ==============================================================================
## B&W
# ==============================================================================
