def _makeXic02pKKpi(self):
'''Makes Xic0 -> p K K pi + cc'''
dm, units = LoKiCuts.cutValue(self.config['MASS_WINDOW'])
comboCuts = [
LoKiCuts(['ASUMPT'], self.config).code(),
"(ADAMASS('Xi_c0') < %s*%s) " % (dm + 10, units),
hasTopoChild()
]
comboCuts12 = [LoKiCuts(['ADOCA12'], self.config).code()]
comboCuts123 = [LoKiCuts(['ADOCA13'], self.config).code()]
comboCuts123.append(LoKiCuts(['ADOCA23'], self.config).code())
comboCuts.append(LoKiCuts(['ADOCA14'], self.config).code())
comboCuts.append(LoKiCuts(['ADOCA24'], self.config).code())
comboCuts.append(LoKiCuts(['ADOCA34'], self.config).code())
comboCuts12 = LoKiCuts.combine(comboCuts12)
comboCuts123 = LoKiCuts.combine(comboCuts123)
comboCuts = LoKiCuts.combine(comboCuts)
momCuts = [
"(ADMASS('Xi_c0') < %s*%s) " % (dm, units),
LoKiCuts(['VCHI2DOF', 'BPVVDCHI2', 'BPVDIRA'], self.config).code()
]
momCuts = LoKiCuts.combine(momCuts)
cp = DaVinci__N4BodyDecays(
Combination12Cut=comboCuts12,
Combination123Cut=comboCuts123,
CombinationCut=comboCuts,
MotherCut=momCuts,
DecayDescriptors=["[Xi_c0 -> p+ K- K- pi+]cc"])
return Selection(
'Xic02PKKPiBeauty2Charm',
Algorithm=cp,
RequiredSelections=[self.pions, self.kaons, self.protons])
def _massWindowD2HHHCF(self):
dm,units = LoKiCuts.cutValue(self.config['MASS_WINDOW'])
d_min = 1869.62 - dm
d_max = 1869.62 + dm
ds_min = 1968.49 - dm
ds_max = 1968.49 + dm
return ('%s*%s'%(d_min,units),'%s*%s'%(d_max,units),
'%s*%s'%(ds_min,units),'%s*%s'%(ds_max,units))
def _massWindow(self, which):
dm, units = LoKiCuts.cutValue(self.config['MASS_WINDOW'])
if which is 'D0':
min = 1864.84 - dm # D0 - dm
max = 1864.84 + dm # D0 + dm
else:
min = 1869.62 - dm # D+ - dm
max = 1968.49 + dm # Ds+ + dm
return ('%s*%s' % (min, units), '%s*%s' % (max, units))
def _makeXiccpp2Xicpi(self):
'''Makes Lc -> p K pi + cc'''
dm,units = LoKiCuts.cutValue(self.config['MASS_WINDOW'])
comboCuts = [LoKiCuts(['ASUMPT'],self.config).code(),
"(ADAMASS('Xi_cc++') < %s*%s) " % (dm+410,units)]
comboCuts.append(LoKiCuts(['AMAXDOCA'],self.config).code())
comboCuts = LoKiCuts.combine(comboCuts)
momCuts = ["(ADMASS('Xi_cc++') < %s*%s) " % (dm+400,units),
LoKiCuts(['VCHI2DOF','BPVVDCHI2','BPVDIRA'],
self.config).code()]
momCuts = LoKiCuts.combine(momCuts)
cp = CombineParticles(CombinationCut=comboCuts,MotherCut=momCuts,
DecayDescriptors=["[Xi_cc++ -> Xi_c+ pi+]cc"])
return Selection('Xiccpp2XicPiXic2PKPiPBeauty2Charm',Algorithm=cp,
RequiredSelections=[self.xic,self.pions])
def _makeLc2pKpi(self):
'''Makes Lc -> p K pi + cc'''
dm,units = LoKiCuts.cutValue(self.config['MASS_WINDOW'])
comboCuts = [LoKiCuts(['ASUMPT'],self.config).code(),
"(ADAMASS('Lambda_c+') < %s*%s) " % (dm+10,units),
hasTopoChild()]
comboCuts.append(LoKiCuts(['AMAXDOCA'],self.config).code())
comboCuts = LoKiCuts.combine(comboCuts)
momCuts = ["(ADMASS('Lambda_c+') < %s*%s) " % (dm,units),
LoKiCuts(['VCHI2DOF','BPVVDCHI2','BPVDIRA'],
self.config).code()]
momCuts = LoKiCuts.combine(momCuts)
cp = CombineParticles(CombinationCut=comboCuts,MotherCut=momCuts,
DecayDescriptors=["[Lambda_c+ -> p+ K- pi+]cc"])
return Selection('Lc2PKPiBeauty2Charm',Algorithm=cp,
RequiredSelections=[self.pions,self.kaons,
self.protons])
