class KappaVKappaT(LHCHCGBaseModel):
"""
Copy of Kappas model with a combined kappa_V (for kappa_W and kappa_Z),
and where hcc is independent of kappa_t.
For tHq multilepton analysis (HIG-17-005)
NOTE - Do not use this model for a generic analysis,
instead use the LHCHCGModels:K3 or K7 models and freeze POIs accordingly
"""
def __init__(self,
resolved=True,
BRU=True,
addInvisible=False,
coupleTopTau=False):
LHCHCGBaseModel.__init__(
self
) # not using 'super(x,self).__init__' since I don't understand it
self.doBRU = BRU
self.resolved = resolved
self.addInvisible = addInvisible
self.coupleTopTau = coupleTopTau
def setPhysicsOptions(self, physOptions):
self.setPhysicsOptionsBase(physOptions)
for po in physOptions:
if po.startswith("BRU="):
self.doBRU = (po.replace("BRU=", "")
in ["yes", "1", "Yes", "True", "true"])
print "BR uncertainties in partial widths: %s " % self.doBRU
def doParametersOfInterest(self):
"""Create POI out of signal strength and MH"""
self.modelBuilder.doVar("r[1,0.0,10.0]")
self.modelBuilder.doVar("kappa_V[1,0.0,2.0]")
self.modelBuilder.doVar("kappa_t[1,-10.0,10.0]")
self.modelBuilder.doVar("kappa_mu[1,0.0,5.0]")
if not self.coupleTopTau:
self.modelBuilder.doVar("kappa_tau[1,0.0,3.0]")
self.modelBuilder.factory_(
"expr::kappa_mu_expr(\"@0*@1+(1-@0)*@2\", CMS_use_kmu[0], kappa_mu, kappa_tau)"
)
else:
self.modelBuilder.factory_(
"expr::kappa_mu_expr(\"@0*@1+(1-@0)*@2\", CMS_use_kmu[0], kappa_mu, kappa_t)"
)
self.modelBuilder.doVar("kappa_b[1,0.0,3.0]")
self.modelBuilder.doVar(
"kappa_c[1,0.0,3.0]") # treat hcc independently from kappa_t
if not self.resolved:
self.modelBuilder.doVar("kappa_g[1,0.0,2.0]")
self.modelBuilder.doVar("kappa_gam[1,0.0,2.5]")
self.modelBuilder.doVar("BRinv[0,0,1]")
if not self.addInvisible:
self.modelBuilder.out.var("BRinv").setConstant(True)
pois = 'kappa_V,kappa_t,kappa_b,kappa_c'
if not self.coupleTopTau:
pois += ',kappa_tau'
if not self.resolved:
pois += ',kappa_g,kappa_gam'
if self.addInvisible: pois += ",BRinv"
self.doMH()
self.modelBuilder.doSet("POI", pois)
self.SMH = SMHiggsBuilder(self.modelBuilder)
self.setup()
def setup(self):
self.dobbH()
# SM BR
for d in SM_HIGG_DECAYS + ["hss"]:
self.SMH.makeBR(d)
# BR uncertainties
if self.doBRU:
self.SMH.makePartialWidthUncertainties()
else:
for d in SM_HIGG_DECAYS:
self.modelBuilder.factory_(
'HiggsDecayWidth_UncertaintyScaling_%s[1.0]' % d)
# get VBF, tHq, tHW, ggZH cross section
self.SMH.makeScaling('qqH', CW='kappa_V', CZ='kappa_V')
self.SMH.makeScaling("tHq", CW='kappa_V', Ctop="kappa_t")
self.SMH.makeScaling("tHW", CW='kappa_V', Ctop="kappa_t")
self.SMH.makeScaling("ggZH",
CZ='kappa_V',
Ctop="kappa_t",
Cb="kappa_b")
# resolve loops
if self.resolved:
self.SMH.makeScaling('ggH',
Cb='kappa_b',
Ctop='kappa_t',
Cc="kappa_t")
self.SMH.makeScaling('hgluglu', Cb='kappa_b', Ctop='kappa_t')
if not self.coupleTopTau:
self.SMH.makeScaling('hgg',
Cb='kappa_b',
Ctop='kappa_t',
CW='kappa_V',
Ctau='kappa_tau')
self.SMH.makeScaling('hzg',
Cb='kappa_b',
Ctop='kappa_t',
CW='kappa_V',
Ctau='kappa_tau')
else:
self.SMH.makeScaling('hgg',
Cb='kappa_b',
Ctop='kappa_t',
CW='kappa_V',
Ctau='kappa_t')
self.SMH.makeScaling('hzg',
Cb='kappa_b',
Ctop='kappa_t',
CW='kappa_V',
Ctau='kappa_t')
else:
self.modelBuilder.factory_(
'expr::Scaling_hgluglu("@0*@0", kappa_g)')
self.modelBuilder.factory_('expr::Scaling_hgg("@0*@0", kappa_gam)')
self.modelBuilder.factory_('expr::Scaling_hzg("@0*@0", kappa_gam)')
self.modelBuilder.factory_(
'expr::Scaling_ggH_7TeV("@0*@0", kappa_g)')
self.modelBuilder.factory_(
'expr::Scaling_ggH_8TeV("@0*@0", kappa_g)')
self.modelBuilder.factory_(
'expr::Scaling_ggH_13TeV("@0*@0", kappa_g)')
self.modelBuilder.factory_(
'expr::Scaling_ggH_14TeV("@0*@0", kappa_g)')
## partial witdhs, normalized to the SM one
self.modelBuilder.factory_(
'expr::c7_Gscal_Z("@0*@0*@1*@2", kappa_V, SM_BR_hzz, HiggsDecayWidth_UncertaintyScaling_hzz)'
)
self.modelBuilder.factory_(
'expr::c7_Gscal_W("@0*@0*@1*@2", kappa_V, SM_BR_hww, HiggsDecayWidth_UncertaintyScaling_hww)'
)
if not self.coupleTopTau:
self.modelBuilder.factory_(
'expr::c7_Gscal_tau("@0*@0*@1*@4+@2*@2*@3*@5", kappa_tau, SM_BR_htt, kappa_mu_expr, SM_BR_hmm, HiggsDecayWidth_UncertaintyScaling_htt, HiggsDecayWidth_UncertaintyScaling_hmm)'
)
else:
self.modelBuilder.factory_(
'expr::c7_Gscal_tau("@0*@0*@1*@4+@2*@2*@3*@5", kappa_t, SM_BR_htt, kappa_mu_expr, SM_BR_hmm, HiggsDecayWidth_UncertaintyScaling_htt, HiggsDecayWidth_UncertaintyScaling_hmm)'
)
self.modelBuilder.factory_(
'expr::c7_Gscal_top("@0*@0 * @1*@2", kappa_c, SM_BR_hcc, HiggsDecayWidth_UncertaintyScaling_hcc)'
)
self.modelBuilder.factory_(
'expr::c7_Gscal_bottom("@0*@0 * (@1*@3+@2)", kappa_b, SM_BR_hbb, SM_BR_hss, HiggsDecayWidth_UncertaintyScaling_hbb)'
)
self.modelBuilder.factory_(
'expr::c7_Gscal_gluon(" @0 * @1 * @2", Scaling_hgluglu, SM_BR_hgluglu, HiggsDecayWidth_UncertaintyScaling_hgluglu)'
)
self.modelBuilder.factory_(
'expr::c7_Gscal_gamma("@0*@1*@4 + @2*@3*@5", Scaling_hgg, SM_BR_hgg, Scaling_hzg, SM_BR_hzg, HiggsDecayWidth_UncertaintyScaling_hgg, HiggsDecayWidth_UncertaintyScaling_hzg)'
)
# fix to have all BRs add up to unity
self.modelBuilder.factory_("sum::c7_SMBRs(%s)" % (",".join(
"SM_BR_" + X
for X in "hzz hww htt hmm hcc hbb hss hgluglu hgg hzg".split())))
self.modelBuilder.out.function("c7_SMBRs").Print("")
## total witdh, normalized to the SM one
self.modelBuilder.factory_(
'expr::c7_Gscal_tot("(@1+@2+@3+@4+@5+@6+@7)/@8/(1-@0)", BRinv, c7_Gscal_Z, c7_Gscal_W, c7_Gscal_tau, c7_Gscal_top, c7_Gscal_bottom, c7_Gscal_gluon, c7_Gscal_gamma, c7_SMBRs)'
)
## BRs, normalized to the SM ones: they scale as (partial/partial_SM) / (total/total_SM)
self.modelBuilder.factory_(
'expr::c7_BRscal_hww("@0*@0*@2/@1", kappa_V, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hww)'
)
self.modelBuilder.factory_(
'expr::c7_BRscal_hzz("@0*@0*@2/@1", kappa_V, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hzz)'
)
if not self.coupleTopTau:
self.modelBuilder.factory_(
'expr::c7_BRscal_htt("@0*@0*@2/@1", kappa_tau, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_htt)'
)
else:
self.modelBuilder.factory_(
'expr::c7_BRscal_htt("@0*@0*@2/@1", kappa_t, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_htt)'
)
self.modelBuilder.factory_(
'expr::c7_BRscal_hmm("@0*@0*@2/@1", kappa_mu_expr, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hmm)'
)
self.modelBuilder.factory_(
'expr::c7_BRscal_hbb("@0*@0*@2/@1", kappa_b, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hbb)'
)
self.modelBuilder.factory_(
'expr::c7_BRscal_hcc("@0*@0*@2/@1", kappa_c, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hcc)'
)
self.modelBuilder.factory_(
'expr::c7_BRscal_hgg("@0*@2/@1", Scaling_hgg, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hgg)'
)
self.modelBuilder.factory_(
'expr::c7_BRscal_hzg("@0*@2/@1", Scaling_hzg, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hzg)'
)
self.modelBuilder.factory_(
'expr::c7_BRscal_hgluglu("@0*@2/@1", Scaling_hgluglu, c7_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hgluglu)'
)
self.modelBuilder.factory_('expr::c7_BRscal_hinv("@0", BRinv)')
def getHiggsSignalYieldScale(self, production, decay, energy):
name = "c7_XSBRscal_%s_%s_%s" % (production, decay, energy)
if self.modelBuilder.out.function(name) == None:
if production in ["ggH", "qqH", "ggZH", "tHq", "tHW"]:
XSscal = ("@0", "Scaling_%s_%s" % (production, energy))
elif production == "WH":
XSscal = ("@0*@0", "kappa_V")
elif production == "ZH":
XSscal = ("@0*@0", "kappa_V")
elif production == "ttH":
XSscal = ("@0*@0", "kappa_t")
elif production == "bbH":
XSscal = ("@0*@0", "kappa_b")
else:
raise RuntimeError, "Production %s not supported" % production
BRscal = decay
if not self.modelBuilder.out.function("c7_BRscal_" + BRscal):
raise RuntimeError, "Decay mode %s not supported" % decay
if decay == "hss": BRscal = "hbb"
if production in ['tHq', 'tHW', 'ttH']:
self.modelBuilder.factory_(
'expr::%s("%s*@1*@2", %s, c7_BRscal_%s, r)' %
(name, XSscal[0], XSscal[1], BRscal))
elif production == "ggH" and (decay
in self.add_bbH) and energy in [
"7TeV", "8TeV", "13TeV", "14TeV"
]:
b2g = "CMS_R_bbH_ggH_%s_%s[%g]" % (decay, energy, 0.01)
b2gs = "CMS_bbH_scaler_%s" % energy
self.modelBuilder.factory_(
'expr::%s("(%s + @1*@1*@2*@3)*@4", %s, kappa_b, %s, %s, c7_BRscal_%s)'
% (name, XSscal[0], XSscal[1], b2g, b2gs, BRscal))
else:
self.modelBuilder.factory_(
'expr::%s("%s*@1*@2", %s, c7_BRscal_%s,r)' %
(name, XSscal[0], XSscal[1], BRscal))
print '[LHC-HCG Kappas]', name, production, decay, energy, ": ",
self.modelBuilder.out.function(name).Print("")
return name
class HHModel(PhysicsModel):
""" Models the HH production as linear sum of 6 components (VBF) and 3 components (GGF) """
#scaleBR=True to scale for branching ratio dependence
#setBR1 to overwrite the single Higgs decay mode and one of the double Higgs decay modes
#setBR2 to overwrite the second decay mode of double Higgs
def __init__(self,
ggf_sample_list,
vbf_sample_list,
name,
setBR1="",
setBR2=""):
PhysicsModel.__init__(self)
self.name = name
self.check_validity_ggf(ggf_sample_list)
self.check_validity_vbf(vbf_sample_list)
self.ggf_formula = GGFHHFormula(ggf_sample_list)
self.vbf_formula = VBFHHFormula(vbf_sample_list)
self.setBR1 = setBR1
self.setBR2 = setBR2
self.scaleBR = True
# include branching ratio uncertainties in the systematics
# if only one single HH channel is considered, it is suggested to
# include the specific BR uncertainty(s) directly in the datacard.
# This should be re-evaluated for a HH combination
self.doBRU = False
self.dump_inputs()
self.f_r_singleH_names = []
def setPhysicsOptions(self, physOptions):
for po in physOptions:
if po.startswith("BRU="):
self.doBRU = (po.replace("BRU=", "")
in ["yes", "1", "Yes", "True", "true"])
if po.startswith("scaleBR="):
self.scaleBR = (po.replace("BRU=", "")
in ["no", "0", "No", "False", "false"])
print "BR uncertainties in partial widths: %s " % self.doBRU
def check_validity_ggf(self, ggf_sample_list):
if len(ggf_sample_list) != 3:
raise RuntimeError(
"%s : malformed GGF input sample list - expect 3 samples" %
self.name)
if not isinstance(ggf_sample_list, list) and not isinstance(
ggf_sample_list, tuple):
raise RuntimeError(
"%s : malformed GGF input sample list - expect list or tuple" %
self.name)
for s in ggf_sample_list:
if not isinstance(s, GGFHHSample):
raise RuntimeError(
"%s : malformed GGF input sample list - each element must be a GGFHHSample"
% self.name)
def check_validity_vbf(self, vbf_sample_list):
if len(vbf_sample_list) != 6:
raise RuntimeError(
"%s : malformed VBF input sample list - expect 6 samples" %
self.name)
if not isinstance(vbf_sample_list, list) and not isinstance(
vbf_sample_list, tuple):
raise RuntimeError(
"%s : malformed VBF input sample list - expect list or tuple" %
self.name)
for s in vbf_sample_list:
if not isinstance(s, VBFHHSample):
raise RuntimeError(
"%s : malformed VBF input sample list - each element must be a VBFHHSample"
% self.name)
def dump_inputs(self):
print "[INFO] HH model : ", self.name
print "...... GGF configuration"
for i, s in enumerate(self.ggf_formula.sample_list):
print " {0:<3} ... kl : {1:<3}, kt : {2:<3}, xs : {3:<3.8f} pb, label : {4}".format(
i, s.val_kl, s.val_kt, s.val_xs, s.label)
print "...... VBF configuration"
for i, s in enumerate(self.vbf_formula.sample_list):
print " {0:<3} ... CV : {1:<3}, C2V : {2:<3}, kl : {3:<3}, xs : {4:<3.8f} pb, label : {5}".format(
i, s.val_CV, s.val_C2V, s.val_kl, s.val_xs, s.label)
def doParametersOfInterest(self):
## the model is built with:
## r x [GGF + VBF]
## GGF = r_GGF x [sum samples(kl, kt)]
## VBF = r_VBF x [sum samples(kl, CV, C2V)]
POIs = "r,r_gghh,r_qqhh,CV,C2V,kl,kt"
self.modelBuilder.doVar("r[1,0,10]")
self.modelBuilder.doVar("r_gghh[1,0,10]")
self.modelBuilder.doVar("r_qqhh[1,0,10]")
self.modelBuilder.doVar("CV[1,-10,10]")
self.modelBuilder.doVar("C2V[1,-10,10]")
self.modelBuilder.doVar("kl[1,-30,30]")
self.modelBuilder.doVar("kt[1,-10,10]")
self.modelBuilder.doSet("POI", POIs)
self.SMH = SMHiggsBuilder(self.modelBuilder)
self.modelBuilder.out.var("r_gghh").setConstant(True)
self.modelBuilder.out.var("r_qqhh").setConstant(True)
self.modelBuilder.out.var("CV").setConstant(True)
self.modelBuilder.out.var("C2V").setConstant(True)
self.modelBuilder.out.var("kl").setConstant(True)
self.modelBuilder.out.var("kt").setConstant(True)
#I need to build MH variables because the BR are tabulated as a function of MH
# the mass setting must be provided as input, i.e. '-m 125'
if self.modelBuilder.out.var("MH"):
self.modelBuilder.out.var("MH").setVal(self.options.mass)
self.modelBuilder.out.var("MH").setConstant(True)
else:
self.modelBuilder.doVar("MH[%g]" % self.options.mass)
self.create_scalings()
def create_scalings(self):
""" create the functions that scale the six components of vbf and the 3 components of ggf """
######################################################################
#create Higgs BR scalings
for d in SM_HIGG_DECAYS + ["hss"]:
self.SMH.makeBR(d)
# BR uncertainties
if self.doBRU:
self.SMH.makePartialWidthUncertainties()
else:
for d in SM_HIGG_DECAYS:
self.modelBuilder.factory_(
'HiggsDecayWidth_UncertaintyScaling_%s[1.0]' % d)
# fix to have all BRs add up to unity
self.modelBuilder.factory_("sum::c7_SMBRs(%s)" % (",".join(
"SM_BR_" + X
for X in "hzz hww htt hmm hcc hbb hss hgluglu hgg hzg".split())))
self.modelBuilder.out.function("c7_SMBRs").Print("")
# get VBF, tHq, tHW, ggZH cross section and resolved loops
self.SMH.makeScaling('qqH', CW='CV', CZ='CV')
self.SMH.makeScaling("tHq", CW='CV', Ctop="kt")
self.SMH.makeScaling("tHW", CW='CV', Ctop="kt")
self.SMH.makeScaling("ggZH", CZ='CV', Ctop="kt", Cb="1")
self.SMH.makeScaling('ggH', Cb='1', Ctop='kt', Cc="1")
self.SMH.makeScaling('hgluglu', Cb='1', Ctop='kt')
self.SMH.makeScaling('hgg', Cb='1', Ctop='kt', CW='CV', Ctau='1')
self.SMH.makeScaling('hzg', Cb='1', Ctop='kt', CW='CV', Ctau='1')
cGammap = {
"hgg": 0.49e-2,
"hzz": 0.83e-2,
"hww": 0.73e-2,
"hgluglu": 0.66e-2,
"htt": 0,
"hbb": 0,
"hcc": 0,
"hmm": 0
}
# First we need to create the terms that account for the self-coupling --> Just scale partial width first - https://arxiv.org/abs/1709.08649 Eq 22.
# probably a better way to code this since the partial width expressions are being repeated when we write the BR
for dec in cGammap.keys():
valC1 = cGammap[dec]
self.modelBuilder.factory_('expr::kl_scalBR_%s("(@0-1)*%g",kl)' %
(dec, valC1))
# next make the partial widths, also including the kappas -> we want to include the term from the normal kappas and the one from the self-coupling
self.modelBuilder.factory_(
'expr::kVktkl_Gscal_Z("(@0*@0+@3)*@1*@2", CV, SM_BR_hzz, HiggsDecayWidth_UncertaintyScaling_hzz, kl_scalBR_hzz)'
)
self.modelBuilder.factory_(
'expr::kVktkl_Gscal_W("(@0*@0+@3)*@1*@2", CV, SM_BR_hww, HiggsDecayWidth_UncertaintyScaling_hww, kl_scalBR_hww)'
)
self.modelBuilder.factory_(
'expr::kVktkl_Gscal_tau("(1+@4)*@0*@2 + (1+@5)*@1*@3", SM_BR_htt, SM_BR_hmm, HiggsDecayWidth_UncertaintyScaling_htt, HiggsDecayWidth_UncertaintyScaling_hmm,kl_scalBR_htt, kl_scalBR_hmm)'
)
self.modelBuilder.factory_(
'expr::kVktkl_Gscal_top("(1+@2)*@0*@1", SM_BR_hcc, HiggsDecayWidth_UncertaintyScaling_hcc, kl_scalBR_hcc)'
)
self.modelBuilder.factory_(
'expr::kVktkl_Gscal_bottom("(1+@3) * (@0*@2+@1)", SM_BR_hbb, SM_BR_hss, HiggsDecayWidth_UncertaintyScaling_hbb, kl_scalBR_hbb)'
)
self.modelBuilder.factory_(
'expr::kVktkl_Gscal_gluon(" (@0+@3) * @1 * @2", Scaling_hgluglu, SM_BR_hgluglu, HiggsDecayWidth_UncertaintyScaling_hgluglu, kl_scalBR_hgluglu)'
)
self.modelBuilder.factory_(
'expr::kVktkl_Gscal_gamma("(@0+@6)*@1*@4 + @2*@3*@5", Scaling_hgg, SM_BR_hgg, Scaling_hzg, SM_BR_hzg, HiggsDecayWidth_UncertaintyScaling_hgg, HiggsDecayWidth_UncertaintyScaling_hzg, kl_scalBR_hgg)'
) # no kl dependance on H->zg known yet ?
# fix to have all BRs add up to unity
self.modelBuilder.factory_("sum::kVktkl_SMBRs(%s)" % (",".join(
"SM_BR_" + X
for X in "hzz hww htt hmm hcc hbb hss hgluglu hgg hzg".split())))
self.modelBuilder.out.function("kVktkl_SMBRs").Print("")
## total witdh, normalized to the SM one (just the sum over the partial widths/SM total BR)
self.modelBuilder.factory_(
'expr::kVktkl_Gscal_tot("(@0+@1+@2+@3+@4+@5+@6)/@7", kVktkl_Gscal_Z, kVktkl_Gscal_W, kVktkl_Gscal_tau, kVktkl_Gscal_top, kVktkl_Gscal_bottom, kVktkl_Gscal_gluon, kVktkl_Gscal_gamma, kVktkl_SMBRs)'
)
## BRs, normalized to the SM ones: they scale as (partial/partial_SM) / (total/total_SM)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_hww("(@0*@0+@3)*@2/@1", CV, kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hww, kl_scalBR_hww)'
)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_hzz("(@0*@0+@3)*@2/@1", CV, kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hzz, kl_scalBR_hzz)'
)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_htt("(1+@2)*@1/@0", kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_htt, kl_scalBR_htt)'
)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_hmm("(1+@2)*@1/@0", kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hmm, kl_scalBR_hmm)'
)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_hbb("(1+@2)*@1/@0", kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hbb, kl_scalBR_hbb)'
)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_hcc("(1+@2)*@1/@0", kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hcc, kl_scalBR_hcc)'
)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_hgg("(@0+@3)*@2/@1", Scaling_hgg, kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hgg,kl_scalBR_hgg)'
)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_hzg("@0*@2/@1", Scaling_hzg, kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hzg)'
)
self.modelBuilder.factory_(
'expr::kVktkl_BRscal_hgluglu("(@0+@3)*@2/@1", Scaling_hgluglu, kVktkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hgluglu, kl_scalBR_hgluglu)'
)
######################################################################
#create single Higgs production scalings
energy = "13TeV"
cXSmap_13 = {
"ggH": 0.66e-2,
"qqH": 0.64e-2,
"WH": 1.03e-2,
"ZH": 1.19e-2,
"ttH": 3.51e-2,
"VH": (0.5 * (1.03e-2 + 1.19e-2))
}
EWKmap_13 = {
"ggH": 1.049,
"qqH": 0.932,
"WH": 0.93,
"ZH": 0.947,
"ttH": 1.014,
"VH": (0.5 * (0.93 + 0.947))
}
dZH = -1.536e-3
for production in SM_HIGG_PROD:
if production in ["ggZH", "tHq", "tHW"]:
self.f_r_singleH_names.append("Scaling_%s_%s" %
(production, energy))
elif production in ["ggH", "qqH"]:
EWK = EWKmap_13[production]
self.modelBuilder.factory_("expr::kVktkl_XSscal_%s_%s(\"(@1+(@0-1)*%g/%g)/((1-(@0*@0-1)*%g))\",kl,Scaling_%s_%s)"\
%(production,energy,cXSmap_13[production],EWK,dZH,production,energy))
self.f_r_singleH_names.append("kVktkl_XSscal_%s_%s" %
(production, energy))
elif production in ["ZH", "WH", "VH"]:
EWK = EWKmap_13[production]
self.modelBuilder.factory_("expr::kVktkl_XSscal_%s_%s(\"(@1*@1+(@0-1)*%g/%g)/((1-(@0*@0-1)*%g))\",kl,CV)"\
%(production,energy,cXSmap_13[production],EWK,dZH))
self.f_r_singleH_names.append("kVktkl_XSscal_%s_%s" %
(production, energy))
elif production == "ttH":
EWK = EWKmap_13[production]
self.modelBuilder.factory_("expr::kVktkl_XSscal_%s_%s(\"(@1*@1+(@0-1)*%g/%g)/((1-(@0*@0-1)*%g))\",kl,kt)"\
%(production,energy,cXSmap_13[production],EWK,dZH))
self.f_r_singleH_names.append("kVktkl_XSscal_%s_%s" %
(production, energy))
self.f_r_vbf_names = [
] # the RooFormulae that scale the components (VBF)
self.f_r_ggf_names = [
] # the RooFormulae that scale the components (GGF)
def pow_to_mul_string(expr):
""" Convert integer powers in an expression to Muls, like a**2 => a*a. Returns a string """
pows = list(expr.atoms(Pow))
if any(not e.is_Integer
for b, e in (i.as_base_exp() for i in pows)):
raise ValueError("A power contains a non-integer exponent")
s = str(expr)
repl = zip(pows, (Mul(*[b] * e, evaluate=False)
for b, e in (i.as_base_exp() for i in pows)))
for fr, to in repl:
s = s.replace(str(fr), str(to))
return s
### loop on the GGF scalings
for i, s in enumerate(self.ggf_formula.sample_list):
f_name = 'f_ggfhhscale_sample_{0}'.format(i)
f_expr = self.ggf_formula.coeffs[
i] # the function that multiplies each sample
# print f_expr
# for ROOFit, this will convert expressions as a**2 to a*a
s_expr = pow_to_mul_string(f_expr)
couplings_in_expr = []
if 'kl' in s_expr: couplings_in_expr.append('kl')
if 'kt' in s_expr: couplings_in_expr.append('kt')
# no constant expressions are expected
if len(couplings_in_expr) == 0:
raise RuntimeError(
'GGF HH : scaling expression has no coefficients')
for idx, ce in enumerate(couplings_in_expr):
# print '..replacing', ce
symb = '@{}'.format(idx)
s_expr = s_expr.replace(ce, symb)
arglist = ','.join(couplings_in_expr)
exprname = 'expr::{}(\"{}\" , {})'.format(f_name, s_expr, arglist)
# print exprname
self.modelBuilder.factory_(
exprname) # the function that scales each VBF sample
f_prod_name_pmode = f_name + '_r_gghh'
prodname_pmode = 'prod::{}(r_gghh,{})'.format(
f_prod_name_pmode, f_name)
self.modelBuilder.factory_(
prodname_pmode
) ## the function that scales this production mode
# self.modelBuilder.out.function(f_prod_name).Print("") ## will just print out the values
f_prod_name = f_prod_name_pmode + '_r'
prodname = 'prod::{}(r,{})'.format(f_prod_name, f_prod_name_pmode)
self.modelBuilder.factory_(
prodname) ## the function that scales this production mode
# self.modelBuilder.out.function(f_prod_name).Print("") ## will just print out the values
self.f_r_ggf_names.append(
f_prod_name) #bookkeep the scaling that has been created
### loop on the VBF scalings
for i, s in enumerate(self.vbf_formula.sample_list):
f_name = 'f_vbfhhscale_sample_{0}'.format(i)
f_expr = self.vbf_formula.coeffs[
i] # the function that multiplies each sample
# print f_expr
# for ROOFit, this will convert expressions as a**2 to a*a
s_expr = pow_to_mul_string(f_expr)
couplings_in_expr = []
if 'CV' in s_expr: couplings_in_expr.append('CV')
if 'C2V' in s_expr: couplings_in_expr.append('C2V')
if 'kl' in s_expr: couplings_in_expr.append('kl')
# no constant expressions are expected
if len(couplings_in_expr) == 0:
raise RuntimeError(
'VBF HH : scaling expression has no coefficients')
for idx, ce in enumerate(couplings_in_expr):
# print '..replacing', ce
symb = '@{}'.format(idx)
s_expr = s_expr.replace(ce, symb)
arglist = ','.join(couplings_in_expr)
exprname = 'expr::{}(\"{}\" , {})'.format(f_name, s_expr, arglist)
# print exprname
self.modelBuilder.factory_(
exprname) # the function that scales each VBF sample
f_prod_name_pmode = f_name + '_r_qqhh'
prodname_pmode = 'prod::{}(r_qqhh,{})'.format(
f_prod_name_pmode, f_name)
self.modelBuilder.factory_(
prodname_pmode
) ## the function that scales this production mode
# self.modelBuilder.out.function(f_prod_name_pmode).Print("") ## will just print out the values
f_prod_name = f_prod_name_pmode + '_r'
prodname = 'prod::{}(r,{})'.format(f_prod_name, f_prod_name_pmode)
self.modelBuilder.factory_(
prodname) ## the function that scales this production mode
# self.modelBuilder.out.function(f_prod_name).Print("") ## will just print out the values
self.f_r_vbf_names.append(
f_prod_name) #bookkeep the scaling that has been created
def getYieldScale(self, bin, process):
if not self.DC.isSignal[process]: return 1
processSource = process.split("_")[0]
# It might happen that I use a different process naming than the default one
# In that case I will convert it to the default naming
if not processSource in processSource_dict:
for defaultname, equivalentnames in processSource_dict.items():
for equivalentname in equivalentnames:
if processSource == equivalentname:
print "[WARNING]: process name \"%s\" is not the default name but I found it equivalent to \"%s\"" % (
processSource, defaultname)
print " --> if this is not the case fix the naming!"
processSource = defaultname
decaySource = []
if self.setBR1 != "":
decaySource.append(self.setBR1)
else:
decaySource.append(process.split("_")[-1])
#in case of HH I have to consider an additional Higgs decay
if processSource == "ggHH" or processSource == "qqHH":
if self.setBR2 != "":
decaySource.append(self.setBR2)
else:
decaySource.append(process.split("_")[-2])
if not (processSource == "ggHH" or processSource == "qqHH"):
if (processSource == "bbH"):
return 1 #neglect bbH dependence on kl
for XS_scaling_name in self.f_r_singleH_names:
if processSource in XS_scaling_name:
if not self.modelBuilder.out.function("kVktkl_BRscal_" +
decaySource[0]):
raise RuntimeError, "Decay mode %s not supported" % decaySource[
0]
if not self.scaleBR:
return XS_scaling_name
else:
BR_scaling_name = "kVktkl_BRscal_" + decaySource[0]
XSBR_scaling_name = "kVktkl_XSBRscal_%s_%s" % (
processSource, decaySource[0])
if not self.modelBuilder.out.function(
XSBR_scaling_name):
self.modelBuilder.factory_(
"expr::%s(\"0.+@0*(@0>0.)*@1\",%s,%s)" %
(XSBR_scaling_name, XS_scaling_name,
BR_scaling_name)
) #I used a trick to avoid negative XS reweights
return XSBR_scaling_name
#if I am here I have a double H process or an unsopported process
## my control to verify for a unique association between process <-> scaling function
try:
self.scalingMap
except AttributeError:
self.scalingMap = {}
# match the process name in the datacard to the input sample of the calculation
# this is the only point where the two things must be matched
if not process in self.scalingMap:
self.scalingMap[process] = []
imatched_ggf = []
imatched_vbf = []
for isample, sample in enumerate(self.ggf_formula.sample_list):
if process.startswith(sample.label):
# print self.name, ": {:>40} ===> {:>40}".format(process, sample.label)
imatched_ggf.append(isample)
for isample, sample in enumerate(self.vbf_formula.sample_list):
if process.startswith(sample.label):
# print self.name, ": {:>40} ===> {:>40}".format(process, sample.label)
imatched_vbf.append(isample)
## this checks that a process finds a unique scaling
if len(imatched_ggf) + len(imatched_vbf) != 1:
print "[ERROR] : in HH model named", self.name, "there are", len(
imatched_ggf), "GGF name matches and", len(
imatched_vbf), "VBF name matches"
raise RuntimeError(
'HHModel : could not uniquely match the process %s to the expected sample list'
% process)
if len(imatched_ggf) == 1:
isample = imatched_ggf[0]
self.scalingMap[process].append((isample, 'GGF'))
XS_scaling_name = self.f_r_ggf_names[isample]
if not self.scaleBR:
return XS_scaling_name
else:
BR1_scaling_name = "kVktkl_BRscal_" + decaySource[0]
BR2_scaling_name = "kVktkl_BRscal_" + decaySource[1]
if not self.modelBuilder.out.function(BR1_scaling_name):
raise RuntimeError, "Decay mode %s not supported" % BR1_scaling_name
if not self.modelBuilder.out.function(BR2_scaling_name):
raise RuntimeError, "Decay mode %s not supported" % BR2_scaling_name
XSBR_scaling_name = "%s_%s_%s" % (
XS_scaling_name, decaySource[0], decaySource[1])
if not self.modelBuilder.out.function(XSBR_scaling_name):
self.modelBuilder.factory_(
'expr::%s("@0*@1*@2",%s,%s,%s)' %
(XSBR_scaling_name, XS_scaling_name, BR1_scaling_name,
BR2_scaling_name))
return XSBR_scaling_name
if len(imatched_vbf) == 1:
isample = imatched_vbf[0]
self.scalingMap[process].append((isample, 'VBF'))
XS_scaling_name = self.f_r_vbf_names[isample]
if not self.scaleBR:
return XS_scaling_name
else:
BR1_scaling_name = "kVktkl_BRscal_" + decaySource[0]
BR2_scaling_name = "kVktkl_BRscal_" + decaySource[1]
if not self.modelBuilder.out.function(BR1_scaling_name):
raise RuntimeError, "Decay mode %s not supported" % BR1_scaling_name
if not self.modelBuilder.out.function(BR2_scaling_name):
raise RuntimeError, "Decay mode %s not supported" % BR2_scaling_name
XSBR_scaling_name = "%s_%s_%s" % (
XS_scaling_name, decaySource[0], decaySource[1])
if not self.modelBuilder.out.function(XSBR_scaling_name):
self.modelBuilder.factory_(
'expr::%s("@0*@1*@2",%s,%s,%s)' %
(XSBR_scaling_name, XS_scaling_name, BR1_scaling_name,
BR2_scaling_name))
return XSBR_scaling_name
raise RuntimeError(
'HHModel : fatal error in getYieldScale - this should never happen'
)
def done(self):
## this checks that a scaling has been attached to a unique process
scalings = {}
for k, i in self.scalingMap.items(
): ## key -> process, item -> [(isample, 'type')]
samples = list(set(i)) # remove duplicates
for s in samples:
if not s in scalings:
scalings[s] = []
scalings[s].append(k)
for key, val in scalings.items():
if len(val) > 1:
print "[WARNING] : in HH model named", self.name, "there is a double assignment of a scaling : ", key, " ==> ", val
#raise RuntimeError('HHModel : coudl not uniquely match the scaling to the process')
## now check that, if a VBF/GGF scaling exists, there are actually 6/3 samples in the card
n_VBF = 0
n_GGF = 0
for k, i in self.scalingMap.items():
# the step above ensured me that the list contains a single element -> i[0]
if i[0][1] == "GGF":
n_GGF += 1
elif i[0][1] == "VBF":
n_VBF += 1
else:
raise RuntimeError(
"HHModel : unrecognised type %s - should never happen" %
i[0][1])
if n_GGF > 0 and n_GGF < 3:
raise RuntimeError(
"HHModel : you did not pass all the 3 samples needed to build the GGF HH model"
)
if n_VBF > 0 and n_VBF < 6:
raise RuntimeError(
"HHModel : you did not pass all the 6 samples needed to build the VBF HH model"
)
class StageXToEFTModel(STXStoEFTBaseModel):
def __init__(self,stage):
STXStoEFTBaseModel.__init__(self)
self.stage = stage
import HiggsAnalysis.CombinedLimit.STXS as STXS
self.PROCESSES['stage%s'%self.stage] = [x for v in getattr(STXS,"stage%s_procs"%self.stage).itervalues() for x in v]
self.PROCESSES["fixedproc"] = STXS.fixed_procs
self.DECAYS = ['hzz','hbb','htt','hww','hgg','hgluglu','hcc','hzg','hmm','tot']
def setPhysicsOptions(self,physOptions):
self.setPhysicsOptionsBase(physOptions)
def doParametersOfInterest(self):
if self.floatMass: print " --> [WARNING] Floating Higgs mass selected. STXStoEFT model assumes MH=125.0 GeV"
self.doMH()
self.SMH = SMHiggsBuilder(self.modelBuilder)
#Read in parameter list from file using textToPOIList function
self.textToPOIList( os.path.join(self.SMH.datadir,'eft/HEL/pois.txt') )
POIs = ','.join(self.pois.keys())
for poi, poi_range in self.pois.iteritems():
self.modelBuilder.doVar("%s%s"%(poi,poi_range))
self.modelBuilder.doSet("POI",POIs)
#POIs for cWW and cB defined in terms of constraints on cWW+cB and cWW-cB: define expression for individual coefficient
self.modelBuilder.factory_("expr::cWW_x02(\"0.5*(@0+@1)\",cWWPluscB_x02,cWWMinuscB_x02)")
self.modelBuilder.factory_("expr::cB_x02(\"0.5*(@0-@1)\",cWWPluscB_x02,cWWMinuscB_x02)")
self.poi_scaling['cWW'] = "0.01*cWW_x02"
self.poi_scaling['cB'] = "0.01*cB_x02"
# Freeze cWW+cB if freezeOtherParameters
if self.freezeOtherParameters:
for poi in self.pois:
if 'cWWPluscB' in poi: self.modelBuilder.out.var( poi ).setConstant(True)
#set up model
self.setup()
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def setup(self):
#For additional options e.g. STXS/BR uncertainties: defined in base class
if self.doBRU: self.SMH.makePartialWidthUncertainties()
if self.doSTXSU: self.makeSTXSBinUncertainties( STXSstage=self.stage )
# Read scaling functions for STXS bins and decays from txt files
self.textToSTXSScalingFunctions( os.path.join(self.SMH.datadir, 'eft/HEL/stage%s_xs.txt'%self.stage) )
self.textToDecayScalingFunctions( os.path.join(self.SMH.datadir, 'eft/HEL/decay.txt' ) )
# Make scaling functions for STXS processes
for proc in self.PROCESSES["stage%s"%self.stage]: self.makeScalingFunction( proc, STXSstage=self.stage )
# Make dummy scaling (=1) for fixed procs
for proc in self.PROCESSES["fixedproc"]: self.modelBuilder.factory_("expr::scaling_%s(\"@0\",1.)"%proc)
# Make partial width + total width scaling functions
for dec in self.DECAYS: self.makeScalingFunction( dec )
# Make BR scaling functions: partial width/total width
for dec in self.DECAYS:
if dec != "tot": self.makeBRScalingFunction( dec )
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def getHiggsSignalYieldScale(self,production,decay,energy):
name = "stxstoeft_scaling_%s_%s_%s"%(production,decay,energy)
if self.modelBuilder.out.function(name) == None:
XSscal = None
BRscal = None
# Extract STXS stage process belongs to: in descreasing order as want most recent th. unc
if production in self.PROCESSES['stage%s'%self.stage]: key = "stage%s"%self.stage
elif production in self.PROCESSES['fixedproc']: key = "fixedproc"
else:
raise ValueError("[ERROR] Process %s is not supported in STXStoEFT Model (stage %s)"%(production,self.stage))
# Give production correct scaling
XSscal = "scaling_%s"%production
# Check decay scaling exists:
if decay in self.DECAYS: BRscal = "scaling_BR_%s"%decay
else:
raise ValueError("[ERROR] Decay %s is not supported in STXStoEFT Model"%decay)
# Uncertainty scaling: BR and STXS bin uncertainties
if( self.doSTXSU )&( self.doBRU ):
THUscaler = "uncertainty_scaling_%s_%s"%(production,decay)
self.modelBuilder.factory_('expr::uncertainty_scaling_%s_%s(\"@0*@1\",%s_UncertaintyScaling_%s,HiggsDecayWidth_UncertaintyScaling_%s)'%(production,decay,key,production,decay))
elif( self.doSTXSU ):
THUscaler = "uncertainty_scaling_%s"%production
self.modelBuilder.factory_('expr::uncertainty_scaling_%s(\"@0\",%s_UncertaintyScaling_%s)'%(production,key,production))
elif( self.doBRU ):
THUscaler = "uncertainty_scaling_%s"%decay
self.modelBuilder.factory_('expr::uncertainty_scaling_%s(\"@0\",HiggsDecayWidth_UncertaintyScaling_%s)'%(decay,decay))
#Combine XS and BR scaling: incuding theory unc if option selected
if( self.doSTXSU )|( self.doBRU ): self.modelBuilder.factory_("prod::%s(%s)"%(name,",".join([XSscal,BRscal,THUscaler])))
else: self.modelBuilder.factory_("prod::%s(%s)"%(name,",".join([XSscal,BRscal])))
return name
class TrilinearHiggsKappaVKappaF(LHCHCGBaseModel):
"assume the SM coupling but let the Higgs mass to float"
def __init__(self, BRU=True):
LHCHCGBaseModel.__init__(self)
self.doBRU = BRU
def setPhysicsOptions(self, physOptions):
self.setPhysicsOptionsBase(physOptions)
for po in physOptions:
if po.startswith("BRU="):
self.doBRU = (po.replace("BRU=", "")
in ["yes", "1", "Yes", "True", "true"])
print "BR uncertainties in partial widths: %s " % self.doBRU
def doParametersOfInterest(self):
"""Create POI out of signal strength and MH"""
self.modelBuilder.doVar("kappa_V[1,0.0,2.0]")
self.modelBuilder.doVar("kappa_F[1,-2.0,2.0]")
self.modelBuilder.doVar("kappa_lambda[1,-20,20]")
pois = 'kappa_V,kappa_F,kappa_lambda'
self.doMH()
self.modelBuilder.doSet("POI", pois)
self.SMH = SMHiggsBuilder(self.modelBuilder)
self.setup()
def setup(self):
#self.dobbH()
# SM BR
for d in SM_HIGG_DECAYS + ["hss"]:
self.SMH.makeBR(d)
# BR uncertainties
if self.doBRU:
self.SMH.makePartialWidthUncertainties()
else:
for d in SM_HIGG_DECAYS:
self.modelBuilder.factory_(
'HiggsDecayWidth_UncertaintyScaling_%s[1.0]' % d)
# fix to have all BRs add up to unity
self.modelBuilder.factory_("sum::c7_SMBRs(%s)" % (",".join(
"SM_BR_" + X
for X in "hzz hww htt hmm hcc hbb hss hgluglu hgg hzg".split())))
self.modelBuilder.out.function("c7_SMBRs").Print("")
# get VBF, tHq, tHW, ggZH cross section and resolved loops
self.SMH.makeScaling('qqH', CW='kappa_V', CZ='kappa_V')
self.SMH.makeScaling("tHq", CW='kappa_V', Ctop="kappa_F")
self.SMH.makeScaling("tHW", CW='kappa_V', Ctop="kappa_F")
self.SMH.makeScaling("ggZH",
CZ='kappa_V',
Ctop="kappa_F",
Cb="kappa_F")
self.SMH.makeScaling('ggH', Cb='kappa_F', Ctop='kappa_F', Cc="kappa_F")
self.SMH.makeScaling('hgluglu', Cb='kappa_F', Ctop='kappa_F')
self.SMH.makeScaling('hgg',
Cb='kappa_F',
Ctop='kappa_F',
CW='kappa_V',
Ctau='kappa_F')
self.SMH.makeScaling('hzg',
Cb='kappa_F',
Ctop='kappa_F',
CW='kappa_V',
Ctau='kappa_F')
cGammap = {
"hgg": 0.49e-2,
"hzz": 0.83e-2,
"hww": 0.73e-2,
"hgluglu": 0.66e-2,
"htt": 0,
"hbb": 0,
"hcc": 0,
"hmm": 0
}
# First we need to create the terms that account for the self-coupling --> Just scale partial width first - https://arxiv.org/abs/1709.08649 Eq 22.
# probably a better way to code this since the partial width expressions are being repeated when we write the BR
for dec in cGammap.keys():
valC1 = cGammap[dec]
self.modelBuilder.factory_(
'expr::kl_scalBR_%s("(@0-1)*%g",kappa_lambda)' % (dec, valC1))
# next make the partial widths, also including the kappas -> we want to include the term from the normal kappas and the one from the self-coupling
self.modelBuilder.factory_(
'expr::kVkFkl_Gscal_Z("(@0*@0+@3)*@1*@2", kappa_V, SM_BR_hzz, HiggsDecayWidth_UncertaintyScaling_hzz, kl_scalBR_hzz)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_Gscal_W("(@0*@0+@3)*@1*@2", kappa_V, SM_BR_hww, HiggsDecayWidth_UncertaintyScaling_hww, kl_scalBR_hww)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_Gscal_tau("(@0*@0+@6)*@1*@4 + (@2*@2+@7)*@3*@5", kappa_F, SM_BR_htt, kappa_F, SM_BR_hmm, HiggsDecayWidth_UncertaintyScaling_htt, HiggsDecayWidth_UncertaintyScaling_hmm,kl_scalBR_htt, kl_scalBR_hmm)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_Gscal_top("(@0*@0+@3)*@1*@2", kappa_F, SM_BR_hcc, HiggsDecayWidth_UncertaintyScaling_hcc, kl_scalBR_hcc)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_Gscal_bottom("(@0*@0+@4) * (@1*@3+@2)", kappa_F, SM_BR_hbb, SM_BR_hss, HiggsDecayWidth_UncertaintyScaling_hbb, kl_scalBR_hbb)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_Gscal_gluon(" (@0+@3) * @1 * @2", Scaling_hgluglu, SM_BR_hgluglu, HiggsDecayWidth_UncertaintyScaling_hgluglu, kl_scalBR_hgluglu)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_Gscal_gamma("(@0+@6)*@1*@4 + @2*@3*@5", Scaling_hgg, SM_BR_hgg, Scaling_hzg, SM_BR_hzg, HiggsDecayWidth_UncertaintyScaling_hgg, HiggsDecayWidth_UncertaintyScaling_hzg, kl_scalBR_hgg)'
) # no kappa_lambda dependance on H->zg known yet ?
# fix to have all BRs add up to unity
self.modelBuilder.factory_("sum::kVkFkl_SMBRs(%s)" % (",".join(
"SM_BR_" + X
for X in "hzz hww htt hmm hcc hbb hss hgluglu hgg hzg".split())))
self.modelBuilder.out.function("kVkFkl_SMBRs").Print("")
## total witdh, normalized to the SM one (just the sum over the partial widths/SM total BR)
self.modelBuilder.factory_(
'expr::kVkFkl_Gscal_tot("(@0+@1+@2+@3+@4+@5+@6)/@7", kVkFkl_Gscal_Z, kVkFkl_Gscal_W, kVkFkl_Gscal_tau, kVkFkl_Gscal_top, kVkFkl_Gscal_bottom, kVkFkl_Gscal_gluon, kVkFkl_Gscal_gamma, kVkFkl_SMBRs)'
)
## BRs, normalized to the SM ones: they scale as (partial/partial_SM) / (total/total_SM)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_hww("(@0*@0+@3)*@2/@1", kappa_V, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hww, kl_scalBR_hww)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_hzz("(@0*@0+@3)*@2/@1", kappa_V, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hzz, kl_scalBR_hzz)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_htt("(@0*@0+@3)*@2/@1", kappa_F, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_htt, kl_scalBR_htt)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_hmm("(@0*@0+@3)*@2/@1", kappa_F, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hmm, kl_scalBR_hmm)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_hbb("(@0*@0+@3)*@2/@1", kappa_F, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hbb, kl_scalBR_hbb)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_hcc("(@0*@0+@3)*@2/@1", kappa_F, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hcc, kl_scalBR_hcc)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_hgg("(@0+@3)*@2/@1", Scaling_hgg, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hgg,kl_scalBR_hgg)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_hzg("@0*@2/@1", Scaling_hzg, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hzg)'
)
self.modelBuilder.factory_(
'expr::kVkFkl_BRscal_hgluglu("(@0+@3)*@2/@1", Scaling_hgluglu, kVkFkl_Gscal_tot, HiggsDecayWidth_UncertaintyScaling_hgluglu, kl_scalBR_hgluglu)'
)
def getHiggsSignalYieldScale(self, production, decay, energy):
name = "kVkFkl_XSBRscal_%s_%s_%s" % (production, decay, energy)
if self.modelBuilder.out.function(name) == None:
# now make production scaling --> taken from Tab. 2 of https://arxiv.org/pdf/1607.04251v1.pdf, using formula from https://arxiv.org/pdf/1709.08649.pdf (eqn 18)
cXSmap_7 = {
"ggH": 0.66e-2,
"qqH": 0.65e-2,
"WH": 1.06e-2,
"ZH": 1.23e-2,
"ttH": 3.87e-2
}
cXSmap_8 = {
"ggH": 0.66e-2,
"qqH": 0.65e-2,
"WH": 1.05e-2,
"ZH": 1.22e-2,
"ttH": 3.78e-2
}
cXSmap_13 = {
"ggH": 0.66e-2,
"qqH": 0.64e-2,
"WH": 1.03e-2,
"ZH": 1.19e-2,
"ttH": 3.51e-2
}
EWKmap_13 = {
"ggH": 1.049,
"qqH": 0.932,
"WH": 0.93,
"ZH": 0.947,
"ttH": 1.014
}
cXSmaps = {"7TeV": cXSmap_7, "8TeV": cXSmap_8, "13TeV": cXSmap_13}
dZH = -1.536e-3
if production in ["ggZH", "tHq", "tHW"]:
XSscal = ("@0", "Scaling_%s_%s" % (production, energy))
elif production in ["ggH", "qqH"]:
C1_map = cXSmaps[energy]
EWK = EWKmap_13[production]
self.modelBuilder.factory_("expr::kVkFkl_XSscal_%s_%s(\"(@1+(@0-1)*%g/%g)/((1-(@0*@0-1)*%g))\",kappa_lambda,Scaling_%s_%s)"\
%(production,energy,C1_map[production],EWK,dZH,production,energy))
XSscal = ("@0", "kVkFkl_XSscal_%s_%s, " % (production, energy))
elif production in ["ZH", "WH"]:
C1_map = cXSmaps[energy]
EWK = EWKmap_13[production]
self.modelBuilder.factory_("expr::kVkFkl_XSscal_%s_%s(\"(@1*@1+(@0-1)*%g/%g)/((1-(@0*@0-1)*%g))\",kappa_lambda,kappa_V)"\
%(production,energy,C1_map[production],EWK,dZH))
XSscal = ("@0", "kVkFkl_XSscal_%s_%s, " % (production, energy))
elif production == "ttH":
C1_map = cXSmaps[energy]
EWK = EWKmap_13[production]
self.modelBuilder.factory_("expr::kVkFkl_XSscal_%s_%s(\"(@1*@1+(@0-1)*%g/%g)/((1-(@0*@0-1)*%g))\",kappa_lambda,kappa_F)"\
%(production,energy,C1_map[production],EWK,dZH))
XSscal = ("@0", "kVkFkl_XSscal_%s_%s, " % (production, energy))
elif production == "bbH":
XSscal = ("@0*@0", "kappa_F")
else:
raise RuntimeError, "Production %s not supported" % production
BRscal = decay
if decay == "hss": BRscal = "hbb"
if not self.modelBuilder.out.function("kVkFkl_BRscal_" + BRscal):
raise RuntimeError, "Decay mode %s not supported" % decay
self.modelBuilder.factory_(
'expr::%s("%s*@1", %s, kVkFkl_BRscal_%s)' %
(name, XSscal[0], XSscal[1], BRscal))
print '[LHC-HCG Kappas]', name, production, decay, energy, ": ",
self.modelBuilder.out.function(name).Print("")
return name
class AllStagesToEFTModel(STXStoEFTBaseModel):
def __init__(self):
STXStoEFTBaseModel.__init__(self)
from HiggsAnalysis.CombinedLimit.STXS import fixed_procs, stage0_procs, stage1_procs, stage1_1_procs
#self.PROCESSES = {}
for s in ['0','1','1_1']:
if s=='0': self.PROCESSES["stage%s"%s] = [x for v in stage0_procs.itervalues() for x in v]
elif s=='1': self.PROCESSES["stage%s"%s] = [x for v in stage1_procs.itervalues() for x in v]
else: self.PROCESSES["stage%s"%s] = [x for v in stage1_1_procs.itervalues() for x in v]
self.PROCESSES["fixedproc"] = fixed_procs
self.DECAYS = ['hzz','hbb','htt','hww','hgg','hgluglu','hcc','hzg','hmm','tot']
def setPhysicsOptions(self,physOptions):
self.setPhysicsOptionsBase(physOptions)
def doParametersOfInterest(self):
if self.floatMass: print " --> [WARNING] Floating Higgs mass selected. STXStoEFT model assumes MH=125.0 GeV"
self.doMH()
self.SMH = SMHiggsBuilder(self.modelBuilder)
#Read in parameter list from file using textToPOIList function
self.textToPOIList( os.path.join(self.SMH.datadir,'eft/HEL/pois.txt') )
POIs = ','.join(self.pois.keys())
for poi, poi_range in self.pois.iteritems(): self.modelBuilder.doVar("%s%s"%(poi,poi_range))
# Remove cWW+cB from POI list if freezing other parameters
if self.freezeOtherParameters: POIs = re.sub("cWWPluscB_x02,","",POIs)
self.modelBuilder.doSet("POI",POIs)
#POIs for cWW and cB defined in terms of constraints on cWW+cB and cWW-cB: define expression for individual coefficient
self.modelBuilder.factory_("expr::cWW_x02(\"0.5*(@0+@1)\",cWWPluscB_x02,cWWMinuscB_x02)")
self.modelBuilder.factory_("expr::cB_x02(\"0.5*(@0-@1)\",cWWPluscB_x02,cWWMinuscB_x02)")
self.poi_scaling['cWW'] = "0.01*cWW_x02"
self.poi_scaling['cB'] = "0.01*cB_x02"
# Freeze cWW+cB if freezeOtherParameters
if self.freezeOtherParameters:
for poi in self.pois:
if 'cWWPluscB' in poi: self.modelBuilder.out.var( poi ).setConstant(True)
#set up model
self.setup()
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def setup(self):
#For additional options e.g. STXS/BR uncertainties: defined in base class
if self.doBRU: self.SMH.makePartialWidthUncertainties()
if self.doSTXSU: self.makeSTXSBinUncertainties( STXSstage="all" )
# Make scaling functions for each STXS process
stored = []
for s in ['1','0','1_1']:
stage = "stage%s"%s
# Read scaling functions for STXS bins from txt file
if s=="1" and self.useLHCHXSWGNumbers: self.textToSTXSScalingFunctions( os.path.join(self.SMH.datadir, 'eft/HEL/%s_xs_LHCHXSWG-INT-2017-001.txt'%stage) )
else:
if self.useExtendedVBFScheme: self.textToSTXSScalingFunctions( os.path.join(self.SMH.datadir, 'eft/HEL/%s_xs_extended_vbf.txt'%stage) )
else: self.textToSTXSScalingFunctions( os.path.join(self.SMH.datadir, 'eft/HEL/%s_xs.txt'%stage) )
for proc in self.PROCESSES[stage]:
if proc not in stored:
self.makeScalingFunction( proc, STXSstage=s )
stored.append( proc )
# Make dummy scaling (=1) for fixed procs
for proc in self.PROCESSES["fixedproc"]: self.modelBuilder.factory_("expr::scaling_%s(\"@0\",1.)"%proc)
# Read scaling functions for decays from txt files
self.textToDecayScalingFunctions( os.path.join(self.SMH.datadir, 'eft/HEL/decay.txt' ) )
# Make partial width + total width scaling functions
for dec in self.DECAYS: self.makeScalingFunction( dec )
# Make BR scaling functions: partial width/total width
for dec in self.DECAYS:
if dec != "tot": self.makeBRScalingFunction( dec )
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
def getHiggsSignalYieldScale(self,production,decay,energy):
# Function to convert troublesome procs into viable one for HC combination
production = convert_to_STXS(production,decay)
name = "stxstoeft_scaling_%s_%s_%s"%(production,decay,energy)
if self.modelBuilder.out.function(name) == None:
XSscal = None
BRscal = None
# Extract STXS stage process belongs to: in descreasing order as want most recent th. unc
if production in self.PROCESSES['stage1_1']: key = "stage1_1"
elif production in self.PROCESSES['stage1']: key = "stage1"
elif production in self.PROCESSES['stage0']: key = "stage0"
elif production in self.PROCESSES['fixedproc']: key = "fixedproc"
# For fwd production: set to SM
elif "fwd" in production:
self.modelBuilder.factory_("expr::scaling_%s(\"@0\",1.)"%production)
key = None
else:
print "[WARNING] Process %s is not supported in STXStoEFT Model, Setting to 1"%production
return 1
#raise ValueError("[ERROR] Process %s is not supported in STXStoEFT Model"%production)
# Give production correct scaling
XSscal = "scaling_%s"%production
# Check decay scaling exists:
if decay in self.DECAYS: BRscal = "scaling_BR_%s"%decay
else:
print "[WARNING] Decay %s is not supported in STXStoEFT Model, setting to 1"%decay
return 1
#raise ValueError("[ERROR] Decay %s is not supported in STXStoEFT Model"%decay)
# Uncertainty scaling: BR and STXS bin uncertainties
if( self.doSTXSU )&( self.doBRU ):
if key==None:
THUscaler = "uncertainty_scaling_%s"%(decay)
self.modelBuilder.factory_('expr::uncertainty_scaling_%s(\"@0\",HiggsDecayWidth_UncertaintyScaling_%s)'%(decay,decay))
else:
THUscaler = "uncertainty_scaling_%s_%s"%(production,decay)
self.modelBuilder.factory_('expr::uncertainty_scaling_%s_%s(\"@0*@1\",%s_UncertaintyScaling_%s,HiggsDecayWidth_UncertaintyScaling_%s)'%(production,decay,key,production,decay))
elif( self.doSTXSU ):
if key==None:
THUscaler = "uncertainty_scaling_dummy"
self.modelBuilder.factory_('expr::uncertainty_scaling_dummy(\"@0\",1.)')
else:
THUscaler = "uncertainty_scaling_%s"%production
self.modelBuilder.factory_('expr::uncertainty_scaling_%s(\"@0\",%s_UncertaintyScaling_%s)'%(production,key,production))
elif( self.doBRU ):
THUscaler = "uncertainty_scaling_%s"%decay
self.modelBuilder.factory_('expr::uncertainty_scaling_%s(\"@0\",HiggsDecayWidth_UncertaintyScaling_%s)'%(decay,decay))
#Combine XS and BR scaling: incuding theory unc if option selected
if( self.doSTXSU )|( self.doBRU ): self.modelBuilder.factory_("prod::%s(%s)"%(name,",".join([XSscal,BRscal,THUscaler])))
else: self.modelBuilder.factory_("prod::%s(%s)"%(name,",".join([XSscal,BRscal])))
return name