yzhao/D0_to_KSKS_HLT2
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This commit is contained in:
yukai 2023-09-15 12:23:37 +02:00
parent 00742e40c0
commit d0a4271a96
1 changed files with 1 additions and 34 deletions
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35
d0_to_ksks.py
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@ -153,7 +153,7 @@ def _make_ul_ks(descriptor="KS0 -> pi+ pi-"):
name='Charm_D0ToKsKs_Ks_UL_{hash}',
CombinationCut=F.require_all(
in_range(_KS_M - 90 * MeV, F.MASS, _KS_M + 90 * MeV),
F.PT < 5050 * MeV,
F.PT > 350 * MeV,
),
CompositeCut=F.require_all(
in_range(_KS_M - 70 * MeV, F.MASS, _KS_M + 70 * MeV),
@ -341,38 +341,5 @@ def dst_to_d0pi_d0toksks_ulll(
dstars = ParticleContainersMerger([dstarp, dstarm])
return Hlt2Line(
name=name, algs=charm_prefilters() + [ul_kshorts, dzeros, dstars])
@register_line_builder(all_lines)
def dst_to_d0pi_d0toksks_uldd(
name="Hlt2Charm_DstpToD0Pip_D0ToKsKs_ULDD"):
pvs = make_pvs()
dd_kshorts = _make_dd_ks()
ul_kshorts = _make_ul_ks()
dzeros = ParticleCombiner(
[dd_kshorts, ul_kshorts],
DecayDescriptor="D0 -> KS0 KS0",
name="Charm_D0ToKsKs_D0ToKsKs_ULDD",
AllowDiffInputsForSameIDChildren=True,
CombinationCut=F.require_all(
in_range(1730 * MeV, F.MASS, 2000 * MeV),
F.SUM(F.PT) > 1500 * MeV,
),
CompositeCut=F.require_all(
in_range(1775 * MeV, F.MASS, 1955 * MeV),
F.CHI2DOF < 10,
F.BPVDIRA(pvs) > 0.9994,
),
)
pitag = make_tagging_pions()
dstarp = _make_dstars(dzeros, pitag, "D*(2010)+ -> D0 pi+")
dstarm = _make_dstars(dzeros, pitag, "D*(2010)- -> D0 pi-")
dstars = ParticleContainersMerger([dstarp, dstarm])
return Hlt2Line(
name=name, algs=charm_prefilters() + [ul_kshorts, dzeros, dstars])