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@ -153,7 +153,7 @@ def _make_ul_ks(descriptor="KS0 -> pi+ pi-"): |
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name='Charm_D0ToKsKs_Ks_UL_{hash}', |
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CombinationCut=F.require_all( |
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in_range(_KS_M - 90 * MeV, F.MASS, _KS_M + 90 * MeV), |
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F.PT < 5050 * MeV, |
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F.PT > 350 * MeV, |
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), |
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CompositeCut=F.require_all( |
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in_range(_KS_M - 70 * MeV, F.MASS, _KS_M + 70 * MeV), |
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@ -341,38 +341,5 @@ def dst_to_d0pi_d0toksks_ulll( |
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dstars = ParticleContainersMerger([dstarp, dstarm]) |
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return Hlt2Line( |
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name=name, algs=charm_prefilters() + [ul_kshorts, dzeros, dstars]) |
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@register_line_builder(all_lines) |
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def dst_to_d0pi_d0toksks_uldd( |
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name="Hlt2Charm_DstpToD0Pip_D0ToKsKs_ULDD"): |
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pvs = make_pvs() |
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dd_kshorts = _make_dd_ks() |
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ul_kshorts = _make_ul_ks() |
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dzeros = ParticleCombiner( |
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[dd_kshorts, ul_kshorts], |
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DecayDescriptor="D0 -> KS0 KS0", |
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name="Charm_D0ToKsKs_D0ToKsKs_ULDD", |
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AllowDiffInputsForSameIDChildren=True, |
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CombinationCut=F.require_all( |
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in_range(1730 * MeV, F.MASS, 2000 * MeV), |
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F.SUM(F.PT) > 1500 * MeV, |
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), |
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CompositeCut=F.require_all( |
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in_range(1775 * MeV, F.MASS, 1955 * MeV), |
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F.CHI2DOF < 10, |
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F.BPVDIRA(pvs) > 0.9994, |
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), |
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) |
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pitag = make_tagging_pions() |
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dstarp = _make_dstars(dzeros, pitag, "D*(2010)+ -> D0 pi+") |
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dstarm = _make_dstars(dzeros, pitag, "D*(2010)- -> D0 pi-") |
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dstars = ParticleContainersMerger([dstarp, dstarm]) |
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return Hlt2Line( |
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name=name, algs=charm_prefilters() + [ul_kshorts, dzeros, dstars]) |