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New 2025 Charm changes for September MD

This MR is meant to collect new HLT2 charm changes before September MD as continuation of !4792 (merged)

Contributing

If you want to contribute to this MR, please open a new MR and target the charm_sept_md_2025 branch and explain your goals.

All the additions need to be tested locally, including the impact on the bandwidth and rate: previous and new rates and bandwidths, respectively.

Do not rebase or force-push to this branch without the consent of the liaisons @yingl @aanelli and @cacochat, since this might lead to losses on the changes

Changes

Decay descriptor mismatches

cbaryon_to_pk @ziyiw !5176 (merged)

  • Fix typo on the decay descriptor

hexaquarks @cacochat !5246 (merged)

  • Add manually the decay descriptor in the _xsec_make_lc_or_xicp_pKpi maker

New lines

rare_charm_* @cbreitfe !5214 (merged)

  • New HLT2 lines for D0->h0l+l- and D0->h0pi+pi-

Changes on existing lines

dst_to_dee @cacochat !5175 (merged)

  • Tighten the dielectron mass range
  • Tighten the BDT cut
  • Add HLT1 filters

ccbaryon_to_hyperon_dh @ziyiw !5215 (merged)

  • Add HLT1 filters
  • Tighten mass window on Xi- and chi2/ndof of ccbaryon

d_to_ksh @msaur !5223 (merged)

  • Removal of Hlt2Charm_DpDspToKsPip_TT and Hlt2Charm_DpDspToKsKp_TT

d_to_ksh @smaccoli !5239 (merged)

  • Add h_pt_min = 800 MeV cut for DD lines

d0_to_hh @cacochat !5245 (merged)

  • Missing BPVLTIME for OWNPVLTIME change in the make_dzeros_lowbias maker

hyperons @mstahl !5251 (merged)

  • Tighten probnnp cut for downstream Lambdas from charm
  • Fix some parentheses when using CHILD functors
Edited by Giulia Tuci

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