Change globally the pi0/photon PID cut and track selection for pi0 related lines and tune b2hhpi0 lines for 2025

Update on the Hlt2 selections (BToHHPi0_merged/resolved)

• Add Hlt1*Track*MVA hlt1filter
• Remove is_photon cut in mergedpi0 and resolved pi0
• Remove is_not_h cut in merged pi0
• Slightly tighen the is_not_h cut (0.06->0.1) for resolved pi0
• Tighten the PT cut for mergedpi0 and resolved pi0
• Remove the SUM(IPCHI2) cut for hhpi0
• Add calo_digits and calo_clusters
• Remove all the charge track PID
• Tighten the B_PT_min to 4 GeV, vtx_chi2pdof_max to 6, B_ipchi2_max to 12, dira_min to 0.99995
• Tighten the track chi2/ndof_max to 3, ipchi2_min to 25, ghost_prob_max to 0.5
• Slightly loosen the B mass window to [4500,6800] MeV

Following the script here, running over 200k events, I got the total bandwidth for BToHHPi0_NoPID_merged and BToHHPi0_NoPID_resolved is 0.013 GB/s, these supposed to include the decays of kpi/pipi/kk/pk/ppi/ppbar pi0.

Line name	Rate before (kHz)	Rate (kHz)	Bandwidth before (GB/s)	Bandwidth
BdsToPipPimPi0_NoPID_resolved	0.039	0	-	-
BdsToPipPimPi0_NoPID_merged	0.006	0	-	-
Lb0ToPpPimPi0_NoPID_resolved	0.129	0	-	-
Lb0ToPpPimPi0_NoPID_merged	0.058	0	0.011 (resolved+merged, Bds+Lb0)	0
BToHHPi0_NoPID_resolved	0	0.045	-	-
BToHHPi0_NoPID_merged.	0	0.065	0	0.013 (resolved+merged)

The total rate: 0.232 kHz -> 0.110 kHz, bandwidth: 0.011 GB/s -> 0.013 GB/s

=> Tried to move it to be spruce lines

• bandwidth: 0.0029 GB/s, rate: 0.026 kHz(merged) + 0.037 kHz(resolved)
• Checked with Bd->KstPi0 signal MC, the efficiencies of topo2or3 body trigger are both around 57% in merged and resolved line.

Update on the spruce lines (2h/3h/4hpi0 and 2pi0)

Details and numbers can be found here !4547 (merged)

Bugfix: The Kspipipi0 lines were causing errors, it turns out the error was caused by the med_bpvipchi2_min in make-bbaryon_4body.

In short, the spruce line bandwidth: 0.00059 GB/s -> 0.00084 GB/s