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B2OC: Tuned B->Dh, D->HHHH lines

Martin Tat requested to merge b2oc_upgrade_BuToD0h_D0ToHHHH_tuning into b2oc_upgrade

Change some cuts in four-body B->Dh lines to bring the rate down. The retention, when checking in DaVinci on 2024 min bias, went from 34 to 10. I'm currently running Moore on 100k min bias events to check the absolute rate.

The lines I would like to tune are: BuToD0K_D0ToHHHH BuToD0Pi_D0ToHHHH BuToD0K_D0ToHHHHWS BuToD0Pi_D0ToHHHHWS The WS lines already have low retention but we would like to have identical selections for signal and WS lines.

Edited by Martin Tat

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