====== Analysis of 2010 TB ====== ===== Datasample Summary ===== ^ Run ^ Mixture ^ Configuration ^ HV Old chmb ^ HV New chmb ^ SC ^ BD ^ NaI ^ N evts ^ rate ^ comments ^ | run_6jul10_beam1 | 80/20 | conf_050710_beam2 | 1.6 kV | 1.6 kV | yes | yes | - | 10k | ~150 Hz | 6 jul night HV scan for efficiency/charge [gas getting worse] | | run_6jul10_beam2 | 80/20 | conf_050710_beam2 | 1.7 kV | 1.7 kV | yes | yes | - | 30k | ~150 Hz | " | | run_6jul10_beam3 | 80/20 | conf_050710_beam2 | 1.8 kV | 1.8 kV | yes | yes | - | 30k | ~150 Hz | " | | run_6jul10_beam4 | 80/20 | conf_050710_beam2 | 1.9 kV | 1.9 kV | yes | yes | - | 30k | ~150 Hz | " | | run_6jul10_beam5 | 80/20 | conf_050710_beam2 | 2.0 kV | 2.0 kV | yes | yes | - | 30k | ~150 Hz | " | | run_6jul10_beam6 | 80/20 | conf_050710_beam2 | 2.1 kV | 2.1 kV | yes | yes | - | 30k | ~150 Hz | " | | run_6jul10_beam7 | 80/20 | conf_050710_beam2 | 2.2 kV | 2.2 kV | yes | yes | - | 30k | ~150 Hz | " | | run_6jul10_beam8 | 80/20 | conf_050710_beam2 | 2.3 kV | 2.3 kV | yes | yes | - | 30k | ~150 Hz | " | | run_6jul10_Collim2.3_70mV_regas | 80/20 | conf_060710_lunch | 2.3 kV [U view @ 2.2 kV] | 2.3 kV | yes | yes | - | 100k | ? Hz | Jul 7 Lunch run: **Gas OK**! | ===== Studies ===== ==== Analysis steps ==== * Starting with regas studies (July 6 after lunch) to compute S-T relations * Running 'plain' Analizer. * Clean Fit should be defined with **1 hit on new chamber** on plan0 [chs 1-3 tdc disconnected] ==== How to compute the T0s ==== * The TB values where computed by Till [Jul 2010] * Code (from till): T0dch_new [compile with proper Makefile, after changing hardcoded file names] * checked that the central values are nearly stable [To be checked in detail] === To Do === - Check T0 - Develop a clever it