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Run10 Preparation Status and Issues Itaru Nakagawa RIKEN/RBRC.

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Presentation on theme: "Run10 Preparation Status and Issues Itaru Nakagawa RIKEN/RBRC."— Presentation transcript:

1 Run10 Preparation Status and Issues Itaru Nakagawa RIKEN/RBRC

2 Issues Baseline Issue MuID Efficiency Seems Low? MuTR non-stereo plane efficiency in St-1 low? – HV increase wasn’t enough in Run9 J/psi reconstruction is 10 ~ 15% fewer in North arm. Significant rate dependence of J/psi reconstruction. Offline Fake High PT rejection

3 Baseline Measurement Present Proposed Failed? Too risky to play around with FEE’s in IR. Need to setup test bench. Ming will come to PHENIX in Dec to work on this. Firmware development. Who has the latest firmware?

4 Dosimeter Extension + 10”

5 Dosimeter Extension

6 Short Term To Do List (from 10.29 report) OASys camera alignment ✓ Swap LV distributor for St.1,Q4 w/ spare due to offset current ✓ Inspect Thermocouple in St-2, Oct.7 (readout somewhat low ~ 33 degrees) North St-3, Oct-1 high fake hit rate issue BCLK Timing tune ✓ – Delay(st1: 15ns, st2:20ns, st3:28ns)

7 Near Future Plan Clean up test bench Organize Spare boards  bookshelf Channel Map  database Cosmic data taking from 1 st week December MuTR Operating HV Values for Run10 – Need to prove better resolution in Run9

8 Misc Placed Order Conformal Coating and remover Ran LL1 cables


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