1. 904 Status Recall last Group Meeting…
RAID crash on main computer had rendered 904 unusable…
Lots of work by lots of people almost got it to work…
Why “almost?” Well, just before I went on vacation…
Track Finder software bugs stopped TF from working (N.B. this was the same set of bugs which caused problems in running at point 5 at the beginning of the 4th of July weekend…)
Then, while I was on vacation…
Cooling water temperature setting was lowered to 15.6ºC
Hot weather + high humidity (= low dew points) = water collected on 904 crates
Increased temp. setting to 18.5ºC (given the continued hot/humid weather, this may still not be enough, Petr is trying to find out what to do about this)
And finally, yesterday and today…
Cooling maintenance ongoing. They are supposed to be finished by tomorrow
13 July 2010
G. Rakness (UCLA)

2. Things to do at 904
TMB firmware test (that’s right, this still hasn’t been done! )
Includes associated counter + register + configuration updates in online software
Need to get (miniscope) data to CSCUnpacker + CSCExaminer folks
SP firmware test
Mostly will be pattern tests, since a lot of their firmware upgrade is regarding DT  CSC trigger primitive exchange…
ALCT firmware test
Need to get (zero-suppressed) data to CSCUnpacker + CSCExaminer folks
So my plan is…
IF the cooling work is finished
I am going to spend Wednesday at 904, and will be calling people to bug them to get things going
IF the cooling work is not finished
I will push on Thursday, then on Friday…
This fact will will simply be pushing us closer to spending the technical stop in "904-mode"
13 July 2010
G. Rakness (UCLA)

3. Updated CSC “To Do” at Technical Stop
TMB firmware update, includes…
Close-in-time CLCT readout bug-fix (i.e. TMB “out-of-sync”)
Miniscope readout
Prioritized TMB readout
Sync Error bug-fix
SP firmware update
Singles: Improved phi and pT assignment
DT-CSC matching issues, including timing adjustment and quality
Online Software upgrade (EMUlib v9.10), includes…
PCManager
EmuTStore
XMAS
X2P
X2P & PVSS DIM data structure
DCS GUI
13 July 2010
G. Rakness (UCLA)

4. Other things to do during Technical Stop
SP test of online-computer replacement
Procedure of how to replace an online computer is vague
Needs coordination with CMS DAQ folks, since it is their domain…
CLCT muonic timing
Ensure that all CFEB readout timing is OK
… and don’t forget when beam comes back after the technical stop… (see next page)
13 July 2010
G. Rakness (UCLA)

5. With Beam, after the Technical Stop
Remove singles from trigger?
Rumor is that -Onia physics isn’t using it?
High-luminosity timing scan
Previously, ~30K min bias/point in ~20 minutes, with current instantaneous luminosities, this takes ~1 sec at L=0.5x1030
Neutron rate runs
Need to triggering on filled bx
Need to triggering on non-filled bx
13 July 2010
G. Rakness (UCLA)

6. Looking at CSC Activity Trigger Offline for Run 137028
Min-bias triggers from collisions at 7 TeV:
Examine “/ZeroBias/Run2010A-v1/RAW” events from this run
… I don’t pretend to understand this number, since this run had…
135M Physics L1As
193k “HLT_ZeroBias” triggers
13 July 2010
G. Rakness (UCLA)

7. CSC Activity Trigger Breakdown
The CSC Activity Trigger goes through the following steps:
HLTBeginSequenceBPTX = Selects triggers within ±1 bx of BPTX (and finds an [offline] beam spot)
All events pass (100%)
hltL1sL1BscMinBiasORBptxPlusORMinus = L1 seed for this HLT path (see previous page)
19632/ events pass (7.6%)
hltPreActivityCSC = “Smart prescales” = vector of prescales used depending on the luminosity [“4E29”, “2E29”, “1E29”]
I set this to 1 by hand for this study (100%)
NOTE: this was set to 30 for the previous study, and is an easy way to get a smaller number of “pass” events…
hltMuonCSCDigis = Process CSC Digis for this run
hltCSCActivityFilter = Select events with any CSC having at least one strip with ADC value > 20 counts above “pedestal”
With ME1/1A enabled  402/19632 events pass (2.0%)
With ME1/1A disabled  239/19632 events pass (1.2%)
13 July 2010
G. Rakness (UCLA)

8. Which chambers fire the activity trigger?
Ring
Nchambers (total– both endcaps)
ME1/1
124
ME1/2 9
ME1/3
ME2/1 55
ME2/2 4
ME3/1 14
ME3/2
ME4/1 27
ME4/2 2
Ring 1
Ring 2
No “hot chambers” seen (i.e., ~evenly distributed in phi)
13 July 2010
G. Rakness (UCLA)

9. To do Tomorrow TMB firmware + software at 904
Make sure instructions are absolutely clear for unmanned CSC day shifts
Analysis
Look at AFEB time bins ON for timing scan runs
Documentation
Look at/input transitions into TriDAS/emu/doc/html/EmuFSM.xhtml
To do at 904
TTCci consolidation with Calibration Runs
Online software
Put ALCT firmware database check into ALCT firmware write routine
Resurrect ALCT self-test
ALCT hot-channel mask in xml file/config DB
Expert config check
Configuration check with separated DMB and CFEB
13 July 2010
G. Rakness (UCLA)