Difference between revisions of "2007-11-07"

Revision as of 11:47, 7 November 2007

1. CDC

CMU group is studying sources of noise in the preamp electronics. So far they are making progress on understanding the sources. Jlab is shipping updated cards to CMU within a week for them to test.
CMU has shipped an example of the coupling from the chamber to the electronics outside the gas volume to Jlab. Jlab is still trying to figure out how they are supposed to work.
CMU group is working on the time-distance conversion function and implementing it in software.

2. BCAL

Blake is finishing up the test beam analysis.
They are testing adjustments of the lead-fiber ratio in MC
They are studying the effects of a pre-radiator in MC.
Andrei has identified the best SiPM array he is getting set up to couple it to the test module and use it to look at cosmic rays.

2a. SiPM work by Jlab detector group

Carl attended IEEE meeting last week and presented his work on silicon photomultiplier tests.
Technology seems to be advancing at a good pace.
Sensl seems to be leading the effort for large-area devices.
Hamamatsu now has produced a 3mm x 3mm device.

4. Solenoid magnet

Plans for the stand and for the cryogenic connections to the outside have been passed to the civil design group.
Work at IUCF continues to fix the leak in coil 3.
Elton has posted a new note with plots of the magnetic field in the regions where phototubes may be placed.
Current map is calculated using TOSCA. Next they want to get the full mechanical model into ANSYS and get a more detailed map using that tool.

5. FDC

The team is gearing up for the tracking review in December.
One important question they want to address is what we gain from having cathode strip readout.
Cost estimate for winding the chambers at Fermilab has jumped very high. Discussions are underway with IUCF to do the winding for the prototype there instead. They have given the plans to IUCF and are waiting to see if they can do it, and what their charges would be.
Working plans and schedules are being discussed this week to make sure that the manpower is in place in the group at Jlab to meet the project milestones.
The Jlab group is working on construction details.
A test of the current FDC prototype has been conducted inside a magnetic field at Jefferson Lab. The tests were completed on Monday. The details of the tests were not discussed.
Now that the magnetic field tests are over, Simon is putting the prototype chamber back together in the test lab.
Simon continues working on the track finding algorithm in the FDC.
Simon is also working on the analysis of the tests of the FDC prototype in the magnetic field. Goal is to report on these results by the end of November.

6. TOF

7. FCAL

8. Beam and Tagger

@@ Line 31: / Line 31: @@
 :* The Jlab group is working on construction details.
 :* A test of the current FDC prototype has been conducted inside a magnetic field at Jefferson Lab.  The tests were completed on Monday.  The details of the tests were not discussed.
+:* Now that the magnetic field tests are over, Simon is putting the prototype chamber back together in the test lab.
+:* Simon continues working on the track finding algorithm in the FDC.
+:* Simon is also working on the analysis of the tests of the FDC prototype in the magnetic field.  Goal is to report on these results by the end of November.
 . TOF
 :*