LHCb VELO Testbeam at Fermilab Jianchun Wang Syracuse University.
Pixel Testbeam at Fermilab Jianchun Wang Syracuse University.
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Pixel Testbeam at Fermilab Jianchun Wang Syracuse University
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Transcript of Pixel Testbeam at Fermilab Jianchun Wang Syracuse University.
Pixel Testbeam at
Fermilab
Jianchun Wang
Syracuse University
02/27/2009 Jianchun Wang 2
02/27/2009 Jianchun Wang 3
02/27/2009 Jianchun Wang 4
02/27/2009 Jianchun Wang 5
Online/Offline Display of Raw Hits
X (mm)
Y (
mm
)
X (mm)
Y (
mm
)
Number of TBDBs
Some chips were disabled due to noisy cells.
02/27/2009 Jianchun Wang 6
Form Seed Tracks
Y3-Y1-Offset (mm)
Use hits in stations 1 & 3 (X precision stations) as seeds to form tracks.
The window is 1 mm in both X and Y directions.
X3-X1-Offset (mm) (X3-X1) / (Z3-Z1)
(Y3-Y1) / (Z3-Z1)
Use theoretical positions. No alignment yet.
02/27/2009 Jianchun Wang 7
Pick Up Hits From Other Stations
X2-Xprojection (mm) Y2-Yprojection (mm)
X4-Xprojection (mm) Y4-Yprojection (mm)
02/27/2009 Jianchun Wang 8
Basics on Tracks
Number of Planes of Each Track Number of Tracks in The Event
With Trigger
02/27/2009 Jianchun Wang 9
Cluster Size
Num of Columns Num of ColumnsNum of Rows Num of Rows
Plane 1
Plane 2
Plane 3
Plane 4
02/27/2009 Jianchun Wang 10
Summary
There are significant improvements.
We took about half million good tracks. They are useful to develop alignment codes and produce some convincing plots to get our European colleagues committed.
There are still problems need to be solved. These problem are not vital to our VELO test. Reset router frequently ( solved on 02/25 test ).
E chip drops off.
Kill mask ( had a successful attempt ).
Dave and I had a half day testbeam with me remotely. It worked fine and we will continue from time to time.
We are pushing for an April VELO testbeam.
02/27/2009 Jianchun Wang 11
Fermilab MT6 Schedule
Date Experiment Description Contact Area
Jan 9Feb 18-24 T971 Pixel telescope Christian 1-AMar 5-6Mar 16-21 T971 Pixel telescope Christian 1-AMar 23-24Apr 1-7 T953 Calorimeter tests Agkan 2-BApr 15-28 T971 Pixel telescope Christian 1-AApr 29-May 26 T978 CALICE Sefkow 2-CMay 27-Jun 2 T988 AIRFLY Privitera 2-BJun 3-9 T979 PSEC Albrow 2-B
Open house
Tour
Roof inspection
http://www-ppd.fnal.gov/mtbf-w/mt6_weekly_schedule.htm
