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20 LED units were installed throughout the outer detector so that calibration can occur during operation. This was the final step before installation work took a month long hiatus to accomodate other Inner Detector work. Then we would be able to complete the bottom level.
Jelena works in cramped spaces to install one of 20 LEDs
December 19, 2000
Professor Matsuno strings along the LED cables to the next level below
December 19, 2000
Professor Matsuno and Jelena work LED cables over to the cable hole
December 19, 2000
Kengo puts the LED in the final position after scaffolding is removed from the area
January, 2001
Note that there are two LEDs per mounting. The upward facing LED will illuminate the upper region of PMTs
January 2001
Here we can see the downward facing LED from the same mounting as above that will illuminate the upper side region
January 2001
For the final step in the installation, click here to see pictures of the completed bottom level!
Click here to return to the installation process main page!
Last updated: June 13, 2001 jamessim@tunl.duke.edu