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DIRC 3d view DIRC
Recent Images

DIRC Final Installation in IR-2 (October 1999)


Top view of installation fixture and beamline.

Installation fixture for barbox #11.

Installation of barbox #11.

End view of the installation fixture.

Installation progress.

Installation of the last barbox, #0.


Barbox #0 almost installed.

Blair Ratcliff in front of the completed DIRC.
Click on thumbnail to view full-size image. Photographs taken by J.Va`vra.

DIRC Installation in IR-2 (March 1999)


View of the Standoff Box (SOB) region.

Opening of the SOB doors on March 1, 1999.

View at the plane of photomultiplier tubes (PMT) in the west door of the SOB.

View at the PMTs in the east door of the SOB.

During the installation work, the PMT planes are protected by light-weight panels that are temporarily bolted to the SOB doors.

The bar box is attached to the installation fixture and transported to the SOB region by crane.



The bar box, attached to the installation fixture, is inserted into the slot of the support tube.

Detail view of the three bar boxes installed in March.

View of bar box #4 after installation. The wedges are visible through the quartz window and a plastic window that protects the quartz.

Overview of the bar box installation status. Three (at the bottom) were installed in March, one (at the top) in the Fall of 1998 before the start of the cosmic run.

Work on the SOB doors.

View of the SOB before closing time.

Closing of the SOB.
Click on thumbnail to view full-size image. Photographs taken by R.W.Kadel,
J.Schwiening and J.Va`vra.

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Last updated 4 Nov 1999, Jochen.