The Far Forward Upgrade Page

The OPAL Far Forward calorimeter has been upgraded during the winter shutdown 97/98. To improve the position resolution of the device, a layer of scintillator fingers has been introduced into the calorimeter at shower maximum.

Some pictures of the detector

View of the fibre root
FF fibre root

View of the y-z plane from x=5cm
FF y-z view

View of the x-z plane from y=+7cm
FF x-z view

View of an individual finger
FF individual finger