February 2009: Searching for electrons - beam adjustment
Marco is going to adjust the position of the electron-positron converter.
The electron-positron converter first time in position for adjustment
The electron-positron converter (left-down) close to the positron extraction lens. Illuminated hole in the left: electron beam entrance window (flange is dismounted).
The electron-positron converter seen through the electron entrance window (Be window flange is dismounted).
A fraction of the lead shielding must be removed again.
The electron beam line to the positron target.
The electron beam line to the positron target.
The electron beam line to the positron target.
The electron beam line to the positron target.
The electron beam line and the electron-positron converter stage.
Marco Jungmann and Benno Werlich (left) during converter adjustment.
Final electron beam diagnostic stage.
Electron beam line. In the background: the positron converter.
The labview PC for beam adjustment.
The beam line in th lab. The electron gun is mounted on the top.
