Fig. 1.

The overall height of the polarized hydrogen jet target at Brookhaven National Laboratory's RHIC is 3.6 m. The nine-stage differential pumping system is evacuated by nineteen 1000 l/s turbomolecular pumps.
International Journal of High-Energy Physics

The overall height of the polarized hydrogen jet target at Brookhaven National Laboratory's RHIC is 3.6 m. The nine-stage differential pumping system is evacuated by nineteen 1000 l/s turbomolecular pumps.