Extra Low Energy Antiproton ring

The AD outputs 5.3 MeV energy antiprotons which are then decelerated to ~5keV using the degrader foils by each of the experimental setups.

The ELENA ring with its efficient beam cooling and deceleration method is meant to increase the effective number of antiprotons that could be made available to the antimatter experiments by reducing the usage of the degrader foils.

Beam cycle through ELENA ring is ~20 seconds long, while it decelerates antiprotons from 5.3 MeV to 100 keV.

Through ELENA, the ATRAP, ALPHA, and AEgIS experiments will get a two-fold increase in the number of antiprotons.

[1][10] While the ASACUSA experiment, which uses radiofrequency quadrupole (RFQD), and an ultra-degrader foil for deceleration will receive a ten-fold increase in the number of its antiprotons.

[2][11] During the commissioning time period, AD being actively used by its experiments, its beams were not regularly available for ELENA's testing.