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During HIRFL operation in 2011, the Cooler Storage Ring (CSR) electron coolers showed their effectiveness in increasing beam intensity at the main ring (CSRm) and cooling various ions down a momentum spread of 10-5 order at the experimental ring (CSRe) in a series of experiments, e.g. electron-ion recombination at down-steam of the two electron coolers, secondary beam mass measurement at CSRe, and beam slow extraction for cancer therapy and fixed target experiments. Together with the realization of storing and acceleration of the naturally existing heaviest element Uranium and lightest element Hydrogen, CSR electron coolers have cooled and accumulated all these ions in CSR. The facility operation with electron cooling in 2011 is shown in Table 1.
During HIRFL operation in 2011, the Cooler Storage Ring (CSR) electron coolers showed their effectiveness in increasing beam intensity at the main ring (CSRm) and cooling various ions down a momentum spread of 10-5 order at the experimental ring (CSRe) in a series of experiments, eg electron-ion recombination at down-steam of the two electron coolers, secondary beam mass measurement at CSRe, and beam slow extraction for cancer therapy and fixed target experiments. Together with the realization of storing and acceleration of the naturally existing heaviest element Uranium and lightest element Hydrogen, CSR electron coolers have cooled and accumulated all these ions in CSR. The facility operation with electron cooling in 2011 is shown in Table 1.