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@unpublished{krantz:cool2023-frpam1r1,
author = {C. Krantz and Z. Andelkovic and C. Dimopoulou and S. Fedotova and W. Geithner and F. Herfurth and R. Hess and M. Lestinsky and E. Menz and K. Mohr and W. Nörtershäuser and A. Reiter and J. Roßbach and R.M. Sanchez Alarcon and G. Vorobyev},
% author = {C. Krantz and Z. Andelkovic and C. Dimopoulou and S. Fedotova and W. Geithner and F. Herfurth and others},
% author = {C. Krantz and others},
title = {{Electron Cooling of Low-Energy Ion Beams in CRYRING@ESR}},
% booktitle = {COOL'23},
eventtitle = {Int. Workshop Beam Cooling Relat. Top. (COOL'23)},
eventdate = {2023-10-08/2023-10-13},
language = {english},
intype = {presented at},
series = {International Workshop on Beam Cooling and Related Topics},
number = {14},
venue = {Montreux, Switzerland},
note = {presented at COOL'23 in Montreux, Switzerland, unpublished},
abstract = {{Within the CRYRING@ESR project, the heavy-ion storage ring CRYRING has been transferred from Stockholm to Darmstadt. It complements the Experimental Storage Ring (ESR) of GSI/FAIR by a machine optimized for low ion energies. CRYRING@ESR can store the full spectrum of highly-charged heavy ions available from the UNILAC/SIS18 accelerator chain after deceleration in ESR, with the option to decelerate even further in CRYRING itself. Electron cooling in both rings is an essential part of beam preparation at CRYRING@ESR. In a complementary stand-alone mode, CRYRING@ESR can operate with ions in low charge states, injected from an independent low-energy linac. This extends the experimental possibilities available at GSI/FAIR, but comes with new challenges with respect to electron cooling. Singly- or weakly-charged ions are often limited to very low storage velocities, capped by the maximum rigidity of the bending magnets. With ions that slow, interaction of the electron space-charge with the dispersive ring optics can easily lead to instabilities in the cooled beam. We present and discuss our experience with low-energy electron cooling from the first years of CRYRING@ESR operation.}},
}