Longitudinal electron cooling experiments at HIRFL-CSRe

• Published in: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 808; pp. 29 - 34
• Main Authors: Mao, L.J., Zhao, H., Yang, X.D., Li, J., Yang, J.C., Yuan, Y.J., Parkhomchuk, V.V., Reva, V.B., Ma, X.M., Yan, T.L., Tang, M.T., Xia, J.W.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.02.2016
• Subjects: Electron cooling; Hollow electron beam; Ion storage ring; Electron cooling; Ion storage ring; Hollow electron beam
• ISSN: 0168-9002; 1872-9576
• DOI: 10.1016/j.nima.2015.10.095

At the heavy ion storage ring HIRFL-CSRe an electron cooler is operated to improve the beam conditions for experiments. The properties of cooled beams have been studied. The longitudinal beam dynamics during the cooling process was measured by a resonant Schottky detector. The dependencies of the parameters electron beam density and profile on cooling times were investigated. The friction force was measured directly with the aid of the high voltage system of the cooler and with the application of the beam bunching system as well. An experiment with bunched cold beam showed a dependence of the bunch length on the beam density.