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Considerable progress of the commissioning of the HIRFL-CSR system were achieved in 2006.The first stored beam in CSRm was observed on January 23,2006 using 6.897 MeV/u C~(4+)as the injection beam,and the stripping injection mode was used.The stored beam with lifetime of more than 10 s was ob- served by using Schottky spectroscopy.In June the stored beam was accelerated from 7 to 30 MeV/u.In October 2006 the main ring CSRm has accelerated C~(6+)from 7 MeV/u to 1 GeV/u,and ion number was 1×10~9 per cycle by using stripping injection mode.At the end of 2006 the electron cooling in CSRm was suc-
Considerable progress of the commissioning of the HIRFL-CSR system were achieved in 2006. The first stored beam in CSRm was observed on January 23, 2006 using 6.897 MeV / u C ~ (4+) as the injection beam, and the stripping injection mode was used.The stored beam with lifetime of more than 10 s was ob- served by using Schottky spectroscopy. June the stored beam was accelerated from 7 to 30 MeV / u. October 2006 the main ring CSRm has accelerated C ~ (6 +) from 7 MeV / u to 1 GeV / u, and ion number was 1 × 10 ~ 9 per cycle by using stripping injection mode. At the end of 2006 the electron cooling in CSRm was suc-