Abstract
Abstract
In the Conceptual Design Report (CDR) stage of the Circular
Electron and Positron Collider (CEPC), the injection energy of the
Booster is 10 GeV and minimal working field of the dipole magnets
is only 29 G, the magnets with iron cores could not meet the
requirement of the field precision due to the remnant field. In the
CEPC Technical Design Report (TDR) stage, the injection energy of
the Booster is increased to 30 GeV and the minimal working field of
the dipole magnets is raised to 95 G so that the influence of the
remnant field becomes relatively small, the iron core dipole magnets
can be used for the Booster. In this paper, the technical design of
the CEPC Booster dipole magnets is described, the development and
test of a full scale prototype pure dipole magnet are presented.
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