Author/Authors :
Katoh، نويسنده , , M. and Hayashi، نويسنده , , K. and Honda، نويسنده , , T. and Hori، نويسنده , , Y. and Hosaka، نويسنده , , M. and Kinoshita، نويسنده , , T. and Kouda، نويسنده , , Shyam S. and Takashima، نويسنده , , Y. and Yamazaki، نويسنده , , J.، نويسنده ,
Abstract :
An upgrade plan is proposed for UVSOR. The magnetic lattice will be modified while keeping the circumference and the overall shape of the ring unchanged. An emittance of 27 nm rad can be achieved, which is smaller by a factor of six than the present value. The number of straight sections will be doubled. Six straight sections will be available for insertion devices. All of them have small betatron function in vertical and are suitable for short period and narrow gap undulators, which are able to produce high brilliance soft X-rays. The new lattice has a dynamic aperture sufficiently large for injection and storage. An improvement on the main RF cavity as well as the use of the existing third harmonic RF cavity for bunch lengthening will make beam lifetime sufficiently long against strong Touschek effect.
