Due to the requirement of the beam collimation for beam loss control in a high intensity proton synchrotron, the lattice with 4-fold structure is preferred for separated-function design: The …

Dec 11, 2018 · The CSNS DTL adopted equipartitioning to suppress transverse longitudinal coupling resonance. Accordingly, two lattice options were studied to provide focusing: …

To reach a high effective shunt impedance, the cell shape and size are tuned with β stepwise in the low β segment, and keeping the maximum surface field below 1.3 times the Kilpatrick limit. …

The CSNS/RCS Lattice is flexibly tunable, and the tunes can be matched to integer split-tune (5.82, 4.80), high beam density and high repetition rate for CSNS/RCS, the rate of beam loss …

Nov 26, 2018 · In this paper, a so-called time-dependent lattice method is added as a function in the ORBIT code to provide a simulation mode with a dynamic lattice for analyzing the beam …

CSNS accelerator mainly consists of an H- linac and a proton rapid cycling synchrotron. It is designed to accelerate proton beam pulses to 1.6GeV kinetic energy at 25 Hz repetition rate, …

An optimal lattice design is essential for the cost and the future operation. The lattice design of CSNS is presented, and the related dynamics issues are discussed. The injection/extraction …

Oct 15, 2006 · The present lattice of the CSNS/RCS is a hybrid structure, consisting of FODO cells in the arcs and triplet cells in the straight sections [3]. There are four long straight …

Dec 11, 2018 · The 324 MHz drift tube linac (DTL) is the main part of CSNS accelerator linac complex. It can provide 15 mA (30 mA in phase II) peak current beam with energy gain from 3 …

CSNS-I (Chinese Spallation Neutron Source), which is now under construction, consists of an 80 MeV H- Linac as the injector and a 1.6 GeV proton rapid cycling syn-chrotron (RCS) as the …