Study for Space Charge effect in tune space at J-PARC MR

Choice of tune operating point is serious for operation of high intensity proton machine. Space charge force induces tune spread and nonlinear resonance. Nonlinear resonances are also contained in accelerator lattice. We discuss optimization of operating point based on space charge simulation in J-PARC Main Ring.
Proceedings of the 5th Int. Particle Accelerator Conf., IPAC2014, Dresden, Germany