Based on a theoretical analysis of the energy spread of RFQ shaper section, simulation by using computer code RFQDYN shows that an energy spread of 0.4% can be obtained by optimizing RFQ parameters.

• 利用变参量RFQ动力学模拟程序RFQDYN进行模拟优化，得到输出束流能散为0.；4%25的RFQ加速器物理设计。