Conceptual Design of Rapid Circular Particle Accelerator Using High-Gradient Resonant Cavities with Fixed Frequency

Abstract

A new high-energy particle accelerator with static combined type of magnetic field and high-gradient resonant cavities is introduced for muon acceleration up to 300 MeV and proton acceleration up to 400 MeV. The accelerator concept is expected to realize Mpps-class rapid cycling high-energy particle acceleration in circular particle accelerators. Conceptual designs of the circular accelerator are discussed with an emphasis on short lifetime particles. The fundamental concept of particle acceleration and the related practical issues, which should be discussed when designing the accelerators, are described as well.

New Approach for Designing of High-Energy Circular Particle Accelerators

“…(16) is useful for understandings of various motions of high-energy particles and required static or quasi-static magnetic field. The concept of the expression was used for a new concept of a rapid cycling circular particle accelerator [6].…”

“…The isochronous condition can be derived by conventional methods, but the solution is applicable for a practical use because the solution induces the vertical beam loss inevitably [5]. The transverse emittance of the high-intensity beam accelerated by conventional methods becomes very large [6]. It is, therefore, difficult to find optimum conditions on magnetic field configuration.…”

Impulse Strong Mirror Field for High-Energy Particle Handlings

“…One of the major concerns in the society of the high-energy particle science for wide uses is the development of compact devices to produce a new particle by nuclei conversions [1][2][3][4][5]. Almost all experiments related with nuclei conversion studies in which the primary particles must be energized highly are often performed by high-energy particle accelerators, so the scale of conventional particle accelerators becomes very large.…”