An object of the present invention is to prevent disappearance of ions supplied to an accelerator. An eccentric trajectory type accelerator 1 includes a laser source 12 and a target 20 that emits ions by being irradiated with a laser beam emitted from the laser source 12. The eccentric trajectory type accelerator 1 includes a container 10 that forms a columnar space therein, an acceleration electrode structure that accelerates ions in a circumferential direction of the columnar space, and a main coil 38 that generates a magnetic field in an axial direction of the columnar space, and accelerates the ions emitted from the target 20. The target 20 is disposed at a position away from a central axis of the columnar space.

Provided are a plurality of embodiments, including, but not limited to, a device for generating efficient low and high average power output Gamma Rays via relativistic particle bombardment of element targets using an efficient particle injector and accelerator at low and high average power levels suitable for element transmutation and power generation with an option for efficient remediation of radioisotope release into any environment. The devices utilize diamond or diamond-like carbon materials and active cooling for improved performance.

An accelerator includes: a plurality of ion sources 221, 222, and 233 that generate a plurality of different types of ions; an electromagnet 11 that generates a magnetic field; and a high frequency cavity 21 that generates a high frequency electric field. The center of an orbit of the ion is eccentric with acceleration, the magnetic field generated by the electromagnet 11 is a magnetic field distribution that decreases outward in a radial direction of the orbit, the high frequency cavity 21 accelerates the ion up to a predetermined energy by the high frequency electric field adjusted to an orbital frequency in response to a nuclide of the incident ion, and a frequency of the high frequency electric field changes following an energy of the ion. Accordingly, it is possible to provide an accelerator and a particle therapy system capable shortening an irradiation time with a small size.

An accelerator includes: a plurality of ion sources 221, 222, and 233 that generate a plurality of different types of ions; an electromagnet 11 that generates a magnetic field; and a high frequency cavity 21 that generates a high frequency electric field. The center of an orbit of the ion is eccentric with acceleration, the magnetic field generated by the electromagnet 11 is a magnetic field distribution that decreases outward in a radial direction of the orbit, the high frequency cavity 21 accelerates the ion up to a predetermined energy by the high frequency electric field adjusted to an orbital frequency in response to a nuclide of the incident ion, and a frequency of the high frequency electric field changes following an energy of the ion. Accordingly, it is possible to provide an accelerator and a particle therapy system capable shortening an irradiation time with a small size.

Provided are a plurality of embodiments, including, but not limited to, a device for generating efficient low and high average power output Gamma Rays via relativistic particle bombardment of element targets using an efficient particle injector and accelerator at low and high average power levels suitable for element transmutation and power generation with an option for efficient remediation of radioisotope release into any environment. The devices utilize diamond or diamond-like carbon materials and active cooling for improved performance. Also provided are a nuclear reactor and a decontamination device using such a device.

Provided are a plurality of embodiments, including, but not limited to, a device for generating efficient low and high average power output Gamma Rays via relativistic particle bombardment of element targets using an efficient particle injector and accelerator at low and high average power levels suitable for element transmutation and power generation with an option for efficient remediation of radioisotope release into any environment. The devices utilize diamond or diamond-like carbon materials and active cooling for improved performance.

Provided is a particle beam treatment apparatus irradiating an irradiation target with a particle beam. The apparatus includes: an accelerator that generates the particle beam in an acceleration space; and an irradiation unit that virtually divides the irradiation target into a plurality of layers and irradiates each layer while performing scanning with the particle beam with a scanning electromagnet. The accelerator includes a particle generation unit generating particles that are to accelerate in the acceleration space, and the accelerator sets a parameter of the particle generation unit based on at least one of the layers of the irradiation target and adjusts an intensity of the particle beam based on the set parameter.

Systems and methods for that utilize a compressed coherent high intensity X-ray pulse to drive acceleration of particles in a solid medium laser wakefield accelerator (LWFA).

Provided are a plurality of embodiments, including, but not limited to, a device for generating efficient low and high average power output Gamma Rays via relativistic particle bombardment of element targets using an efficient particle injector and accelerator at low and high average power levels suitable for element transmutation and power generation with an option for efficient remediation of radioisotope release into any environment. The devices utilize diamond or diamond-like carbon materials and active cooling for improved performance.

Systems and methods for that utilize a compressed coherent high intensity X-ray pulse to drive acceleration of particles in a solid medium laser wakefield accelerator (LWFA).