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A method for achieving high-energy isochronism and working path stability in a circular accelerator

A working path and accelerator technology, applied in magnetic resonance accelerators, accelerators, electrical components, etc., can solve problems such as unstable working paths

Active Publication Date: 2019-09-13
CHINA INSTITUTE OF ATOMIC ENERGY
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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention proposes a method for realizing high-energy isochronism and stable working path in a circular accelerator. It will cause the problem of unstable working path and then crossing the integer resonance

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  • A method for achieving high-energy isochronism and working path stability in a circular accelerator
  • A method for achieving high-energy isochronism and working path stability in a circular accelerator
  • A method for achieving high-energy isochronism and working path stability in a circular accelerator

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Embodiment Construction

[0033] The present invention will be further elaborated below in conjunction with the accompanying drawings.

[0034] Design principle of the present invention:

[0035] ⑴ Isochronism

[0036] The circular accelerator is composed of a series of magnets and high-frequency cavities. The particles are deflected by the magnets and accelerated through the high-frequency cavities many times. The voltage of the high-frequency cavity changes sinusoidally with time, and the condition for particles to be accelerated is that each time the particles pass through the high-frequency cavity, they can be on the phase of 0-180 degrees of the voltage waveform. Isochronism means that the time for particles with different energies to rotate once in the accelerator remains unchanged, which means that particles can be continuously accelerated by using a high-frequency cavity with a fixed frequency. The time for a particle to rotate once in the accelerator is expressed as:

[0037]

[0038] Am...

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Abstract

The invention discloses a method for realizing high-energy isochronism and working path stabilization in a circular accelerator. The method comprises the following steps that 1, according to injectionenergy, intermediate energy, lead-out energy and accelerator size range requirements, unit cycle structures of two forward magnets are adopted, and a circular accelerator integral structure meeting the isochronism requirement is designed; 2, between the two forward magnets of each cycle unit, reverse magnets with the same shape are inserted; 3, magnetic fields of the forward magnets and the reverse magnets are adjusted; and 4, spiral angles of the magnets are adjusted. The reverse magnets and the spiral angles are introduced in the circular accelerator, so that a working path of the accelerator in a high energy state is stabilized while the isochronism is achieved, the problem of integral resonance crossing caused by the unstable working path of a traditional circular accelerator is avoided, high-energy continuous beam flow can be led out in the accelerator, and the technical difficulty that the beam flow of the current circular accelerator difficultly reaches more than MWs is solved.

Description

technical field [0001] The invention belongs to the technical field of accelerators, in particular to a method for realizing high-energy isochronism and stable working path in a circular accelerator. Background technique [0002] High-power proton beams are used in many important nuclear technology applications: such as spent fuel reprocessing, material radiation damage in advanced nuclear energy systems, military and civilian dual-use isotope research and development and other national economic fields, as well as in neutron and meson science, neutrino Basic research fields such as dark matter and dark matter have huge application potential. The circular accelerator is one of the main devices for outputting high-power proton beams. The power of proton beams drawn by it is P=E×I×f, where E is the energy of protons, I is the intensity of proton pulse current, and f is the power of proton beams. Repetition frequency, that is, the number of output proton pulse beams per unit ti...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H7/04H05H13/00
Inventor 张天爵李明王川边天剑安世忠
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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