LINEAR ACCELERATING STRUCTURE FOR PROTONS

WIPO Patent Application WO/2019/043070

A3

A linear particle accelerating structure is provided for accelerating protons using radio frequency (RF), radiation, the structure comprising at least two coupled resonant cavity units. Each resonant cavity unit comprising a corresponding resonant cavity with an input port and an output port for a beam of protons; and an RF input to receive an RF signal; an RF phase shifter to control the phase of the RF signal. The particle accelerating structure further comprises at least one RF phase shifter to adjust, in one or more of the respective cavities, a phase of the RF signal to expose the protons to an accelerating portion of the electric field for a first duration and to expose the protons to a decelerating portion of the electric field for a second duration, wherein the first duration is greater than the second duration and greater than zero and wherein the second duration is greater than or equal to zero.

JPS594480	[Title of the device] Standing wave acceleration pipe
JP2932473	[Title of Invention] High Frequency Charged Particle Accelerator
JPH01235199	STANDING WAVE TYPE ACCELERATOR TUBE

HUNT STEVEN (GB)

PCT/EP2018/073259

April 11, 2019

August 29, 2018

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ALCELI LTD (GB)

H05H9/04; H05H7/18

US20170238408A1

2017-08-17

J GLATZ ET AL: "BEAM ACCELERATION IN THE SINGLE-GAP RESONATOR SECTION OF THE UNILAC USING ALTERNATING PHASE FOCUSING", PROCEEDINGS OF EPAC 2002, PARIS, FRANCE, vol. 899, 7 August 2002 (2002-08-07), pages 897, XP055163729
W.BARTH ET AL: "Heavy Ion Linac as a High Current Proton Beam Injector", PHYSICAL REVIEW SPECIAL TOPICS - ACCELERATORS AND BEAMS, vol. 18, no. 5, 050102, 1 May 2015 (2015-05-01), pages 1 - 8, XP002788853

ELLIS, Michael (GB)

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