Radio frequency cavities
First Claim
1. A radio-frequency (RF) cavity apparatus for accelerating charged particles, comprising:
- first and second cavity arms, the first and second cavity arms having respective first and second axes of rotational symmetry and each cavity arm comprising at least one cell, wherein the first and second cavity arms are connected by a resonance coupler, wherein the cell(s) of the first cavity arm have an axial dimensional parameter that is equal to a corresponding axial dimensional parameter of the cell(s) of the second cavity arm, and wherein the cell(s) of the first cavity arm have at least one non-axial dimensional parameter that differs from corresponding non-axial dimensional parameter(s) of the cell(s) of the second cavity arm.
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Abstract
A radio-frequency (RF) cavity apparatus for accelerating charged particles includes first and second cavity arms. The first and second cavity arms have respective first and second axes of rotational symmetry and each cavity arm includes at least one cell. The first and second cavity arms are connected by a resonance coupler. The cell(s) of the first cavity arm have an axial dimensional parameter that is equal to a corresponding axial dimensional parameter of the cell(s) of the second cavity arm, and the cell(s) of the first cavity arm have at least one non-axial dimensional parameter that differs from corresponding non-axial dimensional parameter(s) of the cell(s) of the second cavity arm.
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Citations
20 Claims
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1. A radio-frequency (RF) cavity apparatus for accelerating charged particles, comprising:
first and second cavity arms, the first and second cavity arms having respective first and second axes of rotational symmetry and each cavity arm comprising at least one cell, wherein the first and second cavity arms are connected by a resonance coupler, wherein the cell(s) of the first cavity arm have an axial dimensional parameter that is equal to a corresponding axial dimensional parameter of the cell(s) of the second cavity arm, and wherein the cell(s) of the first cavity arm have at least one non-axial dimensional parameter that differs from corresponding non-axial dimensional parameter(s) of the cell(s) of the second cavity arm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of recovering energy from a charged particle beam comprising:
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generating a charged particle beam; passing the charged particle beam through a first cavity arm of a radio-frequency (RF) cavity apparatus, the first cavity arm being arranged to apply an electric and/or magnetic field to accelerate the charged particle beam; passing the charged particle beam through a second cavity arm of the radio-frequency (RF) cavity apparatus, the second cavity arm being arranged to apply an electric and/or magnetic field to decelerate the charged particle beam after it has interacted; wherein the first and second cavity arms are connected by a resonance coupler, wherein the cell(s) of the first cavity arm have an axial dimensional parameter that is equal to a corresponding axial dimensional parameter of the cell(s) of the second cavity arm, and wherein the cell(s) of the first cavity arm have at least one non-axial dimensional parameter that differs from corresponding non-axial dimensional parameter(s) of the cell(s) of the second cavity arm. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification