Synchronous plasma packet accelerator
First Claim
1. An accelerator for charged particles, comprising:
- a vessel adapted to enclose a stream of charged particles along a preselected open-ended track; and
drive means juxtaposed with said vessel for generating therein a magnetic field traveling in a pre-selected direction relative to each point of said track with the magnetic flux vector of said field transverse to said track at all points, thereby setting said particles in motion along said track with a velocity having a predetermined relation to the velocity of said traveling field.
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Abstract
Charged particles are entrained on a straight or curved path by a traveling magnetic field moving along that path with its magnetic flux vector transverse thereto. The general direction of entrainment is the same for particles of either polarity. The initial relative velocity between the traveling field and the particle drives the latter into motions along a quasi-cycloidal trajectory in the direction of field travel at an average particle speed nearly equal to the field velocity. Streams of charged particles may be accelerated into streams separated from any material objects such as vessel walls, magnetic structures, electrodes, etc. This confinement is achieved predominantly by the balanced interaction of the forces exerted on the particles by the traveling magnetic field and their inertial forces. Auxiliary confining fields may be applied for redirecting to the main stream any particles scattered by secondary effects. The traveling field may be generated by a group of electromagnets, with or without cores, spaced along the path and excited in staggered phase relationship; by an angular offsetting of the polar axes of adjoining electromagnets, the quasi-cycloidal trajectories may be twisted into spacial curves designed to keep the particle stream within preselected boundaries without the need for separate magnetic focussing fields. Periodic reversals of the travel direction of the magnetic field result in reciprocation of the particle streams for inducing collisions between oppositely moving particle streams in adjoining sections.
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Citations
26 Claims
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1. An accelerator for charged particles, comprising:
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a vessel adapted to enclose a stream of charged particles along a preselected open-ended track; and drive means juxtaposed with said vessel for generating therein a magnetic field traveling in a pre-selected direction relative to each point of said track with the magnetic flux vector of said field transverse to said track at all points, thereby setting said particles in motion along said track with a velocity having a predetermined relation to the velocity of said traveling field. - View Dependent Claims (22, 23)
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2. An accelerator for charged particles, comprising:
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a vessel adapted to enclose a stream of charged particles along a pre-selected open-ended track; and drive means juxtaposed with said vessel for generating therein a magnetic field traveling in a preselected direction relative to each point of said track with the magnetic flux vector of said field transverse to said track at all points, thereby setting said particles in motion along said track with a velocity having a predetermined relation to the velocity of said traveling field, further comprising means for producing charged particles and introducing same at the starting point of said track.
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3. An accelerator for charged particles, comprising:
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a vessel adapted to enclose a stream of charged particles along a preselected open-ended track; and drive means juxtaposed with said vessel for generating therein a magnetic field traveling in a preselected direction relative to each point of said track with the magnetic flux vector of said field transverse to said track at all points, thereby setting said particles in motion along said track with a velocity having a predetermined relation to the velocity of said traveling field, wherein said drive means comprises a set of electromagnets spaced along said track and a supply of alternating current connected to said electromagnets for exciting same in staggered phase relationship, - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An accelerator for charged particles, comprising:
a vessel adapted to enclose a stream of charged particles along a preselected open-ended track, and drive means juxtaposed with said vessel for generating therein a magnetic field travelling in a preselected direction relative to each point of said track with the magnetic flux vector of said field transverse to said track at all points, said drive means comprising a set of electromagnets spaced along said track, and a supply of alternating current connected to said electromagnets for exciting same in staggered phase relationship, further comprising means for producing charged particles and introducing same at the starting point of said track. - View Dependent Claims (18, 19, 24, 25, 26)
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20. An accelerator for charged particles, comprising:
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a vessel adapted to enclose a stream of charged particles along a preselected open-ended track, drive means juxtaposed with said vessel for generating therein a magnetic field traveling in a preselected direction relative to each point of said track with the magnetic flux vector of said field transverse to said track at all points, said drive means comprising a set of electromagnets spaced along said track, and a supply of alternating current connected to said electromagnets for exciting same in staggered phase relationship, further comprising means for producing charged particles and introducing same at the starting point of said track, and control means for pulsing said charged particle source in a preselected phase relationship with the travel of the magnetic field, wherein said electromagnets are provided with pole pieces having edges adjoining each other generally parallel to said track in the vicinity of said starting point and progressively approach perpendicularity to said centerline with increasing distance from said starting point. - View Dependent Claims (21)
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Specification