Synchrotron with superconducting coils and arrangement thereof

• US 4,904,949 A
• Filed: 08/28/1985
• Issued: 02/27/1990
• Est. Priority Date: 08/29/1984
• Status: Expired due to Term

• Current Assignee: Oxford Instruments Limited Osney MEAD Oxford OX2 ODX England
• Original Assignee: Oxford Instruments PLC
• Inventors: Wilson, Martin N.
• Primary Examiner(s): DeMeo, Palmer C.
• Application Number:
  US06/770,270
• Time in Patent Office: 1,644 Days
• Field of Search: 328/235, 328/237
• US Class Current: 315/503
• CPC Class Codes: H05H 13/00 Magnetic resonance accelerators; Cyclotrons strophotrons, turbine tubes H01J25/62
• CPC Class Codes: Y10S 505/879 Magnet or electromagnet

Abstract

A synchrotron having at least two sets of super-conducting coils, each arranged for deflecting charged particles in a curved path. The sets of superconducting coils are spaced to provide at least one straight portion of the path for the particles. A transformer device is located along the straight portion of the path for accelerating the particles to operating energy. At least one coil has its main go and return arms curved to lie substantially parallel to the required curved path and at least one coil has only its main go arm curved to lie substantially parallel to the path.

Claims

1. A synchrotron having at least two sets of superconducting coils, each arranged for deflecting charged particles in a curved path, said sets being spaced to provide at least one straight portion of the path for said particles, a transformer device located along said portion of the path for accelerating said particles to operating energy, characterized in that at least one coil (30, 31, 32, and 33) has its main go and return arms curved to lie substantially parallel to the required curved path (11, 12) and at least one coil (34, 35) has only its main go arm curved to lie substantially parallel to said path (11, 12).

2. A synchrotron as claimed in claim 1, characterized in that the coil sets (16, 17) are spaced to provide at least two straight portions (13, 14) of the path and that a radio frequency accelerating cavity (26) is positioned along one of said two straight portions (13, 14).

3. A synchrotron as claimed in claim 1, characterized in that the coil sets (16, 17) are spaced apart to provide a race track shaped path (10) for the charged particles so that each set of superconducting coils (30-35) provides a curved path which turns the particles substantially through 180 degrees.

4. A synchrotron as claimed in claim 2, characterized in that the coil sets (16, 17) are spaced apart to provide a race track shaped path (10) for the charged particles so that each set of superconducting coils (30-35) provides a curved path which turns the particles substantially through 180 degrees.

5. A synchrotron as claimed in claim 1, characterized in that the coils are symmetrically arranged in pairs (30,33 and 31,32 and 34,35) about the path (10).

6. A synchrotron as claimed in claim 2, characterized in that the coils are symmetrically arranged in pairs (30,33 and 31,32 and 34,35) about the path (10).

7. A synchrotron as claimed in claim 3, characterized in that the coils are symmetrically arranged in pairs (30,33 and 31,32 and 34,35) about the path (10).

8. A synchrotron as claimed in claim 4, characterized in that the coils are symmetrically arranged in pairs (30,33 and 31,32 and 34,35) about the path (10).

9. A synchrotron as claimed in claim 1, characterized in that an electron injector (22) is arranged for injection of charged particles into said path (10).

10. A synchrotron as claimed in claim 2, characterized in that an electron injector (22) is arranged for injection of charged particles into said path (10).

11. A synchrotron as claimed in claim 3, characterized in that an electron injector (22) is arranged for injection of charged particles into said path (10).

12. A synchrotron as claimed in claim 4, characterized in that an electron injector (22) is arranged for injection of charged particles into said path (10).

13. A synchrotron as claimed in claim 5, characterized in that an electron injector (22) is arranged for injection of charged particles into said path (10).

14. A synchrotron as claimed in claim 6, characterized in that an electron injector (22) is arranged for injection of charged particles into said path (10).

15. A synchrotron as claimed in claim 7, characterized in that an electron injector (22) is arranged for injection of charged particles into said path (10).

16. A synchrotron as claimed in claim 8, characterized in that an electron injector (22) is arranged for injection of charged particles into said path (10).