Coupled-cavity drift-tube linac

Details Coupled-cavity drift-tube linac Coupled-cavity drift-tube linac

1994-07-15

1996-11-26

Patel, Nimeshkumar D.

Electric lamp and discharge devices: systems

High energy particle accelerator tube

Magnetic field acceleration means

315500, H05H 900, H05H 700

Patent

active

055789099

ABSTRACT:
A coupled-cavity drift-tube linac (CCDTL) combines features of the Alvarez drift-tube linac (DTL) and the .pi.-mode coupled-cavity linac (CCL). In one embodiment, each accelerating cavity is a two-cell, 0-mode DTL. The center-to-center distance between accelerating gaps is .beta..lambda., where .lambda. is the free-space wavelength of the resonant mode. Adjacent accelerating cavities have oppositely directed electric fields, alternating in phase by 180 degrees. The chain of cavities operates in a .pi./2 structure mode so the coupling cavities are nominally unexcited. The CCDTL configuration provides an rf structure with high shunt impedance for intermediate velocity charged particles, i.e., particles with energies in the 20-200 MeV range.

REFERENCES:
patent: 5021741 (1991-06-01), Kornely, Jr. et al.
patent: 5179350 (1993-01-01), Bower et al.
A. V. Mishin, "Accelerator Structure for Low-Energy Electron Beam", IEEE PAC 93 Proceedings, pp. 971-973, 1993.

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