An 805 MHz disk and washer structure for the Fermilab Linac Upgrade

Conference · Mon Oct 03 04:00:00 EDT 1988

OSTI ID:6610515

Moretti, A; Young, D; Lee, G; Mills, F E; Zhou, P; Swenson, D A; Young, P E

The Linac Upgrade program, a portion of the Tevatron Upgrade, calls for increasing the energy of the existing 200 MeV, 201.25 MHz linac to 400 MeV in order to reduce beam emittance degradation in the Booster. This is to be accomplished by replacing the last four Alvarez linac tanks with more efficient, higher gradient 805 MHz linac structure. One of the linac structures currently under study in a collaboration between Fermilab and SAIC is the Disk-and-Washer accelerating structure with bi-periodic tee supports, four per washer pair. This structure has a stop-band for the TM/sub 11/ mode (a problem in other designs) centered near the ..pi.. TM/sub 02/ accelerating mode frequency. A novel heat shrinking technique is used in the construction of a ten-cell one-meter long vacuum prototype structure. Description of the structure, testing techniques and test results are presented. 9 refs., 4 figs., 1 tab.

• Research Organization: Fermi National Accelerator Lab., Batavia, IL (USA)
• DOE Contract Number: AC02-76CH03000
• OSTI ID: 6610515
• Report Number(s): FNAL/C-88/145; CONF-881049-44; ON: DE89003125
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
430100* -- Particle Accelerators-- Design
Development
& Operation
ACCELERATORS
BEAM EMITTANCE
CYCLIC ACCELERATORS
FERMILAB TEVATRON
MODIFICATIONS
RF SYSTEMS
SYNCHROTRONS
TESTING