CLUSTER: concept study and design of a low-medium β accelerating structure

Amaldi, U.; Citterio, A.; Crescenti, M; Giuliacci, A.; Tronci, Cesare; Zennaro, R.

doi:10.1016/j.nuclphysbps.2007.08.069

Cited by 1 publication

(1 citation statement)

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“…The crossbar geometry could allow the design of multicell structures even up to the GHz range [31]. At a frequency of 325 MHz, calculations have shown very high values of the effective shunt impedance in comparison with a traditional Alvarez DTL in the low to medium velocity profile.…”

Section: A Overviewmentioning

confidence: 99%

Development of room temperature crossbar-H-mode cavities for proton and ion acceleration in the low to medium beta range

Clemente

Ratzinger

Podlech

et al. 2011

Phys. Rev. ST Accel. Beams

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The crossbar H-mode (CH) cavity is an accelerating structure operated in the H 21ð0Þ mode. The robustness of the crossbar geometry allows one to realize room temperature as well as superconducting linac cavities. The shunt impedance characteristics of this structure are attractive to develop proton and heavy ion linacs in the low and medium beta range. A first room temperature eight-cell prototype has proven the feasibility of the crossbar design in terms of mechanical construction, copper plating, and cooling. An innovative rf coupling concept has been developed where two CH cavities are connected by a two gap E 010 -mode resonator which, at the same time, provides transverse focusing by a quadrupole triplet. The concept has been applied in the design of the new FAIR proton linac and a scaled model of the second cavity of this injector has been built and tested too. The full scale prototype is now under construction at the University of Frankfurt. In this paper, the room temperature CH cavity development as well as the general layout of the FAIR proton injector (70 MeV, 325 MHz, 70 mA) is presented and discussed.

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Section: A Overviewmentioning

confidence: 99%