Paper |
Title |
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TUPVA063 |
RF Tuning Tests on the Coupled FRANZ RFQ-IH-DTL |
2224 |
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- A. Almomani, U. Ratzinger
IAP, Frankfurt am Main, Germany
- M. Heilmann
GSI, Darmstadt, Germany
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The neutron beam at the FRANZ facility will be produced by the 7Li(p, n)7Be reaction using an intense 2 MeV proton beam. These protons will be accelerated from 120 keV to 2 MeV by a coupled 4-Rod-type RFQ and a 8 gap interdigital H-type structure (IH-DTL). This coupled RFQ-IH-cavity will be operated at 175 MHz in cw mode and it has a total length of about 2.3 m. The two structures (RFQ, IH-DTL) are internally coupled inductively, and consequently only one RF-amplifier providing a total power up to 250 kW is needed for operation. The IH-DTL is RF tuned together with an Al-RFQ model, before final IH-DTL installation in the FRANZ cave, while the original RFQ was already installed in the beam line. After RF power and beam tests the coupled structure will be installed and continued with RF and beam. This paper will be focused on the RF tuning process and the main results will be presented.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA063
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TUPVA064 |
Updated Cavities Design for the FAIR p-Linac |
2227 |
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- A. Almomani, M. Busch, F.D. Dziuba, U. Ratzinger, R. Tiede
IAP, Frankfurt am Main, Germany
- F.D. Dziuba, C.M. Kleffner
GSI, Darmstadt, Germany
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The research program of antiproton beams for the FAIR facility requires a dedicated 68 MeV, 70 mA proton injector. This injector will consist of an RFQ followed by six room temperature Crossbar H-type CH-cavities operated at 325 MHz. The beam dynamics had been revised by IAP Frankfurt in collaboration with GSI-FAIR in Darmstadt to further optimize the design. This step was followed by cavity RF design. The detailed mechanical cavity design will begin in 2017, while the quadrupole lenses are under production already. In this paper, besides an overview the RF design of the coupled cavities with integrated focusing triplets will be a main focus.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA064
|
|
Export • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
※ EndNote (xml)
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