SRF2011 - List of Authors (Jacke, S.)

Paper	Title	Page
MOPO030	The sc cw -LINAC Demonstrator - First section of a sc cw -LINAC	144
	V. Gettmann, M. Amberg, S. Jacke HIM, Mainz, Germany K. Aulenbacher IKP, Mainz, Germany W.A. Barth, S. Mickat GSI, Darmstadt, Germany F.D. Dziuba, H. Podlech, U. Ratzinger IAP, Frankfurt am Main, Germany
	The realisation of the first section of a new superconducting (sc) continuous wave (cw) LINAC is planned in 2013. The project is called “cw LINAC Demonstrator” and is financed by the Helmholtz Institute Mainz (HIM). The aim is a “full performance test” at GSI-HLI of a new 217 MHz sc CH-Cavity which is designed by the Institute of Applied Physics (IAP) of the University Frankfurt. According to an engineering study for the cryostat, a frame has been designed to support the cavity embedded by two sc solenoids. A nuclotron -suspension analog to the SIS-100 Magnets for FAIR is used, which nearly prevents the displacement of the components on the frame while cooling down. Another challenge is to reduce the magnetic field of the solenoid from 9.3 T to 50 mT at the cavity within some centimeters by moveable compensation -coils. This and other technical solutions in the cryogenic environment of the Demonstrator are presented.

THIOA05	The sc cw-LINAC Demonstrator - SRF-Technology finds the way into GSI	646
	S. Mickat, W.A. Barth, L.A. Dahl, M. Kaiser, W. Vinzenz GSI, Darmstadt, Germany M. Amberg, V. Gettmann, S. Jacke, S. Mickat HIM, Mainz, Germany K. Aulenbacher IKP, Mainz, Germany D. Bänsch, F.D. Dziuba, D. Mäder, H. Podlech, U. Ratzinger IAP, Frankfurt am Main, Germany
	A new superconducting (sc) continous wave (cw) LINAC at GSI is desired by a broad community of future users. Especially the Super Heavy Elements (SHE) program at GSI and HIM benefits highly from such a dedicated machine. A conceptual layout of an sc cw-LINAC was worked out at the Institute for Applied Physics (IAP) at Frankfurt University. Here the key component, an sc Crossbar-H (CH) cavity, was developed recently. The multi-gap cavity is operated at 217 MHz and provides gradients of 5.1 MV/m at a total length of 0.69 m. The first section of the proposed cw-LINAC comprising a sc CH-cavity embedded by two sc solenoids is financed by HIM as a Demonstrator. One important milestone of the project is a full performance test with beam of the Demonstrator in 2013/14 at the GSI High Charge Injector (HLI). With the demonstrator the srf-technology finds the way to GSI. The tests would be the first of an sc multi-gap structure with heavy ions being an important milestone towards the proposed cw-LINAC.

Paper

Title

Page

The sc cw -LINAC Demonstrator - First section of a sc cw -LINAC

144

V. Gettmann, M. Amberg, S. Jacke
HIM, Mainz, Germany
K. Aulenbacher
IKP, Mainz, Germany
W.A. Barth, S. Mickat
GSI, Darmstadt, Germany
F.D. Dziuba, H. Podlech, U. Ratzinger
IAP, Frankfurt am Main, Germany

The realisation of the first section of a new superconducting (sc) continuous wave (cw) LINAC is planned in 2013. The project is called “cw LINAC Demonstrator” and is financed by the Helmholtz Institute Mainz (HIM). The aim is a “full performance test” at GSI-HLI of a new 217 MHz sc CH-Cavity which is designed by the Institute of Applied Physics (IAP) of the University Frankfurt. According to an engineering study for the cryostat, a frame has been designed to support the cavity embedded by two sc solenoids. A nuclotron -suspension analog to the SIS-100 Magnets for FAIR is used, which nearly prevents the displacement of the components on the frame while cooling down. Another challenge is to reduce the magnetic field of the solenoid from 9.3 T to 50 mT at the cavity within some centimeters by moveable compensation -coils. This and other technical solutions in the cryogenic environment of the Demonstrator are presented.

THIOA05

The sc cw-LINAC Demonstrator - SRF-Technology finds the way into GSI

646

S. Mickat, W.A. Barth, L.A. Dahl, M. Kaiser, W. Vinzenz
GSI, Darmstadt, Germany
M. Amberg, V. Gettmann, S. Jacke, S. Mickat
HIM, Mainz, Germany
K. Aulenbacher
IKP, Mainz, Germany
D. Bänsch, F.D. Dziuba, D. Mäder, H. Podlech, U. Ratzinger
IAP, Frankfurt am Main, Germany

A new superconducting (sc) continous wave (cw) LINAC at GSI is desired by a broad community of future users. Especially the Super Heavy Elements (SHE) program at GSI and HIM benefits highly from such a dedicated machine. A conceptual layout of an sc cw-LINAC was worked out at the Institute for Applied Physics (IAP) at Frankfurt University. Here the key component, an sc Crossbar-H (CH) cavity, was developed recently. The multi-gap cavity is operated at 217 MHz and provides gradients of 5.1 MV/m at a total length of 0.69 m. The first section of the proposed cw-LINAC comprising a sc CH-cavity embedded by two sc solenoids is financed by HIM as a Demonstrator. One important milestone of the project is a full performance test with beam of the Demonstrator in 2013/14 at the GSI High Charge Injector (HLI). With the demonstrator the srf-technology finds the way to GSI. The tests would be the first of an sc multi-gap structure with heavy ions being an important milestone towards the proposed cw-LINAC.