Task 12.1

Coordination and Management
(Coordinated By: P McIntosh STFC Daresbury Laboratory)

This RF work package focuses in principal areas of RF technology that will enhance understanding and capabilities in both normal conducting and superconducting arenas. Opportunities will be explored that have the potential to revolutionise accelerator technology development in areas of new and improved SRF thin film materials, ultra high gradient accelerating and crabbing structures, advanced beam diagnostics and SRF photocathodes.


Task 12.2

SRF Thin Films
(Coordinated By: Claire Antoine CEA Saclay)

The exploration of novel nano and multi-layer thin film technologies, employing advanced HIPIMS deposition techniques is anticipated to break new ground in improving the purity and residual resistance of superconducting thin films, with a significant potential for increasing performance beyond the current state of the art as demonstrated by conventional bulk Nb structures.


Task 12.3

High Gradient Normal Conducting Cavities
(Coordinated By: Walter Wuensch CERN)

Further advancement of the high gradient performance of normal conducting structures to reliably reach >100 MV/m acceleration, whilst also providing substantial wakefield suppression to enable effective operation for the next generation of linear colliders, is another process whereby existing global collaborations already working in this field will be bolstered significantly in terms of focussing European efforts to resolve the fundamental challenges which presently limit performance of these high frequency structures.


Task 12.4

SRF HOM Diagnostics
(Coordinated By: Roger Jones Manchester University)

The use of accelerating cavity HOMs to precisely determine beam position measurements is a technique which has been developed and demonstrated on FLASH, which will now be extended to higher performance and increased flexibility for XFEL.


Task 12.5

RF Photocathodes
(Coordinated By: Robert Niebutyc NCBJ)

Low beam emittance performance from modern RF injectors is a critical challenge when faced with the problem of being able to appropriately confine the electron beam, without impacting on the RF structure performance. Ultimately the achieved beam performance of such systems is limited principally by the efficiency of the electron emission process at the photocathode and so new types of RF photocathodes are to be developed and qualified which are hoped to enable much higher performance when integrated into both NC and SC RF electron beam injectors.


Each of the key accelerator research areas identified will develop and enhance associated test and accelerator infrastructures at the partnering institutes, thereby complimenting the TIARA infrastructure coordination process which will culminate in parallel to this EUCARD-2 programme.


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EuCARD-2 is co-funded by the partners and the European Commission under Capacities 7th Framework Programme, Grant Agreement 312453.