Status of Cavities at DESY

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Presentation transcript:

Status of Cavities at DESY 06.06.2004 A.Matheisen Overview on cavities Status of available cavities Planed actions in 2005 A.Matheisen MKS3 Module meeting 06.12.04

Resonators installed in modules Name module Tanks typ D1 1star 2 / He line on top D2 A17 A18 S28 3 star S29 S30 S31 S32 S34 4 3/ He line on 45o D36 1 star D37 2 star D40 3star D41 D42 C44 C46 C47 C48 Z50 Name module Tanks typ z51 2 star 2 / He line on top z52 4 3/ He line on 45o Z53 Z54 Ac 55 C 56 AC 57 C 58 3 star Ac 59 Ac 60 5 Ac 61 Ac 62 Ac 63 Ac64 Ac 65 Ac 66 Ac 69 Ac 72 Ac 77 Ac 79 A.Matheisen MKS3 Module meeting 06.12.04

Cavities out of service D3 Tuner test equipment Nb Lips D4 Tuner test Nb lips S7 Exhibit for accelerator technology S8 S9 Test equipment for tuner development S10 Test cavity for welding experiments Nb Ti flanges S11 Exhibit on cryomodule model NbLips S12 D38 Cold leak in cell Nb Ti C 43 Repair at Cerca Leak in weld Ac 67 Cold leak not found no tank A.Matheisen MKS3 Module meeting 06.12.04

Cavity for high gradient module no 6 CAVIYT Number Location Situation Next AC 70 RR/ Chechia ready for module 6 AC 71 qualified for module 6 Tank welding after retest with new antenna AC 73 AC 74 prep not qualified New EP AC 75 Prep AC 76 AC 78 RR not qualified AC 80 Hall 3 Needs decision AC 81 A.Matheisen MKS3 Module meeting 06.12.04

Cavities for module 7 Cavity Status Next following Last Eacc vertical A15 New flange New BCP Test 20,8 C21 Flanges removed Flange welding New BCP + Test 28,8 C22 19,4 C23 Under work Flange removal 24,0 C24 19,7 C25 27,5 C26 18,2 C27 26,7 Experience with 1st series of cavities for module 1star showed that 2 cavities lost gradient during this operation Spare for module 7 A16 * On hold spare for module 7 Wait for new treatment New BCP+Test 12,7 (31,3 before) D39 21 A.Matheisen MKS3 Module meeting 06.12.04

Spare for module with tank type 3 needed RR/ Cechia Tank type 3 Nb Ti Under retest Ac 68 HOM damping to be tested (deformation on end cell) Nb TI Wait for test C45 Cavity ok test at Saclay Cryholab Tank type3 under test A.Matheisen MKS3 Module meeting 06.12.04

Overview on cavities that can serve as test vehicle Name equipment situation Comments Gradient on vertical test P-1 Nb ti flange Test cavity since 10 Years Only 1.5 mm wall left !! 16,4 P-2 Nb Lip flange stored Need new flanges 15,5 A14 Test cavity for Ep parameter finding Low gradient weld problem Nb TI / Nb Lips 6,3 S35 Leak on reference ring No tank Needs repair Nb Ti 23 ( 28,6 before) Z49 Wait for treatment Nb TI Saclay HOM 17,6 Z 82 Limited by bad weld 1400 C post purification 27,8 Z83 25,0 Z84 23 A.Matheisen MKS3 Module meeting 06.12.04