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000320871 0881_ $$aphysics/0003011; DESY-00-031
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000320871 1001_ $$aAune, B.$$b0
000320871 245__ $$aThe superconducting TESLA cavities
000320871 260__ $$aCollege Park, MD$$bAmerican Physical Society$$c2000
000320871 264_1 $$2Crossref$$3online$$bAmerican Physical Society (APS)$$c2000-09-22
000320871 264_1 $$2Crossref$$3print$$bAmerican Physical Society (APS)$$c2000-09-01
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000320871 500__ $$aM-Bereich
000320871 520__ $$aThe conceptional design of the proposed linear electron-positron collider TESLA is based on 9-cell 1.3 GHz superconducting niobium cavities with an accelerating gradient of Eacc >= 25 MV/m at a quality factor Q0 > 5E+9. The design goal for the cavities of the TESLA Test Facility (TTF) linac was set to the more moderate value of Eacc >= 15 MV/m. In a first series of 27 industrially produced TTF cavities the average gradient at Q0 = 5E+9 was measured to be 20.1 +- 6.2 MV/m, excluding a few cavities suffering from serious fabrication or material defects. In the second production of 24 TTF cavities additional quality control measures were introduced, in particular an eddy-current scan to eliminate niobium sheets with foreign material inclusions and stringent prescriptions for carrying out the electron-beam welds. The average gradient of these cavities at Q0 = 5E+9 amounts to 25.0 +- 3.2 MV/m with the exception of one cavity suffering from a weld defect. Hence only a moderate improvement in production and preparation techniques will be needed to meet the ambitious TESLA goal with an adequate safety margin. In this paper we present a detailed description of the design, fabrication and preparation of the TESLA Test Facility cavities and their associated components and report on cavity performance in test cryostats and with electron beam in the TTF linac. The ongoing R&D towards higher gradients is briefly addressed.
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000320871 650_7 $$2INSPIRE$$aelectron positron: linear collider
000320871 650_7 $$2INSPIRE$$alinear collider: proposed
000320871 650_7 $$2INSPIRE$$aRF system: superconductivity
000320871 650_7 $$2INSPIRE$$aniobium
000320871 650_7 $$2INSPIRE$$aelectric field: upper limit
000320871 650_7 $$2INSPIRE$$afabrication
000320871 650_7 $$2INSPIRE$$aRF system: power supply
000320871 650_7 $$2INSPIRE$$amicrowaves: energy loss
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000320871 650_7 $$2INSPIRE$$abibliography
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000320871 7001_ $$0P:(DE-H253)PIP1002933$$aBandelmann, R.$$b1$$udesy
000320871 7001_ $$aBloess, D.$$b2
000320871 7001_ $$aBonin, B.$$b3
000320871 7001_ $$aBosotti, A.$$b4
000320871 7001_ $$aChampion, M.$$b5
000320871 7001_ $$aCrawford, C.$$b6
000320871 7001_ $$aDeppe, G.$$b7
000320871 7001_ $$aDwersteg, B.$$b8
000320871 7001_ $$aEdwards, D. A.$$b9
000320871 7001_ $$0P:(DE-H253)PIP1002796$$aEdwards, Helen$$b10$$udesy
000320871 7001_ $$aFerrario, M.$$b11
000320871 7001_ $$aFouaidy, M.$$b12
000320871 7001_ $$0P:(DE-HGF)0$$aGall, P-D.$$b13
000320871 7001_ $$0P:(DE-H253)PIP1003142$$aGamp, A.$$b14$$udesy
000320871 7001_ $$0P:(DE-HGF)0$$aGössel, A.$$b15
000320871 7001_ $$0P:(DE-HGF)0$$aGraber, J.$$b16
000320871 7001_ $$0P:(DE-HGF)0$$aHubert, D.$$b17
000320871 7001_ $$0P:(DE-H253)PIP1003256$$aHuening, Markus$$b18$$udesy
000320871 7001_ $$aJuillard, M.$$b19
000320871 7001_ $$aJunquera, T.$$b20
000320871 7001_ $$0P:(DE-HGF)0$$aKaiser, H.$$b21
000320871 7001_ $$0P:(DE-H253)PIP1002145$$aKreps, G.$$b22$$udesy
000320871 7001_ $$aKuchnir, M.$$b23
000320871 7001_ $$aLange, R.$$b24
000320871 7001_ $$aLeenen, M.$$b25
000320871 7001_ $$0P:(DE-HGF)0$$aLiepe, M.$$b26
000320871 7001_ $$0P:(DE-H253)PIP1000213$$aLilje, L.$$b27$$udesy
000320871 7001_ $$0P:(DE-H253)PIP1000250$$aMatheisen, A.$$b28
000320871 7001_ $$0P:(DE-HGF)0$$aMöller, W-D.$$b29
000320871 7001_ $$aMosnier, A.$$b30
000320871 7001_ $$aPadamsee, H.$$b31
000320871 7001_ $$aPagani, C.$$b32
000320871 7001_ $$0P:(DE-HGF)0$$aPekeler, M.$$b33
000320871 7001_ $$0P:(DE-HGF)0$$aPeters, H-B.$$b34
000320871 7001_ $$0P:(DE-H253)PIP1009736$$aPeters, O.$$b35$$udesy
000320871 7001_ $$0P:(DE-H253)PIP1003200$$aProch, D.$$b36
000320871 7001_ $$0P:(DE-H253)PIP1003070$$aRehlich, K.$$b37
000320871 7001_ $$0P:(DE-H253)PIP1001641$$aReschke, D.$$b38$$udesy
000320871 7001_ $$aSafa, H.$$b39
000320871 7001_ $$0P:(DE-HGF)0$$aSchilcher, T.$$b40
000320871 7001_ $$aSchmüser, P.$$b41
000320871 7001_ $$0P:(DE-H253)PIP1001523$$aSekutowicz, J.$$b42$$udesy
000320871 7001_ $$0P:(DE-H253)PIP1000216$$aSimrock, S.$$b43
000320871 7001_ $$0P:(DE-H253)PIP1003074$$aSinger, W.$$b44$$udesy
000320871 7001_ $$aTigner, M.$$b45
000320871 7001_ $$0P:(DE-H253)PIP1003051$$aTrines, D.$$b46$$udesy
000320871 7001_ $$0P:(DE-H253)PIP1001337$$aTwarowski, K.$$b47
000320871 7001_ $$0P:(DE-H253)PIP1001187$$aWeichert, G.$$b48$$udesy
000320871 7001_ $$0P:(DE-HGF)0$$aWeisend, J.$$b49
000320871 7001_ $$0P:(DE-H253)PIP1001106$$aWojtkiewicz, J.$$b50
000320871 7001_ $$0P:(DE-HGF)0$$aWolff, S.$$b51
000320871 7001_ $$0P:(DE-H253)PIP1003056$$aZapfe, K.$$b52$$udesy
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000320871 999C5 $$1W. D. Möller$$2Crossref$$oW. D. Möller Proceedings of the 9th Workshop on rf Superconductivity, Santa Fe, New Mexico, 1999$$tProceedings of the 9th Workshop on rf Superconductivity, Santa Fe, New Mexico, 1999
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000320871 999C5 $$1J. Graber$$2Crossref$$9-- missing cx lookup --$$a10.1016/0168-9002(94)91260-2$$p572 -$$tNucl. Instrum. Methods Phys. Res., Sect. A$$v350$$y1994
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000320871 999C5 $$1K. Zapfe-Düren$$2Crossref$$oK. Zapfe-Düren Proceedings of the 8th Workshop on rf Superconductivity, Abano Terme, Italy, 1997$$tProceedings of the 8th Workshop on rf Superconductivity, Abano Terme, Italy, 1997
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000320871 999C5 $$1L. Lilje$$2Crossref$$oL. Lilje Proceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999$$tProceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999
000320871 999C5 $$1P. Kneisel$$2Crossref$$oP. Kneisel Proceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999$$tProceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999
000320871 999C5 $$1P. Charrier$$2Crossref$$oP. Charrier Proceedings of the 1998 European Particle Accelerator Conference, Stockholm, Sweden$$tProceedings of the 1998 European Particle Accelerator Conference, Stockholm, Sweden
000320871 999C5 $$1J. Knobloch$$2Crossref$$oJ. Knobloch Proceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999$$tProceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999
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000320871 999C5 $$1T. Fujino$$2Crossref$$oT. Fujino Proceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999$$tProceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999
000320871 999C5 $$1V. Palmieri$$2Crossref$$oV. Palmieri Proceedings of the 8th Workshop on rf Superconductivity, Abano Terme, Italy, 1997$$tProceedings of the 8th Workshop on rf Superconductivity, Abano Terme, Italy, 1997
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000320871 999C5 $$1I. Gonin$$2Crossref$$oI. Gonin Proceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999$$tProceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999
000320871 999C5 $$1P. Bosland$$2Crossref$$9-- missing cx lookup --$$a10.1109/77.783441$$p896 -$$tIEEE Trans. Appl. Supercond$$v9$$y1999
000320871 999C5 $$1J. Sekutowicz$$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevSTAB.2.062001$$p062001 -$$tPhys. Rev. ST Accel. Beams$$v2$$y1999
000320871 999C5 $$1H. Chen$$2Crossref$$oH. Chen Proceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999$$tProceedings of the 9th Workshop on rf Superconductivity, Santa Fe, 1999