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2. Commissioning experience and beam physics measurements at the SwissFEL Injector Test Facility

Author

Schietinger, T., Pedrozzi, M., Aiba, M., Arsov, V., Bettoni, S., Beutner, B., Calvi, M., Craievich, P., Dehler, M., Frei, F., Ganter, R., Hauri, C. P., Ischebeck, R., Ivanisenko, Y., Janousch, M., Kaiser, M., Keil, B., Löhl, F., Orlandi, G. L., Loch, C. Ozkan, Peier, P., Prat, E., Raguin, J. -Y., Reiche, S., Schilcher, T., Wiegand, P., Zimoch, E., Anicic, D., Armstrong, D., Baldinger, M., Baldinger, R., Bertrand, A., Bitterli, K., Bopp, M., Brands, H., Braun, H. H., Brönnimann, M., Brunnenkant, I., Chevtsov, P., Chrin, J., Citterio, A., Divall, M. Csatari, Dach, M., Dax, A., Ditter, R., Divall, E., Falone, A., Fitze, H., Geiselhart, C., Guetg, M. W., Hämmerli, F., Hauff, A., Heiniger, M., Higgs, C., Hugentobler, W., Hunziker, S., Janser, G., Kalantari, B., Kalt, R., Kim, Y., Koprek, W., Korhonen, T., Krempaska, R., Laznovsky, M., Lehner, S., Pimpec, F. Le, Lippuner, T., Lutz, H., Mair, S., Marcellini, F., Marinkovic, G., Menzel, R., Milas, N., Pal, T., Pollet, P., Portmann, W., Rezaeizadeh, A., Ritt, S., Rohrer, M., Schär, M., Schebacher, L., Scherrer, St., Schmidt, V. Schlott T., Schulz, L., Smit, B., Stadler, M., Steffen, B., Stingelin, L., Sturzenegger, W., Treyer, D. M., Trisorio, A., Tron, W., Vicario, C., Zennaro, R., and Zimoch, D.

Subjects
Physics - Accelerator Physics
Abstract

The SwissFEL Injector Test Facility operated at the Paul Scherrer Institute between 2010 and 2014, serving as a pilot plant and testbed for the development and realization of SwissFEL, the X-ray Free-Electron Laser facility under construction at the same institute. The test facility consisted of a laser-driven rf electron gun followed by an S-band booster linac, a magnetic bunch compression chicane and a diagnostic section including a transverse deflecting rf cavity. It delivered electron bunches of up to 200 pC charge and up to 250 MeV beam energy at a repetition rate of 10 Hz. The measurements performed at the test facility not only demonstrated the beam parameters required to drive the first stage of an FEL facility, but also led to significant advances in instrumentation technologies, beam characterization methods and the generation, transport and compression of ultra-low-emittance beams. We give a comprehensive overview of the commissioning experience of the principal subsystems and the beam physics measurements performed during the operation of the test facility, including the results of the test of an in-vacuum undulator prototype generating radiation in the vacuum ultraviolet and optical range., Comment: 60 pages, 70 figures; final version as published, except with table of contents and Fig. 68 in full resolution

Published
2016
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3. Proof-of-principle e+ source for future colliders

Author

Vallis, N., primary, Craievich, P., additional, Schär, M., additional, Zennaro, R., additional, Auchmann, B., additional, Braun, H. H., additional, Besana, M. I., additional, Duda, M., additional, Fortunati, R., additional, Garcia-Rodrigues, H., additional, Hauenstein, D., additional, Ischebeck, R., additional, Ismaili, E., additional, Juranić, P., additional, Kosse, J., additional, Magazinik, A., additional, Marcellini, F., additional, Michlmayr, T., additional, Müller, S., additional, Pedrozzi, M., additional, Rotundo, R., additional, Orlandi, G. L., additional, Seidel, M., additional, Strohmaier, N., additional, and Zykova, M., additional

Published
2024
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10. Shell closings and geometric structure effects : a systematic approach to the interpretation of abundance distributions observed in photoionisation mass spectra for alkali cluster beams

Author

Kappes, Manfred, Radi, P., Schär, M., Yeretzian, Chahan, Schuhmacher, E., Kappes, Manfred, Radi, P., Schär, M., Yeretzian, Chahan, and Schuhmacher, E.

Abstract

Recent mass spectrometric studies of continuous cluster beams resulting from supersonic expansions of alkali metal vapor have led to the postulation of islands of enhanced thermodynamic stability among the clusters produced. We discuss the various assumptions being made in converting ion abundances measured in these mass spectra into information about neutral stabilities. In this connection a number of experiments are described which allow insight into unimolecular dissociation of alkali cluster ions and into neutral cluster growth.

Published
2018

18. Commissioning experience and beam physics measurements at the SwissFEL Injector Test Facility

Author

Schietinger, T., primary, Pedrozzi, M., additional, Aiba, M., additional, Arsov, V., additional, Bettoni, S., additional, Beutner, B., additional, Calvi, M., additional, Craievich, P., additional, Dehler, M., additional, Frei, F., additional, Ganter, R., additional, Hauri, C. P., additional, Ischebeck, R., additional, Ivanisenko, Y., additional, Janousch, M., additional, Kaiser, M., additional, Keil, B., additional, Löhl, F., additional, Orlandi, G. L., additional, Ozkan Loch, C., additional, Peier, P., additional, Prat, E., additional, Raguin, J.-Y., additional, Reiche, S., additional, Schilcher, T., additional, Wiegand, P., additional, Zimoch, E., additional, Anicic, D., additional, Armstrong, D., additional, Baldinger, M., additional, Baldinger, R., additional, Bertrand, A., additional, Bitterli, K., additional, Bopp, M., additional, Brands, H., additional, Braun, H. H., additional, Brönnimann, M., additional, Brunnenkant, I., additional, Chevtsov, P., additional, Chrin, J., additional, Citterio, A., additional, Csatari Divall, M., additional, Dach, M., additional, Dax, A., additional, Ditter, R., additional, Divall, E., additional, Falone, A., additional, Fitze, H., additional, Geiselhart, C., additional, Guetg, M. W., additional, Hämmerli, F., additional, Hauff, A., additional, Heiniger, M., additional, Higgs, C., additional, Hugentobler, W., additional, Hunziker, S., additional, Janser, G., additional, Kalantari, B., additional, Kalt, R., additional, Kim, Y., additional, Koprek, W., additional, Korhonen, T., additional, Krempaska, R., additional, Laznovsky, M., additional, Lehner, S., additional, Le Pimpec, F., additional, Lippuner, T., additional, Lutz, H., additional, Mair, S., additional, Marcellini, F., additional, Marinkovic, G., additional, Menzel, R., additional, Milas, N., additional, Pal, T., additional, Pollet, P., additional, Portmann, W., additional, Rezaeizadeh, A., additional, Ritt, S., additional, Rohrer, M., additional, Schär, M., additional, Schebacher, L., additional, Scherrer, St., additional, Schlott, V., additional, Schmidt, T., additional, Schulz, L., additional, Smit, B., additional, Stadler, M., additional, Steffen, B., additional, Stingelin, L., additional, Sturzenegger, W., additional, Treyer, D. M., additional, Trisorio, A., additional, Tron, W., additional, Vicario, C., additional, Zennaro, R., additional, and Zimoch, D., additional

Published
2016
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26. Wissenschaftliche Arbeitstagung 1989 der Gesellschaft für Sozialund Präventivmedizin: Zusammenfassungen der wissenschaftlichen Vorträge

Author

Brenner, E., Batou, M., Rougemont, A., Vouilloz, M., Bourquin, M., Wydler, H., Hornung, R., Tschopp, A., Gutzwiller, F., Vontobel, J., Languin, N., von Allmen, M., Bastard, B., Cardia-Vonèche, L., Rieder, H. L., Billo, N., Bachmann, G., Steffen, R., Michaud, P. -A., Leuenberger, Ph., Bollag, U., Bernasconi, E., Spring, St., Huynh, C. K., Vu Duc, T., Guillemin, M., Monn, Ch., Hangartner, M., Wanner, H. U., Ramaciotti, D., Golaz, A., Bousquet, A., Hsieh, V., Amoruso-Marchat, B., Rylander, R., Polla, B. S., Gassner, M., Suter, E., Marti, B., Wanner, H. -U., Guillain, H., Haldemann, Ch., Noack, H., Domenighetti, G., Casabianca, A., Luraschi, P., Villaret, M., Jeangros, C., Hausser, D., Martin, J., Bösch, J., Delorme, Ph., Klinke, S., Paccaud, F., Pescia, G., Nguyen The, H., Marguerat, Ph., Lobet, M., Raymond, L., Sommer, Ch., Segmüller, H., Segmüller, G., Abelin, Th., Gass, R., Schär, M., Jeanneret, O., Guillas, M., Von Allmen, M., Usel, M., Mohler, B., Ackermann-Liebrich, U., Bodenmann, A., Balli-Antunes, M., Pfluger, D., Minder, Ch. E., Wietlisbach, V., Angst, E., Bisig, B., Schnyder, U. W., Beer, V., Schick, M. T., Egger, M., Stutz, J., Teuscher, A., Matthäus, D., Meystre-Agustoni, G., Glauser, M., Van Melle, G., Chave, J. -Ph., Francioli, P., Milliet, N., Grimm, R., Vader, J. -P., Reimann, B. W., and Bardeleben, H.

Published
1989
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31. Neue Bücher

Author

Branger, F., H. U. W., Jeanneret, O., Angst, J., Hedri, A., Wespi, H., Müller, Th. Th., Ritzel, G., Belart, W., Bloch, Ch., and Schär, M.

Published
1971
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39. Neue Bücher

Author

Driscoll, P., Wanner, H. U., Gilgen, A., Fischer, Hardi, Delachaux, A., Berthoud, H. R., Wanner, H. U., Jeanneret, O., Belart, W., Biener, K., Angst, J., Gilgen, A., and Schär, M.

Published
1971
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41. Neue Bücher

Author

Spengler, C. H., Schaad, R., Reber, H., Schär, M., Fischer-Homberger, Esther, and G. W.

Published
1971
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45. Neue Bücher

Author

wf, Muggler-Bickel, J., Belart, W., Schär, M., Wanner, H. U., Angst, J., K.B., and Schneider, P. B.

Published
1970
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47. [Influence of chronic, structural changes of the muscle-tendon unit on the indication and technique of rotator cuff reconstruction]

Author

Schär, A, Schär, M O, and Zumstein, M A

Subjects
musculoskeletal system
Abstract

Rotator cuff lesions are common and the incidence increases with age. After tendon rupture of the rotator cuff, the muscle-tendon unit retracts, which is accompanied by muscle fatty infiltration, atrophy, and interstitial fibrosis of the musculature, thus, fundamentally changing the muscle architecture. These changes are important prognostic factors for the operative rotator cuff reconstruction outcome. Selection of the correct time point for reconstruction as well as the optimal mechanical fixation technique are decisive for successful attachment at the tendon-to-bone insertion site. Thus, knowledge of the pathophysiological processes plays an important role. The goal of this article is to establish a relationship between currently existing evidence with respect to the preoperatively existing changes of the muscle-tendon unit and the choice of the time for the operation and the operative technique.

Published
2012

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