Participants: E. Adli, F. Antoniou, S. Bettoni, R. Corsini, B. Dalena, S. Doebert, A. Dubrovskiy, W. Farabolini, A. Gerbershagen, A. Grudiev, E. Jensen, E. Koukovini, A. Latina, R. Lillestol, T. Persson, L. Rinolfi, R. Ruber, D. Schulte, P. Skowronski, J. Snuverink, G. Sterbini, F. Stulle, I. Syratchev, F. Tecker, A. Vivoli, Y.W. Wang, W. Wunsch
E.A. presented a study on power extraction and beam deceleration at the TBTS. The aim was to understand the mismatch of RF power measured behind the PETS and deceleration of the beam. They are clearly correlated but the RF measurements result in 40% larger values than the beam energy loss measurements. Many details of the approach have been discussed and further studies have been proposed.
T.P. showed results of tune measurements in the CTF3 combiner ring. Usually measurements and expectations fit quite well. But some mismatch needs to be further investigated.
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