Andreev, Aleksandr and Lens, Dieter and Schäfer, Stefan and Zipfel, Bernhard and Domont-Yankulova, Dilyana and Klingbeil, Harald (2018):
Current status of the phase calibration of synchrotron RF reference signals.
[Report]

Hülsmann, Peter and Klingbeil, Harald and Laier, Ulrich and Balss, Robert and Ningel, Klaus-Peter and Zipfel, Bernhard and Thielmann, Christof (2018):
The New Broadband Accelerating System for the SIS18 Upgrate at GSI.
Vancouver, Canada, 29.04. - 4.05., [Conference or Workshop Item]

Lens, Dieter and Hartel, Uta and Klingbeil, Harald and Zipfel, Bernhard and Groß, Kerstin and Adamy, Jürgen and Reichardt, Benjamin and Kumm, M. and Möller, Konrad and Zipf, P. (2015):
Progress in damping of longitudinal beam oscillations during acceleration.
[Report]

Groß, Kerstin and Hartel, Uta and Klingbeil, Harald and Laier, Ulrich and Lens, Dieter and Ningel, Klaus-Peter and Schäfer, Stefan and Zipfel, Bernhard (2015):
Verification of the longitudinal feedback topology in SIS18.
[Report]

Groß, Kerstin and Hartel, Uta and Klingbeil, Harald and Laier, Ulrich and Lens, Dieter and Ningel, Klaus-Peter and Schäfer, Stefan and Zipfel, Bernhard (2015):
Bunch-by-Bunch Longitudinal RF Feedback for Beam Stabilization at FAIR.
In: MOPHA021, Richmond, Virginia, USA, In: International Particle Accelerator Conference (IPAC2015), Richmond, Virginia, USA, [Online-Edition: https://jacowfs.jlab.org/conf/y15/ipac15/prepress/MOPHA021.P...],
[Conference or Workshop Item]

Frey, Michael and Balß, Robert and Christoph, Calina and Disser, Oliver and Fleischmann, Gerhard and Groß, Kerstin and Hartel, Uta and Hülsmann, Peter and Jatta, Sandro and Klaus, Alexander and Klingbeil, Harald and König, Hans Günter and Laier, Ulrich and Lens, Dieter and Mondry, Darius and Ningel, Klaus-Peter and Richter, Helmut and Schäfer, Stefan and Thielmann, Christof and Winnefeld, Thomas and Zipfel, Bernhard (2015):
Status of the Ring RF Systems for FAIR.
In: WEPMA018, Richmond, Virginia, USA, In: International Particle Accelerator Conference (IPAC2015), Richmond, Virginia, USA, [Online-Edition: https://jacowfs.jlab.org/conf/y15/ipac15/prepress/WEPMA018.P...],
[Conference or Workshop Item]

Grieser, Jochen and Adamy, Jürgen and Ferrand, Thibault and Groß, Kerstin and Hartel, Uta and Klingbeil, Harald and Laier, Ulrich and Lens, Dieter and Ningel, Klaus-Peter and Schäfer, Stefan and Zipfel, Bernhard (2014):
A digital beam-phase control system for a heavy-ion synchrotron with a dual-harmonic cavity system.
In: IEEE Transactions on Nuclear Science, 61 (6), pp. 3584-3591, [Article]

Grieser, Jochen and Hartel, Uta and Klingbeil, Harald and Laier, Ulrich and Lens, Dieter and Ningel, Klaus-Peter and Schäfer, Stefan and Zipfel, Bernhard (2014):
Beam Phase Feedback for Dual-Harmonic Operation of RF Cavity Systems.
[Report]

Zipfel, Bernhard and Laier, Ulrich and Ningel, Klaus-Peter and Schäfer, Stefan and Thielmann, Christof and Hartel, Uta and Lens, Dieter and Klingbeil, Harald (2014):
Generation of RF frequency and phase references on the FAIR site.
In: International Particle Accelerator Conference (IPAC2014), Dresden, Germany, [Conference or Workshop Item]

Hartel, Uta and Klingbeil, Harald and Laier, Ulrich and Ningel, Klaus-Peter and Schäfer, Stefan and Zipfel, Bernhard and Grieser, Jochen and Lens, Dieter (2013):
Precise verification of phase and amplitude calibration by means of a debunching experiment in SIS18.
In: Proceedings of the 4th International Particle Accelerator Conference, In: 4th International Particle Accelerator Conference, Shanghai, China, 12.-17. May 2013, [Conference or Workshop Item]

Grieser, Jochen and Lens, Dieter and Hartel, Uta and Klingbeil, Harald and Laier, Ulrich and Ningel, Klaus-Peter and Schäfer, Stefan and Zipfel, Bernhard (2013):
A digital beam-phase control system for a heavy-ion synchrotron with a double-harmonic cavity system.
In: Proceedings of the 4th International Particle Accelerator Conference, In: 4th International Particle Accelerator Conference, Shanghai, China, 12.-17. May 2013, [Conference or Workshop Item]

Schäfer, Stefan and Klingbeil, Harald and Zipfel, Bernhard and Klaus, Alexander and Hartel, Uta (2013):
Use of FPGA-based configurable electronics to calibrate cavities.
In: THPEA003, Shanghai, PRC, In: International Particle Accelerator Conference (IPAC2013), Shanghai, PRC, pp. 3152-3154, [Online-Edition: https://accelconf.web.cern.ch/accelconf/IPAC2013/papers/thpe...],
[Conference or Workshop Item]

Hartel, Uta and Grieser, Jochen and Lens, Dieter and Klaus, Alexander and Klingbeil, Harald and Laier, Ulrich and Ningel, Klaus-Peter and Schäfer, Stefan and Zipfel, Bernhard (2013):
Verification of the RF system calibration by means of a debunching experiment in SIS18.
In: GSI Scientific Report 2012, [Report]

Klingbeil, Harald and Laier, Ulrich and Ningel, Klaus-Peter and Schäfer, Stefan and Thielmann, Christof and Zipfel, Bernhard (2011):
New digital low-level rf system for heavy-ion synchrotrons.
In: Phys. Rev. ST Accel. Beams, 14American Physical Society, p. 102802, [Online-Edition: http://link.aps.org/doi/10.1103/PhysRevSTAB.14.102802],
[Article]

Ningel, Klaus-Peter and Honarbacht, Arasch and Klingbeil, Harald and Proske, Markus and Veldman, Hendri and Zipfel, Bernhard (2011):
The GSI RF Maintenance & Diagnostics Project.
In: TUPS068, San Sebasti\'n, Spain, In: International Particle Accelerator Conference (IPAC2011), San Sebasti\'n, Spain, pp. 1695-1697, [Online-Edition: https://accelconf.web.cern.ch/accelconf/IPAC2011/papers/tups...],
[Conference or Workshop Item]

Klingbeil, Harald and Lens, Dieter and Mehler, Monika and Zipfel, Bernhard (2010):
Modeling Longitudinal Oscillations of Bunched Beams in Synchrotrons.
In: ArXiv:1011.3957v1 [physics.acc-ph], [Article]

Hülsmann, Peter and Klingbeil, Harald and Laier, Ulrich and Balß, Robert and Schäfer, Stefan and Ningel, Klaus-Peter and Zipfel, Bernhard and Thielmann, Christof (2010):
Development of a new broadband accelerating system for the SIS18 upgrade at GSI.
In: MOPD029, Kyoto, Japan, In: International Particle Accelerator Conference (IPAC2010), Kyoto, Japan, pp. 744-746, [Online-Edition: https://accelconf.web.cern.ch/accelconf/IPAC10/papers/mopd02...],
[Conference or Workshop Item]

Ningel, Klaus-Peter and Hülsmann, Peter and Klingbeil, Harald and Laier, Ulrich and Thielmann, Christof and Zipfel, Bernhard (2010):
Dual harmonic operation at SIS18.
In: TUPEA037, Kyoto, Japan, In: International Particle Accelerator Conference (IPAC2010), Kyoto, Japan, pp. 1410-1412, [Online-Edition: https://accelconf.web.cern.ch/accelconf/IPAC10/papers/tupea0...],
[Conference or Workshop Item]