Stefan Ulmer

S. Ulmer, K. Blaum und J. Walz
Quantensprünge des Proton-Spins
Physik in unserer Zeit 42, 216 (2011)

S. Ulmer, K. Blaum, H. Kracke, A. Mooser, W. Quint, C. C. Rodegheri, and J. Walz
Direct Measurement of the Free Cyclotron Frequency of a Single Particle in a Penning Trap
Phys. Rev. Lett. 107, 103002 (2011)

S. Ulmer, C. C. Rodegheri, K. Blaum, H. Kracke, A. Mooser, W. Quint, and J. Walz
Observation of Spin Flips with a Single Trapped Proton
Phys. Rev. Lett. 106, 253001 (2011)

S. Ulmer, H. Kracke, K. Blaum, S. Kreim, A. Mooser, W. Quint, C. C. Rodegheri, and J. Walz
The quality factor of a superconducting rf resonator in a magnetic field
Rev. Sci. Instrum. 80, 123302 (2009)

C. C. Rodegheri, K. Blaum, H. Kracke, S. Kreim, A. Mooser, C. Mrozik, W. Quint, S. Ulmer, and J. Walz
Developments for the direct determination of the g-factor of a single proton in a Penning trap
Hyp. Int. 194, 93-98 (2009)

K. Blaum, H. Kracke, S. Kreim, A. Mooser, C. Mrozik, W. Quint, C. C. Rodegheri, B. Schabinger, S. Sturm, S. Ulmer, A. Wagner, J. Walz, and G. Werth
g-factor experiments on simple systems in Penning traps
J. Phys. B: At. Mol. Opt. Phys. 42, 154021 (2009)

J. Verdú, S. Kreim, K. Blaum, H. Kracke, W. Quint, S. Ulmer, and J. Walz
Calculation of electrostatic fields using quasi-Green's functions: application to the hybrid Penning trap
New J. Phys. 10, 103009-1 - 103009-23 (2008)

J. Verdú, K. Blaum, S. Djekic, S. Kreim, W. Quint, S. Stahl, S. Ulmer, M. Vogel, J. Walz, G. Werth
Penning trap measurement of the magnetic moment of the antiproton
AIP Conference Proceedings 796, 260-265 (2005)

J. Ketelaer, K. Blaum, M. Block, K. Eberhardt, M. Eibach, R. Ferrer, S. George, F. Herfurth, J. Ketter, Sz. Nagy, J. Repp, L. Schweikhard, C. Smorra, S. Sturm, and S. Ulmer
Recent developments in ion detection techniques for Penning trap mass spectrometry at Triga-Trap
Eur. Phys. J. A 42, 311–317 (2009)

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S. Ulmer

Entwicklung eines experimentellen Aufbaus zur Messung des g-Faktors des Protons in einer Penning-Falle

Diploma thesis at the Ruprecht Karls-University Heidelberg (2006)