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Experimental demonstration of two-color x-ray free-electron-laser pulses via wakefield excitation
Bettoni, S., Craievich, P., Dax, A., Ganter, R., Guetg, M. W., Huppert, M., … Lutman, A. A. (2021). Experimental demonstration of two-color x-ray free-electron-laser pulses via wakefield excitation. Physical Review Accelerators and Beams, 24(8), 082801 (6 pp.). https://doi.org/10.1103/PhysRevAccelBeams.24.082801
Overview of SwissFEL dual-photocathode laser capabilities and perspectives for exotic FEL modes
Bettoni, S., Cavalieri, A., Dax, A., Divall, E., Hauri, C. P., Hunziker, S., … Trisorio, A. (2021). Overview of SwissFEL dual-photocathode laser capabilities and perspectives for exotic FEL modes. High Power Laser Science and Engineering, 9, e51 (20 pp.). https://doi.org/10.1017/hpl.2021.36
Laser spectroscopy measurements of metastable pionic helium atoms at Paul Scherrer Institute
Hori, M., Aghai-Khozani, H., Sótér, A., Dax, A., & Barna, D. (2021). Laser spectroscopy measurements of metastable pionic helium atoms at Paul Scherrer Institute. Few-Body Systems, 62(3), 63 (6 pp.). https://doi.org/10.1007/s00601-021-01630-3
Measuring the α-particle charge radius with muonic helium-4 ions
Krauth, J. J., Schuhmann, K., Ahmed, M. A., Amaro, F. D., Amaro, P., Biraben, F., … Kottmann, F. (2021). Measuring the α-particle charge radius with muonic helium-4 ions. Nature, 589(7843), 527-531. https://doi.org/10.1038/s41586-021-03183-1
Ultrafast electron localization in the EuNi<sub>2</sub>(Si<sub>0.21</sub>Ge<sub>0.79</sub>)<sub>2</sub> correlated metal
Mardegan, J. R. L., Zerdane, S., Mancini, G., Esposito, V., Rouxel, J. R., Mankowsky, R., … Staub, U. (2021). Ultrafast electron localization in the EuNi2(Si0.21Ge0.79)2 correlated metal. Physical Review Research, 3(3), 033211 (12 pp.). https://doi.org/10.1103/PhysRevResearch.3.033211
Two-color x-ray free-electron laser by photocathode laser emittance spoiler
Vicario, C., Bettoni, S., Lutman, A., Dax, A., Huppert, M., & Trisorio, A. (2021). Two-color x-ray free-electron laser by photocathode laser emittance spoiler. Physical Review Accelerators and Beams, 24(6), 060703 (7 pp.). https://doi.org/10.1103/PhysRevAccelBeams.24.060703
Laser spectroscopy of pionic helium atoms
Hori, M., Aghai-Khozani, H., Sótér, A., Dax, A., & Barna, D. (2020). Laser spectroscopy of pionic helium atoms. Nature, 581(7806), 37-41. https://doi.org/10.1038/s41586-020-2240-x
A compact and cost-effective hard X-ray free-electron laser driven by a high-brightness and low-energy electron beam
Prat, E., Abela, R., Aiba, M., Alarcon, A., Alex, J., Arbelo, Y., … Zimoch, E. (2020). A compact and cost-effective hard X-ray free-electron laser driven by a high-brightness and low-energy electron beam. Nature Photonics, 14, 748-754. https://doi.org/10.1038/s41566-020-00712-8
The SwissFEL soft X-ray free-electron laser beamline: Athos
Abela, R., Alarcon, A., Alex, J., Arrell, C., Arsov, V., Bettoni, S., … Ganter, R. (2019). The SwissFEL soft X-ray free-electron laser beamline: Athos. Journal of Synchrotron Radiation, 26(4), 1073-1084. https://doi.org/10.1107/S1600577519003928
Lifetimes and &lt;em&gt;g&lt;/em&gt;-factors of the HFS states in H-like and Li-like bismuth
Hannen, V., Vollbrecht, J., Andelkovic, Z., Brandau, C., Dax, A., Geithner, W., … Nörtershauser, W. (2019). Lifetimes and g-factors of the HFS states in H-like and Li-like bismuth. Journal of Physics B: Atomic, Molecular and Optical Physics, 52(8), 085003 (9 pp.). https://doi.org/10.1088/1361-6455/ab0ef0
The hyperfine puzzle of strong-field bound-state QED
Nörtershäuser, W., Ullmann, J., Skripnikov, L. V., Andelkovic, Z., Brandau, C., Dax, A., … Weinheimer, C. (2019). The hyperfine puzzle of strong-field bound-state QED. Hyperfine Interactions, 240(1), 51 (9 pp.). https://doi.org/10.1007/s10751-019-1569-8
On the double peak structure of avalanche photodiode response to monoenergetic x-rays at various temperatures and bias voltages
Monteiro, C. M. B., Amaro, F. D., Sousa, M. S., Abdou-Ahmed, M., Amaro, P., Biraben, F., … Antognini, A. (2018). On the double peak structure of avalanche photodiode response to monoenergetic x-rays at various temperatures and bias voltages. Journal of Instrumentation, 13(1), C01033 (10 pp.). https://doi.org/10.1088/1748-0221/13/01/C01033
THz streak camera method for synchronous arrival time measurement of two-color hard X-ray FEL pulses
Gorgisyan, I., Ischebeck, R., Erny, C., Dax, A., Patthey, L., Pradervand, C., … Juranić, P. (2017). THz streak camera method for synchronous arrival time measurement of two-color hard X-ray FEL pulses. Optics Express, 25(3), 2080-2091. https://doi.org/10.1364/OE.25.002080
SwissFEL: the Swiss X-ray free electron laser
Milne, C. J., Schietinger, T., Aiba, M., Alarcon, A., Alex, J., Anghel, A., … Braun, H. H. (2017). SwissFEL: the Swiss X-ray free electron laser. Applied Sciences, 7(7), 720 (57 pp.). https://doi.org/10.3390/app7070720
Laser spectroscopy of muonic atoms and ions
Pohl, R., Nez, F., Fernandes, L. M. P., Abdou Ahmed, M., Amaro, F. D., Amaro, P., … Antognini, A. (2017). Laser spectroscopy of muonic atoms and ions. In E. Hiyama, Y. Kanai, N. Kuroda, Y. Matsuda, & S. Ulmer (Eds.), JPS conference proceedings: Vol. 18. Proceedings of the 12th international conference on low energy antiproton physics (LEAP2016) (p. 011021 (11 pp.). https://doi.org/10.7566/JPSCP.18.011021
Experiments towards resolving the proton charge radius puzzle
Antognini, A., Schuhmann, K., Amaro, F. D., Amaro, P., Abdou-Ahmed, M., Biraben, F., … Pohl, R. (2016). Experiments towards resolving the proton charge radius puzzle. In C. Elster, D. R. Phillips, & C. D. Roberts (Eds.), EPJ web of conferences: Vol. 113. 21st international conference on few-body problems in physics (p. 01006 (10 pp.). https://doi.org/10.1051/epjconf/201611301006
Commissioning experience and beam physics measurements at the SwissFEL Injector Test Facility
Schietinger, T., Pedrozzi, M., Aiba, M., Arsov, V., Bettoni, S., Beutner, B., … Zimoch, D. (2016). Commissioning experience and beam physics measurements at the SwissFEL Injector Test Facility. Physical Review Accelerators and Beams, 19(10), 100702 (61 pp.). https://doi.org/10.1103/PhysRevAccelBeams.19.100702
Improved x-ray detection and particle identification with avalanche photodiodes
Diepold, M., Fernandes, L. M. P., Machado, J., Amaro, P., Abdou-Ahmed, M., Amaro, F. D., … Pohl, R. (2015). Improved x-ray detection and particle identification with avalanche photodiodes. Review of Scientific Instruments, 86(5), 053102 (6 pp.). https://doi.org/10.1063/1.4921195
Hadronic shift in pionic hydrogen
Hennebach, M., Anagnostopoulos, D. F., Dax, A., Fuhrmann, H., Gotta, D., Gruber, A., … Zmeskal, J. (2014). Hadronic shift in pionic hydrogen. European Physical Journal A: Hadrons and Nuclei, 50(12), 190 (10 pp.). https://doi.org/10.1140/epja/i2014-14190-x
Multipass laser cavity for efficient transverse illumination of an elongated volume
Vogelsang, J., Diepold, M., Antognini, A., Dax, A., Götzfried, J., Hänsch, T. W., … Pohl, R. (2014). Multipass laser cavity for efficient transverse illumination of an elongated volume. Optics Express, 22(11), 13050-13062. https://doi.org/10.1364/OE.22.013050