@article{UBHD-68663656,
  author={Beilmann, Christian and Amaro, Pedro and Bekker, Hendrik and Harman, Zoltán and Crespo López-Urrutia, José Ramon and Tashenov, Stanislav},
  title={Higher-order resonant electronic recombination as a manifestation of configuration interaction},
  year={2013},
  pages={3 S.},
  language={eng},
  issn={1402-4896},
  volume={T156(2013) Artikel-Nummer 014052},
  number={3 Seiten},
  note={Gesehen am 20.11.2020},
  journal={Physica scripta},
  doi={10.1088/0031-8949/2013/T156/014052},
}
@article{UBHD-68590856,
  author={Blessenohl, Michael A. and Dobrodey, Stepan and Warnecke, Christian and Rosner, M. K. and Graham, L. and Paul, S. and Baumann, T. M. and Hockenbery, Z. and Hubele, Renate and Pfeifer, Thomas and Ames, F. and Dilling, J. and Crespo López-Urrutia, José Ramon},
  title={An electron beam ion trap and source for re-acceleration of rare-isotope ion beams at TRIUMF},
  year={2018},
  pages={16 S.},
  language={eng},
  issn={1089-7623},
  volume={89(2018},
  note={Gesehen am 24.06.20204},
  journal={Review of scientific instruments},
  doi={10.1063/1.5021045},
}
@article{UBHD-69212933,
  author={Dijck, Elwin A. and Warnecke, Christian and Wehrheim, Malte and Henninger, Ruben B. and Eff, Julia and Georgiou, Kostas and Graf, Andrea and Kokh, Stepan and Kozhiparambil Sajith, Lakshmi P. and Mayo, Christopher and Sch{\"a}fer, Vera M. and Volk, Claudia and Schmidt, Piet O. and Pfeifer, Thomas and Crespo López-Urrutia, José Ramon},
  title={Sympathetically cooled highly charged ions in a radio-frequency trap with superconducting magnetic shielding},
  year={2023},
  pages={1-16},
  language={eng},
  issn={1089-7623},
  volume={94},
  note={Gesehen am 13.05.2024},
  journal={Review of scientific instruments},
  doi={10.1063/5.0160537},
}
@article{UBHD-68617740,
  author={Epp, Sascha W. and Steinbr{\"u}gge, René and Bernitt, Sven and Rudolph, J. K. and Beilmann, Christian and Bekker, H. and M{\"u}ller, A. and Versolato, O. O. and Wille, H.-C. and Yavaş, H. and Ullrich, J. and Crespo López-Urrutia, José Ramon},
  title={Single-photon excitation of K α in heliumlike Kr34+},
  subtitle={results supporting quantum electrodynamics predictions},
  year={2015},
  pages={5 S.},
  language={eng},
  issn={1094-1622},
  volume={92(2015},
  note={Im Titel ist "34+" hochgestellt ; Gesehen am 16.07.2020},
  journal={Physical review},
  doi={10.1103/PhysRevA.92.020502},
}
@article{UBHD-68735352,
  author={Frekers, Dieter and Simon, Martin C. and Andreoiu, C. and Bale, J. C. and Brodeur, Maxime and Brunner, Thomas and Chaudhuri, A. and Chowdhury, U. and Crespo López-Urrutia, José Ramon and Delheij, P. and Ejiri, H. and Ettenauer, S. and Gallant, Aaron and Gavrin, V. and Grossheim, A. and Harakeh, M. N. and Jang, F. and Kwiatkowski, A. A. and Lassen, J. and Lennarz, A. and Luichtl, M. and Ma, T. and Macdonald, Tegan and Mané, E. and Robertson, D. and Schultz, B. E. and Simon, Vanessa Véronique and Teigelh{\"o}fer, A. and Dilling, J.},
  title={Penning-trap Q-value determination of the 71Ga(ν, e−)71Ge reaction using threshold charge breeding of on-line produced isotopes},
  year={2013},
  pages={233-237},
  language={eng},
  issn={1873-2445},
  volume={722},
  number={4/5},
  note={Im Titel ist "71" und "-" jeweils hochgestellt ; Gesehen am 07.05.2021},
  journal={Physics letters},
  doi={10.1016/j.physletb.2013.04.019},
}
@article{UBHD-68772271,
  author={Grilo, Filipe and Shah, Chintan and K{\"u}hn, Steffen and Steinbr{\"u}gge, René and Fujii, Keisuke and Marques, José and Gu, Ming Feng and Santos, José Paulo and Crespo López-Urrutia, José Ramon and Amaro, Pedro},
  title={Comprehensive laboratory measurements resolving the LMM dielectronic recombination satellite lines in Ne-like Fe xvii ions},
  year={2021},
  pages={1-12},
  language={eng},
  issn={1538-4357},
  volume={913},
  note={Gesehen am 19.08.2021},
  journal={The astrophysical journal},
  doi={10.3847/1538-4357/abf737},
}
@article{UBHD-68753920,
  author={Hansen, Anders Kragh and Versolato, O. O. and Kłosowski, Ł and Kristensen, S. B. and Gingell, A. and Schwarz, M. and Windberger, Alexander and Ullrich, J. and Crespo López-Urrutia, José Ramon and Drewsen, M.},
  title={Efficient rotational cooling of Coulomb-crystallized molecular ions by a helium buffer gas},
  year={2014},
  pages={76-79},
  language={eng},
  issn={1476-4687},
  volume={508},
  number={7494},
  note={Gesehen am 29.06.2021},
  journal={Nature},
  doi={10.1038/nature12996},
}
@article{UBHD-69351182,
  author={Heldt, Tobias and Oelmann, Jan-Hendrik and Guth, Lennart and Lackmann, Nick and Matt, Lukas and Pfeifer, Thomas and Crespo López-Urrutia, José Ramon},
  title={Nanometric probing with a femtosecond, intra-cavity standing wave},
  year={2024},
  pages={4639-4646},
  language={eng},
  issn={2192-8614},
  volume={13},
  number={25},
  note={Gesehen am 02.06.2025},
  journal={Nanophotonics},
  doi={10.1515/nanoph-2024-0332},
}
@article{UBHD-69314982,
  author={Heldt, Tobias and Oelmann, Jan-Hendrik and Guth, Lennart and Lackmann, Nick and Pfeifer, Thomas and Crespo López-Urrutia, José Ramon},
  title={Velocity-map imaging with counter-propagating laser pulses},
  year={2024},
  pages={6825-6828},
  language={eng},
  issn={1539-4794},
  volume={49},
  number={23},
  note={Gesehen am 05.03.2025},
  journal={Optics letters},
  doi={10.1364/OL.540612},
}
@article{UBHD-68585995,
  author={J{\"o}rg, Holger Eric and Hu, Zhimin and Crespo López-Urrutia, José Ramon and Tashenov, Stanislav},
  title={Linear polarization of x-ray transitions due to dielectronic recombination in highly charged ions},
  year={2015},
  pages={7 S.},
  language={eng},
  issn={1094-1622},
  volume={91(2015},
  note={Gesehen am 18.06.2020},
  journal={Physical review},
  doi={10.1103/PhysRevA.91.042705},
}
@article{UBHD-68730386,
  author={K{\"u}hn, Steffen and Shah, Chintan and Crespo López-Urrutia, José Ramon and Fujii, Keisuke and Steinbr{\"u}gge, René and Stierhof, Jakob and Togawa, Moto and Harman, Zoltán and Oreshkina, Natalia S. and Cheung, Charles and Kozlov, Mikhail G. and Porsev, Sergey G. and Safronova, Marianna S. and Berengut, Julian C. and Rosner, Michael and Bissinger, Matthias and Ballhausen, Ralf and Hell, Natalie and Park, SungNam and Chung, Moses and Hoesch, Moritz and Seltmann, J{\"o}rn and Surzhykov, Andrey S. and Yerokhin, Vladimir A. and Wilms, J{\"o}rn and Porter, F. Scott and St{\"o}hlker, Thomas and Keitel, Christoph H. and Pfeifer, Thomas and Brown, Gregory V. and Leutenegger, Maurice A. and Bernitt, Sven},
  title={High resolution photoexcitation measurements exacerbate the long-standing Fe XVII oscillator strength problem},
  year={2020},
  pages={1-7},
  language={eng},
  issn={1079-7114},
  volume={124},
  note={Gesehen am 29.04.2021},
  journal={Physical review letters},
  doi={10.1103/PhysRevLett.124.225001},
}
@article{UBHD-68994746,
  author={K{\"u}hn, Steffen and Cheung, Charles and Oreshkina, Natalia S. and Steinbr{\"u}gge, René and Togawa, Moto and Bernitt, Sonja and Berger, Lukas and Buck, Jens and Hoesch, Moritz and Seltmann, J{\"o}rn and Trinter, Florian and Keitel, Christoph H. and Kozlov, Mikhail G. and Porsev, Sergey G. and Gu, Ming Feng and Porter, F. Scott and Pfeifer, Thomas and Leutenegger, Maurice A. and Harman, Zoltán and Safronova, Marianna S. and Crespo López-Urrutia, José Ramon and Shah, Chintan},
  title={New measurement resolves key astrophysical Fe XVII oscillator strength problem},
  year={2022},
  pages={1-8},
  language={eng},
  issn={1079-7114},
  volume={129},
  note={Gesehen am 08.12.2022},
  journal={Physical review letters},
  doi={10.1103/PhysRevLett.129.245001},
}
@article{UBHD-68702671,
  author={Nauta, Janko and Oelmann, Jan-Hendrik and Borodin, A. and Ackermann, A. and Knauer, P. and Muhammad, I and Pappenberger, Ronja and Pfeifer, Thomas and Crespo López-Urrutia, José Ramon},
  title={XUV frequency comb production with an astigmatism-compensated enhancement cavity},
  year={2021},
  pages={2624-2636},
  language={eng},
  issn={1094-4087},
  volume={29},
  number={2},
  note={Gesehen am 23.02.2021},
  journal={Optics express},
  doi={10.1364/OE.414987},
}
@article{UBHD-69243294,
  author={Oelmann, Jan-Hendrik and Guth, L. and Heldt, T. and Griesbach, Nele and Hector, R. and Lackmann, Nick and Nauta, J. and Pfeifer, Thomas and Crespo López-Urrutia, José Ramon},
  title={Closed-cycle noble gas recycling system for high-repetition rate high-harmonic generation},
  year={2024},
  pages={1-9},
  language={eng},
  issn={1089-7623},
  volume={95},
  note={Online ver{\"o}ffentlicht: 13. M{\"a}rz 2024 ; Gesehen am 14.08.2024},
  journal={Review of scientific instruments},
  doi={10.1063/5.0176563},
}
@article{UBHD-68869938,
  author={Rudolph, Jan K. and Bernitt, S. and Epp, S. W. and Steinbr{\"u}gge, R. and Beilmann, Christian and Brown, G. V. and Eberle, S. and Graf, A. and Harman, Zoltán and Hell, N. and Leutenegger, M. and M{\"u}ller, A. and Schlage, K. and Wille, H.-C. and Yavaş, H. and Ullrich, J. and Crespo López-Urrutia, José Ramon},
  title={X-ray resonant photoexcitation},
  subtitle={linewidths and energies of Kα transitions in highly charged Fe ions},
  year={2013},
  pages={1-6},
  language={eng},
  issn={1079-7114},
  volume={111},
  note={Gesehen am 24.01.2022},
  journal={Physical review letters},
  doi={10.1103/PhysRevLett.111.103002},
}
@article{UBHD-68587293,
  author={Sch{\"u}ßler, Rima and Bekker, Hendrik and Braß, Martin and Cakir, Halil and Crespo López-Urrutia, José Ramon and Door, Menno and Filianin, Pavel and Harman, Zoltán and Haverkort, Maurits W. and Huang, Wenjia and Indelicato, Paul and Keitel, Christoph H. and K{\"o}nig, Charlotte and Kromer, Kathrin and M{\"u}ller, Marius and Novikov, Y. N. and Rischka, Alexander and Schweiger, Christoph and Sturm, Sebastian and Ulmer, Stefan and Eliseev, Sergey and Blaum, Klaus},
  title={Detection of metastable electronic states by Penning trap mass spectrometry},
  year={2020},
  pages={42-46},
  language={eng},
  issn={1476-4687},
  volume={581},
  number={7806},
  note={Gesehen am 16.06.2020},
  journal={Nature},
  doi={10.1038/s41586-020-2221-0},
}
@article{UBHD-69293975,
  author={Shah, Chintan and Togawa, Moto and Botz, Marc and Danisch, Jonas and Goes, Joschka J. and Bernitt, Sonja and Maxton, Marleen and K{\"o}bnick, Kai and Buck, Jens and Seltmann, J{\"o}rn and Hoesch, Moritz and Gu, Ming Feng and Porter, F. Scott and Pfeifer, Thomas and Leutenegger, Maurice A. and Cheung, Charles and Safronova, Marianna S. and Crespo López-Urrutia, José Ramon},
  title={High-precision transition energy measurements of neon-like Fe xvii Ions},
  year={2024},
  pages={1-12},
  language={eng},
  issn={1538-4357},
  volume={969},
  note={Gesehen am 24.01.2025},
  journal={The astrophysical journal},
  doi={10.3847/1538-4357/ad454b},
}
@article{UBHD-69306551,
  author={Shah, Chintan and K{\"u}hn, Steffen and Bernitt, Sonja and Steinbr{\"u}gge, René and Togawa, Moto and Berger, Lukas and Buck, Jens and Hoesch, Moritz and Seltmann, J{\"o}rn and Kozlov, Mikhail G. and Porsev, Sergey G. and Gu, Ming Feng and Porter, F. Scott and Pfeifer, Thomas and Leutenegger, Maurice A. and Cheung, Charles and Safronova, Marianna S. and Crespo López-Urrutia, José Ramon},
  title={Natural-linewidth measurements of the 3???? and 3⁢???? soft-x-ray transitions in Ni xix},
  year={2024},
  pages={1-9},
  language={eng},
  issn={2469-9934},
  volume={109},
  note={Gesehen am 20.02.2025},
  journal={Physical review},
  doi={10.1103/PhysRevA.109.063108},
}
@article{UBHD-68792725,
  author={Stark, Julian Gunnar Josef and Warnecke, Christian and Bogen, S. and Chen, S. and Dijck, E. A. and K{\"u}hn, S. and Rosner, M. K. and Graf, Alexander and Nauta, Janko and Oelmann, J.-H. and Schm{\"o}ger, Lisa and Schwarz, M. and Liebert, D. and Spieß, L. J. and King, S. A. and Leopold, T. and Micke, Peter and Schmidt, P. O. and Pfeifer, Thomas and Crespo López-Urrutia, José Ramon},
  title={An ultralow-noise superconducting radio-frequency ion trap for frequency metrology with highly charged ions},
  year={2021},
  pages={1-16},
  language={eng},
  issn={1089-7623},
  volume={92},
  note={Gesehen am 22.10.2021},
  journal={Review of scientific instruments},
  doi={10.1063/5.0046569},
}
@article{UBHD-68589675,
  author={Steinbr{\"u}gge, René and Bernitt, Sven and Epp, S. W. and Rudolph, Jan K. and Beilmann, Christian and Bekker, Hendrik and Eberle, Sebastian and M{\"u}ller, A. and Versolato, O. and Wille, H.-C. and Yavaş, H. and Ullrich, Joachim and Crespo López-Urrutia, José Ramon},
  title={Absolute measurement of radiative and Auger rates of K-shell-vacancy states in highly charged Fe ions},
  year={2015},
  language={eng},
  issn={1094-1622},
  volume={91(2015},
  note={Gesehen am 22.06.2020},
  journal={Physical review},
  doi={10.1103/PhysRevA.91.032502},
}
@article{UBHD-69363661,
  author={Togawa, Moto and Richter, Jan and Shah, Chintan and Botz, Marc and Nenninger, Joshua and Danisch, Jonas and Goes, Joschka and K{\"u}hn, Steffen and Amaro, Pedro and Mohamed, Awad and Amano, Yuki and Orlando, Stefano and Totani, Roberta and de Simone, Monica and Fritzsche, Stephan and Pfeifer, Thomas and Coreno, Marcello and Surzhykov, Andrey and Crespo López-Urrutia, José Ramon},
  title={Hanle effect for lifetime determinations in the soft x-ray regime},
  year={2024},
  pages={1-7},
  language={eng},
  issn={1079-7114},
  volume={133},
  note={Gesehen am 08.07.2025},
  journal={Physical review letters},
  doi={10.1103/PhysRevLett.133.163202},
}
@article{UBHD-69316607,
  author={Togawa, Moto and K{\"u}hn, Steffen and Shah, Chintan and Zaytsev, Vladimir A. and Oreshkina, Natalia S. and Buck, Jens and Bernitt, Sonja and Steinbr{\"u}gge, René and Seltmann, J{\"o}rn and Hoesch, Moritz and Keitel, Christoph H. and Pfeifer, Thomas and Leutenegger, Maurice A. and Crespo López-Urrutia, José Ramon},
  title={High-accuracy measurements of core-excited transitions in light Li-like ions},
  year={2024},
  pages={1-7},
  language={eng},
  issn={2469-9934},
  volume={110},
  note={Gesehen am 10.03.2025},
  journal={Physical review},
  doi={10.1103/PhysRevA.110.L030802},
}
@article{UBHD-68677270,
  author={Togawa, Moto and K{\"u}hn, Steffen and Shah, C. and Amaro, P. and Steinbr{\"u}gge, R. and Stierhof, J. and Hell, N. and Rosner, Michael and Fujii, K. and Bissinger, M. and Ballhausen, R. and Hoesch, M. and Seltmann, J. and Park, S. and Grilo, F. and Porter, F. S. and Santos, J. P. and Chung, M. and St{\"o}hlker, T. and Wilms, J. and Pfeifer, Thomas and Brown, G. V. and Leutenegger, M. A. and Bernitt, S. and Crespo López-Urrutia, José Ramon},
  title={Observation of strong two-electron--one-photon transitions in few-electron ions},
  year={2020},
  pages={10 S.},
  language={eng},
  issn={2469-9934},
  volume={102(2020},
  note={Gesehen am 07.01.2021},
  journal={Physical review},
  doi={10.1103/PhysRevA.102.052831},
}