Vita
Akademische Ausbildung
- Doktorarbeit in experimenteller Kernphysik am Kernfysisch Versneller Instituut (KVI), Groningen, NL
- Studium der Physik an der Westfälischen Wilhelms-Universität Münster
Beruflicher Werdegang
- Wissenschaftler am Institut für Kernphysik, Westfälische Wilhelms-Universität Münster
- Postdoc in der experimentellen Hadronenphysik, II. Physikalisches Institut, Justus-Liebig-Universität Gießen
- Wissenschaftler in der Instrumententwicklung der Abteilung Erdbeobachtung der Space Research Organization Netherlands (SRON), Utrecht, NL
Projekt
- Verbundprojekt 05P2018 (ErUM-FSP T05) - Aufbau von APPA bei FAIR: Entwicklung eines Fluoreszenzdetektors für das Laserkühlen am SIS100 sowie Experimente mit Detektions- und Präzisions-HV-Systemen in FAIR Phase-0 ( – )
participations in bmbf-joint project: Bundesministerium für Bildung und Forschung | Förderkennzeichen: 05P19PMFA1
- Verbundprojekt 05P2018 (ErUM-FSP T05) - Aufbau von APPA bei FAIR: Entwicklung eines Fluoreszenzdetektors für das Laserkühlen am SIS100 sowie Experimente mit Detektions- und Präzisions-HV-Systemen in FAIR Phase-0 ( – )
Publikationen
- . . ‘Search for Lorentz-invariance violation with the first KATRIN data.’ Physical Review D (PRD) 107, Nr. 8: 082005. doi: 10.1103/PhysRevD.107.082005.
- . . ‘A next-generation liquid xenon observatory for dark matter and neutrino physics.’ Journal of Physics G: Nuclear and Particle Physics 50, Nr. 1: 013001. doi: 10.1088/1361-6471/ac841a.
- . . ‘Search for keV-scale sterile neutrinos with the first KATRIN data.’ Journal of Instrumentation 83, Nr. 8: 763. doi: 10.1140/epjc/s10052-023-11818-y.
- . . ‘KATRIN background due to surface radioimpurities.’ Astroparticle Physics 138: 102686. doi: 10.1016/j.astropartphys.2022.102686.
- . . ‘Direct neutrino-mass measurement with sub-electronvolt sensitivity.’ Nature Physics 18: 160–166. doi: 10.1038/s41567-021-01463-1.
- . . ‘{KATRIN}: status and prospects for the neutrino mass and beyond.’ Journal of Physics G: Nuclear and Particle Physics 49, Nr. 10: 100501. doi: 10.1088/1361-6471/ac834e.
- . . ‘An active transverse energy filter to differentiate low energy particles with large pitch angles in a strong magnetic field.’ The European Physical Journal C 82, Nr. 10: 922. doi: 10.1140/epjc/s10052-022-10858-0.
- . . ‘Suppression of electrical breakdown phenomena in liquid TriMethyl Bismuth based ionization detectors.’ Journal of Instrumentation 17, Nr. 09: P09029. doi: 10.1088/1748-0221/17/09/P09029.
- . . ‘Electro-purification studies and first measurement of relative permittivity of TMBi.’ Journal of Instrumentation 17, Nr. 12: P12021. doi: 10.1088/1748-0221/17/12/P12021.
- . . ‘The design, construction, and commissioning of the KATRIN experiment.’ Journal of Instrumentation 16, Nr. 08: T08015. doi: 10.1088/1748-0221/16/08/t08015.
- . . ‘Bound on 3+1 Active-Sterile Neutrino Mixing from the First Four-Week Science Run of KATRIN.’ Phys. Rev. Lett. 126, Nr. 9: 091803. doi: 10.1103/PhysRevLett.126.091803.
- . . ‘Analysis methods for the first KATRIN neutrino-mass measurement.’ Phys. Rev. D 104, Nr. 1: 012005. doi: 10.1103/PhysRevD.104.012005.
- . . ‘Laser spectroscopy of the $^2{\mathrmS}_{1/2}{-}^2{\mathrmP}_{{1}/2}$, $^2{\mathrmP}_{3/2}$ transitions in stored and cooled relativistic C$^{3+}$ ions.’ Sci. Rep. 11, Nr. 1: 9370. doi: 10.1038/s41598-021-88926-w.
- . . ‘Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment.’ Eur. Phys. J. C 81, Nr. 7: 579. doi: 10.1140/epjc/s10052-021-09325-z.
- . . ‘Suppression of Penning discharges between the KATRIN spectrometers.’ European Physical Journal C 80: 821. doi: 10.1140/epjc/s10052-020-8278-y.
- . . ‘High-resolution spectroscopy of gaseous ^{83m}Kr conversion electrons with the KATRIN experiment.’ J. Phys. G 47, Nr. 6: 065002. doi: 10.1140/epjc/s10052-020-7718-z.
- . . ‘First operation of the KATRIN experiment with tritium.’ European Physical Journal C 80: 264. doi: 10.1140/epjc/s10052-020-7718-z.
- . . ‘Solar Neutrino Detection Sensitivity in DARWIN via Electron Scattering.’ European Physical Journal C 80: 1133. doi: 10.1140/epjc/s10052-020-08602-7.
- 10.1088/1475-7516/2017/01/025. . ‘A White Paper on keV sterile neutrino Dark Matter.’ Journal of Cosmology and Astroparticle Physics 2017, Nr. 1: 025. doi:
- 10.1088/1361-6455/aa63a0. . ‘Laser spectroscopy measurement of the 2s-hyperfine splitting in lithium-like bismuth.’ Journal of Physics B: Atomic, Molecular and Optical Physics 50, Nr. 8. doi:
- 10.1038/ncomms15484. . ‘High precision hyperfine measurements in Bismuth challenge bound-state strong-field QED.’ Nature Communications 8, Nr. null. doi:
- 10.1016/j.astropartphys.2017.01.010. . ‘Deconvolution of the energy loss function of the KATRIN experiment.’ Astroparticle Physics 89, Nr. null: 30–38. doi:
- 10.1140/epjc/s10052-017-4972-9. . ‘A pulsed, mono-energetic and angular-selective UV photo-electron source for the commissioning of the KATRIN experiment.’ European Physical Journal C: Particles and Fields 77, Nr. 6. doi:
- . . ‘DARWIN: towards the ultimate dark matter detector.’ Journal of Cosmology and Astroparticle Physics 2016, Nr. 11: 017. doi: 10.1088/1475-7516/2016/11/017.
- . . ‘Commissioning of the vacuum system of the KATRIN Main Spectrometer.’ Journal of Instrumentation 11: P04011. doi: 10.1088/1748-0221/11/04/P04011.
- Contributed to the 7th International Particle Accelerator Conference, IPAC 2016, kor. . ‘Laser cooling of relativistic highly charged ions at fair.’
- 10.1088/1475-7516/2016/11/017. . ‘DARWIN: Towards the ultimate dark matter detector.’ Journal of Cosmology and Astroparticle Physics 2016, Nr. 11. doi:
- 10.1007/s10751-015-1199-8. . ‘Status of deceleration and laser spectroscopy of highly charged ions at HITRAP.’ Hyperfine Interactions 235, Nr. null: 37–44. doi:
- Contributed to the 17th International Conference on the Physics of Highly Charged Ions, San Carlos de Bariloche, Argentina. doi: 10.1088/1742-6596/583/1/012002. . ‘Laser spectroscopy of the ground-state hyperfine structure in H-like and Li-like bismuth.’
- 10.1088/0953-4075/48/14/144022. . ‘An improved value for the hyperfine splitting of hydrogen-like 209Bi82+.’ Journal of Physics B: Atomic, Molecular and Optical Physics 48, Nr. 14. doi:
- . . ‘Observation of the hyperfine transition in lithium-like bismuth Bi 209 80+: Towards a test of QED in strong magnetic fields.’ Physical Review A 90, Nr. 3: 030501. doi: 10.1103/PhysRevA.90.030501.
- Contributed to the 16th International Conference on the Physics of Highly Charged Ions, HCI 2012, Heidelberg, deu. doi: 10.1088/0031-8949/2013/T156/014096. . ‘SpecTrap: Precision spectroscopy of highly charged ions - Status and prospects.’
- 10.1103/PhysRevA.87.033423. . ‘Laser cooling of externally produced Mg ions in a Penning trap for sympathetic cooling of highly charged ions.’ Physical Review A 87, Nr. 3. doi:
- Contributed to the 16th International Conference on the Physics of Highly Charged Ions, HCI 2012, Heidelberg, deu. doi: 10.1088/0031-8949/2013/T156/014016. . ‘First observation of the ground-state hyperfine transition in 209Bi80+ .’
- . . ‘Neutrino mass sensitivity by MAC-E-Filter based time-of-flight spectroscopy with the example of KATRIN .’ New Journal of Physics 15: 113020. doi: 10.1088/1367-2630/15/11/113020.
- . . ‘Detection system for forward emitted photons at the Experimental Storage Ring at GSI.’ Journal of Instrumentation 2013, Nr. 8: P09018. doi: 10.1088/1748-0221/8/09/P09018.
- 10.1016/j.nima.2013.01.058. . ‘Optical measurement of the longitudinal ion distribution of bunched ion beams in the ESR.’ Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 711: 90–95. doi:
- . . ‘Current Direct Neutrino Mass Experiments.’ Advances in High Energy Physics 2013: 293986. doi: 10.1155/2013/293986.
- . . ‘Direct neutrino mass determination: Status and prospects.’ Journal of Physics: Conference Series 375, Nr. PART 4. doi: 10.1088/1742-6596/375/1/042004.
- . . ‘APDs as single-photon detectors for visible and near-infrared wavelengths down to Hz rates .’ Journal of Instrumentation 7: P02015. doi: 10.1088/1748-0221/7/02/P02015.
- . . ‘Limits on the release of Rb isotopes from a zeolite based 83mKr calibration source for the XENON project.’ Journal of Instrumentation 6, Nr. 10. doi: 10.1088/1748-0221/6/10/P10013.
- . . ‘A contact-less 2-dimensional laser sensor for 3-dimensional wire position and tension measurements.’ IEEE Transactions on Nuclear Science 57, Nr. 2 PART 2: 787–792. doi: 10.1109/TNS.2010.2042612.
- . . ‘A UV LED-based fast-pulsed photoelectron source for time-of-flight studies.’ New Journal of Physics 11: 063018. doi: 10.1088/1367-2630/11/6/063018.
- . . ‘Characterization of LN2 cooled LAAPDs for single photon counting applications.’ IEEE Nuclear Science Symposium Conference Record : 2475–2477.
- . . ‘The Wire Electrode of the KATRIN Experiment.’ XXIII CONFERENCE ON NEUTRINO PHYSICS AND ASTROPHYSICS 136: –.
- . . ‘Contactless 2-dim laser sensor for 3-dim wire position and tension measurements.’ IEEE Nuclear Science Symposium Conference Record : 1025–1029.
- . . ‘Proton scattering at intermediate energies on Ni58: How well is it understood?’ Physical Review C 76, Nr. 1. doi: 10.1103/PhysRevC.76.014314.
- . . ‘Spin-isospin excitations in the medium-mass nucleus 58Co investigated with the (d, 2He) reaction.’ Physical Review C 71, Nr. 1: 231–239. doi: 10.1103/PhysRevC.71.014606.
- . . ‘Polarized proton scattering on 58Ni at small momentum transfer: A test of the microscopic optical model and effective interactions.’ Physics Letters B 612, Nr. 3-4: 165–172.
- . . ‘High-resolution determination of GT strength distributions relevant to the presupernova evolution using the (d,2He) reaction.’ Physics Letters B 579, Nr. 3-4: 251–257.
- . . ‘On the determination of polarization observables in proton-induced reactions using large-acceptance magnetic spectrometers.’ Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 500, Nr. 1-3: 68–83. doi: 10.1016/S0168-9002(02)02117-4.
- . . ‘Measurement and microscopic analysis of the 11B(p→,p→) reaction at E p = 150 MeV. II. Depolarization in elastic scattering from odd-a nuclei.’ Physical Review C 67, Nr. 5: 543211–543218.
- . . ‘Measurement and microscopic analysis of the 11B(p→,p→) reaction at E p = 150 MeV. I. Inelastic scattering.’ Physical Review C 67, Nr. 5: 543201–5432015.
- . . ‘High resolution studies of low lying GT strength using the (d, 2He) reaction and its impact on electron-capture rates in stellar environments.’ Nuclear Physics A 719, Nr. 1-4: 131c–134c. doi: 10.1016/S0375-9474(03)00982-5.
- . . ‘End-to-end simulations for the LISA Technology Package.’ Classical and Quantum Gravity 20, Nr. 10: S261–S271. doi: 10.1088/0264-9381/20/10/329.
- . . ‘Measuring the (d, 2He) reaction with the focal-plane detection system of the BBS magnetic spectrometer at AGOR.’ Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 481, Nr. 1-3: 253–261. doi: 10.1016/S0168-9002(01)01365-1.
- . . ‘Gamow-teller matrix elements from the 12C(d, 2He) and 24Mg(d, 2He) reactions at 170 MeV.’ Physical Review C 65, Nr. 4: 443231–443238.
- . . ‘Search for three-nucleon force effects in analyzing powers for →pd elastic scattering.’ Physical Review Letters 86, Nr. 26 I: 5862–5865. doi: 10.1103/PhysRevLett.86.5862.
- . . ‘Performance of the KVI in-beam polarimeter.’ Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 457, Nr. 1-2: 12–21. doi: 10.1016/S0168-9002(00)00741-5.
- . . ‘Observation of the isovector giant monopole resonances in the (3He, t) reaction.’ Nuclear Physics A 687, Nr. 1-2: 262c–269c. doi: 10.1016/S0375-9474(01)00630-3.
- . . ‘Investigation of effects beyond two-body forces in three-nucleon systems.’ Nuclear Physics A 689, Nr. 1-2: 337c–340c. doi: 10.1016/S0375-9474(01)00849-1.
- . . ‘Deuteron elastic and inelastic scattering from 12C, 24Mg, and 58Ni at 170 MeV.’ Physical Review C 63, Nr. 3: 376011–376014.
- . . ‘Search for Isovector Giant Monopole Resonances via the Pb( 3He,tp) Reaction.’ Physical Review Letters 84, Nr. 17: 3779–3782. doi: 10.1103/PhysRevLett.84.3779.
- . . ‘Performance of an ASD-8 based wire chamber readout system.’ IEEE Transactions on Nuclear Science 47, Nr. 6 IV: 2741–2747. doi: 10.1109/23.901181.
- . . ‘New wire chamber front-end system, based on the ASD-8 B chip.’ Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 431, Nr. 1: 236–238. doi: 10.1016/S0168-9002(99)00248-X.
- . . ‘A DSP-based readout and online processing system for a new focal-plane polarimeter at AGOR.’ Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 437, Nr. 2-3: 459–470. doi: 10.1016/S0168-9002(99)00803-7.
Dr. Volker Michael Hannen
Professur für Kernphysik (Prof. Weinheimer)