Dr. Volker Michael Hannen

Professur für Kernphysik (Prof. Weinheimer)
Dr. Volker Michael Hannen

Wilhelm-Klemm-Str. 9, room R. 207
48149 Münster

T: +49 251 83-34992
F: +49 251 83-34962

  • CV

    Academic Education

    PhD study in experimental nuclear physics at the Kernfysisch Versneller Instituut (KVI), Groningen, NL
    Study of experimental physics at the Westfälische Wilhelms-Universität Münster

    Positions

    Scientist at the Nuclear Physics Institute, Westfälische Wilhelms-Universität Münster
    Postdoc in experimental hadronic physics, II. Physikalisches Institut, Justus-Liebig-Universität Gießen
    Instrument scientist in the Earth Oriented Science division of the Space Research Organization Netherlands (SRON), Utrecht, NL

  • Project

    • Development of a fluorescence detection system for laser cooling at SIS100 and operation of single photon detectors and precision HV divider in the upcoming FAIR Phase-0 experiments ( – )
      Participation in Federally Funded Joint Project: Federal Ministry of Research, Technology and Space | Project Number: 05P19PMFA1

  • Publications

    • , , , et al. . “Characterization of the BOLDPET optical prototype, an innovative Cherenkov detector for 511 keV \ensuremath{γ} radiation.” Journal of Instrumentation, № 19 (07): P07018. doi: 10.1088/1748-0221/19/07/P07018.
    • . . “Measurement of the electric potential and the magnetic field in the shifted analysing plane of the KATRIN experiment.” The European Physical Journal C, № 84: 1258. doi: 10.1140/epjc/s10052-024-13596-7.
    • , and . . “Search for Lorentz-invariance violation with the first KATRIN data.” Physical Review D (PRD), № 107 (8): 082005–082005. doi: 10.1103/PhysRevD.107.082005.
    • , and . . “A next-generation liquid xenon observatory for dark matter and neutrino physics.” Journal of Physics G: Nuclear and Particle Physics, № 50 (1): 013001–013001. doi: 10.1088/1361-6471/ac841a.
    • , and . . “Search for keV-scale sterile neutrinos with the first KATRIN data.” Journal of Instrumentation, № 83 (8): 763–763. doi: 10.1140/epjc/s10052-023-11818-y.
    • , , , et al. . “KATRIN background due to surface radioimpurities.” Astroparticle Physics, № 138: 102686. doi: 10.1016/j.astropartphys.2022.102686.
    • , , , et al. . “Direct neutrino-mass measurement with sub-electronvolt sensitivity.” Nature Physics, № 18: 160–166. doi: 10.1038/s41567-021-01463-1.
    • , , , et al. . “{KATRIN}: status and prospects for the neutrino mass and beyond.” Journal of Physics G: Nuclear and Particle Physics, № 49 (10): 100501–100501. doi: 10.1088/1361-6471/ac834e.
    • , and . . “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 (10): 922–922. doi: 10.1140/epjc/s10052-022-10858-0.
    • , and . . “Suppression of electrical breakdown phenomena in liquid TriMethyl Bismuth based ionization detectors.” Journal of Instrumentation, № 17 (09): P09029–P09029. doi: 10.1088/1748-0221/17/09/P09029.
    • , , , et al. . “Electro-purification studies and first measurement of relative permittivity of TMBi.” Journal of Instrumentation, № 17 (12): P12021–P12021. doi: 10.1088/1748-0221/17/12/P12021.
    • , and . . “The design, construction, and commissioning of the KATRIN experiment.” Journal of Instrumentation, № 16 (08): T08015. doi: 10.1088/1748-0221/16/08/t08015.
    • , and . . “Bound on 3+1 Active-Sterile Neutrino Mixing from the First Four-Week Science Run of KATRIN.” Phys. Rev. Lett., № 126 (9): 091803. doi: 10.1103/PhysRevLett.126.091803.
    • , and . . “Analysis methods for the first KATRIN neutrino-mass measurement.” Phys. Rev. D, № 104 (1): 012005. doi: 10.1103/PhysRevD.104.012005.
    • , and . . “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 (1): 9370. doi: 10.1038/s41598-021-88926-w.
    • , and . . “Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment.” Eur. Phys. J. C, № 81 (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.
    • , and . . “High-resolution spectroscopy of gaseous ^{83m}Kr conversion electrons with the KATRIN experiment.” J. Phys. G, № 47 (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.
    • , and . . “Solar Neutrino Detection Sensitivity in DARWIN via Electron Scattering.” European Physical Journal C, № 80: 1133. doi: 10.1140/epjc/s10052-020-08602-7.
    • . . “A White Paper on keV sterile neutrino Dark Matter.” Journal of Cosmology and Astroparticle Physics, № 2017 (1): 025. doi: 10.1088/1475-7516/2017/01/025.
    • , , , et al. . “Laser spectroscopy measurement of the 2s-hyperfine splitting in lithium-like bismuth.” Journal of Physics B: Atomic, Molecular and Optical Physics, № 50 (8) doi: 10.1088/1361-6455/aa63a0.
    • , , , et al. . “High precision hyperfine measurements in Bismuth challenge bound-state strong-field QED.” Nature Communications, № 8 (null) doi: 10.1038/ncomms15484.
    • , , , , and . “Deconvolution of the energy loss function of the KATRIN experiment.” Astroparticle Physics, № 89 (null): 30–38. doi: 10.1016/j.astropartphys.2017.01.010.
    • , , , et al. . “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 (6) doi: 10.1140/epjc/s10052-017-4972-9.
    • , , , et al. . “DARWIN: towards the ultimate dark matter detector.” Journal of Cosmology and Astroparticle Physics, № 2016 (11): 017. doi: 10.1088/1475-7516/2016/11/017.
    • , , , et al. . “Commissioning of the vacuum system of the KATRIN Main Spectrometer.” Journal of Instrumentation, № 11: P04011. doi: 10.1088/1748-0221/11/04/P04011.
    • , , , et al. . “Laser cooling of relativistic highly charged ions at fair.” in Vol. null of International Particle Accelerator Conference N/A: Selbstverlag / Eigenverlag.
    • , , , et al. . “DARWIN: Towards the ultimate dark matter detector.” Journal of Cosmology and Astroparticle Physics, № 2016 (11) doi: 10.1088/1475-7516/2016/11/017.
    • , , , et al. . “Status of deceleration and laser spectroscopy of highly charged ions at HITRAP.” Hyperfine Interactions, № 235 (null): 37–44. doi: 10.1007/s10751-015-1199-8.
    • , , , et al. . “Laser spectroscopy of the ground-state hyperfine structure in H-like and Li-like bismuth.” contribution to the 17th International Conference on the Physics of Highly Charged Ions, San Carlos de Bariloche, Argentina Bristol: IOP Publishing. doi: 10.1088/1742-6596/583/1/012002.
    • , , , et al. . “An improved value for the hyperfine splitting of hydrogen-like <sup>209</sup>Bi<sup>82+</sup>.” Journal of Physics B: Atomic, Molecular and Optical Physics, № 48 (14) doi: 10.1088/0953-4075/48/14/144022.
    • , , , et al. . “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 (3): 030501. doi: 10.1103/PhysRevA.90.030501.
    • , , , et al. . “SpecTrap: Precision spectroscopy of highly charged ions - Status and prospects.” in Vol. null doi: 10.1088/0031-8949/2013/T156/014096.
    • , , , et al. . “Laser cooling of externally produced Mg ions in a Penning trap for sympathetic cooling of highly charged ions.” Physical Review A, № 87 (3) doi: 10.1103/PhysRevA.87.033423.
    • , , , et al. . “First observation of the ground-state hyperfine transition in 209Bi80+.” in Vol. null doi: 10.1088/0031-8949/2013/T156/014016.
    • , , , , and . . “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.
    • , , , et al. . “Detection system for forward emitted photons at the Experimental Storage Ring at GSI.” Journal of Instrumentation, № 2013 (8): P09018. doi: 10.1088/1748-0221/8/09/P09018.
    • , , , et al. . “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: 10.1016/j.nima.2013.01.058.
    • , , , and . . “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 (PART 4) doi: 10.1088/1742-6596/375/1/042004.
    • , , , et al. . “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.
    • , , , et al. . “Limits on the release of Rb isotopes from a zeolite based 83mKr calibration source for the XENON project.” Journal of Instrumentation, № 6 (10) doi: 10.1088/1748-0221/6/10/P10013.
    • , , , , , and . . “A contact-less 2-dimensional laser sensor for 3-dimensional wire position and tension measurements.” IEEE Transactions on Nuclear Science, № 57 (2 PART 2): 787–792. doi: 10.1109/TNS.2010.2042612.
    • , , , et al. . “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.
    • , , , et al. . “Characterization of LN2 cooled LAAPDs for single photon counting applications.” IEEE Nuclear Science Symposium Conference Record: 2475–2477.
    • , , , et al. . “The Wire Electrode of the KATRIN Experiment.” XXIII CONFERENCE ON NEUTRINO PHYSICS AND ASTROPHYSICS, № 136: –.
    • , , , , , and . . “Contactless 2-dim laser sensor for 3-dim wire position and tension measurements.” IEEE Nuclear Science Symposium Conference Record: 1025–1029.
    • , , , et al. . “Proton scattering at intermediate energies on Ni58: How well is it understood?” Physical Review C, № 76 (1) doi: 10.1103/PhysRevC.76.014314.
    • , , , et al. . “Spin-isospin excitations in the medium-mass nucleus 58Co investigated with the (d, 2He) reaction.” Physical Review C, № 71 (1): 231–239. doi: 10.1103/PhysRevC.71.014606.
    • , , , et al. . “Polarized proton scattering on 58Ni at small momentum transfer: A test of the microscopic optical model and effective interactions.” Physics Letters B, № 612 (3-4): 165–172.
    • , , , et al. . “High-resolution determination of GT strength distributions relevant to the presupernova evolution using the (d,2He) reaction.” Physics Letters B, № 579 (3-4): 251–257.
    • , , , et al. . “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 (1-3): 68–83. doi: 10.1016/S0168-9002(02)02117-4.
    • , , , et al. . “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 (5): 543211–543218.
    • , , , et al. . “Measurement and microscopic analysis of the 11B(p→,p→) reaction at E p = 150 MeV. I. Inelastic scattering.” Physical Review C, № 67 (5): 543201–5432015.
    • , , , et al. . “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 (1-4): 131c–134c. doi: 10.1016/S0375-9474(03)00982-5.
    • , , , , and . . “End-to-end simulations for the LISA Technology Package.” Classical and Quantum Gravity, № 20 (10): S261–S271. doi: 10.1088/0264-9381/20/10/329.
    • , , , et al. . “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 (1-3): 253–261. doi: 10.1016/S0168-9002(01)01365-1.
    • , , , et al. . “Gamow-teller matrix elements from the 12C(d, 2He) and 24Mg(d, 2He) reactions at 170 MeV.” Physical Review C, № 65 (4): 443231–443238.
    • , , , et al. . “Search for three-nucleon force effects in analyzing powers for →pd elastic scattering.” Physical Review Letters, № 86 (26 I): 5862–5865. doi: 10.1103/PhysRevLett.86.5862.
    • , , , et al. . “Performance of the KVI in-beam polarimeter.” Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, № 457 (1-2): 12–21. doi: 10.1016/S0168-9002(00)00741-5.
    • , , , et al. . “Observation of the isovector giant monopole resonances in the (3He, t) reaction.” Nuclear Physics A, № 687 (1-2): 262c–269c. doi: 10.1016/S0375-9474(01)00630-3.
    • , , , et al. . “Investigation of effects beyond two-body forces in three-nucleon systems.” Nuclear Physics A, № 689 (1-2): 337c–340c. doi: 10.1016/S0375-9474(01)00849-1.
    • , , , et al. . “Deuteron elastic and inelastic scattering from 12C, 24Mg, and 58Ni at 170 MeV.” Physical Review C, № 63 (3): 376011–376014.
    • , , , et al. . “Search for Isovector Giant Monopole Resonances via the Pb( 3He,tp) Reaction.” Physical Review Letters, № 84 (17): 3779–3782. doi: 10.1103/PhysRevLett.84.3779.
    • , , , et al. . “Performance of an ASD-8 based wire chamber readout system.” IEEE Transactions on Nuclear Science, № 47 (6 IV): 2741–2747. doi: 10.1109/23.901181.
    • , , , et al. . “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 (1): 236–238. doi: 10.1016/S0168-9002(99)00248-X.
    • , , , et al. . “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 (2-3): 459–470. doi: 10.1016/S0168-9002(99)00803-7.