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K. Blaum

Johannes Gutenberg University Mainz · DE
Area of research
Nuclear and High Energy Physics · Atomic and Molecular Physics, and Optics
Research interest
Research focused on Nuclear physics and Nuclide, with related work in Isotope, Antiproton, Neutrino. Notable publications include 'Improved Upper Limit on the Neutrino Mass from a Direct Kinematic Method by KATRIN', 'Unexpectedly large charge radii of neutron-rich calcium isotopes', and 'Precision atomic physics techniques for nuclear physics with radioactive beams'.
h-index
citations
4,974
works
117
NIH funding
primary concept
email

Recent publications

Refining the nuclear mass surface with the mass of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mmultiscripts> <mml:mi>Sn</mml:mi> <mml:mprescripts/> <mml:none/> <mml:mn>103</mml:mn> </mml:mmultiscripts> </mml:math>
Physical review. C 2025cited by 8position: middledoi
Charge Radii of Neutron-Rich Scandium Isotopes and the Seniority Symmetry in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>0</mml:mn><mml:msub><mml:mi>f</mml:mi><mml:mrow><mml:mn>7</mml:mn><mml:mo>/</mml:mo><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:math> Shell
Physical Review Letters 2025cited by 8position: middledoi
Charge Radii Measurements of Exotic Tin Isotopes in the Proximity of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>N</mml:mi> <mml:mo>=</mml:mo> <mml:mn>50</mml:mn> </mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mi>N</mml:mi> <mml:mo>=</mml:mo> <mml:mn>82</mml:mn> </mml:math>
Physical Review Letters 2025cited by 3position: middledoi
Proton transport from the antimatter factory of CERN
Nature 2025cited by 2position: middledoi
Coherent spectroscopy with a single antiproton spin
Nature 2025cited by 2position: middledoi
Penning-trap measurement of the Q value of electron capture in 163Ho for the determination of the electron neutrino mass
Nature Physics 2024cited by 15position: lastdoi
Electromagnetic moments of the odd-mass nickel isotopes 59−67Ni
Physics Letters B 2024cited by 6position: middledoi
Orders of Magnitude Improved Cyclotron-Mode Cooling for Nondestructive Spin Quantum Transition Spectroscopy with Single Trapped Antiprotons
Physical Review Letters 2024cited by 5position: middledoi
Nuclear charge radii of germanium isotopes around N = 40
Physics Letters B 2024cited by 4position: middledoi
Deformation versus Sphericity in the Ground States of the Lightest Gold Isotopes
Physical Review Letters 2023cited by 20position: middledoi
Isomeric Excitation Energy for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>In</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>99</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow><mml:mi>m</mml:mi></mml:msup></mml:math> from Mass Spectrometry Reveals Constant Trend Next to Doubly Magic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:
Physical Review Letters 2023cited by 19position: middledoi
Nuclear Charge Radius of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Al</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>26</mml:mn><mml:mi>m</mml:mi></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> and Its Implication for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">V</mml:mi></mml:mrow><mml:mrow><mml:mi>u</mml
Physical Review Letters 2023cited by 15position: middledoi
Electromagnetic moments of the antimony isotopes 112−133Sb
Physics Letters B 2023cited by 12position: middledoi
First application of the phase-imaging ion-cyclotron resonance technique at TRIGA-Trap
The European Physical Journal A 2023cited by 7position: middledoi
BASE-STEP: A transportable antiproton reservoir for fundamental interaction studies
Review of Scientific Instruments 2023cited by 6position: middledoi
A 16-parts-per-trillion measurement of the antiproton-to-proton charge–mass ratio
Nature 2022cited by 81position: middledoi
Direct measurement of the 3He+ magnetic moments
Nature 2022cited by 50position: lastdoi
Sympathetic cooling schemes for separately trapped ions coupled via image currents
New Journal of Physics 2022cited by 19position: middledoi
Direct high-precision mass spectrometry of superheavy elements with SHIPTRAP
Physical review. C 2022cited by 17position: middledoi
A high-Q superconducting toroidal medium frequency detection system with a capacitively adjustable frequency range &amp;gt;180 kHz
Review of Scientific Instruments 2022cited by 5position: middledoi
Laser Spectroscopy of Neutron-Rich <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Hg</mml:mi></mml:mrow><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>207</mml:mn><mml:mo>,</mml:mo><mml:mn>208</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math> Isotopes: Illuminating the Kink and Odd-Even Staggering in Charge Radii across the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>N</mml
Physical Review Letters 2021cited by 79position: middledoi
The design, construction, and commissioning of the KATRIN experiment
Journal of Instrumentation 2021cited by 71position: middledoi
Constraints on the Coupling between Axionlike Dark Matter and Photons Using an Antiproton Superconducting Tuned Detection Circuit in a Cryogenic Penning Trap
Physical Review Letters 2021cited by 67position: middledoi
Mass measurements of 99–101In challenge ab initio nuclear theory of the nuclide 100Sn
Nature Physics 2021cited by 54position: middledoi
Analysis methods for the first KATRIN neutrino-mass measurement
Physical review. D/Physical review. D. 2021cited by 51position: middledoi
Bound on <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mn>3</mml:mn><mml:mo>+</mml:mo><mml:mn>1</mml:mn></mml:mrow></mml:math> Active-Sterile Neutrino Mixing from the First Four-Week Science Run of KATRIN
Physical Review Letters 2021cited by 42position: middledoi
High-resolution laser spectroscopy of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Al</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>27</mml:mn><mml:mo>–</mml:mo><mml:mn>32</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>
Physical review. C 2021cited by 36position: middledoi
Sympathetic cooling of a trapped proton mediated by an LC circuit
RePEc: Research Papers in Economics 2021cited by 35position: middledoi
Charge radii, moments, and masses of mercury isotopes across the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn>126</mml:mn></mml:mrow></mml:math> shell closure
Physical review. C 2021cited by 15position: middledoi
Probing the single-particle behavior above <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Sn</mml:mi><mml:mprescripts/><mml:none/><mml:mn>132</mml:mn></mml:mmultiscripts></mml:math> via electromagnetic moments of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Sb</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>133</mml:mn><mml:mo>,</mml:mo><mml:mn>134</mml:mn></mml:mrow></mml:mmultiscripts></mml:math> and <mml:math x
Physical review. C 2021cited by 9position: middledoi

Grants

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Frequent collaborators

· 26 papers (2012–2025)S. Ulmer · Johannes Gutenberg University Mainz22 papers (2012–2025)C. Smorra · Johannes Gutenberg University Mainz21 papers (2012–2025)A. Mooser · Johannes Gutenberg University Mainz21 papers (2012–2025)J. Walz · Johannes Gutenberg University Mainz21 papers (2012–2025)W. Nörtershäuser · GSI Helmholtz Centre for Heavy Ion Research19 papers (2012–2023)G. Neyens · KU Leuven18 papers (2014–2023) · 18 papers (2014–2023)R. Neugart · Johannes Gutenberg University Mainz18 papers (2014–2023)M. L. Bissell · University of Manchester17 papers (2014–2023)Y. Matsuda · Johannes Gutenberg University Mainz15 papers (2013–2025)L. Schweikhard · Columbia University14 papers (2012–2025)C. Ospelkaus · Johannes Gutenberg University Mainz13 papers (2014–2025)Y. Yamazaki · Michigan State University12 papers (2013–2025)M. Block · Johannes Gutenberg University Mainz12 papers (2012–2023)Ch. E. Düllmann · Johannes Gutenberg University Mainz12 papers (2012–2024)B. Cheal · University of Manchester11 papers (2015–2023) · 11 papers (2012–2024)M. Bohman · Argonne National Laboratory10 papers (2017–2022) · 10 papers (2014–2018)