World's Best Scientists 2026 revealed!
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Klaus Blaum

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 89 2323 2212 208 199 707 27526

Klaus Blaum publications per year

The chart shows the history of publications by Klaus Blaum between 1997 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Klaus Blaum published across 29 years, from 1997 to 2025, averaging 28.5 papers a year. Output peaked at 57 publications in 2011. 53 of the 826 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1997 to 2025. Vertical axis: number of publications, 0 to 57. Peak 57 publications in 2011. 1997: 1 publication 1998: 7 publications 1999: 3 publications 2000: 5 publications 2001: 1 publication 2002: 9 publications 2003: 22 publications 2004: 14 publications 2005: 26 publications 2006: 27 publications 2007: 16 publications 2008: 30 publications 2009: 38 publications 2010: 46 publications 2011: 57 publications 2012: 49 publications 2013: 48 publications 2014: 56 publications 2015: 46 publications 2016: 40 publications 2017: 45 publications 2018: 33 publications 2019: 41 publications 2020: 35 publications 2021: 25 publications 2022: 16 publications 2023: 37 publications 2024: 24 publications 2025: 29 publications
1997 2025

826 publications in total across all disciplines

View publications per year as a table
Klaus Blaum: publications per year, 1997 to 2025
Year Publications
1997 1
1998 7
1999 3
2000 5
2001 1
2002 9
2003 22
2004 14
2005 26
2006 27
2007 16
2008 30
2009 38
2010 46
2011 57
2012 49
2013 48
2014 56
2015 46
2016 40
2017 45
2018 33
2019 41
2020 35
2021 25
2022 16
2023 37
2024 24
2025 29
Total 826
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Klaus Blaum publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Klaus Blaum sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 703–722 publications, is where this scientist sits. 103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103–122 publications 1,469+

This scientist: 707 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162
343–362 155
363–382 156
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48 707
723–742 64
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
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Klaus Blaum D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Klaus Blaum sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 88–89 D-Index, is where this scientist sits. 70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70–71 D-Index 185+

This scientist: 89 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110
74–75 143
76–77 153
78–79 144
80–81 167
82–83 167
84–85 166
86–87 132
88–89 155 89
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78
114–115 75
116–117 67
118–119 69
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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Research.com Recognitions

  • 2008 - Fellow of American Physical Society (APS) Citation For contribution to highprecision experiments with cooled and stored ions, especially highprecision mass spectrometry on highlycharged ions and shortlived radionuclides, and laser spectroscopy and magnetic moment measurements for fundamental studies

Overview

Klaus Blaum is affiliated with the Max Planck Society in Germany and conducts research primarily in the field of Physics and Astronomy. Their work spans several subfields, including Nuclear and High Energy Physics, Atomic and Molecular Physics and Optics, Radiation, Spectroscopy, and Aerospace Engineering.

The main topics that characterize their research include Nuclear physics research studies, Atomic and Molecular Physics, Astronomical and nuclear sciences, Nuclear Physics and Applications, Atomic and Subatomic Physics Research, Quantum Chromodynamics and Particle Interactions, and Neutrino Physics Research.

Their recent notable publications include:

  • "Laser Spectroscopy of Neutron-Rich Hg-207,208 Isotopes: Illuminating the Kink and Odd-Even Staggering in Charge Radii across the N=126 Shell Closure," 2021, Physical Review Letters
  • "A 16-parts-per-trillion measurement of the antiproton-to-proton charge-mass ratio," 2022, Nature
  • "The design, construction, and commissioning of the KATRIN experiment," 2021, Journal of Instrumentation
  • "Constraints on the Coupling between Axionlike Dark Matter and Photons Using an Antiproton Superconducting Tuned Detection Circuit in a Cryogenic Penning Trap," 2021, Physical Review Letters
  • "Neutrinoless double-electron capture," 2020, Reviews of Modern Physics

Frequent coauthors contributing to their publications include Yu. A. Litvinov, Christoph H. Keitel, S. Ulmer, S. Eliseev, and L. Schweikhard. These collaborations have contributed to a breadth of work primarily published across several key journals and venues.

Their work is often published in notable scientific journals such as Physical Review Letters, arXiv (Cornell University), Physical Review C, Nature, and Review of Scientific Instruments.

Klaus Blaum was recognized as a Fellow of the American Physical Society in 2008 for contributions to high-precision experiments with cooled and stored ions, high-precision mass spectrometry on highly charged ions and short-lived radionuclides, and laser spectroscopy and magnetic moment measurements for fundamental studies.

Best Publications

  • High-accuracy mass spectrometry with stored ions

    Klaus Blaum

  • Improved Upper Limit on the Neutrino Mass from a Direct Kinematic Method by KATRIN

    M. Aker;K. Altenmüller;M. Arenz;M. Babutzka

  • Masses of exotic calcium isotopes pin down nuclear forces

    Frank Wienholtz;D. Beck;Klaus Blaum;Ch. Borgmann

  • Unexpectedly large charge radii of neutron-rich calcium isotopes

    R.F. Garcia Ruiz;M.L. Bissell;M.L. Bissell;Klaus Blaum;A. Ekström;A. Ekström

  • High-precision measurement of the atomic mass of the electron

    S. Sturm;F. Köhler;J. Zatorski;A. Wagner

  • From direct to absolute mass measurements: A study of the accuracy of ISOLTRAP

    A. Kellerbauer;K. Blaum;G. Bollen;F. Herfurth

  • First Penning Trap Mass Measurements beyond the Proton Drip Line

    C. Rauth;D. Ackermann;Klaus Blaum;M. Block

  • Precision Atomic Physics Techniques for Nuclear Physics with Radioactive Beams

    Klaus Blaum;Jens Dilling;Jens Dilling;Wilfried Nörtershäuser;Wilfried Nörtershäuser

  • ISOLTRAP: An on-line Penning trap for mass spectrometry on short-lived nuclides

    M. Mukherjee;D. Beck;K. Blaum;G. Bollen

  • Measurement of the spin and magnetic moment of 31Mg: evidence for a strongly deformed intruder ground state.

    Gerda Neyens;M Kowalska;Deyan Yordanov;K Blaum

  • Nuclear charge radii of 7,9,10Be and the one-neutron halo nucleus 11Be.

    Wilfried Nörtershäuser;D. Tiedemann;M. Záková;Z. Andjelkovic

  • Mass measurements of the neutron-deficient 41Ti, 45Cr, 49Fe, and 53Ni nuclides: first test of the isobaric multiplet mass equation in f p-shell nuclei.

    Y. H. Zhang;H. S. Xu;Yu. A. Litvinov;X. L. Tu

  • Direct mass measurements above uranium bridge the gap to the island of stability

    Michael Block;D. Ackermann;Klaus Blaum;C. Droese

  • Phase-Imaging Ion-Cyclotron-Resonance Measurements for Short-Lived Nuclides

    Sergey Eliseev;Klaus Blaum;M. Block;C. Droese

  • Direct mass measurements of short-lived A=2Z-1 nuclides (63)Ge, (65)As, (67)Se, and (71)Kr and their impact on nucleosynthesis in the rp process

    X.L. Tu;H.S. Xu;M. Wang;Y.H. Zhang

  • ISOLTRAP's multi-reflection time-of-flight mass separator/spectrometer

    R.N. Wolf;F. Wienholtz;D. Atanasov;D. Beck

  • g Factor of Hydrogenlike 28Si13

    Sven Sturm;Anke Wagner;Anke Wagner;Birgit Schabinger;Birgit Schabinger;Jacek Zatorski

  • The Ramsey method in high-precision mass spectrometry with Penning traps: Experimental results

    S. George;K. Blaum;F. Herfurth;A. Herlert

  • Direct Measurement of the Mass Difference of $^{163}$Ho and $^{163}$Dy Solves the $Q$-Value Puzzle for the Neutrino Mass Determination

    S. Eliseev;K. Blaum;M. Block;S. Chenmarev;S. Chenmarev

  • High-precision comparison of the antiproton-to-proton charge-to-mass ratio.

    S. Ulmer;C. Smorra;A. Mooser;Kurt Franke

Frequent Co-Authors

Kai Zuber
Kai Zuber TU Dresden
Andreas Wolf
Andreas Wolf Max Planck Society
Igor Tkachev
Igor Tkachev Russian Academy of Sciences

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Takaharu Otsuka

University of Tokyo

Publications: 42

Joel N. Ullom

Joel N. Ullom

National Institute of Standards and Technology

Publications: 32

Witold Nazarewicz

Witold Nazarewicz

Michigan State University

Publications: 29

Achim Schwenk

Achim Schwenk

Technical University of Darmstadt

Publications: 29

Andreas Wolf

Andreas Wolf

Max Planck Society

Publications: 27

Jie Meng

Jie Meng

Peking University

Publications: 25

Christoph H. Keitel

Christoph H. Keitel

Max Planck Society

Publications: 23

G. Pessina

G. Pessina

University of Milano-Bicocca

Publications: 22

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G. Münzenberg

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Publications: 22

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Ch. Weinheimer

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Publications: 22

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