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D-Index & Metrics

Physics

D-Index
76
Citations
19336
World Ranking
3337
National Ranking
1578

R. A. Mewaldt 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 R. A. Mewaldt sits on this spectrum.

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 publications 1,469+

This scientist: 632 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

R. A. Mewaldt 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 R. A. Mewaldt sits on this spectrum.

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 D-Index 185+

This scientist: 76 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2010 - Fellow of American Geophysical Union (AGU)
  • 1989 - Fellow of American Physical Society (APS) Citation For his seminal contributions to the measurement and understanding of the isotopic abundances of cosmic rays and solar energetic particles

Overview

R. A. Mewaldt is affiliated with the California Institute of Technology in the United States. Their research contributions focus primarily within the broad field of Physics and Astronomy, with specific attention to several subfields such as Astronomy and Astrophysics, Artificial Intelligence, Pulmonary and Respiratory Medicine, Nuclear and High Energy Physics, and Geophysics.

Their main research topics reflect a concentration on Solar and Space Plasma Dynamics, Astro and Planetary Science, Solar Radiation and Photovoltaics, Ionosphere and magnetosphere dynamics, Radiation Therapy and Dosimetry, Gamma-ray bursts and supernovae, and broader Stellar, planetary, and galactic studies.

R. A. Mewaldt has published extensively in several scientific journals and venues. Notable frequent publication venues include:

  • The Astrophysical Journal
  • Astronomy and Astrophysics
  • The Astrophysical Journal Supplement Series
  • Proceedings of 37th International Cosmic Ray Conference - PoS(ICRC2021)
  • arXiv (Cornell University)

Their collaboration network involves frequent co-authors such as C. M. S. Cohen, N. A. Schwadron, M. E. Wiedenbeck, E. R. Christian, and D. J. McComas.

Among recent papers authored or co-authored by R. A. Mewaldt are:

  • "Energetic Particle Increases Associated with Stream Interaction Regions", 2020, The Astrophysical Journal Supplement Series
  • "Solar Energetic Particles Produced by a Slow Coronal Mass Ejection at ∼0.25 au", 2020, The Astrophysical Journal Supplement Series
  • "Properties of Suprathermal-through-energetic He Ions Associated with Stream Interaction Regions Observed over the Parker Solar Probe's First Two Orbits", 2020, The Astrophysical Journal Supplement Series
  • "Observations of the 2019 April 4 Solar Energetic Particle Event at the Parker Solar Probe", 2020, The Astrophysical Journal Supplement Series
  • "³He-rich Solar Energetic Particle Observations at the Parker Solar Probe and near Earth", 2020, The Astrophysical Journal Supplement Series

R. A. Mewaldt's scientific career includes recognition through awards such as the Fellow of the American Geophysical Union (AGU) awarded in 2010, and the Fellow of the American Physical Society (APS) awarded in 1989, with a citation for seminal contributions to the measurement and understanding of the isotopic abundances of cosmic rays and solar energetic particles.

Best Publications

  • The Advanced Composition Explorer

    E. C. Stone;A. M. Frandsen;R. A. Mewaldt;E. R. Christian

  • Global Energetics of Thirty-Eight Large Solar Eruptive Events

    A. G. Emslie;B. R. Dennis;A. Y. Shih;P. C. Chamberlin

  • Shock Geometry, Seed Populations, and the Origin of Variable Elemental Composition at High Energies in Large Gradual Solar Particle Events

    A. J. Tylka;C. M. S. Cohen;W. F. Dietrich;M. A. Lee

  • STEREO IMPACT Investigation Goals, Measurements, and Data Products Overview

    J. G. Luhmann;D. W. Curtis;P. Schroeder;J. McCauley

  • Energy partition in two solar flare/CME events

    A. G. Emslie;A. G. Emslie;H. Kucharek;B. R. Dennis;N. Gopalswamy

  • Discovery of very large amplitude whistler-mode waves in Earth's radiation belts

    C. Cattell;J. R. Wygant;K. Goetz;K. Kersten

  • The Solar Isotope Spectrometer for the Advanced Composition Explorer

    E. C. Stone;C. M. S. Cohen;W. R. Cook;A. C. Cummings

  • Relativistic Electron Acceleration and Decay Time Scales in the Inner and Outer Radiation Belts: SAMPEX

    D. N. Baker;J. B. Blake;L. B. Callis;J. R. Cummings

  • The Absolute Flux of Protons and Helium at the Top of the Atmosphere Using IMAX

    W. Menn;M. Hof;O. Reimer;O. Reimer;M. Simon

  • Measurement of the Secondary Radionuclides 10Be, 26Al, 36Cl, 54Mn, and 14C and Implications for the Galactic Cosmic-Ray Age

    Nathan Eugene Yanasak;Nathan Eugene Yanasak;M. E. Wiedenbeck;R. A. Mewaldt;A. J. Davis

  • Proton, helium, and electron spectra during the large solar particle events of October-November 2003

    R. A. Mewaldt;C. M. S. Cohen;A. W. Labrador;R. A. Leske

  • > 25 MeV Proton Events Observed by the High Energy Telescopes on the STEREO A and B Spacecraft and/or at Earth During the First ∼ Seven Years of the STEREO Mission

    I. G. Richardson;I. G. Richardson;T. T. von Rosenvinge;H. V. Cane;E. R. Christian

  • THE COSMIC-RAY ISOTOPE SPECTROMETER FOR THE ADVANCED COMPOSITION EXPLORER

    E. C. Stone;C. M. S. Cohen;W. R. Cook;A. C. Cummings

  • Energy Spectra, Composition, and Other Properties of Ground-Level Events During Solar Cycle 23

    R. A. Mewaldt;M. D. Looper;C. M. S. Cohen;D. K. Haggerty

  • Acceleration and Transport of Energetic Particles Observed in the Heliosphere.

    Richard A. Mewaldt;J. R. Jokipii;Martin A. Lee;Eberhard Möbius

  • RECORD-SETTING COSMIC-RAY INTENSITIES IN 2009 AND 2010

    R. A. Mewaldt;A. J. Davis;K. A. Lave;R. A. Leske

  • Measurement of 0.25–3.2 GeV Antiprotons in the Cosmic Radiation

    J. W. Mitchell;L. M. Barbier;E. R. Christian;J. F. Krizmanic

  • Two components in major solar particle events

    H. V. Cane;T. T. von Rosenvinge;C. M. S. Cohen;R. A. Mewaldt

  • Recurrent geomagnetic storms and relativistic electron enhancements in the outer magnetosphere: ISTP coordinated measurements

    D N Baker;X Li;Niescja E Turner;J H Allen

  • Solar eruptions and energetic particles

    Natchimuthukonar Gopalswamy;Richard Mewaldt;Jarmo Torsti

Frequent Co-Authors

E. C. Stone
E. C. Stone California Institute of Technology
Nathan A. Schwadron
Nathan A. Schwadron University of New Hampshire
Stamatios M. Krimigis
Stamatios M. Krimigis Johns Hopkins University Applied Physics Laboratory
J. B. Blake
J. B. Blake The Aerospace Corporation
Angelos Vourlidas
Angelos Vourlidas Johns Hopkins University Applied Physics Laboratory
Stuart D. Bale
Stuart D. Bale University of California, Berkeley
Daniel N. Baker
Daniel N. Baker University of Colorado Boulder
Olaf Reimer
Olaf Reimer University of Innsbruck
Ralph L. McNutt
Ralph L. McNutt Johns Hopkins University Applied Physics Laboratory
Justin C. Kasper
Justin C. Kasper University of Michigan–Ann Arbor

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