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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 76 3337 3173 1578 1470 632 19336

R. A. Mewaldt publications per year

The chart shows the history of publications by R. A. Mewaldt between 1967 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. R. A. Mewaldt published across 59 years, from 1967 to 2025, averaging 11.1 papers a year. Output peaked at 53 publications in 2001. 9 of the 652 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1967 to 2025. Vertical axis: number of publications, 0 to 53. Peak 53 publications in 2001. 1967: 1 publication 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 1 publication 1972: 0 publications 1973: 3 publications 1974: 2 publications 1975: 5 publications 1976: 3 publications 1977: 1 publication 1978: 2 publications 1979: 3 publications 1980: 2 publications 1981: 3 publications 1982: 1 publication 1983: 2 publications 1984: 2 publications 1985: 0 publications 1986: 2 publications 1987: 1 publication 1988: 2 publications 1989: 2 publications 1990: 6 publications 1991: 10 publications 1992: 3 publications 1993: 16 publications 1994: 7 publications 1995: 22 publications 1996: 26 publications 1997: 18 publications 1998: 16 publications 1999: 35 publications 2000: 31 publications 2001: 53 publications 2002: 11 publications 2003: 19 publications 2004: 8 publications 2005: 34 publications 2006: 16 publications 2007: 33 publications 2008: 27 publications 2009: 27 publications 2010: 19 publications 2011: 7 publications 2012: 17 publications 2013: 16 publications 2014: 15 publications 2015: 5 publications 2016: 26 publications 2017: 16 publications 2018: 4 publications 2019: 19 publications 2020: 12 publications 2021: 18 publications 2022: 3 publications 2023: 9 publications 2024: 5 publications 2025: 4 publications
1967 2025

652 publications in total across all disciplines

View publications per year as a table
R. A. Mewaldt: publications per year, 1967 to 2025
Year Publications
1967 1
1968 1
1969 0
1970 0
1971 1
1972 0
1973 3
1974 2
1975 5
1976 3
1977 1
1978 2
1979 3
1980 2
1981 3
1982 1
1983 2
1984 2
1985 0
1986 2
1987 1
1988 2
1989 2
1990 6
1991 10
1992 3
1993 16
1994 7
1995 22
1996 26
1997 18
1998 16
1999 35
2000 31
2001 53
2002 11
2003 19
2004 8
2005 34
2006 16
2007 33
2008 27
2009 27
2010 19
2011 7
2012 17
2013 16
2014 15
2015 5
2016 26
2017 16
2018 4
2019 19
2020 12
2021 18
2022 3
2023 9
2024 5
2025 4
Total 652
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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.

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, 623–642 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: 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.

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 76 632
643–662 60
663–682 54
683–702 60
703–722 48
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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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.

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, 76–77 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: 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.

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 76
78–79 144
80–81 167
82–83 167
84–85 166
86–87 132
88–89 155
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

  • 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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