World's Best Scientists 2026 revealed!
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E. Hays
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Best Female Scientists
2025

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Best Female Scientists 134 300 285 186 176 340 65424
Physics 138 433 418 246 237 340 69107

E. Hays publications per year

The chart shows the history of publications by E. Hays between 2003 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. E. Hays published across 24 years, from 2003 to 2026, averaging 14.7 papers a year. Output peaked at 59 publications in 2010. 7 of the 353 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 2003 to 2026. Vertical axis: number of publications, 0 to 59. Peak 59 publications in 2010. 2003: 1 publication 2004: 2 publications 2005: 2 publications 2006: 4 publications 2007: 7 publications 2008: 12 publications 2009: 56 publications 2010: 59 publications 2011: 27 publications 2012: 23 publications 2013: 13 publications 2014: 18 publications 2015: 27 publications 2016: 21 publications 2017: 13 publications 2018: 8 publications 2019: 23 publications 2020: 8 publications 2021: 7 publications 2022: 3 publications 2023: 4 publications 2024: 8 publications 2025: 6 publications 2026: 1 publication
2003 2026

353 publications in total across all disciplines

View publications per year as a table
E. Hays: publications per year, 2003 to 2026
Year Publications
2003 1
2004 2
2005 2
2006 4
2007 7
2008 12
2009 56
2010 59
2011 27
2012 23
2013 13
2014 18
2015 27
2016 21
2017 13
2018 8
2019 23
2020 8
2021 7
2022 3
2023 4
2024 8
2025 6
2026 1
Total 353
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E. Hays 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 E. Hays 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, 323–342 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: 340 publications — 25th percentile

25% 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
323–342 162 340
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
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
Download as CSV

E. Hays 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 E. Hays 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, 138–139 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: 138 D-Index — 88th percentile

88% 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
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 24 138
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
Download as CSV

Research.com Recognitions

  • 2025 - Research.com Best Female Scientists Award
  • 2014 - Fellow of American Physical Society (APS) Citation For her discovery of high energy gammaray flares from the Crab nebula in Fermi data and her major contributions to the success of Fermi

Overview

E. Hays is a researcher affiliated with the Goddard Space Flight Center in the United States, primarily working in the field of Physics and Astronomy. Their research spans several specialized subfields, including Nuclear and High Energy Physics, Astronomy and Astrophysics, Electrical and Electronic Engineering, Cardiology and Cardiovascular Medicine, and Public Health, Environmental and Occupational Health.

The scientist's work focuses on several main topics within astrophysics and related areas. These include Astrophysics and Cosmic Phenomena, Gamma-ray bursts and supernovae, Radio Astronomy Observations and Technology, Dark Matter and Cosmic Phenomena, Astrophysical Phenomena and Observations, Pulsars and Gravitational Waves Research, and Neutrino Physics Research.

Hays has published extensively in notable venues, with frequent publications in

  • The Astrophysical Journal Supplement Series
  • arXiv (Cornell University)
  • The Astrophysical Journal
  • The Astrophysical Journal Letters
  • Nature Astronomy

Some recent papers include:

  • Fermi Large Area Telescope Fourth Source Catalog, 2020, The Astrophysical Journal Supplement Series
  • Incremental Fermi Large Area Telescope Fourth Source Catalog, 2022, The Astrophysical Journal Supplement Series
  • The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope, 2020, The Astrophysical Journal
  • The POEMMA (Probe of Extreme Multi-Messenger Astrophysics) Observatory, 2020, Institutional Research Information System University of Turin (University of Turin)
  • Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow, 2023, The Astrophysical Journal Letters

Throughout their work, E. Hays has frequently collaborated with other researchers such as E. Bissaldi, R. Bonino, R. A. Cameron, S. Cutini, and F. D'Ammando, each appearing as a coauthor on multiple publications.

In 2014, Hays was recognized as a Fellow of the American Physical Society (APS) for contributions related to the discovery of high-energy gamma-ray flares from the Crab nebula in Fermi data and other contributions to the Fermi mission.

Best Publications

  • The Large Area Telescope on the Fermi Gamma-ray Space Telescope Mission

    W. B. Atwood;A. A. Abdo;A. A. Abdo;M. Ackermann;W. Althouse

  • FERMI LARGE AREA TELESCOPE FIRST SOURCE CATALOG

    A.A. Abdo;A.A. Abdo;Markus Ackermann;Marco Ajello;A. Allafort

  • Fermi Large Area Telescope Second Source Catalog

    P. L. Nolan;A. A. Abdo;A. A. Abdo;M. Ackermann;M. Ajello

  • Measurement of the Cosmic Ray e+ + e- spectrum from 20 GeV to 1 TeV with the Fermi Large Area Telescope.

    A. A. Abdo;M. Ackermann;M. Ajello;M. Axelsson

  • Fermi Large Area Telescope Fourth Source Catalog Data Release 2

    J. Ballet;T.H. Burnett;S.W. Digel;B. Lott

  • Searching for dark matter annihilation from Milky Way dwarf spheroidal galaxies with six years of Fermi Large Area Telescope data

    M. Ackermann;A. Albert;B. Anderson;W. B. Atwood

  • THE SPECTRAL ENERGY DISTRIBUTION OF FERMI BRIGHT BLAZARS

    A. A. Abdo;A. A. Abdo;M. Ackermann;I. Agudo;M. Ajello

  • The Spectral Energy Distribution of Fermi bright blazars

    A. A. Abdo;M. Ackermann;M. Ajello;M. Axelsson

  • The second catalog of active galactic nuclei detected by the Fermi Large Area Telescope

    Markus Ackermann;Marco Ajello;A. Allafort;E. Antolini;E. Antolini

  • Detection of the characteristic pion-decay signature in supernova remnants

    Markus Ackermann;Marco Ajello;A. Allafort;Luca Baldini

  • The Second Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

    M. Ackermann;M. Ajello;A. Allafort;E. Antolini

  • THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS

    A. A. Abdo;A. A. Abdo;M. Ajello;A. Allafort;L. Baldini

  • Fermi-LAT observations of the diffuse γ-ray emission: implications for cosmic rays and the interstellar medium

    M. Ackermann;M. Ajello;W. B. Atwood;L. Baldini

  • The spectrum of isotropic diffuse gamma-ray emission between 100 MeV and 820 GeV

    M. Ackermann;M. Ajello;A. Albert

  • The spectrum of isotropic diffuse gamma-ray emission between 100 MeV and 820 GeV

    M. Ackermann;M. Ajello;A. Albert;W. B. Atwood

  • The First Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

    A. A. Abdo;A. A. Abdo;Markus Ackermann;Marco Ajello;A. Allafort

  • Fermi/Large Area Telescope bright gamma-ray source list

    A. A. Abdo;A. A. Abdo;M. Ackermann;M. Ajello;W. B. Atwood

  • A limit on the variation of the speed of light arising from quantum gravity effects

    A. A. Abdo;M. Ackermann;M. Ajello;K. Asano

  • Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope

    M. Ackermann;M. Ajello;A. Albert;W. B. Atwood

  • The fermi large area telescope on orbit: Event classification, instrument response functions, and calibration

    Markus Ackermann;Marco Ajello;A. Albert;A. Allafort

Frequent Co-Authors

Diego F. Torres
Diego F. Torres Institute of Space Sciences
Julie McEnery
Julie McEnery Goddard Space Flight Center
G. Tosti
G. Tosti University of Perugia
Olaf Reimer
Olaf Reimer University of Innsbruck
C. C. Cheung
C. C. Cheung United States Naval Research Laboratory
Igor V. Moskalenko
Igor V. Moskalenko Stanford University
A. Morselli
A. Morselli National Institute for Nuclear Physics
Peter F. Michelson
Peter F. Michelson Stanford University
Marco Ajello
Marco Ajello Clemson University
Yasushi Fukazawa
Yasushi Fukazawa Hiroshima University

External Links

Personal website of E. Hays

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Best Scientists Citing E. Hays

Diego F. Torres

Diego F. Torres

Institute of Space Sciences

Publications: 361

Felix Aharonian

Felix Aharonian

Dublin Institute For Advanced Studies

Publications: 318

Fabrizio Tavecchio

Fabrizio Tavecchio

National Institute for Astrophysics

Publications: 196

Marcello Giroletti

Marcello Giroletti

National Institute for Astrophysics

Publications: 189

Stefano Covino

Stefano Covino

National Institute for Astrophysics

Publications: 187

Olaf Reimer

Olaf Reimer

University of Innsbruck

Publications: 181

Martin Pohl

Martin Pohl

University of Potsdam

Publications: 177

Valeri M. Larionov

Valeri M. Larionov

Saint Petersburg State University

Publications: 175

Marco Ajello

Marco Ajello

Clemson University

Publications: 164

Markus Böttcher

Markus Böttcher

North-West University

Publications: 157

Jim Hinton

Jim Hinton

Max Planck Society

Publications: 156

Anne Lähteenmäki

Anne Lähteenmäki

Aalto University

Publications: 155

Yuri Y. Kovalev

Yuri Y. Kovalev

Moscow Institute of Physics and Technology

Publications: 147

Bing Zhang

Bing Zhang

University of Nevada, Las Vegas

Publications: 146

Michael Kramer

Michael Kramer

Max Planck Institute for Radio Astronomy

Publications: 146

Svetlana G. Jorstad

Svetlana G. Jorstad

Boston University

Publications: 144

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