World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
56
Citations
10068
World Ranking
11749
National Ranking
3160

Paul J. Dagdigian publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Paul J. Dagdigian sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 354 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Paul J. Dagdigian D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 56 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 1986 - Fellow of American Physical Society (APS) Citation For his contribution to an experimental understanding of the dynamics of rotationally inelastic collisions and of the origin of spinorbit effects in chemical reactions
  • 1976 - Fellow of Alfred P. Sloan Foundation

Overview

Paul J. Dagdigian is a researcher affiliated with Johns Hopkins University in the United States. Their work spans the fields of Chemistry, Physics and Astronomy, and Earth and Planetary Sciences, with main research topics including Atmospheric Ozone and Climate, Spectroscopy and Laser Applications, Molecular Spectroscopy and Structure, Astrophysics and Star Formation Studies, Advanced Chemical Physics Studies, Atmospheric Chemistry and Aerosols, and Cold Atom Physics and Bose-Einstein Condensates.

Their publications have frequently appeared in a range of scientific journals. Key venues for their work include:

  • Monthly Notices of the Royal Astronomical Society
  • The Journal of Chemical Physics
  • arXiv (Cornell University)
  • Astronomy and Astrophysics
  • Computer Physics Communications

Paul J. Dagdigian has collaborated regularly with multiple coauthors. Notable frequent collaborators include:

  • François Lique
  • Jacek Kłos
  • Alexandre Faure
  • Jérôme Loreau
  • P. Pirlot Jankowiak

Recent research papers authored or coauthored by Paul J. Dagdigian cover topics related to molecular interactions and scattering calculations. Some of the recent papers include:

  • "BASECOL2023 scientific content," 2023, Astronomy and Astrophysics
  • "Hibridon: A program suite for time-independent non-reactive quantum scattering calculations," 2023, Computer Physics Communications
  • "Interaction of the H2S molecule with molecular hydrogen: Ab initio potential energy surface and scattering calculations," 2020, The Journal of Chemical Physics
  • "Collisional excitation of H2S by molecular hydrogen," 2020, Monthly Notices of the Royal Astronomical Society
  • "Hunting for hot corinos and WCCC sources in the OMC-2/3 filament," 2020, Springer Link (Chiba Institute of Technology)

Their research integrates spectroscopy, atmospheric science, and molecular physics to explore chemical interactions and energy transfer processes relevant to both atmospheric and astronomical phenomena.

Paul J. Dagdigian has been recognized with distinctions such as:

  • Fellow of the American Physical Society (APS), 1986, for contributions to understanding rotationally inelastic collisions and spin-orbit effects in chemical reactions
  • Fellow of Alfred P. Sloan Foundation, 1976

Best Publications

  • Tunable Laser Fluorescence Method for Product State Analysis

    Richard N. Zare;Paul J. Dagdigian

  • A nomenclature for Λ‐doublet levels in rotating linear molecules

    M. H. Alexander;P. Andresen;R. Bacis;R. Bersohn

  • Crossed-beam reactions of barium with hydrogen halides. Measurement of internal state distributions by laser-induced fluorescence

    H. W. Cruse;P. J. Dagdigian;R. N. Zare

  • Radiative lifetimes of the alkaline earth monohalides

    Paul J. Dagdigian;Howard W. Cruse;Richard N. Zare

  • Laser fluorescence study of AlO formed in the reaction Al + O2: Product state distribution, dissociation energy, and radiative lifetime

    P. J. Dagdigian;H. W. Cruse;R. N. Zare

  • Clarification of the electronic asymmetry in Π‐state Λ doublets with some implications for molecular collisions

    Millard H. Alexander;Paul J. Dagdigian

  • The inelastic scattering of 2Π [case (b)] molecules and an understanding of the differing Λ doublet propensities for molecules of π vs π3 orbital occupancy

    Paul J. Dagdigian;Millard H. Alexander;Kopin Liu

  • Spin-orbit effects in gas-phase chemical reactions

    Paul J. Dagdigian;Mark L. Campbell

  • Product state analysis of BaO from the reactions Ba + CO2 and Ba + O2

    P. J. Dagdigian;H. W. Cruse;A. Schultz;R. N. Zare

  • Propensity rules in rotationally inelastic collisions of diatomic molecules in 3Σ electronic states

    Millard H. Alexander;Paul J. Dagdigian

  • Collision‐induced transitions between molecular hyperfine levels: Quantum formalism, propensity rules, and experimental study of CaBr(X 2Σ+)+Ar

    Millard H. Alexander;Paul J. Dagdigian

  • State‐to‐state collisional interelectronic and intraelectronic energy transfer involving CN A 2Π v=3 and X 2Σ+ v=7 rotational levels

    Guo Jihua;Ashraf Ali;Paul J. Dagdigian

  • Determination of the absolute chemiluminescence cross section and photon yield for the Ca(4s4p 3P) + N2O reaction

    Paul J. Dagdigian

  • Product State Distributions and Angular Differential Cross Sections from Photoinitiated Reactions of Chlorine Atoms with Small Hydrocarbons

    David F. Varley;Paul J. Dagdigian

  • Nitramine propellant ignition and combustion research

    M H. Alexander;P J. Dagdigian;Marilyn E. Jacox;C E. Kolb

  • State‐resolved study of collisional energy transfer between A 2Π v=7 and X 2Σ+ v=11 rotational levels of CN

    Nick Furio;Ashraf Ali;Paul J. Dagdigian

  • STATE-RESOLVED COLLISION-INDUCED ELECTRONIC TRANSITIONS

    Paul J. Dagdigian

  • Quantum interpretation of fully state‐selected rotationally inelastic collision experiments

    Millard H. Alexander;Paul J. Dagdigian;Andrew E. DePristo

  • Energetics and spin‐ and Λ‐doublet selectivity in the infrared multiphoton dissociation HN3(X̃ 1A’)→N2(X 1Σ+g)+NH(X 3Σ−,a 1Δ): Theory

    Millard H. Alexander;Hans‐Joachim Werner;Paul J. Dagdigian

  • Spin–orbit branching in the photofragmentation of HCl at long wavelength

    H. Mark Lambert;Paul J. Dagdigian;Millard H. Alexander

Frequent Co-Authors

Millard H. Alexander
Millard H. Alexander University of Maryland, College Park
Richard N. Zare
Richard N. Zare Stanford University
Ad van der Avoird
Ad van der Avoird Radboud University
David R. Yarkony
David R. Yarkony Johns Hopkins University
Hans-Joachim Werner
Hans-Joachim Werner University of Stuttgart
Andrew J. Orr-Ewing
Andrew J. Orr-Ewing University of Bristol
David J. Nesbitt
David J. Nesbitt University of Colorado Boulder
Jim J. Lin
Jim J. Lin National Taiwan University
Gerard Meijer
Gerard Meijer Fritz Haber Institute of the Max Planck Society
Cecilia Ceccarelli
Cecilia Ceccarelli Grenoble Alpes University

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