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William A. Chupka

William A. Chupka

Yale University
United States

D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 63 8631 2468 166 11180

William A. Chupka publications per year

The chart shows the history of publications by William A. Chupka between 1953 and 1999, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. William A. Chupka published across 47 years, from 1953 to 1999, averaging 3.6 papers a year. Output peaked at 13 publications in 1988. 2 of the 169 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1953 to 1999. Vertical axis: number of publications, 0 to 13. Peak 13 publications in 1988. 1953: 3 publications 1954: 1 publication 1955: 4 publications 1956: 4 publications 1957: 6 publications 1958: 2 publications 1959: 4 publications 1960: 3 publications 1961: 1 publication 1962: 1 publication 1963: 1 publication 1964: 2 publications 1965: 1 publication 1966: 3 publications 1967: 3 publications 1968: 8 publications 1969: 6 publications 1970: 1 publication 1971: 9 publications 1972: 1 publication 1973: 5 publications 1974: 4 publications 1975: 5 publications 1976: 4 publications 1977: 3 publications 1978: 4 publications 1979: 4 publications 1980: 1 publication 1981: 3 publications 1982: 6 publications 1983: 4 publications 1984: 3 publications 1985: 9 publications 1986: 7 publications 1987: 3 publications 1988: 13 publications 1989: 4 publications 1990: 4 publications 1991: 2 publications 1992: 5 publications 1993: 3 publications 1994: 1 publication 1995: 3 publications 1996: 2 publications 1997: 1 publication 1998: 0 publications 1999: 2 publications
1953 1999

169 publications in total across all disciplines

View publications per year as a table
William A. Chupka: publications per year, 1953 to 1999
Year Publications
1953 3
1954 1
1955 4
1956 4
1957 6
1958 2
1959 4
1960 3
1961 1
1962 1
1963 1
1964 2
1965 1
1966 3
1967 3
1968 8
1969 6
1970 1
1971 9
1972 1
1973 5
1974 4
1975 5
1976 4
1977 3
1978 4
1979 4
1980 1
1981 3
1982 6
1983 4
1984 3
1985 9
1986 7
1987 3
1988 13
1989 4
1990 4
1991 2
1992 5
1993 3
1994 1
1995 3
1996 2
1997 1
1998 0
1999 2
Total 169
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William A. Chupka 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 William A. Chupka sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 161–180 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 166 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350 166
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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William A. Chupka 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 William A. Chupka sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 62–63 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 63 D-Index — 54th percentile

54% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834 63
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Research.com Recognitions

  • 1961 - Fellow of John Simon Guggenheim Memorial Foundation
  • 1957 - Fellow of American Physical Society (APS)

Overview

William A. Chupka was affiliated with Yale University in the United States during their academic career. The scientist's record includes recognition from notable professional bodies within the scientific community.

In 1957, they were named a Fellow of the American Physical Society (APS), an acknowledgment awarded to members who have made significant contributions to the field of physics.

Further recognition came in 1961 when they were made a Fellow of the John Simon Guggenheim Memorial Foundation, an institution that supports individuals who have demonstrated exceptional capacity for productive scholarship.

The available data does not include specific details on their research topics, publications, or fields of study. Similarly, no information is recorded regarding frequent co-authors or publication venues. There are also no documented published papers or book publications attributed to them in the provided data.

The scientist has since been reported deceased, and all references to their work and career are therefore presented in past tense.

Best Publications

  • Factors affecting lifetimes and resolution of Rydberg states observed in zero-electron-kinetic-energy spectroscopy

    William A. Chupka

  • Effect of Unimolecular Decay Kinetics on the Interpretation of Appearance Potentials

    William A. Chupka

  • Very high resolution study of photoabsoprtion, photoionization, and predissociation in H2

    Patricia M. Dehmer;W. A. Chupka

  • Photoionization Study of Ion–Molecule Reactions in Mixtures of Hydrogen and Rare Gases

    Unknown

  • Direct Determination of the Heat of Sublimation of Carbon with the Mass Spectrometer

    William A. Chupka;Mark G. Inghram

  • Mass Spectrometric Study of the Kinetics of Nitrogen Afterglow

    Joseph Berkowitz;William A. Chupka;G. B. Kistiakowsky

  • Photoionization of Ethane, Propane, and n‐Butane with Mass Analysis

    William A. Chupka;Joseph Berkowitz

  • THERMODYNAMIC STUDIES OF SOME GASEOUS METALLIC CARBIDES

    William A. Chupka;Joseph Berkowitz;Clayton F. Giese;Mark G. Inghram

  • Electronically excited states of ethylene

    Kenneth B. Wiberg;Christopher M. Hadad;James B. Foresman;William A. Chupka

  • Photoionization of the Lower Aliphatic Alcohols with Mass Analysis

    Kamel M. A. Refaey;William A. Chupka

  • Mass‐Spectrometric Study of the Photoionization of Methane

    William A. Chupka

  • Photoionization mass spectrometric study of formaldehyde H2CO, HDCO and D2CO

    Paul Marie Guyon;William A. Chupka;Joseph Berkowitz

  • Polymeric Gaseous Molecules in the Vaporization of Alkali Halides

    Joseph Berkowitz;William A. Chupka

  • High resolution study of photoionization processes in O2

    Unknown

  • Photoionization of HCN: The Electron Affinity and Heat of Formation of CN

    Unknown

  • Ion‐Molecule and Chemi‐ionization Reactions in H2 by Photoionization

    Unknown

  • Lifetimes of very high Rydberg states of aromatic molecules

    William A. Chupka

  • Mass Spectrometric Study of Vapor Ejected from Graphite and Other Solids by Focused Laser Beams

    Unknown

  • Electron Affinities of Halogen Diatomic Molecules as Determined by Endoergic Charge Transfer

    Unknown

  • Threshold Photoelectron Detector for Use in the Vacuum Ultraviolet

    R. Spohr;P. M. Guyon;W. A. Chupka;J. Berkowitz

  • Flash pyrolytic production of rotationally cold free radicals in a supersonic jet. Resonant multiphoton spectrum of the 3p2A2" .rarw. X2A2" origin band of methyl

    Peter Chen;Steven D. Colson;William A. Chupka;Jerome A. Berson

  • Photoionization of molecular Rydberg states: H2, C 1Πu and its doubly excited states

    William A. Chupka

  • On the Dissociation Energies of SrO and MgO Molecules

    Richard F. Porter;William A. Chupka;Mark G. Inghram

  • High‐Resolution Photoionization Study of the H2 Molecule near Threshold

    Unknown

  • Vaporization of Beryllium Oxide and Its Reaction with Tungsten

    William A. Chupka;Joseph Berkowitz;Clayton F. Giese

  • Photoionization of CH3; Heat of Formation of CH2

    W. A. Chupka;Chava Lifshitz

  • Photoionization Mass Spectrometric Study of F2, HF, and DF

    J. Berkowitz;W. A. Chupka;P. M. Guyon;J. H. Holloway

Frequent Co-Authors

Steven D. Colson
Steven D. Colson Yale University
Peter Chen
Peter Chen ETH Zurich
Michael G. White
Michael G. White Stony Brook University
Lester Andrews
Lester Andrews University of Virginia
Christopher M. Hadad
Christopher M. Hadad The Ohio State University
Phaedon Avouris
Phaedon Avouris IBM (United States)
John H. D. Eland
John H. D. Eland University of Oxford
John L. Margrave
John L. Margrave Rice University
Robert H. Crabtree
Robert H. Crabtree Yale University
Mark A. Johnson
Mark A. Johnson Yale University

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Best Scientists Citing William A. Chupka

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University of North Carolina at Chapel Hill

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Frédéric Merkt

Frédéric Merkt

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Publications: 34

Vincent McKoy

Vincent McKoy

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Publications: 33

Edward W. Schlag

Edward W. Schlag

Technical University of Munich

Publications: 30

Edward R. Grant

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Publications: 29

Chava Lifshitz

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Hebrew University of Jerusalem

Publications: 24

Michael G. White

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Stony Brook University

Publications: 22

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Publications: 20

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Publications: 19

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Publications: 17

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