G. Karl

6.0k total citations · 2 hit papers
102 papers, 4.6k citations indexed

About

G. Karl is a scholar working on Nuclear and High Energy Physics, Atomic and Molecular Physics, and Optics and Statistical and Nonlinear Physics. According to data from OpenAlex, G. Karl has authored 102 papers receiving a total of 4.6k indexed citations (citations by other indexed papers that have themselves been cited), including 70 papers in Nuclear and High Energy Physics, 25 papers in Atomic and Molecular Physics, and Optics and 13 papers in Statistical and Nonlinear Physics. Recurrent topics in G. Karl's work include Particle physics theoretical and experimental studies (60 papers), Quantum Chromodynamics and Particle Interactions (59 papers) and High-Energy Particle Collisions Research (34 papers). G. Karl is often cited by papers focused on Particle physics theoretical and experimental studies (60 papers), Quantum Chromodynamics and Particle Interactions (59 papers) and High-Energy Particle Collisions Research (34 papers). G. Karl collaborates with scholars based in Canada, United Kingdom and United States. G. Karl's co-authors include Nathan Isgur, L. A. Copley, E. Obryk, J. D. Poll, Roman Koniuk, J. C. Polanyi, J. Van Kranendonk, Peeter Kruus, T.E.O. Ericson and Jack Paton and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and Reviews of Modern Physics.

In The Last Decade

G. Karl

101 papers receiving 4.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

P-wave baryons in the quark model

1978 817 citations Nathan Isgur, G. Karl Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields profile →
Positive-parity excited baryons in a quark model with hyperfine interactions

1979 518 citations Nathan Isgur, G. Karl Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
G. Karl Canada	29	3.8k	902	384	151	135	102	4.6k
P. F. Bortignon Italy	26	2.0k 0.5×	1.4k 1.5×	400 1.0×	186 1.2×	52 0.4×	84	2.5k
G. Schatz Germany	23	1.9k 0.5×	734 0.8×	190 0.5×	119 0.8×	41 0.3×	81	2.3k
J. Sucher United States	30	1.5k 0.4×	2.6k 2.9×	187 0.5×	157 1.0×	36 0.3×	103	3.6k
L.J.B. Goldfarb United Kingdom	22	1.0k 0.3×	880 1.0×	285 0.7×	58 0.4×	287 2.1×	70	1.7k
S. Rosati Italy	33	2.5k 0.7×	2.0k 2.2×	321 0.8×	237 1.6×	18 0.1×	108	3.3k
H. Kümmel Germany	19	704 0.2×	1.9k 2.1×	297 0.8×	394 2.6×	107 0.8×	56	2.4k
S. T. Butler Australia	20	1.2k 0.3×	798 0.9×	144 0.4×	78 0.5×	52 0.4×	50	1.8k
A.E.L. Dieperink Netherlands	28	3.0k 0.8×	2.3k 2.5×	794 2.1×	388 2.6×	28 0.2×	107	3.9k
H. Primakoff United States	27	2.2k 0.6×	877 1.0×	232 0.6×	92 0.6×	14 0.1×	76	2.8k
Aage Bohr Denmark	21	2.5k 0.7×	1.7k 1.9×	547 1.4×	347 2.3×	20 0.1×	36	3.2k

Countries citing papers authored by G. Karl

Since Specialization

Citations

This map shows the geographic impact of G. Karl's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by G. Karl with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites G. Karl more than expected).

Fields of papers citing papers by G. Karl

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by G. Karl. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by G. Karl. The network helps show where G. Karl may publish in the future.

Co-authorship network of co-authors of G. Karl

This figure shows the co-authorship network connecting the top 25 collaborators of G. Karl. A scholar is included among the top collaborators of G. Karl based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with G. Karl. G. Karl is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Gray, C.G., G. Karl, & V.A. Novikov. (2009). Quadrupolar contact fields: Theory and applications. American Journal of Physics. 77(9). 807–817. 5 indexed citations

Karl, G., et al.. (2003). Quark spin coupling in baryons reexamined. Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields. 68(5). 11 indexed citations

Karl, G., et al.. (2000). The linear baryon. Canadian Journal of Physics. 78(5-6). 449–459. 4 indexed citations

Karl, G.. (1994). Counting the number of vibrational states of a molecule to improve the Born-Oppenheimer estimate. Physical Review A. 49(2). 799–802. 12 indexed citations

Isgur, Nathan, G. Karl, & Jacques Soffer. (1987). Zeros in the nucleon form factors and the quark model. Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields. 35(5). 1665–1667. 22 indexed citations

Karl, G., J. Patera, & Stavros Perantonis. (1986). Quantization of chiral solitons for three flavors and the large-N limit. Physics Letters B. 172(1). 49–52. 12 indexed citations

Isgur, Nathan, G. Karl, & Patrick O’Donnell. (1985). The quark structure of matter: Proceedings of the Yukon Advanced Study Institute, Whitehorse, Yukon, Canada, August 12-26, 1984. Medical Entomology and Zoology. 1 indexed citations

Karl, G. & Winston Roberts. (1984). Sequential fragmentation and rate oscillations in exclusive decays. Physics Letters B. 144(3-4). 263–265. 19 indexed citations

Golowich, Eugene, et al.. (1983). Are there baryons which contain constituent gluons?. Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields. 28(1). 160–169. 43 indexed citations

10.

Karl, G. & Patrick O’Donnell. (1982). Parity conservation and selection rules in proton decay. Nuclear Physics B. 204(1). 1–5. 2 indexed citations

11.

Isgur, Nathan, G. Karl, & Roman Koniuk. (1982). Dwaves in the nucleon: A test of color magnetism. Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields. 25(9). 2394–2398. 128 indexed citations

12.

Isgur, Nathan, G. Karl, & D. W. L. Sprung. (1981). Neutron charge form factor in a quark model with hyperfine interactions. Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields. 23(1). 163–164. 59 indexed citations

13.

Isgur, Nathan & G. Karl. (1980). Ground-state baryon magnetic moments. Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields. 21(11). 3175–3179. 102 indexed citations

14.

Isgur, Nathan & G. Karl. (1979). Ground-state baryons in a quark model with hyperfine interactions. Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields. 20(5). 1191–1194. 303 indexed citations

15.

Karl, G.. (1976). Classification of new particles. Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields. 14(9). 2374–2382. 22 indexed citations

16.

Karl, G., B. G. Nickel, J. D. Poll, & L. Wolniewicz. (1975). Molecular Quadrupoles and Atomic Shielding Factors. Physical Review Letters. 34(21). 1302–1305. 9 indexed citations

17.

Kabir, P. K., G. Karl, & E. Obryk. (1975). Neutron Optical Activity Through Spin–Orbit Interaction. Canadian Journal of Physics. 53(24). 2661–2664. 13 indexed citations

18.

Cabibbo, N. & G. Karl. (1974). Electron positron annihilation into hadrons and quantum electrodynamics at high energy. Physics Letters B. 52(1). 91–94. 5 indexed citations

19.

Kranendonk, J. Van & G. Karl. (1968). Theory of the Rotational and Vibrational Excitations in Solid Parahydrogen, and Frequency Analysis of the Infrared and Raman Spectra. Reviews of Modern Physics. 40(3). 531–555. 105 indexed citations

20.

Karl, G., Peeter Kruus, J. C. Polanyi, & Ian W. M. Smith. (1967). Infrared-Emission Studies of Electronic-to-Vibrational Energy Transfer. III. Hg* + NO. The Journal of Chemical Physics. 46(1). 244–253. 45 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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