John M. Brown

7.0k total citations · 2 hit papers
177 papers, 5.6k citations indexed

About

John M. Brown is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Atmospheric Science. According to data from OpenAlex, John M. Brown has authored 177 papers receiving a total of 5.6k indexed citations (citations by other indexed papers that have themselves been cited), including 141 papers in Atomic and Molecular Physics, and Optics, 113 papers in Spectroscopy and 44 papers in Atmospheric Science. Recurrent topics in John M. Brown's work include Advanced Chemical Physics Studies (113 papers), Spectroscopy and Laser Applications (69 papers) and Molecular Spectroscopy and Structure (44 papers). John M. Brown is often cited by papers focused on Advanced Chemical Physics Studies (113 papers), Spectroscopy and Laser Applications (69 papers) and Molecular Spectroscopy and Structure (44 papers). John M. Brown collaborates with scholars based in United Kingdom, United States and Germany. John M. Brown's co-authors include K. M. Evenson, Trevor J. Sears, A. J. Merer, F.D. Wayne, J. K. G. Watson, I. Kopp, E.A. Colbourn, D. A. Ramsay, Timothy C. Steimle and Alan Carrington and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Angewandte Chemie International Edition.

In The Last Decade

John M. Brown

176 papers receiving 5.2k citations

Hit Papers

align trajectories sort by overperformance

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.

The labeling of parity doublet levels in linear molecules

1975 722 citations John M. Brown, I. Kopp et al. Journal of Molecular Spectroscopy profile →
An effective Hamiltonian for diatomic molecules

1979 433 citations John M. Brown, J. K. G. Watson et al. Journal of Molecular Spectroscopy profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
John M. Brown	3.9k	3.2k	1.6k	527	479	177	5.6k
Vincenz̊o Aquilanti	6.8k 1.7×	3.6k 1.1×	1.0k 0.7×	402 0.8×	673 1.4×	289	8.2k
G. T. Fraser	4.6k 1.2×	4.4k 1.4×	1.6k 1.0×	234 0.4×	277 0.6×	157	5.9k
Piergiorgio Casavecchia	5.4k 1.4×	3.1k 1.0×	2.0k 1.3×	649 1.2×	719 1.5×	155	6.4k
Nigel G. Adams	4.9k 1.3×	4.3k 1.3×	2.2k 1.4×	1.4k 2.7×	411 0.9×	209	7.5k
W. Leo Meerts	3.9k 1.0×	3.4k 1.0×	1.1k 0.7×	190 0.4×	448 0.9×	200	5.5k
Kevin K. Lehmann	6.0k 1.5×	3.8k 1.2×	1.3k 0.8×	370 0.7×	208 0.4×	202	7.5k
D. Gerlich	3.8k 1.0×	2.9k 0.9×	846 0.5×	1.1k 2.0×	1.2k 2.4×	177	6.2k
Per Jensen	5.2k 1.3×	4.1k 1.3×	2.1k 1.4×	230 0.4×	548 1.1×	252	6.9k
Yuan T. Lee	6.6k 1.7×	4.3k 1.3×	2.2k 1.4×	246 0.5×	817 1.7×	179	8.5k
Thomas B. Adler	4.1k 1.1×	2.1k 0.6×	1.7k 1.1×	384 0.7×	1.2k 2.5×	17	5.8k

Countries citing papers authored by John M. Brown

Since Specialization

Citations

This map shows the geographic impact of John M. Brown'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 John M. Brown with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John M. Brown more than expected).

Fields of papers citing papers by John M. Brown

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John M. Brown. 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 John M. Brown. The network helps show where John M. Brown may publish in the future.

Co-authorship network of co-authors of John M. Brown

This figure shows the co-authorship network connecting the top 25 collaborators of John M. Brown. A scholar is included among the top collaborators of John M. Brown 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 John M. Brown. John M. Brown is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Rainville, Simon, James K. Thompson, E. G. Myers, et al.. (2005). A direct test of E=mc2. Nature. 438(7071). 1096–1097. 95 indexed citations

Gridnev, Ilya D., et al.. (2004). Solution Structure and Reagent Binding of the Zinc Alkoxide Catalyst in the Soai Asymmetric Autocatalytic Reaction. Angewandte Chemie International Edition. 43(37). 4884–4887. 113 indexed citations

Brown, John M., et al.. (2000). The Electronic Spectrum of Tellurium Dioxide. Journal of Molecular Spectroscopy. 200(2). 261–265. 6 indexed citations

Whitham, C. J., et al.. (1999). Rotational Spectra of Conformers and Isotopomers of 1-Hydroxynaphthalene. Journal of Molecular Spectroscopy. 195(1). 172–176. 2 indexed citations

Ashworth, Stephen H. & John M. Brown. (1998). Dispersed Fluorescence from the 460-nm Band System of NiCl2: Observation of a New, Low-Lying Electronic State. Journal of Molecular Spectroscopy. 191(2). 276–285. 5 indexed citations

Ashworth, Stephen H., et al.. (1996). Rotational analysis of bands in the 460 nm system of nickel dichloride produced in a free-jet expansion: Determination of the structure and electronic ground state of nickel dichloride. The Journal of Chemical Physics. 104(1). 48–63. 29 indexed citations

Brown, John M., et al.. (1996). The ν3Band of the NCN Radical, Studied by LMR. Journal of Molecular Spectroscopy. 180(1). 170–174. 17 indexed citations

Bellini, Marco, Paolo De Natale, M. Inguscio, Thomas D. Varberg, & John M. Brown. (1995). Precise experimental test of models for the breakdown of the Born-Oppenheimer separation: The rotational spectra of isotopic variants of lithium hydride. Physical Review A. 52(3). 1954–1960. 25 indexed citations

Brown, John M., Thomas D. Varberg, K. M. Evenson, & Andrew L. Cooksy. (1994). The fine-structure intervals of (N-14)+ by far-infrared laser magnetic resonance. The Astrophysical Journal. 428. L37–L37. 25 indexed citations

10.

Brown, John M., et al.. (1994). The laser magnetic resonance spectrum of the ν₁ band of the CCN radical in its state. Canadian Journal of Physics. 72(11-12). 1001–1006. 9 indexed citations

11.

Ashworth, Stephen H. & John M. Brown. (1992). The far-infrared laser magnetic resonance spectrum of the SH radical. Journal of Molecular Spectroscopy. 153(1-2). 41–58. 21 indexed citations

12.

Brown, John M., H. E. Radford, & Trevor J. Sears. (1991). Avoided crossings in the far-infrared laser magnetic resonance spectrum of HCO. Journal of Molecular Spectroscopy. 148(1). 20–37. 35 indexed citations

13.

Brown, John M., et al.. (1990). The infrared spectrum of the GeH radical by laser magnetic resonance. Molecular Physics. 70(1). 161–165. 6 indexed citations

14.

Steimle, Timothy C., et al.. (1988). Electronic properties of CuS: Experimental determination of the magnetic hyperfine interactions and permanent electric dipole moment. The Journal of Chemical Physics. 89(12). 7172–7179. 20 indexed citations

15.

Brown, John M., G. Allan Johnson, & Paul J. Kramer. (1986). In Vivo Magnetic Resonance Microscopy of Changing Water Content in Pelargonium hortorum Roots. PLANT PHYSIOLOGY. 82(4). 1158–1160. 46 indexed citations

16.

Hills, G. W., C. R. Brazier, John M. Brown, J.M. Cook, & R. F. Curl. (1982). Microwave optical double resonance spectrum of NH2. VII. Hyperfine coupling constants (14N and 1H) in Σ(0, 9, 0) and Π (0, 10, 0) of a A2A1. The Journal of Chemical Physics. 76(1). 240–252. 20 indexed citations

17.

Brown, John M., D. J. Milton, J. K. G. Watson, et al.. (1981). Higher-order fine structure of the a4Π state of O2+. Journal of Molecular Spectroscopy. 90(1). 139–151. 22 indexed citations

18.

Brown, John M., et al.. (1978). Microwave spectroscopy of nonlinear free radicals III. High field Zeeman effect in HCO and DCO. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 360(1703). 507–528. 13 indexed citations

19.

Brown, John M., et al.. (1975). A re-investigation of the A 2 ∑+-X 2∏i band system of NCO. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 343(1632). 17–44. 92 indexed citations

20.

Brown, John M., et al.. (1973). Microwave spectroscopy of non-linear free radicals II. Zeeman effect studies of DCO. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 335(1601). 113–126. 11 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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