James W. Hager

3.1k total citations
53 papers, 2.6k citations indexed

About

James W. Hager is a scholar working on Spectroscopy, Atomic and Molecular Physics, and Optics and Physical and Theoretical Chemistry. According to data from OpenAlex, James W. Hager has authored 53 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Spectroscopy, 19 papers in Atomic and Molecular Physics, and Optics and 13 papers in Physical and Theoretical Chemistry. Recurrent topics in James W. Hager's work include Mass Spectrometry Techniques and Applications (29 papers), Analytical Chemistry and Chromatography (16 papers) and Advanced Chemical Physics Studies (12 papers). James W. Hager is often cited by papers focused on Mass Spectrometry Techniques and Applications (29 papers), Analytical Chemistry and Chromatography (16 papers) and Advanced Chemical Physics Studies (12 papers). James W. Hager collaborates with scholars based in Canada, United States and Hong Kong. James W. Hager's co-authors include Stephen Wallace, J. C. Yves Le Blanc, Stephen C. Wallace, Frank A. Londry, Mark A. Smith, David R. Demmer, Eric Denoyer, Scott A. McLuckey, Gary W. Leach and Graham Noctor and has published in prestigious journals such as The Journal of Chemical Physics, Analytical Chemistry and The Journal of Physical Chemistry.

In The Last Decade

James W. Hager

52 papers receiving 2.4k citations

Peers

James W. Hager
A.G. Brenton United Kingdom
Kermit K. Murray United States
Jürgen Grotemeyer Germany
Chi‐Kung Ni Taiwan
Jack A. Syage United States
Rebecca A. Jockusch Canada
N. M. M. Nibbering Netherlands
F.M. Harris United Kingdom
Melvin B. Comisarow Canada
Maurice M. Bursey United States
A.G. Brenton United Kingdom
James W. Hager
Citations per year, relative to James W. Hager James W. Hager (= 1×) peers A.G. Brenton

Countries citing papers authored by James W. Hager

Since Specialization
Citations

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

Fields of papers citing papers by James W. Hager

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James W. Hager. 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 James W. Hager. The network helps show where James W. Hager may publish in the future.

Co-authorship network of co-authors of James W. Hager

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

All Works

20 of 20 papers shown
1.
Hager, James W., et al.. (2023). Separation and Simultaneous Trapping of Multiply Charged and Singly Charged Ions for Mass Spectrometry: Application to Lipid Mixtures. Analytical Chemistry. 95(14). 6115–6121. 3 indexed citations
2.
Londry, Frank A., et al.. (2022). Adaptation and operation of a quadrupole/time-of-flight tandem mass spectrometer for high mass ion/ion reaction studies. International Journal of Mass Spectrometry. 478. 116874–116874. 22 indexed citations
3.
Campbell, J. Larry, Takashi Baba, Chang Liu, et al.. (2017). Analyzing Glycopeptide Isomers by Combining Differential Mobility Spectrometry with Electron- and Collision-Based Tandem Mass Spectrometry. Journal of the American Society for Mass Spectrometry. 28(7). 1374–1381. 29 indexed citations
4.
Li, Linfan, Xiaoyu Zhou, James W. Hager, & Zheng Ouyang. (2014). High efficiency tandem mass spectrometry analysis using dual linear ion traps. The Analyst. 139(19). 4779–4784. 28 indexed citations
5.
Queval, Guillaume, James W. Hager, Bertrand Gakière, & Graham Noctor. (2008). Why are literature data for H2O2 contents so variable? A discussion of potential difficulties in the quantitative assay of leaf extracts. Journal of Experimental Botany. 59(2). 135–146. 128 indexed citations
6.
Wu, Jin, James W. Hager, Yu Xia, Frank A. Londry, & Scott A. McLuckey. (2004). Positive Ion Transmission Mode Ion/Ion Reactions in a Hybrid Linear Ion Trap. Analytical Chemistry. 76(17). 5006–5015. 24 indexed citations
7.
Hager, James W.. (2003). Product ion spectral simplification using time‐delayed fragment ion capture with tandem linear ion traps. Rapid Communications in Mass Spectrometry. 17(13). 1389–1398. 18 indexed citations
8.
Hager, James W.. (2003). Recent trends in mass spectrometer development. Analytical and Bioanalytical Chemistry. 378(4). 845–850. 45 indexed citations
9.
Hager, James W. & J. C. Yves Le Blanc. (2003). Product ion scanning using a Q‐q‐Q linear ion trap (Q TRAP TM ) mass spectrometer. Rapid Communications in Mass Spectrometry. 17(10). 1056–1064. 130 indexed citations
10.
11.
Hager, James W. & J. C. Yves Le Blanc. (2003). High-performance liquid chromatography–tandem mass spectrometry with a new quadrupole/linear ion trap instrument. Journal of Chromatography A. 1020(1). 3–9. 62 indexed citations
12.
Hager, James W.. (2002). A new linear ion trap mass spectrometer. Rapid Communications in Mass Spectrometry. 16(6). 512–512. 7 indexed citations
13.
Denoyer, Eric, et al.. (1989). The determination of precious metals in geological samples by ICP - Mass Spectrometry. Atomic Spectroscopy. 10(4). 97–102. 10 indexed citations
14.
Hager, James W. & Stephen Wallace. (1988). Two-laser photoionization supersonic jet mass spectrometry of aromatic molecules. Analytical Chemistry. 60(1). 5–10. 152 indexed citations
15.
Demmer, David R., James W. Hager, Gary W. Leach, & Stephen Wallace. (1987). Picosecond dynamics of intramolecular vibrational redistribution in the S2 state of jet-cooled azulene. Chemical Physics Letters. 136(3-4). 329–334. 36 indexed citations
16.
Hager, James W., Mark A. Smith, & Stephen C. Wallace. (1986). Two-color threshold photoionization of jet-cooled aniline: Vibrationally selective autoionization. The Journal of Chemical Physics. 84(12). 6771–6780. 52 indexed citations
17.
18.
Hager, James W. & Stephen Wallace. (1985). Supersonic beam investigations of indole and indole–halomethane complexes: intermolecular interactions. Canadian Journal of Chemistry. 63(7). 1502–1509. 6 indexed citations
19.
Hager, James W., et al.. (1982). Photodynamics of the excited states of trimethylamine in a supersonic beam. Chemical Physics Letters. 92(2). 112–116. 3 indexed citations
20.
Hager, James W. & Stephen C. Wallace. (1982). Tunable and coherent radiation in the VUV: high efficiency four-wave difference-frequency mixing in xenon. Chemical Physics Letters. 90(6). 472–475. 15 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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