J. Knapp

14.7k citations

67 papers · 1.6k · 1 hit paper · h-index 15

Impact in

Nuclear and High Energy Physics top 1%
- Astrophysics and Cosmic Phenomena
- Dark Matter and Cosmic Phenomena
- Particle physics theoretical and experimental studies
- Neutrino Physics Research
- Particle Detector Development and Performance
- High-Energy Particle Collisions Research
Astronomy and Astrophysics top 5%
- Cosmology and Gravitation Theories
- Radio Astronomy Observations and Technology

Papers in

Nuclear and High Energy Physics 44
- Astrophysics and Cosmic Phenomena 34
- Dark Matter and Cosmic Phenomena 22
- Particle physics theoretical and experimental studies 17
- High-Energy Particle Collisions Research 8
- Particle Detector Development and Performance 7
Astronomy and Astrophysics 10
- Ionosphere and magnetosphere dynamics 6

Co-authors: D. Heck (12 shared papers)G. Schatz (8 shared papers)T. Thouw (5 shared papers)J.N. Capdevielle (2 shared papers)S. P. Swordy (11 shared papers)D. Müller (5 shared papers)Geoffrey C. Bower (5 shared papers)E. Torbet (8 shared papers)
Journals: Astroparticle Physics (9 papers)Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment (6 papers)Journal of Physics G Nuclear and Particle Physics (2 papers)The Astrophysical Journal (2 papers)Europhysics Letters (EPL) (1 paper)
Partner nations: Germany United States United Kingdom

In The Last Decade

J. Knapp

62 papers receiving 1.5k citations

J. Knapp's Hit Papers

align trajectories log scale

CORSIKA: A Monte Carlo code to simulate extensive air showers 1998 · 612 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1998 OpenGrey (Institut de l'Information Scientifique et Technique)

Peers

Countries citing papers authored by J. Knapp

Since Specialization

Citations

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

Fields of papers citing papers by J. Knapp

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Knapp. 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 J. Knapp. The network helps show where J. Knapp may publish in the future.

Co-authors

The 25 scholars most cited alongside J. Knapp, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with J. Knapp Line = papers co-authored together J. Knapp links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 67 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	CORSIKA: A Monte Carlo code to simulate extensive air showers OpenGrey (Institut de l'Information Scientifique et Technique) ·D. Heck, J. Knapp, J.N. Capdevielle, G. Schatz, T. Thouw Hit paper breakdown →	1998	612
2	Measurements of the Cosmic-Ray Positron Fraction from 1 to 50 G[CLC]e[/CLC]V The Astrophysical Journal ·S. W. Barwick, J. J. Beatty, Amit Bhattacharyya, Geoffrey C. Bower, C. Chaput, S. Coutu, G. A. de Nolfo, J. Knapp, D. M. Lowder, S. P. Mc Kee, D. Müller, J. Musser, S. Nutter, E. Schneider, S. P. Swordy, G. Tarlé, A. Tomasch, E. Torbet	1997	301
3	Extensive air shower simulations at the highest energies Astroparticle Physics ·J. Knapp, Daniel W. Heck, S.J. Sciutto, M.T. Dova, Markus Risse	2003	83
4	Tumour growth is more dispersed in pancreatic head cancers than in rectal cancer: implications for resection margin assessment* Histopathology ·Caroline S. Verbeke, J. Knapp, Ivar P. Gladhaug	2011	53
5	The energy spectrum of cosmic rays in the range 3×1017–4×1018 eV as measured with the Haverah Park array Astroparticle Physics ·M. Ave, J. Knapp, J. Lloyd‐Evans, M. Marchesini, Alan Watson	2003	47
6	Mass composition of cosmic rays in the range 2×1017–3×1018 eV measured with the Haverah Park array Astroparticle Physics ·M. Ave, Lorenzo Cazon, J. A. Hinton, J. Knapp, J. Lloyd‐Evans, A. A. Watson	2003	41
7	Cosmic Ray Positrons at High Energies: A New Measurement Physical Review Letters ·S. W. Barwick, J. J. Beatty, Geoffrey C. Bower, C. Chaput, S. Coutu, G. de Nolfo, D. Ficenec, J. Knapp, D. M. Lowder, S. P. Mc Kee, D. Müller, J. Musser, S. Nutter, E. Schneider, S. P. Swordy, K. K. Tang, G. Tarlé, A. Tomasch, E. Torbet	1995	40
8	Cosmic ray hadron flux at sea level up to 15 TeV Journal of Physics G Nuclear and Particle Physics ·H.H. Mielke, M. Föller, J. Engler, J. Knapp	1994	38
9	Study of rapid grain boundary migration in a nanocrystalline Ni thin film Materials Science and Engineering A ·Josh Kacher, I.M. Robertson, Matt Nowell, J. Knapp, Khalid Hattar	2010	36
10	The Karlsruhe extensive air shower simulation code CORSIKA Repository KITopen (Karlsruhe Institute of Technology) ·J.N. Capdevielle, P. Gabriel, H.J. Gils, P. K. F. Grieder, D. Heck, J. Knapp, H.J. Mayer, J. Oehlschlaeger, H. Rebel, G. Schatz, T. Thouw	1992	31
11	The High-Energy Antimatter Telescope (HEAT): An instrument for the study of cosmic-ray positrons Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment ·S. W. Barwick, J. J. Beatty, Geoffrey C. Bower, C. Chaput, S. Coutu, G. de Nolfo, D. Ellithorpe, D. Ficenec, J. Knapp, D. M. Lowder, S. P. Mc Kee, D. Müller, J. Musser, S. Nutter, E. Schneider, S. P. Swordy, K. K. Tang, G. Tarlé, A. Tomasch, E. Torbet	1997	27
12	The optimum distance at which to determine the size of a giant air shower Astroparticle Physics ·D. Newton, J. Knapp, Alan Watson	2006	23
13	CORSIKA: An Air Shower Simulation Program ascl ·Dieter Heck, T. Pierog, J. Knapp	2012	20
14	Systematic uncertainties in air shower measurements from high-energy hadronic interaction models Astroparticle Physics ·R. D. Parsons, C. Bleve, S. Ostapchenko, J. Knapp	2011	17
15	Cosmic-ray events as background in imaging atmospheric Cherenkov telescopes Astroparticle Physics ·G. Maier, J. Knapp	2007	15
16	A New Era in Gamma-Ray Astronomy with the Cherenkov Telescope Array Astroparticle Physics ·J. A. Hinton, S. Sarkar, D. F. Torres, J. Knapp	2012	14
17	A New Measurement of Cosmic-Ray Composition at the Knee The Astrophysical Journal ·Kelly Boothby, M. Chantell, K. D. Green, D. Kieda, J. Knapp, C. G. Larsen, S. P. Swordy	1997	14
18	Comparison of hadronic interaction models at Auger energies Nuclear Physics B - Proceedings Supplements ·D. Heck, Markus Risse, J. Knapp	2003	13
19	High-energy cosmic-ray neutrons at sea level Journal of Physics G Nuclear and Particle Physics ·H. Kornmayer, H.H. Mielke, J. Engler, J. Knapp	1995	12
20	CONSTANT FINAL ENERGY AND CONSTANT INITIAL ENERGY SPECTROSCOPY Le Journal de Physique Colloques ·G. J. Lapeyre, Richard J. Smith, J. Knapp, J. Anderson	1978	11

About J. Knapp

J. Knapp is a scholar working on Nuclear and High Energy Physics, Astronomy and Astrophysics, Radiation, Pulmonary and Respiratory Medicine and Electrical and Electronic Engineering, having authored 67 papers that have together received 1.6k indexed citations. Recurring topics across this work include Astrophysics and Cosmic Phenomena (34 papers), Dark Matter and Cosmic Phenomena (22 papers), Particle physics theoretical and experimental studies (17 papers), High-Energy Particle Collisions Research (8 papers), Radiation Therapy and Dosimetry (7 papers), Particle Detector Development and Performance (7 papers), Ionosphere and magnetosphere dynamics (6 papers) and Radiation Detection and Scintillator Technologies (5 papers). The work is most often cited by research in Nuclear and High Energy Physics (1.4k citations), Astronomy and Astrophysics (527 citations), Radiation (87 citations), Radiological and Ultrasound Technology (16 citations) and Atmospheric Science (55 citations). J. Knapp has collaborated with scholars based in Germany, United States and United Kingdom. Frequent co-authors include D. Heck, G. Schatz, T. Thouw, J.N. Capdevielle, S. P. Swordy, D. Müller, Geoffrey C. Bower, E. Torbet, S. Coutu and S. P. Mc Kee. Their work appears in journals such as Astroparticle Physics, Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, Journal of Physics G Nuclear and Particle Physics, The Astrophysical Journal and Europhysics Letters (EPL).

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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