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Researcher · Toho University · Japan

Hajime Otsuka

Hajime Otsuka publishes mostly in Nuclear and High Energy Physics, Pulmonary and Respiratory Medicine and Astronomy and Astrophysics, on topics such as Black Holes and Theoretical Physics, Particle physics theoretical and experimental studies and Cosmology and Gravitation Theories.

ORCID 0000-0002-0791-6180 OpenAlex
World rank
#1,420,194
of 7,710,434 ranked researchers
Rank in Japan
#22,133
of 383,136
Works
247
Citations
2.2k
Citations per work
8.7
h-index
24
i10-index 75Top 33% in Nuclear and High Energy Physics
Hajime Otsuka

What does Hajime Otsuka research?

Hajime Otsuka's work is mostly in Physics and Astronomy (44%), Medicine (23%), Mathematics (3%).

Physical Sciences: 116 works · 46.8% of their workPhysics and Astronomy: 109 works · 44.3% of their workNuclear and High Energy Physics: 87 works · 35.4% of their workAstronomy and Astrophysics: 22 works · 8.9% of their workMathematics: 6 works · 2.5% of their workGeometry and Topology: 6 works · 2.5% of their workEverything else: 74 works · 30.0% of their workHealth Sciences: 57 works · 23.2% of their workMedicine: 57 works · 23.2% of their workPulmonary and Respiratory Medicine: 38 works · 15.4% of their workSurgery: 14 works · 5.5% of their workOncology: 6 works · 2.3% of their workTHEIR WORKHajime Otsuka247works
Physical Sciences47%Health Sciences23%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Physics and Astronomy10944.3%
    2. Mathematics62.5%
  2. Everything else7430.0%
    1. Medicine5723.2%
  1. 1Nuclear and High Energy Physics35% of their works
  2. 2Pulmonary and Respiratory Medicine15% of their works
  3. 3Astronomy and Astrophysics9% of their works
  4. 4Surgery6% of their works
  5. 5Geometry and Topology2% of their works
  6. 6Oncology2% of their works

Research topics

Which keywords describe Hajime Otsuka's research?

The keywords of their largest research topics: Dark Matter, Particle Physics, Field Theories, Holographic, Higgs Boson, High-Energy Collider, Cosmological Parameters and Dark Energy.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 18 words, with their numbers
  1. Dark Matter942 topics
  2. Particle Physics942 topics
  3. Field Theories751 topic
  4. Holographic751 topic
  5. Higgs Boson731 topic
  6. High-Energy Collider731 topic
  7. Cosmological Parameters491 topic
  8. Dark Energy491 topic
  9. Neutrino Flavor Transformation391 topic
  10. Neutrino Oscillations391 topic
  11. QCD341 topic
  12. charmonium341 topic
  13. CT Screening231 topic
  14. Lung Cancer231 topic
  15. Axions211 topic
  16. Cosmic Rays211 topic
  17. Empyema171 topic
  18. Pleural Effusion171 topic

Where does Hajime Otsuka work?

Hajime Otsuka's main affiliation in the publication record is Toho University, Japan.

How many publications and citations does Hajime Otsuka have?

OpenAlex counts 247 works and 2,155 citations for Hajime Otsuka, an h-index of 24, ranking #1,420,194 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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