Akira Okumura

Akira Okumura publication distribution in Physics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Physics in 2026. The highlighted bar marks where Akira Okumura sits on this spectrum.

Akira Okumura D-index placement in Physics in 2026

The chart shows the D-index (discipline H-index) distribution of Physics scientists ranked by Research.com in 2026. The highlighted bar marks where Akira Okumura sits on this spectrum.

Best Publications

• Fermi Large Area Telescope Second Source Catalog

  P. L. Nolan;A. A. Abdo;A. A. Abdo;M. Ackermann;M. Ajello

  1706
  Citations

• The second catalog of active galactic nuclei detected by the Fermi Large Area Telescope

  Markus Ackermann;Marco Ajello;A. Allafort;E. Antolini;E. Antolini

  1057
  Citations

• Design concepts for the Cherenkov Telescope Array CTA: An advanced facility for ground-based high-energy gamma-ray astronomy

  M. Actis;G. Agnetta;F. Aharonian;A. Akhperjanian

  1008
  Citations

• The Second Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope

  M. Ackermann;M. Ajello;A. Allafort;E. Antolini

  974
  Citations

• Fermi-LAT observations of the diffuse γ-ray emission: implications for cosmic rays and the interstellar medium

  M. Ackermann;M. Ajello;W. B. Atwood;L. Baldini

  875
  Citations

• Introducing the CTA concept

  B. S. Acharya;M. Actis;T. Aghajani;G. Agnetta

  855
  Citations

• Measurement of Separate Cosmic-Ray Electron and Positron Spectra with the Fermi Large Area Telescope

  M. Ackermann;M. Ajello;A. Allafort;W. B. Atwood

  854
  Citations

• Constraining Dark Matter Models from a Combined Analysis of Milky Way Satellites with the Fermi Large Area Telescope

  M. Ackermann;M. Ajello;A. Albert;W. B. Atwood

  729
  Citations

• The fermi large area telescope on orbit: Event classification, instrument response functions, and calibration

  Markus Ackermann;Marco Ajello;A. Albert;A. Allafort

  707
  Citations

• Fermi Observations of High-Energy Gamma-Ray Emission from GRB 080916C

  M. Ackermann;M. Ajello;L. Baldini;J. Ballet

  683
  Citations

• GeV Observations of Star-forming Galaxies with extit{Fermi} LAT

  M. Ackermann;M. Ajello;A. Allafort

  502
  Citations

• Fermi LAT observations of cosmic-ray electrons from 7 GeV to 1 TeV

  Markus Ackermann;Marco Ajello;W. B. Atwood;Luca Baldini

  502
  Citations

• Science with the Cherenkov Telescope Array

  B.S. Acharya;I. Agudo;I. Al Samarai

  498
  Citations

• Gamma-Ray Flares from the Crab Nebula

  A. A. Abdo;Markus Ackermann;Marco Ajello;A. Allafort

  470
  Citations

• A change in the optical polarization associated with a γ-ray flare in the blazar 3C 279

  A. A. Abdo;A. A. Abdo;Markus Ackermann;Marco Ajello;Magnus Axelsson

  425
  Citations

• Fermi Large Area Telescope Observations of Markarian 421: The Missing Piece of its Spectral Energy Distribution

  A. A. Abdo;A. A. Abdo;M. Ackermann;M. Ajello;L. Baldini

  412
  Citations

• GeV observations of star-forming galaxies with the Fermi Large Area Telescope

  M. Ackermann;M. Ajello;A. Allafort;L. Baldini

  411
  Citations

• Fermi-LAT Observations of the Gamma-Ray Burst GRB 130427A

  M. Ackermann;M. Ajello;K. Asano;W. B. Atwood

  354
  Citations

• Observations of the Young Supernova Remnant RX J1713.7-3946 with the Fermi Large Area Telescope

  A. A. Abdo;A. A. Abdo;Markus Ackermann;Marco Ajello;A. Allafort

  334
  Citations

• Fermi LAT Search for Dark Matter in Gamma-Ray Lines and the Inclusive Photon Spectrum

  M. Ackermann;M. Ajello;A. Albert;L. Baldini

  333
  Citations