P. Sommers

Research.com Recognitions

• 2007 - Fellow of American Physical Society (APS) Citation For his significant contributions to experimental cosmic ray physics, for his major part in designing and building the Pierre Auger Cosmic Ray Observatory, and his leadership role in using it to obtain novel and important insights into the nature and properties of the highest energy cosmic rays

Overview

Best Publications

• Correlation of the highest-energy cosmic rays with nearby extragalactic objects.

  J. Abraham;P. Abreu;M. Aglietta

  1160
  Citations

• Properties and performance of the prototype instrument for the Pierre Auger Observatory

  J. Abraham;M. Aglietta;I. C. Aguirre;M. Albrow

  1138
  Citations

• Observation of the suppression of the flux of cosmic rays above 4x10(19) eV

  J. Abraham;P. Abreu;M. Aglietta;C. Aguirre

  1116
  Citations

• Evidence for correlated changes in the spectrum and composition of cosmic rays at extremely high energies.

  D. J. Bird;S. C. Corbató;H. Y. Dai;B. R. Dawson

  961
  Citations

• Detection of a Cosmic Ray with Measured Energy Well beyond the Expected Spectral Cutoff due to Cosmic Microwave Radiation

  D. J. Bird;S. C. Corbato;H. Y. Dai;J. W. Elbert

  947
  Citations

• The Cosmic ray energy spectrum observed by the Fly's Eye

  D. J. Bird;S. C. Corbato;H. Y. Dai;B. R. Dawson

  900
  Citations

• The Pierre Auger Cosmic Ray Observatory

  A. Aab;P. Abreu;M. Aglietta;M. Aglietta;E. J. Ahn

  860
  Citations

• Measurement of the energy spectrum of cosmic rays above 10(18) eV using the Pierre Auger Observatory

  J. Abraham;P. Abreu;M. Aglietta;E. J. Ahn

  846
  Citations

• Measurement of the Depth of Maximum of Extensive Air Showers above 10(18) eV

  J. Abraham;P. Abreu;M. Aglietta;D. Allard

  808
  Citations

• High-energy neutrinos from active galactic nuclei.

  F. W. Stecker;C. Done;M. H. Salamon;P. Sommers

  760
  Citations

• The Fluorescence Detector of the Pierre Auger Observatory

  J. Abraham;P. Abreu;M. Aglietta;C. Aguirre

  637
  Citations

• Correlation of the highest-energy cosmic rays with the positions of nearby active galactic nuclei

  J. Abraham;P. Abreu;M. Aglietta;M. Aglietta;C. Aguirre

  626
  Citations

• The Pierre Auger Collaboration

  M Will;L Wiencke;B WilczyÅska;H WilczyÅski

  551
  Citations

• Depth of maximum of air-shower profiles at the Pierre Auger Observatory. I. Measurements at energies above 10(17.8) eV

  A. Aab;P. Abreu;P. Abreu;M. Aglietta;M. Aglietta;E.J. Ahn

  549
  Citations

• Update on the correlation of the highest energy cosmic rays with nearby extragalactic matter

  P. Abreu;M. Aglietta;E. J. Ahn;D. Allard

  538
  Citations

• Observation of a large-scale anisotropy in the arrival directions of cosmic rays above 8 × 1018 eV

  A. Aab;P. Abreu;M. Aglietta

  465
  Citations

• Depth of maximum of air-shower profiles at the Pierre Auger Observatory. II. Composition implications

  A. Aab;P. Abreu;M. Aglietta;E. J. Ahn

  425
  Citations

• Measurement of the proton-air cross section at √s=57 TeV with the Pierre Auger Observatory.

  P. Abreu;M. Aglietta;E. J. Ahn;I. F. M. Albuquerque

  377
  Citations

• Muons in air showers at the Pierre Auger Observatory: Mean number in highly inclined events

  A. Aab;P. Abreu;M. Aglietta;E. J. Ahn

  346
  Citations

• Upper limit on the cosmic-ray photon flux above 10**19-eV using the surface detector of the Pierre Auger Observatory

  J. Abraham;P. Abreu;M. Aglietta;C. Aguirre

  341
  Citations