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HiRes Publications

For questions or comments about these publications, please send a message to the contact author listed in each paper.

Recent Publications

• Comparison of the Ultrahigh Energy Cosmic Ray Flux Observed by AGASA, HiRes and Auger
  B.M. Connolly, S.Y. BenZvi, C.B. Finley, A.C. O'Neill, and S. Westerhoff:
  Phys. Rev. D, in press (2006) (arXiv:astro-ph/0606343)
• A Protoytype PCI-based Data Acquisition System for Cosmic Ray Detection Below 10¹⁸ eV
  S.Y. BenZvi, S. Westerhoff, W.F. Sippach, J. Ban: submitted to Nucl. Instr. Meth. A (2006) (arXiv:physics/0603233)
• A Likelihood Method for Detecting the Ultra-High-Energy Cosmic Ray Composition
  HiRes Collaboration: Astroparticle Physics, in press (2006) (arXiv:astro-ph/0604558)
• Search for Cross-Correlations of Ultra-High-Energy Cosmic Rays With BL Lacertae Objects
  HiRes Collaboration: Astrophys. Journal 636 (2006) 680-684. (arXiv:astro-ph/0507120)
• Observation of the Ankle and Evidence for a High-Energy Break in the Cosmic Ray Spectrum
  HiRes Collaboration: Phys. Letters B 619 (2005) 271-280. (arXiv:astro-ph/0501317)
• Search for Point Sources of Ultra-High Energy Cosmic Rays above 4.0 10¹⁹ eV Using a Maximum Likelihood Ratio Test
  HiRes Collaboration: Astrophys. Journal 623 (2005) 164-170. (arXiv:astro-ph/0412617)
• A Study of the Composition of Ultra-High Energy Cosmic Rays Using the High Resolution Fly's Eye
  HiRes Collaboration: Astrophys. Journal 622 (2005) 910-926. (arXiv:astro-ph/0407622)
• A Search for Arrival Direction Clustering in the HiRes 1 Monocular Data Above 10^19.5 eV
  HiRes Collaboration: Astroparticle Phys. 22 (2004) 139-149. (arXiv:astro-ph/0404366)
• Study of Small-Scale Anisotropy of Ultra-High Energy Cosmic Rays Observed in Stereo by HiRes
  HiRes Collaboration: Astrophys. Journal 610 (2004) L73-76. (arXiv:astro-ph/0404137)
• Search for Global Dipole Enhancements in the HiRes-I Monocular Data above 10^18.5 eV
  HiRes Collaboration: Astroparticle Phys. 21 (2004) 111-123. (arXiv:astro-ph/0309457)
• On the Evidence for Clustering in the Arrival Directions of AGASA's Ultrahigh Energy Cosmic Rays
  C.B. Finley and S. Westerhoff: Astroparticle Phys. 21 (2004) 359-367. (arXiv:astro-ph/0309159)
• Measurement of the Flux of Ultrahigh Energy Cosmic Rays from Monocular Observations by the High Resolution Fly's Eye Experiment
  HiRes Collaboration: Phys. Rev. Lett. 92 (2004) 151101 (arXiv:astro-ph/0208243)
• Geometry and Optics Calibration for Air Fluorescence Detectors Using Star Light
  HiRes Collaboration: Astroparticle Phys. 18 (2002) 237-248.
• FADC-based DAQ for HiRes Fly's Eye
  J.H. Boyer, B.C. Knapp, E.J. Mannel, M. Seman: Nucl. Instr. Meth. A 482 (2002) 457-474.

PhD Theses (Columbia Group)

• Anisotropy of Arrival Directions of Ultrahigh Energy Cosmic Rays (4.3 MB)
  Chad B. Finley (April 2006).

Recent Talks (Columbia Group)

• Ultrahigh Energy Cosmic Rays - Recent Results
  S. Westerhoff: Invited Talk, APS 2006 April Meeting, Dallas, April 23, 2006.
• The Highest Energy Cosmic Rays
  S. Westerhoff: Colloquium, Harvard University, Dec. 5, 2005.
• Cosmic Rays
  S. Westerhoff: XXII International Symposium on Lepton-Photon Interactions at High Energy ("Lepton-Photon 2005"), June 30-July 5, 2005, Uppsala, Sweden.
• HiRes — Mapping the High Energy Universe
  S. Westerhoff: Fermilab Wine and Cheese Seminar, October 24, 2003.
• Recent Results from HiRes
  S. Westerhoff: Second European Union RTN Meeting on Gamma Ray Bursts: August 25-27, 2003, Santorini Island, Greece.
• Small-Scale Anisotropy Studies with HiRes Stereo Observations
  C.B. Finley: ICRC 2003, HE 1.3, July 31-August 7, 2003, Tsukuba, Japan.
• GRaNDSCAN: An Experiment to Study UHECR Anisotropy Around and Below EeV
  S. BenZvi: ICRC 2003, HE 1.5, July 31-August 7, 2003, Tsukuba, Japan.

Selected Conference Proceedings (Columbia Group)

• Ultra-High-Energy Cosmic Rays
  S. Westerhoff: Proceedings of the XXII^thInternational Symposium on Lepton-Photon Interactions at High Energy ("Lepton-Photon 2005"), June 30-July 5, 2005, Uppsala, Sweden. (arXiv:hep-ex/0512018)
• Search for Point Sources of Ultra-High-Energy Cosmic Rays Above 10¹⁹ eV Using a Maximum Likelihood Ratio Test
  S. Westerhoff, C.B. Finley (for the HiRes Collaboration): Proceedings of the 29^thICRC, August 2005, Pune, India. (arXiv:astro-ph/0507574)
• Search for Cross-Correlations of Ultra-High-Energy Cosmic Rays with BL Lacertae Objects
  C.B. Finley, S. Westerhoff (for the HiRes Collaboration): Proceedings of the 29^thICRC, August 2005, Pune, India. (arXiv:astro-ph/0507465)
• Search for Small-Scale Anisotropy of Cosmic Rays above 10¹⁹ eV with HiRes Stereo
  S. Westerhoff (for the HiRes Collaboration): Proceedings CRIS 2004, June 2004, Catania, Italy.
  Nucl. Phys. B (Proceedings Suppl.) 136C (2004) 46-51. (arXiv:astro-ph/0408343)
• Checking the Pointing Accuracy of Air Fluorescence Detectors with Starlight
  S. Westerhoff: Proceedings of the 28^thICRC, August 2003, Tsukuba, Japan.
• Small-Scale Anisotropy Studies of the Highest Energy Cosmic Rays Observed in Stereo by HiRes
  C.B. Finley: Proceedings of the 28^thICRC, August 2003, Tsukuba, Japan.

RETURN HOME

Additional links and HiRes-related information.

HiRes @ Columbia

Andrew O'Neill

Cosmic Ray Physics

Brochure on cosmic rays:

• Cosmic Extremes

General papers:

• Ultra-High-Energy Cosmic Rays -- Fierce Particles from Deep Space (Update Magazine of the New York Academy of Sciences Sep. 2005)

• Cosmic Rays at the Energy Frontier (Sci. Am. 1998)

CR experiment links:

• HiRes Utah
• Pierre Auger Observatory
• AGASA

Acknowledgments

HiRes at Columbia/Nevis is supported by the National Science Foundation.

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