Publikationen in Zusammenarbeit mit Forschern von University of Leeds (17)

2008

  1. Upper Limit on the Diffuse Flux of Ultrahigh Energy Tau Neutrinos from the Pierre Auger Observatory

    Physical Review Letters, Vol. 100, Núm. 21

  2. Upper limit on the cosmic-ray photon flux above 1019 eV using the surface detector of the Pierre Auger Observatory

    Astroparticle Physics, Vol. 29, Núm. 4, pp. 243-256

2007

  1. An upper limit to the photon fraction in cosmic rays above 1019 eV from the Pierre Auger Observatory

    Astroparticle Physics, Vol. 27, Núm. 2-3, pp. 155-168

  2. Anisotropy studies around the galactic centre at EeV energies with the Auger Observatory

    Astroparticle Physics, Vol. 27, Núm. 4, pp. 244-253

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

    Science, Vol. 318, Núm. 5852, pp. 938-943

2005

  1. A very high energy gamma-ray spectrum of 1ES 2344+514

    Astrophysical Journal, Vol. 634, Núm. 2 I, pp. 947-954

1999

  1. Measurement of the multi-TeV gamma-ray flare spectra of Markarian 421 and Markarian 501

    Astrophysical Journal, Vol. 511, Núm. 1 PART 1, pp. 149-156

  2. TeV blazars: Status of observations

    Astrophysical Letters and Communications, Vol. 39, Núm. 1-6, pp. 9-16

  3. The flux variability of markarian 501 in very high energy gamma rays

    Astrophysical Journal, Vol. 518, Núm. 2 PART 1, pp. 693-698

1998

  1. Discovery of gamma-ray emission above 350 GeV from the BL lacertae object 1ES 2344+514

    Astrophysical Journal, Vol. 501, Núm. 2 PART 1, pp. 616-623

  2. Gamma-ray variability of BL Lacs at E>300 GeV

    Advances in Space Research, Vol. 21, Núm. 1-2, pp. 101-107

  3. New limits to the infrared background: Bounds on radiative neutrino decay and on contributions of very massive objects to the dark matter problem

    Physical Review Letters, Vol. 80, Núm. 14, pp. 2992-2995

  4. Stereoscopic observations of gamma rays at the Whipple observatory

    Astroparticle Physics, Vol. 8, Núm. 4, pp. 213-221

  5. The TeV spectrum of markarian 501

    Astrophysical Journal Letters, Vol. 501, Núm. 1, pp. L17-L20

1997

  1. The TeV gamma-ray spectrum of markarian 421 during an intense flare

    Astrophysical Journal, Vol. 490, Núm. 2 PART II

  2. Very high-energy observations of PSR B1951 + 32

    Astrophysical Journal, Vol. 489, Núm. 1 PART I, pp. 170-174

1996

  1. Observations of gamma-ray sources at energies > 300 GeV

    Astronomy and Astrophysics Supplement Series, Vol. 120, Núm. 4, pp. 603-606