Search Results - "Scully, S. T"

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  1. 1

    Intergalactic Photon Spectra from the Far-IR to the UV Lyman Limit for 0 < z < 6 and the Optical Depth of the Universe to High-Energy Gamma Rays by Stecker, F. W, Malkan, M. A, Scully, S. T

    Published in The Astrophysical journal (10-09-2006)
    “…We calculate the intergalactic photon density as a function of both energy and redshift for 0 < z < 6 for photon energies from.003 eV to the Lyman limit cutoff…”
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    Journal Article
  2. 2

    A Simple Analytic Treatment of the Intergalactic Absorption Effect in Blazar Gamma-Ray Spectra by Stecker, F. W, Scully, S. T

    Published in The Astrophysical journal (20-11-2006)
    “…We derive a new and user-friendly simple analytic approximation for determining the effect of intergalactic absorption on the g-ray spectra of TeV blazars in…”
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    Lorentz invariance violation and the spectrum and source power of ultrahigh energy cosmic rays by Stecker, F.W., Scully, S.T.

    Published in Astroparticle physics (01-03-2005)
    “…Owing to their isotropy, it is generally believed that ultrahigh energy cosmic rays (UHECRs) are extragalactic in origin. It is then expected that interactions…”
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    Journal Article
  4. 4

    Lorentz invariance violation and the observed spectrum of ultrahigh energy cosmic rays by Scully, S.T., Stecker, F.W.

    Published in Astroparticle physics (01-04-2009)
    “…There has been much interest in possible violations of Lorentz invariance, particularly motivated by quantum gravity theories. It has been suggested that a…”
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    Journal Article
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    On the spectrum of ultrahigh energy cosmic rays and the γ-ray burst origin hypothesis by Scully, S.T., Stecker, F.W.

    Published in Astroparticle physics (2002)
    “…It has been suggested that cosmological γ-ray bursts (GRBs) can produce the observed flux of cosmic rays at the highest energies. However, recent studies of…”
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  7. 7

    Lorentz Invariance Violation and the Observed Spectrum of Ultrahigh Energy Cosmic Rays by Scully, S. T, Stecker, F. W

    Published 25-02-2009
    “…Astropart.Phys.31:220-225,2009 There has been much interest in possible violations of Lorentz invariance, particularly motivated by quantum gravity theories…”
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    Journal Article
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    The Spectrum of 1ES0229 + 200 and the Cosmic Infrared Background by Stecker, F. W, Scully, and S. T

    Published 09-11-2007
    “…Astronomy and Astrophysics 478, L1 (2008) We examine the effect of gamma-ray absorption by the extragalactic infrared radiation on intrinsic spectra predicted…”
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    A Simple Analytic Treatment of the Intergalactic Absorption Effect in Blazar Gamma-ray Spectra by Stecker, F. W, Scully, S. T

    Published 04-08-2006
    “…Astrophys.J.652:L9-L11,2006 We derive a new and user friendly simple analytic approximation for determining the effect of intergalactic absorption in the…”
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    Journal Article
  13. 13

    Lorentz Invariance Violation and the Spectrum and Source Power of Ultrahigh Energy Cosmic Rays by Stecker, F. W, Scully, S. T

    Published 17-12-2004
    “…Astropart.Phys. 23 (2005) 203-209 Owing to their isotropy, it is generally believed that ultrahigh energy cosmic rays (UHECRs) are extragalactic in origin. It…”
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    Journal Article
  14. 14

    Corrected Table for the Parametric Coefficients for the Optical Depth of the Universe to Gamma-rays at Various Redshifts by Stecker, F. W, Malkan, M. A, Scully, S. T

    Published 01-12-2006
    “…Astrophys.J.658:1392,2007 Table 1 in our paper, ApJ 648, 774 (2006) entitled "Intergalactic Photon Spectra from the Far IR to the UV Lyman Limit for 0 < z < 6…”
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  15. 15

    Intergalactic Photon Spectra from the Far IR to the UV Lyman Limit for $0 < z < 6$ and the Optical Depth of the Universe to High Energy Gamma-Rays by Stecker, F. W, Malkan, M. A, Scully, S. T

    Published 14-10-2005
    “…Astrophys.J.648:774-783,2006 We calculate the intergalactic photon density as a function of both energy and redshift for 0 < z < 6 for photon energies from…”
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    Journal Article
  16. 16

    On the spectrum of Ultrahigh Energy Cosmic Rays and the Gamma Ray Burst Origin Hypothesis by Scully, S. T, Stecker, F. W

    Published 08-06-2000
    “…Astropart.Phys. 16 (2002) 271-276 It has been suggested that cosmological gamma-ray bursts (GRBs) can produce the observed flux of cosmic rays at the highest…”
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    Journal Article
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    Light Element Evolution and Cosmic Ray Energetics by Ramaty, R, Scully, S. T, Lingenfelter, R. E, Kozlovsky, B

    Published 01-09-1999
    “…Using cosmic-ray energetics as a discriminator, we investigate evolutionary models of LiBeB. We employ a Monte Carlo code which incorporates the delayed mixing…”
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    Error estimation for the MAP experiment by Prunet, S, Teyssier, R, Scully, S. T, Bouchet, F. R, Gispert, R

    Published 26-12-2000
    “…We report here the first full sky component separation and CMB power spectrum estimation using a Wiener filtering technique on simulated data from the upcoming…”
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