activity
19932020
most citedIntergalactic Photon Spectra from the Far IR to the UV Lyman Limit for and the Optical Depth of the Universe to High Energy Gamma-Rays

351 citations · 1.3k across the 24 of their papers we have counts for

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Showing astro-ph.HEShow all

5 papers · 1 filter

astro-ph.HE2016★ 79 cited

An Empirical Determination of the Intergalactic Background Light from UV to FIR Wavelengths Using FIR Deep Galaxy Surveys and the Gamma-ray Opacity of the Universe

Floyd W. Stecker, Sean T. Scully, Matthew A. Malkan

We have previously calculated the intergalactic background light (IBL) as a function of redshift in the far ultraviolet to near infrared range, based purely on data from deep galax…

astro-ph.HE2014★ 59 cited

Propagation of Superluminal PeV IceCube Neutrinos: A High Energy Spectral Cutoff or New Constraints on Lorentz Invariance Violation

Floyd W. Stecker, Sean T. Scully

The IceCube observation of cosmic neutrinos with TeV, most of which are likely of extragalactic origin, allows one to severely constrain Lorentz invariance violation (LI…

astro-ph.HE2014★ 28 cited

An Empirical Determination of the Intergalactic Background Light Using NIR Deep Galaxy Survey Data out to 5 microns and the Gamma-ray Opacity of the Universe

Sean T. Scully, Matthew A. Malkan, Floyd W. Stecker

We extend our previous model-independent determination of the intergalactic background light (IBL), based purely on galaxy survey data, out to a wavelength of 5 microns. Our approa…

astro-ph.HE2012

A Determination of the Intergalactic Redshift Dependent UV-Optical-NIR Photon Density Using Deep Galaxy Survey Data and the Gamma-ray Opacity of the Universe

Floyd W. Stecker, Matthew A. Malkan, Sean T. Scully

We calculate the intensity and photon spectrum of the intergalactic background light (IBL) as a function of redshift using an approach based on observational data obtained in many…

astro-ph.HE2009★ 66 cited

Searching for New Physics with Ultrahigh Energy Cosmic Rays

Floyd W. Stecker, Sean T. Scully

Ultrahigh energy cosmic rays that produce giant extensive showers of charged particles and photons when they interact in the Earth's atmosphere provide a unique tool to search for…