Grand Unification Signal from Ultra High Energy Cosmic Rays?

Abstract

The spectrum of ultrahigh energy (above \approx 10^{9} GeV) cosmic rays is consistent with the decay of GUT scale particles. The predicted mass is m_X=10^b GeV, where b=14.6_{-1.7}^{+1.6}.

4 pages, 3 figures one figure removed, one table added, conclusions essentially remained the same within errorbars

References in corpus (8)

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• Propagation of ultra-high energy protons in the nearby universe
• Cluster Analysis of Extremely High Energy Cosmic Rays in the Northern Sky
• Monte Carlo simulation for jet fragmentation in SUSY-QCD
• QCD studies with e+e- annihilation data at 172-189 GeV
• Ultra High Energy Cosmic Rays from Compact Sources
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Cited by in corpus (43)

• Ultra-High Energy Neutrino Fluxes and Their Constraints
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• Ultrahigh Energy Cosmic Rays: The state of the art before the Auger Observatory
• Ultra-High Energy Neutrino Fluxes: New Constraints and Implications
• An upper limit to the photon fraction in cosmic rays above 10^19 eV from the Pierre Auger Observatory
• Search for ultra-high energy photons using air showers
• Fragmentation functions in SUSY QCD and UHECR spectra produced in top-down models
• Determination of absolute neutrino masses from Z-bursts
• Detailed analysis of the decay spectrum of a super-heavy X particle
• Ultra-high energy cosmic rays from annihilation of superheavy dark matter
• Production of ultra-energetic cosmic rays through the decay of super-heavy X particles
• Upper limit on the photon fraction in highest-energy cosmic rays from AGASA data
• Relic neutrino masses and the highest energy cosmic rays
• The hadronization of partons
• Exotic Neutrino Interactions at the Pierre Auger Observatory
• Production and propagation of ultra-high energy photons using CRPropa 3
• IceHEP High Energy Physics at the South Pole
• Electroweak instantons as a solution to the ultrahigh energy cosmic ray puzzle
• A C++ Code to Solve the DGLAP Equations Applied to Ultra High Energy Cosmic Rays
• Probing Neutrino Dark Energy with Extremely High-Energy Cosmic Neutrinos
• Decaying Superheavy Dark Matter and Subgalactic Structure of the Universe
• SUSY In The Sky: Observing Ultra-High Energy Cosmic Neutralinos
• Cosmic UHE Neutrino Signatures
• Neutralino spectrum in top-down models of UHECR
• Signatures of cosmic tau-neutrinos
• Ultra High Energy Cosmic Rays Spectra in Top-Down models
• Ultra-high energy cosmic rays, cosmological constant, and $\theta$-vacua
• SUSY Resonances from UHE neutralinos in Neutrino Telescopes and in the Sky
• Hard component of ultra-high energy cosmic rays and vortons
• Probing mSUGRA via the Extreme Universe Space Observatory
• Matter in a Warped and Oscillating Background
• The Passage of Ultrarelativistic Neutralinos through Matter
• Ultrahigh energy cosmic rays from dark matter annihilation
• Ultrahigh energy cosmic rays from collisional annihilation revisited
• Revisiting the propagation of highly-energetic gamma rays in the Galaxy
• Super-heavy X particle decay and Ultra-High Energy Cosmic Rays
• On The Injection Spectrum of Ultrahigh Energy Cosmic Rays in the Top-Down Scenario
• Particle Physics Explanations for Ultra High Energy Cosmic Ray Events
• Search for Ultra-High Energy Photons with the Pierre Auger Observatory
• Estimation of Baryon Asymmetry from Dark Matter Decaying into IceCube Neutrinos
• The Mysteries of the Highest Energy Cosmic Rays
• Ultra high energy cosmic rays: clustering, GUT scale and neutrino masses