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Measuring Flavor Ratios of High-Energy Astrophysical Neutrinos
- J. Beacom, N. Bell, D. Hooper, S. Pakvasa, T. Weiler
- Physics
- 1 July 2003
We discuss the prospects for next generation neutrino telescopes, such as IceCube, to measure the flavor ratios of high-energy astrophysical neutrinos. The expected flavor ratios at the sources are… Expand
Cosmic neutrino pevatrons: A brand new pathway to astronomy, astrophysics, and particle physics
- L. Anchordoqui, V. Barger, +8 authors T. Weiler
- Physics
- 23 December 2013
Abstract The announcement by the IceCube Collaboration of the observation of 28 cosmic neutrino candidates has been greeted with a great deal of justified excitement. The data reported so far depart… Expand
Resonant absorption of cosmic-ray neutrinos by the relic-neutrino background
- T. Weiler
- Physics
- 19 July 1982
Within the framework of standard big-bang cosmology and the standard electroweak model, it is shown that ..nu..nu-bar annihilation on the Z resonance is the only cosmic-ray process sensitive to relic… Expand
Neutrinos as a diagnostic of high energy astrophysical processes [rapid communication]
- L. Anchordoqui, H. Goldberg, F. Halzen, T. Weiler
- Physics
- 1 October 2004
Abstract A leading candidate for the extragalactic source of high energy cosmic rays is the Fermi engine mechanism, in which protons confined by magnetic fields are accelerated to very high energy… Expand
An evaluation of the exposure in nadir observation of the JEM-EUSO mission
- J. H. Adams, S. Ahmad, +258 authors A. Z. Marchi
- Physics
- 1 April 2013
We evaluate the exposure during nadir observations with JEM-EUSO, the Extreme Universe Space Observatory, on-board the Japanese Experiment Module of the International Space Station. Designed as a… Expand
Relic neutrino absorption spectroscopy
- B. Eberle, A. Ringwald, L. Song, T. Weiler
- Physics
- 26 January 2004
Resonant annihilation of extremely high-energy cosmic neutrinos on big-bang relic anti-neutrinos (and vice versa) into Z-bosons leads to sizable absorption dips in the neutrino flux to be observed at… Expand
TeV γ rays and neutrinos from photodisintegration of nuclei in Cygnus OB2
- L. Anchordoqui, J. Beacom, H. Goldberg, S. Palomares-Ruiz, T. Weiler
- Physics
- 20 November 2006
TeV {gamma}-rays may provide significant information about high energy astrophysical accelerators. Such {gamma}-rays can result from the photo-de-excitation of PeV nuclei after their parents have… Expand
Pinning down the cosmic ray source mechanism with new IceCube data
- L. Anchordoqui, H. Goldberg, Morgan H. Lynch, A. Olinto, T. Paul, T. Weiler
- Physics
- 20 June 2013
Very recently the IceCube Collaboration has reported an observation of 28 neutrino candidates with energies between 50 TeV and 2 PeV, constituting a 4.1$\sigma$ excess compared to the atmospheric… Expand
Decay of high-energy astrophysical neutrinos.
- J. Beacom, N. Bell, D. Hooper, S. Pakvasa, T. Weiler
- Physics, Medicine
- Physical review letters
- 19 November 2002
Existing limits on the nonradiative decay of one neutrino to another plus a massless particle (e.g., a singlet Majoron) are very weak. The best limits on the lifetime to mass ratio come from solar… Expand
Probing Planck scale physics with IceCube
- L. Anchordoqui, H. Goldberg, +4 authors T. Weiler
- Physics
- 17 June 2005
Neutrino oscillations can be affected by decoherence induced e.g. by Planck scale suppressed interactions with the space-time foam predicted in some approaches to quantum gravity. We study the… Expand
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