Toward Hybrid Optical/Radio/Acoustic Detection of EeV Neutrinos

Details Toward Hybrid Optical/Radio/Acoustic Detection of EeV Neutrinos Toward Hybrid Optical/Radio/Acoustic Detection of EeV Neutrinos

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jphcs..60..288v&link_type=abstract

Journal of Physics: Conference Series, Volume 60, Issue 1, pp. 288-291 (2007).

Physics

4

Scientific paper

Astrophysical neutrinos at EeV energies promise to be an interesting source for astrophysics and particle physics. Detecting the predicted cosmogenic (Greisen-Zatsepin- Kusmin, "GZK") neutrinos at 1016 - 1020 eV would test models of cosmic ray production at these energies and probe particle physics at ~100 TeV center-of-mass energy. IceCube may be able to detect ~10 GZK events per year with an extension including optical, radio, and acoustic receivers sparsely arrayed surrounding the optical core. Such a detector would feature crosscalibration with coincident events and would allow superior background rejection capability, energy and direction resolution, and confidence in discovered signals compared to single-method detectors. We present estimates of the neutrino effective volume for such a hybrid array both with the single-method sub-arrays independently and requiring combinations of sub-arrays to detect the same events. We also present ideas on hybrid event reconstruction and results from a proof-of-principle Monte Carlo test of a hybrid reconstruction algorithm.

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