AMANDA Observations Constrain the Ultrahigh Energy Neutrino Flux
May, 20064 pages
Published in:
- Phys.Rev.Lett. 97 (2006) 099901,
- Phys.Rev.Lett. 97 (2006) 071101 (erratum)
e-Print:
- astro-ph/0605103 [astro-ph]
DOI:
Report number:
- MADPH-06-1465,
- FERMILAB-PUB-06-097-A
Experiments:
Citations per year
Abstract: (arXiv)
A number of experimental techniques are currently being deployed in an effort to make the first detection of ultra-high energy cosmic neutrinos. To accomplish this goal, techniques using radio and acoustic detectors are being developed, which are optimally designed for studying neutrinos with energies in the PeV-EeV range and above. Data from the AMANDA experiment, in contrast, has been used to place limits on the cosmic neutrino flux at less extreme energies (up to ~10 PeV). In this letter, we show that by adopting a different analysis strategy, optimized for much higher energy neutrinos, the same AMANDA data can be used to place a limit competitive with radio techniques at EeV energies. We also discuss the sensitivity of the IceCube experiment, in various stages of deployment, to ultra-high energy neutrinos.- 98.70.Sa
- 95.55.Vj
- 95.85.Ry
- neutrino: cosmic radiation
- cosmic radiation: flux
- cosmic radiation: cascade
- data analysis method
- showers: hadronic
- showers: electromagnetic
- AMANDA
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