Physics – High Energy Physics
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..272.1250b&link_type=abstract
Proceedings of the XXVI International Conference on High Energy Physics. Vol. II. AIP Conference Proceedings, Volume 272, pp. 1
Physics
High Energy Physics
Cherenkov Detectors
Scientific paper
High energy neutrino radiation provides us with a tomographic tool to scan the Universe. Sites shielded by a few hundred grams of matter are not revealed by light, whatever its wavelength. High energy neutrinos are decay products of pions and therefore are a signature of the most energetic cosmic processes. It is proposed to instrument the polar ice cap as a low-noise particle detector sensing the Cherenkov light from neutrino-induced muons. This paper describes the successful operation of a prototype string of optical modules that were deployed on January 17, 1992 at the South Pole. The advantages of the method are intriguing. The ice has good optical transmission and provides a mechanical structure to support the instrument. Ice is a quiet, sterile medium where photomultiplier tubes experience low background counting rates. The low background allows us to develop electronics and triggering schemes that are simple and can be installed at the surface and thus remain accessible after deployment of the PMTs under 1 km of ice. NSF has recently approved our proposal to construct a detector that will have an area over one order of magnitude larger than the largest of the present generation of underground detectors.
Barwick Steve
Halzen Francis
Jacobsen Janet
Kandhadai V.
Lowder Douglas
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