OMNISita: the technology testbed for OMNIS

Alexander Murphy, Richard Boyd

Research output: Contribution to conferenceAbstractpeer-review


The Observatory for Multiflavor NeutrInos from Supernovae (OMNIS) is planned to be sited at the Waste Isolation Pilot Plant (WIPP) in New Mexico. It will utilize neutrons, liberated by the neutral current interactions of all flavors of neutrinos from a Galactic supernova with blocks of lead and iron, to provide a unique diagnostic of the core collapse mechanism, and to explore the mass and oscillation aspects of neutrinos. Extensive Monte Carlo simulations, together with preliminary detector tests at the Ohio State University, suggest that a gadolinium loaded liquid scintillator based approach offers a cost efficient method of detecting the neutrons, while also providing features such as excellent discrimination against background signals, fast event timing, and longevity appropriate to the Galactic supernovae rate. To support these findings with more significant measurements, OMNISita is now being built and tested at the WIPP, and will consist of some 30-60 T of lead together with scintillator, tanks, and electronics configured closely to that anticipated for OMNIS. The current status of the OMNISita project will be presented
Original languageEnglish
Publication statusPublished - 1 Apr 2001


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