Experiments For CP-Violation: A Giant Liquid Argon Scintillation, Cerenkov And Charge Imaging Experiment ?

Abstract

In this paper we address a class of ``ultimate'' generation experiments for the search of CP-violation in neutrino oscillations. Neutrino factories require large magnetized detectors. New generation superbeams or beta-beams need giant detectors. The liquid Argon TPC technology has great potentials for both applications. Although the ICARUS program has demonstrated that this technology is mature, the possibility to built a giant liquid argon TPC is viewed by many as a technically impossible and unsafe task. We argue that a giant liquid argon Cerenkov and charge Imaging experiment would be an ideal match for a superbeam or a betabeam. Such a detector would in addition cover a broad physics program, including the observation of atmospheric neutrinos, solar neutrinos, supernova neutrinos, and search for proton decays, in addition to the accelerator physics program. We show a potential implementation of such a giant LAr detector and argue that it could be technically feasible. The possibility to host such a detector in an underground cavern is under study.

30 pages, 15 figures, Invited talk at the II International Workshop on: Neutrino Oscillations in Venice, Venice (Italy), December 2003

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• Rayleigh Scattering in Rare Gas Liquids
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• Neutrino Oscillations With A Next Generation Liquid Argon TPC Detector in Kamioka or Korea Along The J-PARC Neutrino Beam
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