Actions for Long baseline neutrino oscillation experiment at the AGS. Physics design report [electronic resource].

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Long baseline neutrino oscillation experiment at the AGS. Physics design report [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1995.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
270 pages : digital, PDF file
Additional Creators
Brookhaven National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The authors present a design for a multi-detector long baseline neutrino oscillation experiment at the BNL AGS. It has been approved by the BNL-HENP-PAC as AGS Experiment 889. The experiment will search for oscillations in the ν{sub μ}, disappearance channel and the ν{sub μ} ↔ ν{sub e} appearance channel by means of four identical neutrino detectors located 1, 3, 24, and 68km from the AGS neutrino source. Observed depletion of the ν{sub μ} flux (via quasi-elastic muon neutrino events, ν{sub μ}n → μ{sup −}p) in the far detectors not attended by an observed proportional increase of the ν{sub e} flux (via quasi-elastic electron neutrino events, ν{sub e}n → e{sup −}p) in those detectors will be prima facie evidence for the oscillation channel ν{sub μ} ↔ ν{sub τ}. The experiment is directed toward exploration of the region of the neutrino oscillation parameters Δm² and sin²2θ, suggested by the Kamiokande and IMB deep underground detectors but it will also explore a region more than two orders of magnitude larger than that of previous accelerator experiments. The experiment will run in a mode new to BNL. It will receive the fast extracted proton beam on the neutrino target approximately 20 hours per day when the AGS is not filling RHIC. A key aspect of the experimental design involves placing the detectors 1.5 degrees off the center line of the neutrino beam, which has the important advantage that the central value of the neutrino energy (≈ 1 GeV) and the beam spectral shape are, to a good approximation, the same in all four detectors. The proposed detectors are massive, imaging, water Cherenkov detectors similar in large part to the Kamiokande and IMB detectors. The design has profited from their decade-long experience, and from the detector designs of the forthcoming SNO and SuperKamiokande detectors.
Report Numbers
E 1.99:bnl--52459
bnl--52459
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
04/01/1995.
"bnl--52459"
"DE95004378"
Carroll, A.; Beavis, D.; Chiang, I.; E889 Collaboration.
Funding Information
AC02-76CH00016
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