On the Day-Night Effect and CC to NC Event Rate Ratio Predictions for the SNO Detector

Abstract

Detailed predictions for the D-N asymmetry for the Super-Kamiokande and SNO experiments, as well as for the ratio of the CC and NC event rates measured by SNO, in the cases of the LMA MSW and of the LOW solutions of the solar neutrino problem, are derived. The possibilities to further constrain the regions of the LMA MSW and LOW solutions of the solar neutrino problem by using the forthcoming SNO data on the D-N asymmetry and on the CC to NC event rate ratio are also discussed.

16 pages, LATEX; 10 pages of text, 12 eps-files; the text includes 6 figures; results and conclusions unchanged, the iso-(D-N) asymmetry and CC to NC event rate ratio contour plots (Figs. 1 - 6) are given in the Δm^2 - \tan^2θplane, a comment about the uncertainty in the theoretical predictions for CC to NC event rate ratio in the absence of solar neutrino oscillations and one sub-figure added; contains 3 more figures with respect to the version to be published in Physics Letters B

References in corpus (5)

• Solar 8B and hep Neutrino Measurements from 1258 Days of Super-Kamiokande Data
• Global Analysis of Solar Neutrino Oscillations Including SNO CC Measurement
• Model-dependent and independent implications of the first Sudbury Neutrino Observatory results
• Analytical description of quasivacuum oscillations of solar neutrinos
• Piecing the Solar Neutrino Puzzle Together at SNO

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• Exploring the sensitivity of current and future experiments to ${\theta }_{\odot }$
• High Precision Measurements of ${\theta }_{\odot }$ in Solar and Reactor Neutrino Experiments
• Evidence for Mikheyev-Smirnov-Wolfenstein effects in solar neutrino flavor transitions
• Constraints on Neutrino Parameters from Neutral-Current Solar Neutrino Measurements
• Reactor Anti-Neutrino Oscillations and Gadolinium Loaded Super-Kamiokande Detector
• Oscillation tomography of the Earth with solar neutrinos and future experiments
• On the Measurement of Solar Neutrino Oscillation Parameters with KamLAND
• Solar neutrino oscillations and indications of matter effects in the Sun
• Five Adjustable Parameter Fit of Quark and Lepton Masses and Mixings