For comparison, Bugey-3 90% CL limit is also shown as the green dashed curve. The region of parameter space to the right side of the contours is excluded. The expected 95% CL 1 σ band in yellow is centered around the sensitivity curve, shown as a thin blue line. The black solid curve represents the 95% CL s exclusion contour. The red longdashed curve represents the 95% CL exclusion contour with the Feldman-Cousins method. More information related to Bugey-3 result reproduction can be found here: Presentation: Sterile Neutrino Search at Daya Bayĭaya Bay Sterile Neutrino Result with 8 anti-neutrino detectors configuration (October 2016)Įxclusion contours in the (sin 22θ 14, Δm 2 41) plane under the assumption of Δm 2 32 > 0 and Δm 2 41 > 0. The region to the right ofĬomparison of the Bugey-3 90% CL (blue) and the reproduced 90% CL (red) (RS) result, for the reproduced Bugey-3 result with adjustedįluxes, for the Daya Bay result, and for the combined Dayaīay and reproduced Bugey-3 results. The results are also shown in MINOS Official Websiteĭaya Bay and Bugey-3 Combined Sterile Neutrino Result (October 2016)Įxcluded regions for the original Bugey-3 Raster scan The arXiv paper can be found here: arXiv:1607.01177 The PRL paper describing the details of this joint analysis can be found here: Phys. We note that the excursion to small mixing in the exclusion contour at around Δm 2 41 ∼ 5 × 10 -3 eV 2 is due to the degenerate island in the MINOS exclusion limit. The regions excluded at 90% CL by the KARMEN2 Collaboration and the NOMAD Collaboration are also shown. Regions of parameter space to the right of the red contour are excluded. The results are also shown on the MINOS website Daya Bay/Bugey-3 and MINOS Combined Sterile Neutrino Result (October 2016)ĭaya Bay/Bugey-3 and MINOS combined 90% CL s limit on sin 22θ μ e compared to the LSND and MiniBooNE 90% CL allowed regions. Daya Bay/Bugey-3 and MINOS sterile neutrino combined results data is here: MINOS, Daya Bay + Bugey-3, and the combination CLs surfaces The Gaussian CL s method is used to set the exclusion contour, and here is a short note on how to use the χ 2 map to calculate CL s values: Gaussian CLs ReadMeĢ. Daya Bay 621 days sterile neutrino result χ 2 map: Daya Bay Chi2 Map data.
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