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Search for Lorentz invariance and CPT violation with muon antineutrinos in the MINOS Near Detector

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arxiv 1201.2631 v2 pith:Y5QHWD7J submitted 2012-01-12 hep-ex

Search for Lorentz invariance and CPT violation with muon antineutrinos in the MINOS Near Detector

classification hep-ex
keywords minosantineutrinoscoefficientsdetectorlimitsnearratesidereal
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We have searched for sidereal variations in the rate of antineutrino interactions in the MINOS Near Detector. Using antineutrinos produced by the NuMI beam, we find no statistically significant sidereal modulation in the rate. When this result is placed in the context of the Standard Model Extension theory we are able to place upper limits on the coefficients defining the theory. These limits are used in combination with the results from an earlier analysis of MINOS neutrino data to further constrain the coefficients.

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