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Testing Lorentz Invariance and CPT Conservation with NuMI Neutrinos in the MINOS Near Detector

Adamson, P; Andreopoulos, C; Arms, KE; Armstrong, R; Auty, DJ; Ayres, DS; Baller, B; ... MINOS Collaboration; + view all (2008) Testing Lorentz Invariance and CPT Conservation with NuMI Neutrinos in the MINOS Near Detector. PHYS REV LETT , 101 (15) , Article 151601. 10.1103/PhysRevLett.101.151601. Green open access

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Abstract

A search for a sidereal modulation in the MINOS near detector neutrino data was performed. If present, this signature could be a consequence of Lorentz and CPT violation as predicted by the effective field theory called the standard-model extension. No evidence for a sidereal signal in the data set was found, implying that there is no significant change in neutrino propagation that depends on the direction of the neutrino beam in a sun-centered inertial frame. Upper limits on the magnitudes of the Lorentz and CPT violating terms in the standard-model extension lie between 10(-4) and 10(-2) of the maximum expected, assuming a suppression of these signatures by a factor of 10(-17).

Type: Article
Title: Testing Lorentz Invariance and CPT Conservation with NuMI Neutrinos in the MINOS Near Detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.101.151601
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.101.151601
Language: English
Additional information: © 2008 The American Physical Society
Keywords: STANDARD MODEL, VIOLATION
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery-pp.ucl.ac.uk/id/eprint/148301
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