Measurements of CPT Violation at LHCb

2016/07/13 by Jeroen van Tilburg, van Tilburg, Jeroen
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #hep-ex #hep-ph

paper · pdf · doi:10.48550/arxiv.1607.03620

Presented at the Seventh Meeting on CPT and Lorentz Symmetry, Bloomington, Indiana, June 20-24, 2016

arxiv created 2016/07/13 · arxiv updated 2019/08/13

Abstract

Recent measurements of CPT violation and Lorentz symmetry breaking in B⁰-B⁰ mixing and B⁰_s-B⁰_s mixing, obtained from data taken by the LHCb experiment, are highlighted. The results are expressed in terms of the Standard-Model Extension (SME) coefficients, which incorporate both CPT and Lorentz violation. Due to the large boost of the B mesons at LHCb, the SME coefficients can be determined with high precision. The bounds on these coefficients are improved significantly compared to previous measurements.

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