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Testing for CPT Violation in B0s Semileptonic Decays

2013/09/18 by R. Van Kooten, Van Kooten, R.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #Neutrino Physics Research #Particle Detector Development and Performance #Particle physics theoretical and experimental studies #hep-ex #hep-ph

paper · pdf · doi:10.48550/arxiv.1309.4541

Presented at the Sixth Meeting on CPT and Lorentz Symmetry, Bloomington, Indiana, June 17-21, 2013; 4 pages

arxiv created 2013/09/18 · openalex publication_date 2013/09/18 · arxiv updated 2013/09/19 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A D0 analysis measuring the charge asymmetry Absl of like-sign dimuon events due to semileptonic b-hadron decays at the Fermilab Tevatron Collider has shown indications of possible anomalous CP violation in the mixing of neutral B mesons. This result has been used to extract the first senstivity to CPT violation in the B0s system. A procedure to explore further this anomaly by specifically measuring the semileptonic charge asymmetry, assl, in B0s decays is described, as well as how a variant of this analysis can be used to explore a larger set of CPT-violating parameters in the B0s system for the first time.

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