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Search for Violation of CPT and Lorentz Invariance in B s O Meson Oscillations
D0 Collaboration Abazov, V. M. Abbott, B. Acharya, B. S. Adams, M. Adams, T. Baringer, Philip S. Bean, Alice Chen, G. Clutter, Justace Randall
D0 Collaboration
Abazov, V. M.
Abbott, B.
Acharya, B. S.
Adams, M.
Adams, T.
Baringer, Philip S.
Bean, Alice
Chen, G.
Clutter, Justace Randall
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Abstract
We present the first search for CPT-violating effects in the mixing of B0s mesons using the full Run II data set with an integrated luminosity of 10.4 fb−1 of proton-antiproton collisions collected using the D0 detector at the Fermilab Tevatron Collider. We measure the CPT-violating asymmetry in the decay B0s→μ±D±s as a function of celestial direction and sidereal phase. We find no evidence for CPT-violating effects and place limits on the direction and magnitude of flavor-dependent CPT- and Lorentz-invariance violating coupling coefficients. We find 95% confidence intervals of Δa⊥<1.2×10−12 GeV and (−0.8<ΔaT−0.396ΔaZ<3.9)×10−13 GeV.
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2015-10-16
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American Physical Society (APS)
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Abazov_2015_APS.pdf
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Abazov, V. M., Abbott, B., Acharya, B. S., Adams, M., Adams, T., Agnew, J. P., … Askew, A. (2015). Search for Violation of C P T and Lorentz Invariance in B s 0 Meson Oscillations . Physical Review Letters, 115(16). doi:10.1103/physrevlett.115.161601