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  • PhysRevLett.115.161601

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Search for violation of CPT and Lorentz invariance in B0s Meson oscillations

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Article number161601
<mark>Journal publication date</mark>14/10/2015
<mark>Journal</mark>Physical Review Letters
Issue number16
Number of pages8
<mark>Original language</mark>English


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 American Physical Society