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Tests of CPT symmetry in B0- B 0 mixing and in B0 →c c K0 decays

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Using the eight time dependences e − Γ t ( 1 + C i cos Δ m t + S i sin Δ m t ) for the decays Υ ( 4 S ) → B 0 ¯ B 0 → f j f k , with the decay into a flavor-specific state f j = ℓ ± X before or after the decay into a C P eigenstate f k = c ¯ c K S , L , as measured by the BABAR experiment, we determine the three C P T -sensitive parameters Re ( z ) and Im ( z ) in B 0 − ¯ B 0 mixing and | ¯ A / A | in B 0 → c ¯ c K 0 decays. We find Im ( z ) = 0.010 ± 0.030 ± 0.013 , Re ( z ) = − 0.065 ± 0.028 ± 0.014 , and | ¯ A / A | = 0.999 ± 0.023 ± 0.017 , in agreement with C P T symmetry.

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Physical Review D, 2016, vol. 94, num. 1

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Articles publicats en revistes (Física Quàntica i Astrofísica)

# metadata.dc.title[].value
Tests of CPT symmetry in B0- B 0 mixing and in B0 →c c K0 decays