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Disentangling violations of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>CPT</mml:mi></mml:math>from other new-physics effects
We analyze the prospects for observing $\mathrm{CPT}$ violation using neutral-meson ${P}^{0}\ensuremath{-}{P}^{0}\ifmmode\bar\else\textasciimacron\fi{}$ systems. Before one can claim a measurement of $\mathrm{CPT}$ violation, one must be able to rule out the possibility that its result is due to simpler new-physics effects. In particular, one must be able to separate the $\mathrm{CPT}$-violating quantities …