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Limits on the Decay-Rate Difference of Neutral<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>B</mml:mi></mml:math>Mesons and on<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math>,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>T</mml:mi></mml:math>, and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:…
Using events in which one of two neutral $B$ mesons from the decay of an $\ensuremath{\Upsilon}(4S)$ meson is fully reconstructed, we determine parameters governing decay $(\ensuremath{\Delta}{\ensuremath{\Gamma}}_{d}/{\ensuremath{\Gamma}}_{d})$, $CP$, and $T$ violation ($|q/p|$), and $CP$ and $CPT$ violation ($\mathrm{Re}\text{ }\mathsf{z},\mathrm{Im}\text{ }\mathsf{z}$). The results, obtained from an analysis of $88\ifmmode\times\else\texttimes\fi{}{10}^{6}$ $\ensuremath{\Upsilon}(4S)$ decays recorded …