Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Time Dependence of Coherent $P^{0}\bar{P}^{0}$ Decays and CP Violation
  at Asymmetric $B$ Factories   A generic formalism is presented for the time-dependent or time-integrated
decays of any coherent $P^{0}\bar{P}^{0}$ system ($P^{0} = K^{0}, D^{0},
B^{0}_{d}$, or $B^{0}_{s}$). To meet various possible measurements at
asymmetric $B$ factories, we reanalyze some typical signals of CP violation in
the coherent $B^{0}_{d}\bar{B}^ {0}_{d}$ transitions. The advantage of proper
time cuts is illustrated for measuring mixing parameters and CP violation. We
show that the direct and indirect CP asymmetries are distinguishable in neutral
B decays to CP eigenstates. The possibility to detect the CP- forbidden
processes at the $\Upsilon (4S)$ resonance is explored in some detail.

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The categories of this paper are: q-bio
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The categories of this paper are: alg-geom
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The categories of this paper are: nucl-ex
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The categories of this paper are: astro-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: cs
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The categories of this paper are: chem-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: chao-dyn
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The categories of this paper are: ao-sci
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The categories of this paper are: cond-mat
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The categories of this paper are: dg-ga
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The categories of this paper are: gr-qc
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The categories of this paper are: mtrl-th
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The categories of this paper are: eess
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The categories of this paper are: bayes-an