Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Direct CP Violation In Radiative B Decays   We discuss the role of the radiative B decays $B \to X_{s/d} \gamma$ in our
search for new physics focusing on the issue of direct CP violation. We discuss
in some detail a SM prediction for the CP asymmetries in inclusive $b \to s/d$
transitions, namely $\mid \Delta {\cal B}(B \to X_s \gamma) + \Delta {\cal B}(B
\to X_d \gamma) \mid \sim 1 \cdot 10^{-9}$. Any measured value in significant
deviation of this estimate would indicate new sources of CP violation beyond
the CKM phase.

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The categories of this paper are: q-bio
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The categories of this paper are: ao-sci
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The categories of this paper are: nlin
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The categories of this paper are: cs
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The categories of this paper are: astro-ph
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The categories of this paper are: plasm-ph
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The categories of this paper are: math
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The categories of this paper are: comp-gas
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The categories of this paper are: funct-an
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The categories of this paper are: q-alg
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The categories of this paper are: acc-phys
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The categories of this paper are: physics
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The categories of this paper are: bayes-an
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The categories of this paper are: econ
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The categories of this paper are: solv-int
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The categories of this paper are: atom-ph