Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: New Physics in Rare B Decays after Moriond 2021   The anomalies in rare $B$ decays endure. We present results of an updated
global analysis that takes into account the latest experimental input -- in
particular the recent results on $R_K$ and BR$(B_s \to \mu^+\mu^-)$ -- and that
qualitatively improves the treatment of theory uncertainties. Fit results are
presented for the Wilson coefficients of four-fermion contact interactions. We
find that muon specific Wilson coefficients $C_9 \simeq -0.73$ or $C_9 =
-C_{10} \simeq -0.39$ continue to give an excellent description of the data. If
only theoretically clean observables are considered, muon specific $C_{10}
\simeq 0.60$ or $C_9=-C_{10} \simeq -0.35$ improve over the Standard Model by
$\sqrt{\Delta \chi^2} \simeq 4.7\sigma$ and $\sqrt{\Delta \chi^2} \simeq
4.6\sigma$, respectively. In various new physics scenarios we provide
predictions for lepton flavor universality observables and CP asymmetries that
can be tested with more data. We update our previous combination of ATLAS, CMS,
and LHCb data on BR$(B_s \to \mu^+\mu^-)$ and BR$(B^0\to \mu^+\mu^-)$ taking
into account the full two-dimensional non-Gaussian experimental likelihoods.

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The categories of this paper are: nlin
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The categories of this paper are: eess
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The categories of this paper are: atom-ph
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The categories of this paper are: cs
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The categories of this paper are: hep-lat
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The categories of this paper are: physics
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The categories of this paper are: math
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The categories of this paper are: bayes-an
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The categories of this paper are: q-bio
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The categories of this paper are: q-fin
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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: gr-qc
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The categories of this paper are: solv-int
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The categories of this paper are: adap-org
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The categories of this paper are: q-alg