Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Weak-Interaction Tests via Precision Superallowed $\beta$-Decay Studies
  at TRIUMF   Superallowed $\beta$-decay studies provide some of the best constraints on
the possibility of additional quark generations, as well as limits on exotic
currents in the weak interaction. The three experimental quantities that are
required for performing these tests using $0^+\rightarrow0^+$ nuclear decays
(branching ratio, half-life, and $Q$-value) can all be measured to
high-precision with rare-isotope beams at the TRIUMF-ISAC facility in
Vancouver, Canada. This proceeding presents a brief outline of the general
experimental techniques used at TRIUMF over the past 15 years, as well as
recent theoretical advances towards {\it ab-initio} isospin-symmetry-breaking
corrections to superallowed nuclear decays.

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The categories of this paper are: hep-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: cs
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The categories of this paper are: math
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The categories of this paper are: hep-th
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The categories of this paper are: plasm-ph
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The categories of this paper are: q-bio
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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: cond-mat
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The categories of this paper are: mtrl-th
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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: dg-ga
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The categories of this paper are: econ
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The categories of this paper are: astro-ph