Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: QCD-improved limits from neutrinoless double beta decay   We analyze the impact of QCD corrections on limits derived from neutrinoless
double beta decay ($0\nu\beta\beta$). As demonstrated previously, the effect of
the color-mismatch arising from loops with gluons linking the quarks from
different color-singlet currents participating in the effective operators has a
dramatic impact on the predictions for some particular Wilson coefficients.
Here, we consider all possible contributions from heavy particle exchange, i.e.
the so-called short-range mechanism of $0\nu\beta\beta$ decay. All high-scale
models (HSM) in this class match at some scale around a $\sim$ few TeV with the
corresponding effective theory, containing a certain set of effective
dimension-9 operators. Many of these HSM receive contributions from more than
one of the basic operators and we calculate limits on these models using the
latest experimental data. We also show with one non-trivial example, how to
derive limits on more complicated models, in which many different Feynman
diagrams contribute to $0\nu\beta\beta$ decay, using our general method.

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The categories of this paper are: atom-ph
23
The categories of this paper are: solv-int
15
The categories of this paper are: nucl-ex
7
The categories of this paper are: hep-th
13
The categories of this paper are: quant-ph
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The categories of this paper are: ao-sci
1
The categories of this paper are: cs
37
The categories of this paper are: supr-con
4
The categories of this paper are: cond-mat
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The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th
9
The categories of this paper are: nlin
10
The categories of this paper are: q-bio
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The categories of this paper are: comp-gas
26
The categories of this paper are: bayes-an
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The categories of this paper are: mtrl-th