Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: New perturbative upper bound on M_H from fermionic Higgs decays at two
  loops   We present the dominant two-loop ${\rm O}\left(G_F^2M_H^4\right)$ electroweak
corrections to the fermi\-onic decay widths of a high-mass Higgs boson in the
Standard Model. The corrections are negative and quite significant, and are
larger in magnitude than the one-loop electroweak corrections for $M_H\gsim
400\ {\rm GeV}$. This indicates the onset of a breakdown of perturbation theory
in the Higgs sector of the Standard Model at this surprisingly low value of the
Higgs-boson mass.

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The categories of this paper are: mtrl-th
26
The categories of this paper are: bayes-an
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
1
The categories of this paper are: cs
25
The categories of this paper are: patt-sol
28
The categories of this paper are: alg-geom
5
The categories of this paper are: gr-qc
33
The categories of this paper are: plasm-ph
3
The categories of this paper are: physics
16
The categories of this paper are: stat
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The categories of this paper are: supr-con
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The categories of this paper are: q-alg
22
The categories of this paper are: chao-dyn
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The categories of this paper are: cmp-lg
19
The categories of this paper are: eess