Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Vertical mass hierarchy in the case study of a hybrid model   We study a hybrid model in which the Technicolor and fundamental heavy
scalars live together. We concern extreme case, where electroweak symmetry
breaking (EWSB) comes almost entirely from the strong dynamics of Technicolor,
but the masses of the light fermions, e.g. leptons arises due to the weakly
interacting scalars with one universal Yukawa interaction. We have found that
SU(2) scalar two doublets, which are private but universal for each generation,
offer a natural explanation of the vertical mass hierarchy. There is no large
Yukawa coupling in the theory and the scalar masses are expected to be quite
universal and large. The lepton mass hierarchy arises radiatively from the
quark mass hierarchy, which is affected by the scalar sector as well. Lepton
and down quark masses are calculated in a simplified case of neglected mixing.

2
The categories of this paper are: math
36
The categories of this paper are: cmp-lg
5
The categories of this paper are: gr-qc
27
The categories of this paper are: comp-gas
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The categories of this paper are: math-ph
23
The categories of this paper are: solv-int
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The categories of this paper are: hep-lat
26
The categories of this paper are: bayes-an
24
The categories of this paper are: dg-ga
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The categories of this paper are: q-fin
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The categories of this paper are: atom-ph
15
The categories of this paper are: nucl-ex
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The categories of this paper are: nlin
35
The categories of this paper are: mtrl-th
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an