Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Width Effects on Near Threshold Decays of the Top Quark t-> cWW,cZZ and
  of Neutral Higgs Bosons   The nonzero widths of heavy particles become significant when they appear in
the final state of any decay occurring just around its kinematical threshold.
To take into account such effects, a procedure, called the convolution method,
was proposed by Altarelli, Conti and Lubicz. We expand their study which
included only threshold effects for t-> bWZ in the standard model. We discuss
finite width effects in the three body decays t-> cWW,cZZ and A^0(h^0)->tbW in
the type III version of a two Higgs doublet model. In particular, we find a
substantial enhancement in the decay t->cZZ, which brings its branching ratio
to BR(t->cZZ)~10^-3, and in the decay A^0->tbW, which, unlike the h^0 case,
becomes competitive with the A^0 two-body decay modes.

3
The categories of this paper are: physics
9
The categories of this paper are: nlin
7
The categories of this paper are: hep-th
28
The categories of this paper are: alg-geom
20
The categories of this paper are: acc-phys
35
The categories of this paper are: mtrl-th
18
The categories of this paper are: econ
2
The categories of this paper are: math
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
30
The categories of this paper are: q-alg
23
The categories of this paper are: solv-int
33
The categories of this paper are: plasm-ph
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess