Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Unitarization of elastic amplitude on SO_mu(2.1) group   We obtain the solution of the unitarity equation for the elastic processes in
terms of the expansion coefficients of the amplitude as a function on the
SO_mu(2.1) group. This approach is a generalization of the eikonal
representation to the case of small impact parameters and large transverse
momenta. We show how the unitarity relation is modified when the contributions
of the backward scattering are taken into account. We discuss the simplest
models of the profile functions in the following cases: full reflection, full
absorption and the combination of these two cases.

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The categories of this paper are: math-ph
32
The categories of this paper are: atom-ph
30
The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
15
The categories of this paper are: nucl-ex
8
The categories of this paper are: hep-ex
6
The categories of this paper are: astro-ph
7
The categories of this paper are: hep-th
25
The categories of this paper are: patt-sol
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con
11
The categories of this paper are: hep-lat
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The categories of this paper are: nlin
2
The categories of this paper are: math
28
The categories of this paper are: alg-geom
12
The categories of this paper are: nucl-th