Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Progress on reactions with exotic nuclei   Modelling breakup reactions with exotic nuclei represents a challenge in
several ways. The CDCC method (continuum discretized coupled channel) has been
very successful in its various applications. Here, we briefly mention a few
developments that have contributed to the progress in this field as well as
some pertinent problems that remain to be answered.

13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
22
The categories of this paper are: chao-dyn
7
The categories of this paper are: hep-th
18
The categories of this paper are: econ
19
The categories of this paper are: eess
25
The categories of this paper are: patt-sol
8
The categories of this paper are: hep-ex
23
The categories of this paper are: solv-int
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The categories of this paper are: q-fin
34
The categories of this paper are: chem-ph
11
The categories of this paper are: hep-lat
4
The categories of this paper are: cond-mat
35
The categories of this paper are: mtrl-th
33
The categories of this paper are: plasm-ph
3
The categories of this paper are: physics