Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Delta-N Electromagnetic Transition   The EM ratio for a free Delta electromagnetic transition is discussed within
the frame work of nonrelativistic approach. Such an approach gives a good
account of data for a free Delta but is less important for an intrinsically
relativistic nuclear many body problem.

34
The categories of this paper are: chem-ph
2
The categories of this paper are: math
29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
33
The categories of this paper are: plasm-ph
8
The categories of this paper are: hep-ex
13
The categories of this paper are: quant-ph
25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org
10
The categories of this paper are: q-bio
11
The categories of this paper are: hep-lat
18
The categories of this paper are: econ
35
The categories of this paper are: mtrl-th
6
The categories of this paper are: astro-ph
14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas