Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: About the decay of the $\Lambda$ in a nucleus   A few aspects of the $\Lambda$ mesonic and non-mesonic decay in nuclei are
shortly addressed.

35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
11
The categories of this paper are: hep-lat
31
The categories of this paper are: ao-sci
22
The categories of this paper are: chao-dyn
23
The categories of this paper are: solv-int
30
The categories of this paper are: q-alg
14
The categories of this paper are: math-ph
2
The categories of this paper are: math
15
The categories of this paper are: nucl-ex