Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Nobel Leptons   The 1995 Nobel Prize in Physics is shared equally by the American physicists
Frederick J. Reines and Martin L. Perl for their pioneering experimental
contributions to lepton physics. Following is a brief account of their
discoveries.

5
The categories of this paper are: gr-qc
31
The categories of this paper are: ao-sci
20
The categories of this paper are: acc-phys
14
The categories of this paper are: math-ph
24
The categories of this paper are: dg-ga
25
The categories of this paper are: patt-sol
35
The categories of this paper are: mtrl-th
23
The categories of this paper are: solv-int
1
The categories of this paper are: cs
11
The categories of this paper are: hep-lat
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
15
The categories of this paper are: nucl-ex
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an