Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Muon Oscillations   Muons produced via the $\pi \to \mu \nu_{\mu}$ decay are in a coherent
superposition of energy states because the $\nu_{\mu}$ is not a mass
eigenstate. This presents an opportunity to access neutrino mixing parameters
via muon decay. The oscillation period is long compared to the muon lifetime
which presents some experimental challenges.

6
The categories of this paper are: astro-ph
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The categories of this paper are: eess
20
The categories of this paper are: acc-phys
11
The categories of this paper are: hep-lat
28
The categories of this paper are: alg-geom
29
The categories of this paper are: funct-an
25
The categories of this paper are: patt-sol
2
The categories of this paper are: math
33
The categories of this paper are: plasm-ph
7
The categories of this paper are: hep-th
16
The categories of this paper are: stat
22
The categories of this paper are: chao-dyn
34
The categories of this paper are: chem-ph
3
The categories of this paper are: physics
26
The categories of this paper are: bayes-an
31
The categories of this paper are: ao-sci