Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Band-dependent Quasiparticle Dynamics in Single Crystals of the
  Ba$_{0.6}$K$_{0.4}$Fe$_2$As$_2$ Superconductor Revealed by Pump-Probe
  Spectroscopy
22
The categories of this paper are: chao-dyn
33
The categories of this paper are: plasm-ph
10
The categories of this paper are: q-bio
25
The categories of this paper are: patt-sol
27
The categories of this paper are: comp-gas
3
The categories of this paper are: physics
20
The categories of this paper are: acc-phys
21
The categories of this paper are: adap-org
29
The categories of this paper are: funct-an
35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
17
The categories of this paper are: q-fin
11
The categories of this paper are: hep-lat
5
The categories of this paper are: gr-qc
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an