Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: First-forbidden $\mathbf{\beta}$-decay rates, energy rates of
  $\beta$-delayed neutrons and probability of $\beta$-delayed neutron emissions
  for neutron-rich nickel isotopes
28
The categories of this paper are: alg-geom
22
The categories of this paper are: chao-dyn
11
The categories of this paper are: hep-lat
0
The categories of this paper are: hep-ph
18
The categories of this paper are: econ
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
6
The categories of this paper are: astro-ph
16
The categories of this paper are: stat
10
The categories of this paper are: q-bio
20
The categories of this paper are: acc-phys
36
The categories of this paper are: cmp-lg
34
The categories of this paper are: chem-ph
3
The categories of this paper are: physics
17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol