Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Relativistic mean field study of the newly discovered $\alpha$-decay
  chain of $^{287}$115   The single particle structure of the low lying levels in the nuclei belonging
to the newly observed $\alpha$-decay chain starting from $^{287}$115 has been
studied. Relativistic mean field calculation with two forces NL1 and NL3 has
been performed in the blocked BCS approximation. Q-values for possible decay
have been calculated and compared with experiment. Lifetime estimates obtained
from phenomenological relations have also been compared.

31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
36
The categories of this paper are: cmp-lg
23
The categories of this paper are: solv-int
37
The categories of this paper are: supr-con
14
The categories of this paper are: math-ph
0
The categories of this paper are: hep-ph
25
The categories of this paper are: patt-sol
5
The categories of this paper are: gr-qc
15
The categories of this paper are: nucl-ex
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The categories of this paper are: q-alg
34
The categories of this paper are: chem-ph
20
The categories of this paper are: acc-phys
26
The categories of this paper are: bayes-an
27
The categories of this paper are: comp-gas
3
The categories of this paper are: physics