Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Two-proton radioactivity within a generalized liquid drop model   The generalized liquid drop model (GLDM) is firstly extended to study the
two-proton ($2p$) radioactivity half-lives of the ground-state of nuclei.
According to the comparison between the calculated half-lives and the
experimental data, it is shown that the GLDM describes the $2p$ radioactivity
half-lives well. In addition, by comparing its accuracy with other models, it
is found that the GLDM has a comparable accuracy with them. Finally, the $2p$
radioactivity half-lives of some most probable candidates are predicted with
the GLDM by inputting the \textit{Q}$_{2p}$ values (the released energy of the
$2p$ radioactivity) from the updated AME 2016 Mass Table, which may be useful
for future experiments.

20
The categories of this paper are: acc-phys
23
The categories of this paper are: solv-int
24
The categories of this paper are: dg-ga
15
The categories of this paper are: nucl-ex
4
The categories of this paper are: cond-mat
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
6
The categories of this paper are: astro-ph
9
The categories of this paper are: nlin
2
The categories of this paper are: math
5
The categories of this paper are: gr-qc
36
The categories of this paper are: cmp-lg
19
The categories of this paper are: eess
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
28
The categories of this paper are: alg-geom