Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Sum rule study for Double Gamow-Teller states   We study the sum rules of double Gamow-Teller (DGT) excitations through
double spin-isospin operator $(\sigma t_-)^2$. In general, $2^+$ states in the
granddaughter nuclei have dominant transition strength in DGT excitations and
$0^+$ states are weak, except in $T=1$ mother nuclei in which $0^+$ strength is
competitive with 2$^+$ strength. The isospin selection of DGT is also discussed
among 5 possible isospin states in granddaughter nuclei. A possibility to
extract the unit cross section for the DGT transition strength is pointed out
in the $(\sigma t_-)^2$ excitation of double isobaric analog state (DIAS) in
$T=1$ nuclei.

15
The categories of this paper are: nucl-ex
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The categories of this paper are: cs
36
The categories of this paper are: cmp-lg
29
The categories of this paper are: funct-an
2
The categories of this paper are: math
3
The categories of this paper are: physics
32
The categories of this paper are: atom-ph
30
The categories of this paper are: q-alg
28
The categories of this paper are: alg-geom
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The categories of this paper are: q-fin
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The categories of this paper are: q-bio
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The categories of this paper are: eess
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The categories of this paper are: chao-dyn
18
The categories of this paper are: econ
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The categories of this paper are: bayes-an
34
The categories of this paper are: chem-ph