Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Double-action dark matter, PAMELA and ATIC   Motivated by a two-bump (or 1-peak plus 1-hump) structure in the ATIC data,
we perform a statistical analysis fitting the PAMELA and ATIC data to a dark
matter model, in which the dark matter particle can undergo both annihilation
and decay. Using a chi-square analysis we show that both data can be
simultaneously fitted better with such a double-action dark matter particle. We
use an existing neutrino mass model in literature to illustrate the idea.

19
The categories of this paper are: eess
3
The categories of this paper are: physics
15
The categories of this paper are: nucl-ex
30
The categories of this paper are: q-alg
35
The categories of this paper are: mtrl-th
16
The categories of this paper are: stat
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an
18
The categories of this paper are: econ
21
The categories of this paper are: adap-org
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
27
The categories of this paper are: comp-gas
12
The categories of this paper are: nucl-th
31
The categories of this paper are: ao-sci
1
The categories of this paper are: cs