Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Rare B-Meson Decays   Rare decays of the B-meson that arise due to loop-mediated FCNC transitions
are known to provide important constraints on beyond-SM theories. Basic
properties of several such decays are reviewed here.

2
The categories of this paper are: math
10
The categories of this paper are: q-bio
33
The categories of this paper are: plasm-ph
29
The categories of this paper are: funct-an
5
The categories of this paper are: gr-qc
12
The categories of this paper are: nucl-th
22
The categories of this paper are: chao-dyn
3
The categories of this paper are: physics
25
The categories of this paper are: patt-sol
14
The categories of this paper are: math-ph
36
The categories of this paper are: cmp-lg
9
The categories of this paper are: nlin
30
The categories of this paper are: q-alg
19
The categories of this paper are: eess
11
The categories of this paper are: hep-lat
6
The categories of this paper are: astro-ph