Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: NA61/SHINE low energy program at SPS   Status of the new experimental program to study hadron production in
hadron-nucleus and nucleus-nucleus collisions at the CERN SPS will be
presented. A physics motivation will be given for the part of the program
related to the physics of strongly interacting matter. Upgrades of the NA61
experimental set-up and data taking plans will be described in detail.

16
The categories of this paper are: stat
27
The categories of this paper are: comp-gas
5
The categories of this paper are: gr-qc
17
The categories of this paper are: q-fin
19
The categories of this paper are: eess
4
The categories of this paper are: cond-mat
0
The categories of this paper are: hep-ph
3
The categories of this paper are: physics
28
The categories of this paper are: alg-geom
33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
10
The categories of this paper are: q-bio
14
The categories of this paper are: math-ph
25
The categories of this paper are: patt-sol