Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Two-Photon Physics at RHIC: Separating Signals from Backgrounds   This presentation will show the feasibility of studying two-photon
interactions in the STAR experiment at RHIC. Signals, detection efficiencies,
backgrounds, triggering and analysis techniques will be discussed.

4
The categories of this paper are: cond-mat
25
The categories of this paper are: patt-sol
30
The categories of this paper are: q-alg
24
The categories of this paper are: dg-ga
9
The categories of this paper are: nlin
10
The categories of this paper are: q-bio
35
The categories of this paper are: mtrl-th
3
The categories of this paper are: physics
2
The categories of this paper are: math
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
23
The categories of this paper are: solv-int
12
The categories of this paper are: nucl-th
17
The categories of this paper are: q-fin
0
The categories of this paper are: hep-ph
16
The categories of this paper are: stat