Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Collimator R&D   The importance of collimator R&D with test beam facilities is demonstrated
with the example of ILC collimator studies at SLAC End Station A. Related LHC
collimator aspects and longer term plans are addressed.

19
The categories of this paper are: eess
18
The categories of this paper are: econ
8
The categories of this paper are: hep-ex
12
The categories of this paper are: nucl-th
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
7
The categories of this paper are: hep-th
37
The categories of this paper are: supr-con
28
The categories of this paper are: alg-geom
24
The categories of this paper are: dg-ga
6
The categories of this paper are: astro-ph
21
The categories of this paper are: adap-org
10
The categories of this paper are: q-bio
16
The categories of this paper are: stat
20
The categories of this paper are: acc-phys
14
The categories of this paper are: math-ph