Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Suppression of Vertical Oscillation and Observation of Flux Improvement
  during Top-up Injection at PLS-II   This paper reports a start-to-end study of suppression of stored beam
oscillation at PLS-II. We report that the fast counter-kicker implemented in
PLS-II suppressed vertical oscillation of the stored beam. During top-up
injection in the magnetic spectroscopy beamline of PLS-II, the stored beam
oscillation was suppressed by a factor of nine, and flux was improved by a
factor of three.

8
The categories of this paper are: hep-ex
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The categories of this paper are: math-ph
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The categories of this paper are: dg-ga
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The categories of this paper are: econ
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
6
The categories of this paper are: astro-ph
34
The categories of this paper are: chem-ph
0
The categories of this paper are: hep-ph
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The categories of this paper are: cond-mat
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The categories of this paper are: nlin
20
The categories of this paper are: acc-phys
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The categories of this paper are: hep-lat
31
The categories of this paper are: ao-sci
26
The categories of this paper are: bayes-an
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The categories of this paper are: patt-sol