Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Mirror production for the Cherenkov telescopes of the ASTRI Mini-Array
  and of the MST project for the Cherenkov Telescope Array   The Cherenkov Telescope Array (CTA) is the next ground-based $\gamma$-ray
observatory in the TeV $\gamma$-ray spectral region operating with the Imaging
Atmospheric Cherenkov Technique. It is based on almost 70 telescopes of
different class diameters - LST, MST and SST of 23, 12, and 4 m, respectively -
to be installed in two sites in the two hemispheres (at La Palma, Canary
Islands, and near Paranal, Chile). Several thousands of reflecting mirror tiles
larger than 1 m$^2$ will be produced for realizing the segmented primary
mirrors of a so large number of telescopes. Almost in parallel, the ASTRI
Mini-Array (MA) is being implemented in Tenerife (Canary Islands), composed of
nine 4 m diameter dual-mirror Cherenkov telescopes (very similar to the SSTs).
We completed the mirror production for all nine telescopes of the ASTRI MA and
two MST telescopes (400 segments in total) using the cold glass slumping
replication technology. The results related to the quality achieved with a so
large-scale production are presented, also discussing the adopted testing
methods and approaches. They will be very useful for the adoption and
optimization of the quality assurance process for the huge production (almost
3000 m$^2$ of reflecting surface) of the MST and SST CTA telescopes.

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The categories of this paper are: hep-ph
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The categories of this paper are: eess
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The categories of this paper are: math
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The categories of this paper are: physics
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The categories of this paper are: nucl-th
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The categories of this paper are: math-ph
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The categories of this paper are: hep-ex
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The categories of this paper are: stat
34
The categories of this paper are: chem-ph
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The categories of this paper are: alg-geom
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The categories of this paper are: hep-th
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The categories of this paper are: adap-org
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The categories of this paper are: ao-sci
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The categories of this paper are: cond-mat
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The categories of this paper are: mtrl-th
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The categories of this paper are: cs