Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: An Alternative Design for Large Scale Liquid Scintillator Detectors   The construction of large-scale liquid scintillator detectors is complicated
by the need to separate the scintillation region from photomultiplier tubes
(PMTs) due to their intrinsic radioactivity. This is generally done using
acrylic or nylon barriers, whose own activity can also lead to substantial
reduction of the fiducial detection volume for a number of low energy (MeV)
studies, and whose construction becomes increasingly difficult and expensive
for larger detector volumes. Here we present an initial simulation study of an
alternative geometric construction known as SLIPS (Stratified LIquid Plane
Scintillator), which aims to avoid such physical barriers entirely by instead
using layers of lipophobic liquids to separate PMTs from the scintillation
region.

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The categories of this paper are: hep-th
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The categories of this paper are: mtrl-th
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The categories of this paper are: solv-int
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The categories of this paper are: alg-geom
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The categories of this paper are: bayes-an
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The categories of this paper are: q-alg
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The categories of this paper are: hep-ph
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The categories of this paper are: funct-an
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The categories of this paper are: astro-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: hep-lat
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The categories of this paper are: chem-ph
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The categories of this paper are: stat
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The categories of this paper are: q-fin
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The categories of this paper are: nucl-ex
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The categories of this paper are: supr-con