Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Tetraphenyl Butadiene Emanation and Bulk Fluorescence from Wavelength
  Shifting Coatings in Liquid Argon   We study the stability of three types of popularly employed TPB coatings
under immersion in liquid argon. TPB emanation from each coating is quantified
by fluorescence assay of molecular sieve filter material after a prolonged soak
time. Two of the coatings are shown to emanate a detectable concentration of
TPB into argon over a 24 hour period, which corresponds to tens of parts per
billion in argon by mass. In an independent setup, the dissolved or suspended
TPB is shown to produce a wavelength shifting effect in the argon bulk.
Interpretations of these results and implications for present and future liquid
argon time projection chamber experiments are discussed.

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The categories of this paper are: q-fin
2
The categories of this paper are: math
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The categories of this paper are: eess
24
The categories of this paper are: dg-ga
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
36
The categories of this paper are: cmp-lg
8
The categories of this paper are: hep-ex
25
The categories of this paper are: patt-sol
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The categories of this paper are: alg-geom
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The categories of this paper are: solv-int
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The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
1
The categories of this paper are: cs
27
The categories of this paper are: comp-gas
32
The categories of this paper are: atom-ph