Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A Two-point Diagnostic for the HII Galaxy Hubble Diagram   A previous analysis of starburst-dominated HII Galaxies and HII regions has
demonstrated a statistically significant preference for the
Friedmann-Robertson-Walker cosmology with zero active mass, known as the R_h=ct
universe, over LCDM and its related dark-matter parametrizations. In this
paper, we employ a 2-point diagnostic with these data to present a
complementary statistical comparison of R_h=ct with Planck LCDM. Our 2-point
diagnostic compares---in a pairwise fashion---the difference between the
distance modulus measured at two redshifts with that predicted by each
cosmology. Our results support the conclusion drawn by a previous comparative
analysis demonstrating that R_h=ct is statistically preferred over Planck LCDM.
But we also find that the reported errors in the HII measurements may not be
purely Gaussian, perhaps due to a partial contamination by non-Gaussian
systematic effects. The use of HII Galaxies and HII regions as standard candles
may be improved even further with a better handling of the systematics in these
sources.

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The categories of this paper are: chem-ph
8
The categories of this paper are: hep-ex
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
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The categories of this paper are: atom-ph
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The categories of this paper are: comp-gas
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The categories of this paper are: dg-ga
3
The categories of this paper are: physics
30
The categories of this paper are: q-alg
26
The categories of this paper are: bayes-an
12
The categories of this paper are: nucl-th
7
The categories of this paper are: hep-th
1
The categories of this paper are: cs
15
The categories of this paper are: nucl-ex
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The categories of this paper are: solv-int
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The categories of this paper are: acc-phys