Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: X-ray Temperatures for the EMSS High Redshift Cluster Sample:
  Constraints on Cosmology and the Dark Energy Equation of State   We measure the X-ray temperature (and luminosity) with ASCA of all but one
cluster in the Einstein Extended Medium Sensitivity Survey (EMSS) high redshift
(z > 0.3) sample. We compare these data to a complete sample of low redshift
clusters that also has temperature measurements, thereby providing cosmological
constraints. We incorporate many improvements over our previous work. We find
an allowed band in the Omega_{m0} - Omega_{Lambda0} plane of different
orientation to the band of constraints provided by the supernovae Ia Hubble
diagram and the cosmic microwave background fluctuations. All three bands
intersect at the same place: Omega_{m0} ~ 0.3, Omega_{Lambda0} ~ 0.7. We
measure the quintessence equation of state parameter to be w = -(0.42 pm 0.21)
(68% confidence for 1 interesting parameter), consistent with previously
determined upper limits. We measure the normalization of the mass fluctuation
power spectrum to be sigms_8 = 0.66 pm 0.16 (68% confidence for 3 interesting
parameters). Systematic errors are larger than the statistical errors only for
sigma_8 with our sample, thus the errors for it depends on the details of the
marginalization over the temperature - mass normalization.

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The categories of this paper are: mtrl-th
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The categories of this paper are: comp-gas
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The categories of this paper are: nlin
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The categories of this paper are: hep-lat
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The categories of this paper are: alg-geom
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The categories of this paper are: hep-ph
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The categories of this paper are: nucl-ex
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The categories of this paper are: math-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: bayes-an
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The categories of this paper are: hep-th
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The categories of this paper are: q-alg
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The categories of this paper are: cond-mat
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The categories of this paper are: adap-org
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The categories of this paper are: acc-phys