"Three-year Wilkinson Microwave Anisotropy Probe
(WMAP) observations: Implications for cosmology," by D.N.
Spergel and 21 others, Astrophysical Journal Supplement Series,
170(2): 377-408, June 2007.
[Authors' affiliations: 13 U.S. and Canadian institutions]
From the abstract: "A simple cosmological model with only
six parameters (matter density, Omega(m)h(2), baryon density, Omega(b)h(2),
Hubble constant, H-0, amplitude of fluctuations, sigma(8), optical depth,
tau, and a slope for the scalar perturbation spectrum, n(s)) fits not only
the 3 year WMAP temperature and polarization data, but also small-scale CMB
data, light element abundances, large-scale structure observations, and the
supernova luminosity/distance relationship. Using WMAP data only, the
best-fit values for cosmological parameters for the power-law flat Lambda
cold dark matter (Lambda CDM) model are (Omega(m)h(2), Omega(b)h(2), h,
n(s), tau, sigma(s)) = (0.1277(-0.0079)(+0.0080), 0.02229 +/- 0.00073,
0.732(-0.032)(+0.031), 0.958 +/- 0.016,0.089 +/- 0.030,
0.761(-0.048)(+0.049)). The 3 year data dramatically shrink the allowed
volume in this six-dimensional parameter space. Assuming that the
primordial fluctuations are adiabatic with a power-law spectrum, the WMAP
data alone require dark matter and favor a spectral index that is
significantly less than the Harrison-Zel'dovich-Peebles scale-invariant
spectrum ( n(s) = 1, r = 0)....Even if we do not include the prior that the
universe is flat, by combining WMAP, large-scale structure, and supernova
data, we can still put a strong constraint on the dark energy equation of
state, w = -1.08 +/- 0.12. For a flat universe, the combination of WMAP and
other astronomical data yield a constraint on the sum of the neutrino
masses, Sigma m(nu) < 0.66 eV (95%CL). Consistent with the predictions
of simple inflationary theories, we detect no significant deviations from
Gaussianity in the CMB maps using Minkowski functionals, the bispectrum,
trispectrum, and a new statistic designed to detect large-scale
anisotropies in the fluctuations."
This 2007 report from Astrophysical Journal Supplement Series was
cited 123 times in current journal articles
indexed by Clarivate during March-April 2009. With its latest
two-month tally, the paper now marks its tenth(!) consecutive bimonthly
period as the most-cited physics paper published in the last two years,
excluding reviews. Indeed, it seems likely that the paper will ultimately
exceed the two-year age limit for Hot Papers eligibility and will be
"retired" from future coverage before it slips from the top rung due a dip
in citations. Prior to the most recent tally, citations to the paper have
accrued as follows:
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