Pith. sign in

REVIEW 1 cited by

Alcock-Paczynski Test with Model-independent BAO Data

Not yet reviewed by Pith; the record is open.

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv 1503.05052 v3 pith:6YTFQ7OZ submitted 2015-03-16 astro-ph.CO astro-ph.GAgr-qchep-ph

classification astro-ph.COastro-ph.GAgr-qchep-ph
keywords redshiftalcock-paczynskidatadistortionsdistributionspeaksourcetest
verification ladder T0 review T1 audit T2 compute T3 formal
0 comments
read the original abstract

Cosmological tests based on the statistical analysis of galaxy distributions usually depend on source evolution. An exception is the Alcock-Paczynski (AP) test, which is based on the changing ratio of angular to spatial/redshift size of (presumed) spherically-symmetric source distributions with distance. Intrinsic redshift distortions due to gravitational effects may also have an influence, but they can now be overcome with the inclusion of a sharp feature, such as the Baryonic Acoustic Oscillation (BAO) peak. Redshift distortions affect the amplitude of the peak, but impact its position only negligibly. As we shall show here, the use of this diagnostic, with new BAO peaks from SDSS-III/BOSS at average redshifts <z>=0.38, 0.61 and 2.34, disfavors the current concordance (LCDM) model at 2.3 sigma. Within the context of expanding Friedmann-Robertson-Walker (FRW) cosmologies, these data instead favor the zero active mass equation-of-state, rho+3p=0, where rho and p are, respectively, the total density and pressure of the cosmic fluid, the basis for the R_h=ct universe.

Discussion (0). Continue with ORCID to comment.

Forward citations

Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Comparison of $R_h=ct$ and $\Lambda$CDM using DESI DR1 measurements

    astro-ph.CO 2025-06 conditional novelty 5.0 of 10

    Using DESI DR1 distance measurements, flat LambdaCDM is decisively preferred over R_h=ct, driven almost entirely by the Lyman-alpha data point at redshift 2.33.

Pith tools