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[0903.0950] Absence of anti-correlations and of baryon acou

Posted: March 12 2009
by Mark Wyman
These authors claim there is no evidence for BAO in the galaxy correlation functions they compute using the SDSS DR7. Is there some obvious reason why it would be missing from the way they calculate galaxy correlation functions?

[0903.0950] Absence of anti-correlations and of baryon acou

Posted: March 12 2009
by Anze Slosar
If you look at fig. 3 of

astro-ph/0501171

the data is positive, but consistent with theory at distance 100-200 Mpc. The same is actually also true if you look at Labini et al figure 2, blue points. I am quite confident that Eisenstein knows what he's doing and the data haven't improved that much in the past 3 years...
I haven't read the paper, but I would be surprised they could measure xi at distances >200 Mpc/h with the errorbars they claim! Pink points on their fig2 have errorbars at 300 the same size as errrobars at 80...